CN110473060B - B2B agricultural product trading system - Google Patents

B2B agricultural product trading system Download PDF

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CN110473060B
CN110473060B CN201910709614.XA CN201910709614A CN110473060B CN 110473060 B CN110473060 B CN 110473060B CN 201910709614 A CN201910709614 A CN 201910709614A CN 110473060 B CN110473060 B CN 110473060B
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agricultural product
agricultural
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CN110473060A (en
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龙正飞
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Fengning Manchu Autonomous County aibang Trading Co.,Ltd.
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Fengning Manchu Autonomous County Aibang Trading Co ltd
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q10/00—Administration; Management
    • G06Q10/06—Resources, workflows, human or project management; Enterprise or organisation planning; Enterprise or organisation modelling
    • G06Q10/063—Operations research, analysis or management
    • G06Q10/0639—Performance analysis of employees; Performance analysis of enterprise or organisation operations
    • G06Q10/06395—Quality analysis or management
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/02—Marketing; Price estimation or determination; Fundraising
    • G06Q30/0278—Product appraisal
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]
    • G06Q30/0603—Catalogue ordering
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q30/00—Commerce
    • G06Q30/06—Buying, selling or leasing transactions
    • G06Q30/0601—Electronic shopping [e-shopping]
    • G06Q30/0639—Item locations
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q40/00—Finance; Insurance; Tax strategies; Processing of corporate or income taxes
    • G06Q40/04—Trading; Exchange, e.g. stocks, commodities, derivatives or currency exchange
    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06Q—INFORMATION AND COMMUNICATION TECHNOLOGY [ICT] SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES; SYSTEMS OR METHODS SPECIALLY ADAPTED FOR ADMINISTRATIVE, COMMERCIAL, FINANCIAL, MANAGERIAL OR SUPERVISORY PURPOSES, NOT OTHERWISE PROVIDED FOR
    • G06Q50/00—Systems or methods specially adapted for specific business sectors, e.g. utilities or tourism
    • G06Q50/02—Agriculture; Fishing; Mining
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L67/00—Network arrangements or protocols for supporting network services or applications
    • H04L67/50—Network services
    • H04L67/55—Push-based network services

Abstract

The invention provides a novel B2B agricultural product trading system, which comprises: the agricultural terminal is used for issuing first agricultural product information to the first trading platform; the management terminal is used for purchasing a required second agricultural product from a first agricultural product corresponding to the first agricultural product information and issued by the farmer terminal, uploading the second agricultural product information to a second transaction platform, issuing the second agricultural product to a corresponding merchant terminal and managing the merchant of the merchant terminal; the server is used for recording purchase transaction information of a first agricultural product between the management terminal and the farmer terminal, determining the geographical position of the farmer terminal according to the purchase transaction information and determining the geographical position of the management terminal; meanwhile, logistics corresponding to the recorded purchase transaction information are obtained, real-time monitoring is carried out on the logistics, and meanwhile the corresponding real-time monitoring information is transmitted to a management end; and the consumer terminal is used for purchasing pre-purchased agricultural products in the second agricultural products based on the second transaction platform. The method can effectively manage the commercial tenant at the commercial tenant end.

Description

B2B agricultural product trading system
Technical Field
The invention relates to the technical field of network transaction, in particular to a novel B2B agricultural product transaction system.
Background
As is well known, the farmer market is a very important part of modern urban economy and is also an important place for the exchange of agricultural by-products and retail products in cities and villages. The term "small vegetable field, big folk. The farmer market can be said to be the survival of thousands of households in the customs and the majority of the national livelihood.
However, the farmer market has some problems, because the farmer market operators are numerous, the feed channels are wide and complicated, the feed quantity, the cost and the sales volume are only clear by the operators, and partial road vegetable fields, mobile vendors and the like exist, the market management is disordered, and the difficulty of the farmer market management is increased.
Disclosure of Invention
The invention provides a novel B2B agricultural product transaction system which is used for managing merchants of a merchant end according to a management end and can effectively reduce management difficulty.
The embodiment of the invention provides a novel B2B agricultural product transaction system, which comprises:
the agricultural terminal is used for issuing first agricultural product information to the first trading platform;
the management terminal is used for purchasing a required second agricultural product from a first agricultural product corresponding to the first agricultural product information and issued by the customer premises based on the first trading platform, uploading second agricultural product information corresponding to the purchased second agricultural product to a second trading platform, issuing the second agricultural product corresponding to the second agricultural product information to a corresponding merchant terminal, and managing merchants of the customer premises;
wherein the second agricultural product information comprises: a price for the second agricultural product for sale;
the server is used for recording purchase transaction information of the first agricultural product between the management terminal and the agricultural terminal, determining the geographical position of the agricultural terminal for issuing the first agricultural product information to a first transaction platform according to the purchase transaction information, and determining the geographical position of the management terminal for purchasing the corresponding first agricultural product;
meanwhile, the logistics corresponding to the recorded purchase transaction information is obtained, real-time monitoring is carried out on the logistics, and meanwhile, the corresponding real-time monitoring information is transmitted to the management end;
and the consumption end is used for purchasing pre-purchased agricultural products in the second agricultural products from merchants of the merchant end corresponding to the second agricultural products and managed by the management end based on the second transaction platform.
In one possible way of realisation,
the consumption end is also used for placing orders and purchasing pre-purchased agricultural products on a third transaction platform;
the management terminal is used for recording consumer transaction information of purchasing agricultural products related to the pre-purchased agricultural products by the consumption terminal on the third transaction platform based on the server and storing the consumer transaction information into a corresponding historical transaction database;
the system, still include:
the distribution end is used for acquiring order placing information related to purchase of pre-purchased agricultural products by the consumption end on a transaction platform based on the server, displaying the order placing information to a user of the distribution end, enabling the user of the distribution end to purchase the pre-purchased agricultural products corresponding to the order placing information from the merchant end and distribute the pre-purchased agricultural products to the consumption end, and conducting transaction payment corresponding to the order placing information to the merchant end;
the distribution terminal is further configured to send purchase behavior information of a user of the distribution terminal purchasing a pre-purchased agricultural product corresponding to the order placing information from the merchant terminal, transaction payment information of a transaction payment corresponding to the order placing information from the distribution terminal to the merchant terminal, and order distribution information of the user of the distribution terminal distributing the pre-purchased agricultural product corresponding to the order placing information to the consumer terminal as historical transaction information of the distribution terminal to the management terminal and the server for storage, and the management terminal and the server store the historical transaction information of the distribution terminal into corresponding historical transaction databases;
the server is further used for monitoring the order distribution information and transmitting the order distribution information to a third trading platform for a consumer at the consumer end to check;
the management terminal is also used for carrying out transfer operation to a collection account of the distribution terminal based on the historical transaction database according to a preset settlement rule;
the consumer side or the distribution side can be both the distribution side, or both the consumer side and the distribution side are both the consumer side, that is, the consumer side and the distribution side are the same purchasing entity. .
In one possible way of realisation,
and the server is also used for storing a market database related to the first agricultural product, calculating the price to be sold by acquiring the historical trading price of the second agricultural product purchased by the user of the distribution end and the buying price of the management end corresponding to the purchase transaction information of the first agricultural product between the management end and the agricultural end, and pushing the price to be sold to the management end.
In one possible implementation manner, the method further includes:
the response module is used for responding to a confirmation result corresponding to the price to be sold of the pre-purchased agricultural product in the transaction when the user of the distribution end purchases the pre-purchased agricultural product in the second agricultural product, generating transaction data and uploading the transaction data to the server;
the server is further used for pushing the transaction data uploaded by the response module to the corresponding merchant terminal of the second transaction platform;
the merchant side is used for scanning the transaction data pushed by the server to obtain a scanning result of the corresponding transaction data, and the transaction is finished;
the transaction data can be any one or more of transaction two-dimensional codes or bank card swiping data.
In a possible implementation manner, a camera and a weighing module are arranged in a merchant corresponding to the merchant end,
the camera is used for shooting the pre-purchased agricultural products acquired by the user at the distribution end to obtain an agricultural product image;
the weighing module is used for weighing the weight of the pre-purchased agricultural products acquired by the user at the dispensing end;
the server is further used for storing an agricultural product image database and judging and analyzing the type of the agricultural product of the pre-purchased agricultural product according to the agricultural product image obtained by the camera;
meanwhile, based on a product weight grade table stored in advance and related to the pre-purchased agricultural products, and according to the weight of the pre-purchased agricultural products weighed by the weighing module and the judged product type of the pre-purchased agricultural products, determining the selling price of the pre-purchased agricultural products of the product type under the weight weighed by the weighing module; and pushing the selling price to the weighing module;
the weighing module is further used for calculating a total selling price corresponding to the pre-purchased agricultural products according to the determined selling price of the pre-purchased agricultural products of the product type under the weight weighed by the weighing module and the corresponding weight of the pre-purchased agricultural products.
In one possible way of realisation,
the server is further used for generating corresponding payment data when the total selling price corresponding to the pre-purchased agricultural products calculated by the weighing module is reached, and transmitting the payment data to the merchant terminal;
the user of the distribution end carries out payment by scanning the payment data, or carries out payment by any non-cash transaction mode such as a deposit card, a credit card and the like based on a bank service system;
wherein the payment data can be any one or more of transaction two-dimensional codes or bank card swiping data.
In one possible way of realisation,
the management terminal is further used for an administrator to submit and upload merchant information related to the merchant terminal, and the merchant information includes: the type of the agricultural product sold by the merchant, the unit price corresponding to the type of the agricultural product sold by the merchant, and the geographical position of the agricultural product sold by the merchant;
the consumption end is used for acquiring search information input by a consumer and transmitting the search information to the server;
the server is used for acquiring a target merchant related to the search information based on the agricultural product database and according to the search information acquired by the consumption end, and transmitting the target merchant to a second transaction platform;
the second transaction platform is used for pushing the target merchant to the consumption end, wherein the pushed target merchant is a preset area set by the consumer based on the consumption end, and all merchants related to the search information are included in the preset area;
and the consumption end is used for outputting the target merchant pushed by the second transaction platform, so that the consumer can select the desired merchant to place an order.
In one possible way of realisation,
the consumer is further configured to, when the consumer selects a desired merchant according to the pushed target merchant, select the priority ranking order of the merchants on the selection interface on the corresponding selection interface, and transmit the selection result to the server;
the server is further used for carrying out priority sequencing on all target merchants in a preset area corresponding to the target merchants according to the selection result transmitted by the consumption end to form a related priority interface;
and the consumption end is used for outputting a priority interface formed by the server, so that the consumer can select a needed merchant on the priority interface.
In one possible implementation manner, the method further includes:
the detection module is used for detecting the first agricultural product of the agricultural terminal and determining the pesticide concentration of the first agricultural product;
the control module is used for acquiring the pesticide concentration of the first agricultural product detected by the detection module, judging whether the detected pesticide concentration is equal to or larger than a preset concentration, and if so, sending a warning instruction to the reminding module;
and the reminding module is used for executing corresponding warning operation according to the warning instruction sent by the control module.
In one possible way of realisation,
the specific steps of determining the price for sale of the second agricultural commodity are as follows:
firstly, dividing all agricultural products into a big fruit type, a small fruit type and a mixed fruit type according to weight change, wherein the big fruit type is more popular when the single weight of the agricultural products is larger, the small fruit type is more popular when the single weight of the agricultural products is smaller, and the mixed fruit type is that the single weight of the agricultural products is not related to the popularity degree;
simultaneously dividing all agricultural products into a good water type, a hydrophobic type and a water-independent type according to weather relations, wherein the agricultural products are less popular when the weather is better in the good water type, the agricultural products are more popular when the weather is better in the hydrophobic type, and the agricultural products are less popular when the weather is better in the hydrophobic type, and the water-independent type is that the popularity degree of the agricultural products is independent of the weather;
randomly extracting 20 products from the second agricultural product, respectively obtaining the weights of the 20 products to form a vector A, and calculating an adjusting factor by using a formula (1) of the vector A:
Figure BDA0002152539750000061
Figure BDA0002152539750000062
wherein S1 is an intermediate parameter, AiIs the ith value of vector A, max (A) is the maximum value of vector A, AjThe jth value of vector a, S is the adjustment factor,
Figure BDA0002152539750000063
in the historical trading information of the second agricultural product, the average weight of the single agricultural product of the second agricultural product, i is 1, 2, 3 … … 20, j is 1, 2, 3 … … 20;
determining an adjustment coefficient by using the formula (2);
Figure BDA0002152539750000064
Figure BDA0002152539750000065
wherein ρ is an adjustment coefficient, tq is a weather index value of the current day forecasted by the weather forecast, tq (-1) is a weather index value of the previous day forecasted by the weather forecast, tq (1) is a weather index value of the next day forecasted by the weather forecast, and when the second agricultural product is a hydrophobic agricultural product, the adjustment coefficient ρ is the adjustment coefficient tq, tq (-1) is a weather index value of the previous day forecasted by the weather forecast, tq (1) is a weather index value of the next day forecasted by the weather forecast, and when the second agricultural product is a hydrophobic agricultural product, the adjustment coefficient tq is the adjustment coefficient tq, and when the second agricultural product is a hydrophobic agricultural product, the adjustment coefficient ρ is the adjustment coefficient tq, and when the second agricultural product is a hydrophobic agricultural product, the adjustment coefficient tq is the adjustment coefficient tq in the formula (2) is used
Figure BDA0002152539750000066
Calculating, when the second agricultural product is a good water type agricultural product, using the following formula (2)
Figure BDA0002152539750000067
Calculating, when the second agricultural product is water-independent, ρ ═ S;
meanwhile, the transaction system further includes: the agricultural product quality detection module is used for detecting the quality of the agricultural product, and the specific detection steps are as follows:
the agricultural product quality detection module comprises a corresponding detection database for each agricultural product in all agricultural products, P agricultural products with different qualities are recorded in the detection database, each record comprises numerical values corresponding to N indexes of the agricultural product under different qualities to form a matrix B, the matrix B comprises P rows and N columns, each row corresponds to one record, the quality score of the agricultural product recorded by the record is marked, and the record is graded according to a percentage;
obtaining numerical values corresponding to the N indexes of the second agricultural product, adding the numerical values to a first row of a matrix B corresponding to the agricultural product to form a matrix M with P +1 rows and N columns, and performing matrix regularization on the matrix M by using a formula (3) to form a regularized matrix GM;
Figure BDA0002152539750000071
wherein, GMi,t is the value of t column on the ith row of the matrix GM, Mi,tIs the value of the ith row t column of the matrix M, Mj,tMAX () is the maximum value in parentheses for the value of j row and t column of the matrix M, i ═ 1, 2, 3 … … P +1, j ═ 1, 2, 3 … … P +1, t ═ i ═ 1, 2, 3 … … N;
then determining the optimal score by using a formula (4);
Figure BDA0002152539750000072
wherein, FjIs a stand forThe best score of the jth record in the detection database, q and z representing index values used to label the q-th or z-th column value of a row of the matrix, e.g. GMj+1,zA value representing z columns in row +1 of the matrix j, j being 1, 2, 3 … … P, z being 1, 2, 3 … … N, q being 1, 2, 3 … … N;
acquiring the optimal scores of all records in the detection database, wherein the optimal score is the quality score of the agricultural product marked by the record corresponding to the maximum value, and the quality score is the quality score of the second agricultural product;
determining a price for the second agricultural product using equation (5);
Figure BDA0002152539750000081
Figure BDA0002152539750000082
Figure BDA0002152539750000083
wherein rt is a final sale price of a second agricultural product, D1 is an average price of a first agricultural product corresponding to the second agricultural product, LS is an average value of a historical price of the second agricultural product, D2 is an average value of a price when the second agricultural product is purchased in advance in the consumer terminal, PZ is a quality score of the second agricultural product, and when the second agricultural product is of a mixed fruit type, the method utilizes
Figure BDA0002152539750000084
Calculating, when the second agricultural product is big fruit type, utilizing
Figure BDA0002152539750000085
Calculating, when the second agricultural product is small fruit type, utilizing
Figure BDA0002152539750000086
The calculation is carried out according to the calculation,the obtained price is the price for selling the second agricultural product;
in the agricultural product transaction system,
the management terminal is also used for receiving the first agricultural product information uploaded by the agricultural end;
when the agricultural user transmits data related to the first agricultural product information to the management terminal, in order to improve the security of data transmission, the transmitted data needs to be encrypted, wherein the specific steps are as shown in S1-S6:
step S1, the agricultural user end carries out binary transcoding on the data to be transmitted;
step S2, the peasant subscriber side cuts the transcoded binary value once according to every Q2 bytes randomly, so as to form P2 pieces of data, each piece of data contains 8 × Q2 bit values, and S1 values composed of 0 or 1 are added randomly behind each piece of data, so that a matrix B2 of P2 rows and 8 × Q2+ S1 columns can be formed;
step S3, the farmer side extracts the secret key of the matrix B2 and removes the data, and the concrete steps are shown as S301 and S302;
step S301, constructing a data matrix Y2 at the rural home, wherein the initial value of the matrix Y2 is a matrix B2, and meanwhile, constructing a key vector M2, and the initial value of the M2 is Q2;
s302, refreshing a key vector M2 by the farmer side by using a formula (6);
CF＝sum(Y21)
if CF＝1 then K2＝1,T2＝[1,0]
else if CF＝0 then K2＝1,T2＝[0,0]
else if Y21≠Y22 then K2＝1,T2＝[0,1]
else K2＝0,T2＝[]
M2＝[M2,T2]
(6)
wherein CF, T2 is the intermediate parameter, sum is the sum, Y21For the values in the first column of the matrix Y2, if … the … is to determine if a condition between if and then is satisfied, if the condition is satisfied then the subsequent calculations are run, if not, thenRunning the runs after the else of the next row, Y21≠Y22For the first column of all rows of the matrix Y2 having no value equal to the second column, [ M2, T2]To add the value of T2 to the back of the vector M2, T2 ═ 2 [, ]]If T2 is a null vector and K2 is a decision function, if K2 is equal to 0, step S4 is performed, if K2 is equal to 1, the value of the first column of the matrix Y2 is removed, and then step S302 is repeated with the matrix Y2 from which the 1 st column is removed;
step S4, the farmer side firstly transmits a key vector M2 to the management side, when the management side receives the key vector M2, the management side sends a confirmation receiving message to the farmer side, and the farmer side sends the matrix Y2 after all information needing to be removed is finally removed to the management side after receiving the confirmation message;
step S5, the management terminal judges whether the number of the elements of the M2 is 1, if yes, the step S6 is operated, otherwise, the last two values of the vector M2 are extracted to form a vector M1, meanwhile, the vector M2 is removed from the last two values to form a new vector M2, and the Y2 is decrypted by using a formula (7);
Figure BDA0002152539750000091
wherein, [1, Y2]To prepend the matrix Y2 with a list of all 1 values, [0, Y2]To prepend the matrix Y2 with a list of all 0 values, [1-Y2 [ ]1,Y2]To prepend a column to matrix Y2, all values are 1-Y21Updating the matrix Y2 using the formula while repeating step S5;
step S6, extracting the value Q2 of the first element of the M2, thereby extracting the first Q2 × 8 values of each row of the matrix Y2, and forming a string of binary machine codes by all the values according to the row order, restoring the binary machine codes to data, wherein the restored data is decoded data, that is, data related to the first agricultural product information
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention will be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings.
The technical solution of the present invention is further described in detail by the accompanying drawings and embodiments.
Drawings
The accompanying drawings, which are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate embodiments of the invention and together with the description serve to explain the principles of the invention and not to limit the invention. In the drawings:
fig. 1 is a schematic structural diagram of a novel B2B agricultural product transaction system according to an embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described in conjunction with the accompanying drawings, and it will be understood that they are described herein for the purpose of illustration and explanation and not limitation.
The embodiment of the invention provides a novel B2B agricultural product trading system, as shown in FIG. 1, comprising:
the agricultural end 11 is used for issuing first agricultural product information to the first trading platform 12;
the management terminal 13 is configured to purchase a required second agricultural product from a first agricultural product corresponding to the first agricultural product information and issued by the farmer terminal 11 based on the first transaction platform 12, upload second agricultural product information corresponding to the purchased second agricultural product to the second transaction platform 14, issue the second agricultural product corresponding to the second agricultural product information to the corresponding merchant terminal 15, and manage the merchant of the merchant terminal 15;
wherein the second agricultural product information includes: a price for the second agricultural product for sale;
the server 16 is used for recording purchase transaction information of the first agricultural product between the management terminal 13 and the farmer terminal 11, determining the geographical position of the farmer terminal 11 which issues the first agricultural product information to the first transaction platform 12 according to the purchase transaction information, and determining the geographical position of the management terminal 13 which purchases the corresponding first agricultural product;
meanwhile, the logistics corresponding to the recorded purchase transaction information is acquired, real-time monitoring is carried out on the logistics, and meanwhile, the corresponding real-time monitoring information is transmitted to the management end 13;
and the consumption end 17 is used for purchasing pre-purchased agricultural products in the second agricultural products from the merchants of the merchant end 15 corresponding to the second agricultural products managed by the management end 13 based on the second transaction platform 14.
The agricultural user terminal, the management terminal, the business user terminal or the consumption terminal comprise but are not limited to a mobile phone, a notebook, a PC and the like; the first transaction platform or the second transaction platform is carried on the basis of a PC (personal computer) end, a WAP (wireless application protocol) end, a WeChat end, an APP end, a merchant edition App and a store APP.
The first agricultural product information includes: the type of the first agricultural product and the selling price corresponding to the type of the first agricultural product; wherein the first agricultural product is comprised of a plurality of different types of agricultural products;
the selling price corresponding to the type of the first agricultural product can be the goods entering price of the management end, and the selling price of the second agricultural product can be the selling price of the management end;
and the sale price may be a unit price of the agricultural product per kilogram of the agricultural product.
Wherein, above-mentioned incoming price or selling price can carry out corresponding regulation according to the weight of agricultural product.
The second agricultural product is of a type less than or equal to that of the first agricultural product.
The management terminal uploads second agricultural product information corresponding to the purchased first agricultural product to the second transaction platform, issues the second agricultural product corresponding to the second agricultural product information to the corresponding merchant terminal, manages the merchants of the merchant terminal, manages the merchants in the market, and is convenient for effective management, wherein the merchants are sold by a manager in a unified way, and the same selling price is determined.
The selling prices of the second agricultural products are different selling prices corresponding to the determined different types of agricultural products, and the prices of the agricultural products of the same type are positioned, so that the prices of the agricultural products are unified.
For example, when the second agricultural product includes an agricultural product a, an agricultural product B, and an agricultural product C, the agricultural product a may be issued to the merchant a, the agricultural product B may be issued to the merchant B, the agricultural product C may be issued to the merchant C, and the like.
The determined geographical position of the farmer side is used for determining a delivery address of the agricultural product purchased by a manager of the management side;
the determined geographical position of the management end for purchasing the corresponding first agricultural product is used for determining a receiving address of a manager of the management end, wherein the receiving address can receive the agricultural product;
the logistics corresponding to the recorded purchase transaction information is determined by taking the delivery address as the starting point and the receiving address as the end point, and the current position of the transported first agricultural product is obtained in real time by carrying out GPS positioning on a vehicle transporting the first agricultural product in the transportation process of the first agricultural product, and the real-time monitoring information is transmitted to the management end, so that the management end can conveniently realize real-time monitoring on the first agricultural product.
When the vehicle for transporting the first agricultural products reaches the market, a manager at a management end issues the corresponding first agricultural products to the corresponding merchants according to the requirements of each merchant, and performs unified pricing on the prices of the issued first agricultural products.
The pre-purchased agricultural products in the second agricultural products are the agricultural products which the consumer terminal or the distribution terminal wants to purchase, and can be one or more, but the types of the pre-purchased agricultural products are less than or equal to the types of the second agricultural products. The consumer side or the distribution side can be both the distribution side, or both the consumer side and the distribution side can be the consumer side, that is, the consumer side and the distribution side are the same purchasing entity.
It should be noted that the first trading platform and the second trading platform are based on a first trading preset interface and a second trading preset interface which are established and correspond to the system.
It should be noted that, in the above technical solution, the agricultural products corresponding to the agricultural end are purchased through the manager of the management end based on the first trading platform, and the agricultural products corresponding to the merchant end managed by the management end are purchased through the distribution end via the second trading platform, so as to realize cash flow trading; determining a buyer and a seller who buy the agricultural product according to the recorded purchase transaction information, and forming a corresponding information flow; meanwhile, the geographical position of the agricultural client and the geographical position of the management client are determined according to the recorded purchase transaction information, the logistics information of the corresponding agricultural products is further determined, logistics is obtained, and three-in-one can be effectively realized through the formed and obtained cash flow, information flow and logistics.
The server is used for recording the transaction information between the agricultural end and the management end;
and the system is also used for recording the transaction information between the merchant terminal and the distribution terminal managed by the management terminal.
The method is mainly convenient for finding the traceable place for purchasing agricultural products through all recorded transaction information.
The beneficial effects of the above technical scheme are: the management system is used for managing the commercial tenants of the commercial tenant end according to the management end, and can effectively reduce the management difficulty of the market.
The embodiment of the invention provides a novel B2B agricultural product trading system,
the consumption end is also used for placing orders and purchasing pre-purchased agricultural products on a third transaction platform;
the management terminal is used for recording consumer transaction information related to the purchase of agricultural products by the consumption terminal on the third transaction platform based on the server and storing the consumer transaction information into a corresponding historical transaction database;
its system still includes:
the distribution end is used for acquiring order placing information related to the purchase of the pre-purchased agricultural products by the consumption end on the transaction platform based on the server, displaying the order placing information to a user of the distribution end, enabling the user of the distribution end to purchase the pre-purchased agricultural products corresponding to the order placing information from the merchant end and distribute the pre-purchased agricultural products to the consumption end, and conducting transaction payment corresponding to the order placing information to the merchant end;
the distribution end is also used for sending purchase behavior information of pre-purchased agricultural products corresponding to the order placing information purchased by a user of the distribution end from the merchant end, transaction payment information of transaction payment corresponding to the order placing information from the distribution end to the merchant end, and order distribution information of the pre-purchased agricultural products corresponding to the order placing information distributed to the consumer end by the user of the distribution end as historical transaction information of the distribution end to the management end and the server for storage, and the management end and the server store the historical transaction information of the distribution end into corresponding historical transaction databases;
the server is also used for monitoring the order distribution information and transmitting the order distribution information to the third trading platform for the consumer at the consumer end to check;
and the management terminal is also used for transferring accounts to the collection account of the distribution terminal according to preset settlement rules and based on the historical transaction database.
It should be noted that the third trading platform is a third trading preset interface established and corresponding to the system.
The ordering information is order information of a consumer at a consumer end after paying for pre-purchased agricultural products at a first price;
the method comprises the steps that a distribution end purchases agricultural products from a merchant end and pays correspondingly to the merchant end according to pre-purchased agricultural products corresponding to ordering information, the purchasing process can be that a user of the distribution end purchases the pre-purchased agricultural products in a second price in a shop of the merchant end in a face-to-face mode, and the corresponding payment can be that the user of the distribution end pays by scanning payment data, wherein the payment data can be that the payment is carried out by scanning two-dimensional codes (WeChat, Payment treasures and the like), and the payment can also be carried out by swiping a card through a POS machine or paying an APP through a bank.
The POS machine card swiping payment is based on a bank service system and carries out payment through any one non-cash transaction mode such as a deposit card, a credit card and the like.
The preset settlement rule may be that after the consumer terminal performs transaction payment to the management terminal, the management terminal automatically deducts a preset percentage of platform management fees based on the transaction payment amount of the consumer terminal, and transfers all the remaining amounts to the distribution terminal, for example, when the platform management fees are a single knot, the proportion of the platform management fees deducted by the management terminal is 5% of the total price of purchased commodities paid by the user of the consumer terminal, and the remaining amounts deducted from the platform management fees are all distributed to the distribution terminal, for example, when the user of the consumer terminal purchases 20 jin of tomatoes from the management platform by 100 yuan, the distribution terminal receives order distribution information at this time, purchases 20 jin of tomatoes from the shop terminal by 70 yuan, and distributes the purchased 20 jin of tomatoes to the user of the consumer terminal, during the process, the distribution terminal first pays 70 yuan consumed by the purchased 20 jin of tomatoes, secondly, distributing the purchased tomatoes of 20 jin to a user at a consumption end; and when the order information shows that the user at the consumption end receives the goods, the management end confirms accounts receivable to the consumption end, and after settlement is completed according to a preset settlement rule, the management end deducts 5-yuan platform management fee and then transfers and pays the remaining 95-yuan account to the delivery end. The agricultural product distribution device has the advantages that reliability of agricultural product distribution by a user at a distribution end can be improved through the pad payment.
The preset settlement rule can also be a settlement rule of month/season/year to transfer money to a collection account of the distribution end. And the management terminal performs transfer operation on a collection account of the corresponding distribution terminal after receiving the payment to the user terminal according to the preset settlement rule.
The historical transaction database is set as a basic parameter for the convenience of the management end to transfer the money to the collection account of the distribution end.
The technical scheme has the advantages that the distribution end is convenient to manage, and the management end transfers accounts for the distribution end conveniently.
The embodiment of the invention provides a novel B2B agricultural product trading system,
and the server is also used for storing a market database related to the first agricultural product, calculating a price to be sold by acquiring the historical trading price of the user at the distribution end for purchasing the second agricultural product and the buying price of the management end corresponding to the purchasing transaction information of the first agricultural product between the management end and the farmer end, and pushing the price to be sold to the management end.
The historical bargaining price for purchasing the second agricultural product is all consumers who purchase the same type of agricultural products, so that a reliable sample is provided for calculating the price to be sold, and the rationality of the price to be sold is further improved.
The purchase price may be a purchase price of the first agricultural product purchased by a manager at the management end from the farmer end.
The beneficial effects of the above technical scheme are: the price for sale is more reasonable.
The embodiment of the invention provides a B2B agricultural product trading system, which further comprises:
the response module is used for responding to a confirmation result corresponding to the price to be sold of the pre-purchased agricultural product in the transaction by the user of the distribution end when the user of the distribution end purchases the pre-purchased agricultural product in the second agricultural product, generating transaction data and uploading the transaction data to the server;
the server is also used for pushing the transaction data uploaded by the response module to a corresponding merchant end of the second transaction platform;
the merchant side is used for acquiring a scanning result of the corresponding transaction data through the transaction data pushed by the scanning server, and the transaction is finished;
the transaction data can be any one or more of transaction two-dimensional codes or bank card swiping data.
For example, if the user a at the distribution end purchases 2kg of A, B, C three different types of agricultural products, respectively, and the sale price of the a-type agricultural product is a/kg, the sale price of the B-type agricultural product is B/kg, and the sale price of the C-type agricultural product is C/kg, the corresponding confirmation result S:
S＝2a+2b+2c
the scanning result comprises: scanning is successful and scanning fails.
The scanning may be that the merchant at the merchant terminal scans the payment code of the user at the distribution terminal to complete the payment transaction between the merchant and the user at the distribution terminal.
It should be noted that, during the payment process, the user at the dispensing end may also send each transaction amount calculated according to a step price transaction scheme preset by the server based on the server to the merchant end, and the merchant end completes the collection of the dispensing end through code scanning, card swiping by the POS machine, and the like.
When the user of the distribution end carries out transaction to a merchant corresponding to the merchant end, the clerk in the merchant can scan the payment two-dimensional code of the user of the distribution end; or the user at the dispensing end can scan the two-dimensional cash collection code displayed in the merchant to complete the transaction.
The beneficial effects of the above technical scheme are: by scanning the two-dimensional code, cashless payment between a user at the dispensing end and a merchant is facilitated.
The embodiment of the invention provides a B2B agricultural product trading system, a camera and a weighing module are arranged in a merchant corresponding to a merchant end,
the camera is used for shooting the pre-purchased agricultural products acquired by the user at the distribution end to obtain an image of the agricultural products;
the weighing module is used for weighing the weight of the pre-purchased agricultural products acquired by the user at the dispensing end;
the server is also used for storing an agricultural product image database and judging and analyzing the type of the agricultural products of the pre-purchased agricultural products according to the agricultural product images obtained by the camera;
meanwhile, based on a product weight grade table stored in advance and related to the pre-purchased agricultural products, and according to the weight of the pre-purchased agricultural products weighed by the weighing module and the judged product type of the pre-purchased agricultural products, determining the selling price of the pre-purchased agricultural products of the product type under the weight weighed by the weighing module; and pushing the selling price to a weighing module;
the weighing module is further used for calculating a total selling price corresponding to the pre-purchased agricultural products according to the determined selling price of the pre-purchased agricultural products of the product type under the weight weighed by the weighing module and the weight of the corresponding pre-purchased agricultural products.
It should be noted that, when the user at the delivery end goes to the door and purchases agricultural products, and when the user at the delivery end places the pre-purchased agricultural products at the weighing module and weighs, the camera is controlled to shoot the pre-purchased agricultural products, so that the service life of the camera can be prolonged.
The product weight grade table includes different types of agricultural products and corresponding selling prices of the different types of agricultural products when the different types of agricultural products reach a certain range of weight, for example, as shown in the following table:
Figure BDA0002152539750000171
when a user at the distribution end purchases 6kg of Chinese cabbages, the weighing module can automatically acquire and calculate the selling total price of the Chinese cabbages to be 13.2 yuan according to the product weight grade table.
The beneficial effects of the above technical scheme are: the price calculation of the pre-purchased agricultural products is convenient to directly carry out, and the time for calculating the price by the merchant can be effectively saved; and meanwhile, the possibility that no preferential treatment is carried out because the price is not calculated according to the weighed weight can be avoided.
The embodiment of the invention provides a novel B2B agricultural product trading system,
the server is also used for generating corresponding payment data when the total selling price corresponding to the pre-purchased agricultural products calculated by the weighing module is calculated, and transmitting the payment data to the merchant end;
the user of the dispensing end makes the payment by scanning the payment data.
The payment method by scanning the payment data can be scanning payment of a payment treasure and scanning payment of WeChat;
wherein the payment data can be any one or more of transaction two-dimensional codes or bank card swiping data.
It should be noted that, during the payment process, the user at the dispensing end may also send each transaction amount calculated according to a step price transaction scheme preset by the server based on the server to the merchant end, and the merchant end completes the collection of the dispensing end through code scanning, card swiping by the POS machine, and the like.
The beneficial effect of the above-mentioned top speed scheme is: the payment is convenient for the user at the dispensing end.
The embodiment of the invention provides a novel B2B agricultural product trading system,
the management terminal is further used for an administrator to submit and upload merchant information related to the merchant terminal, and the merchant information comprises: the type of the agricultural product sold by the merchant, the unit price corresponding to the type of the agricultural product sold by the merchant, and the geographical position of the agricultural product sold by the merchant;
the consumption end is used for acquiring search information input by a consumer and transmitting the search information to the server;
the server is used for acquiring a target merchant related to the search information based on the agricultural product database according to the search information acquired by the consumption end and transmitting the target merchant to the second transaction platform;
the second transaction platform is used for pushing target merchants to the consumption end, the pushed target is a preset area set by the consumer based on the consumption end, and all merchants related to the search information are included in the preset area;
and the consumption end is used for outputting the target commercial tenant pushed by the second transaction platform so that the consumer can select the required commercial tenant to place an order.
The consumer can be any one of province, city, district/county, town/business district/district, street/village based on the preset area set by the consumer end, and the consumer has the advantages that the merchant can go deep into the countryside or the district, and the regional operation and the countryside e-commerce can be realized conveniently.
For example, when the search information entered by the consumer is "tomato", the merchant associated with "tomato" may be pushed to the consumer, and the price in "tomato" pushed by the merchant is the same.
The beneficial effects of the above technical scheme are: the second transaction platform is used for providing the consumer with the choice according to the target merchant pushed by the second transaction platform, and the experience effect of the consumer is improved.
The embodiment of the invention provides a novel B2B agricultural product trading system,
the consumer end is also used for selecting the priority ranking sequence of the merchants on the selection interface on the corresponding selection interface when the consumer selects the required merchants according to the pushed target merchants, and transmitting the selection result to the server;
the server is also used for carrying out priority sequencing on all target merchants in a preset area corresponding to the target merchants according to the selection result transmitted by the consumption end to form a related priority interface;
and the consumption end is used for outputting the priority interface formed by the server, so that the consumer can select the needed merchant on the priority interface.
The priority ranking order may be, for example, a ranking order of credit, descending order, ascending order of price, popularity, and overall score.
For example, when the search information input by the consumer is "tomato", the consumer may be pushed to the merchants related to "tomato", and the merchants with higher comprehensive scores are pushed to the consumer first according to the priority ranking selected by the user, for example, "comprehensive scores".
The beneficial effects of the above technical scheme are: according to the preference of the consumer, related merchants are pushed, so that the selection of the consumer is optimized, and the experience effect of the consumer is further enhanced.
The embodiment of the invention provides a novel B2B agricultural product transaction system, which further comprises:
the detection module is used for detecting a first agricultural product at a farmer end and determining the pesticide concentration of the first agricultural product;
the control module is used for acquiring the pesticide concentration of the first agricultural product detected by the detection module, judging whether the detected pesticide concentration is equal to or larger than a preset concentration, and if so, sending a warning instruction to the reminding module;
and the reminding module is used for executing corresponding warning operation according to the warning instruction sent by the control module.
The warning operation may be a combination of one or more of sound, light, vibration, and the like.
The technical scheme has the beneficial effects that the quality of the agricultural products purchased by the management terminal is effectively ensured by detecting the pesticide concentration of the first agricultural products.
The embodiment of the invention provides a novel B2B agricultural product trading system,
the specific steps for determining the price for sale of the second agricultural commodity are as follows:
firstly, dividing all agricultural products into big fruit types, small fruit types and mixed fruit types according to weight change, wherein the big fruit type is that the bigger the single weight of the agricultural product, the more popular the small fruit type is that the smaller the single weight of the agricultural product, and the mixed fruit type is that the single weight of the agricultural product is unrelated to the popularity degree;
meanwhile, all agricultural products are divided into a good water type, a hydrophobic type and a water-independent type according to the weather relationship, wherein the better the weather the better the agricultural products are unpopular, the better the weather the hydrophobic type the weather the better the agricultural products are popular, and the water-independent type is the popularity degree of the agricultural products and the weather independence;
randomly extracting 20 products from a second agricultural product, respectively obtaining the weights of the 20 products to form a vector A, and calculating an adjusting factor by using the vector A according to a formula (1):
Figure BDA0002152539750000201
Figure BDA0002152539750000202
wherein S1 is an intermediate parameter, AiIs the ith value of vector A, max (A) is the maximum value of vector A, AjThe jth value of vector a, S is the adjustment factor,
Figure BDA0002152539750000203
in the historical trading information of the second agricultural product, the average weight of the single agricultural product of the second agricultural product, i is 1, 2, 3 … … 20, j is 1, 2, 3 … … 20;
determining an adjustment coefficient by using the formula (2);
Figure BDA0002152539750000204
Figure BDA0002152539750000205
wherein ρ is an adjustment coefficient, tq is a weather index value of the current day forecasted by the weather forecast, tq (-1) is a weather index value of the previous day forecasted by the weather forecast, tq (1) is a weather index value of the next day forecasted by the weather forecast, and when the second agricultural product is the hydrophobic agricultural product, the adjustment coefficient ρ is the adjustment coefficient tq, tq (-1) is the weather index value of the next day forecasted by the weather forecast, and when the second agricultural product is the hydrophobic agricultural product, the adjustment coefficient tq is the adjustment coefficient tq, and when the second agricultural product is the hydrophobic agricultural product, the adjustment coefficient tq is the adjustment coefficient tq
Figure BDA0002152539750000206
Calculating, when the second agricultural product is a good water type agricultural product, using the formula (2)
Figure BDA0002152539750000211
Calculating, when the second agricultural product is a water-independent type, rho is S;
the price of the product can be intelligently adjusted according to weather and the quality of the product by using the formula (1) and the formula (2), and when the price is adjusted according to the weather, not only the weather of the day but also the weather of the previous day and the next day are considered, so that the price is more intelligent.
Meanwhile, the transaction system further includes: the agricultural product quality detection module is used for detecting the quality of agricultural products, and the specific detection steps are as follows:
the agricultural product quality detection module comprises a corresponding detection database for each agricultural product in all agricultural products, P agricultural products with different qualities are recorded in the detection database, each record comprises numerical values corresponding to N indexes of the agricultural products under different qualities to form a matrix B, the matrix B comprises P rows and N columns, each row corresponds to one record, the quality scores of the agricultural products recorded by the records are marked, and the records are scored according to percentage;
the N indexes include color, shape, weight, size, and the like, and the corresponding numerical values are obtained by digitizing the values of the indexes.
Obtaining numerical values corresponding to N indexes of a second agricultural product, adding the numerical values to a first row of a matrix B corresponding to the agricultural product to form a matrix M with P +1 rows and N columns, and performing matrix regularization on the matrix M by using a formula (3) to form a regularized matrix GM;
Figure BDA0002152539750000212
wherein, GMi,tIs the value of the ith row t column of the matrix GM, Mi,tIs the value of the ith row t column of the matrix M, Mj,tMAX () is the maximum value in parentheses for the value of j row and t column of the matrix M, i ═ 1, 2, 3 … … P +1, j ═ 1, 2, 3 … … P +1, t ═ i ═ 1, 2, 3 … … N;
then determining the optimal score by using a formula (4);
Figure BDA0002152539750000221
wherein, FjFor the best score of the jth record in the detection database, q and z represent index values used to label the q-th or z-th column value of a row of the matrix, e.g., GMj+1,zA value representing z columns in row +1 of the matrix j, j being 1, 2, 3 … … P, z being 1, 2, 3 … … N, q being 1, 2, 3 … … N;
acquiring the best scores of all records in the detection database, wherein the quality score of the agricultural product marked by the record corresponding to the maximum value of the best score is the quality score of the second agricultural product;
determining a price for the second agricultural product using equation (5);
Figure BDA0002152539750000222
Figure BDA0002152539750000223
Figure BDA0002152539750000224
wherein rt is the final sale price of the second agricultural product, D1 is the average price of the first agricultural product corresponding to the second agricultural product, LS is the average value of the historical price of the second agricultural product, D2 is the average value of the price when the second agricultural product is purchased in advance in the consumer terminal, PZ is the quality score of the second agricultural product, and when the second agricultural product is of mixed fruit type, the method utilizes
Figure BDA0002152539750000225
Calculating, when the second agricultural product is big fruit type, utilizing
Figure BDA0002152539750000226
Calculating, when the second agricultural product is small fruit type, utilizing
Figure BDA0002152539750000227
Calculating to obtain the price of the second agricultural product for sale;
by utilizing the technology, under the conditions of considering product weight, weather and product quality, the price to be sold of the second agricultural product is intelligently and automatically adjusted, the price to be sold of the second agricultural product also considers the historical price of the second agricultural product, and the average price of the first agricultural product corresponding to the second agricultural product is the price when the second agricultural product is purchased in advance, so that the price is considered more comprehensively and scientifically, the technology can obtain accurate conclusions by utilizing simple calculations without additional manual intervention, the cost is saved, the price is more intelligent, and the price to be sold of the second agricultural product can be well and automatically adjusted.
In the agricultural product transaction system,
the management terminal is also used for receiving the first agricultural product information uploaded by the agricultural terminal;
when the agricultural user transmits data related to the first agricultural product information to the management terminal, in order to improve the security of data transmission, the transmitted data needs to be encrypted, wherein the specific steps are as shown in S1-S6:
step S1, the farmer side carries out binary transcoding on the data to be transmitted;
step S2, the farmer side cuts the transcoded binary value once according to every Q2 bytes randomly, so that P2 pieces of data are formed, each piece of data contains 8X Q2 bit numerical values, S1 values consisting of 0 or 1 are added randomly behind each piece of data, and a matrix B2 of P2 rows and 8X Q2+ S1 columns can be formed;
step S3, the farmer side extracts the secret key of the matrix B2 and eliminates the data, and the concrete steps are shown as S301 and S302;
step S301, a data matrix Y2 is constructed at a farmer end, the initial value of the matrix Y2 is a matrix B2, meanwhile, a key vector M2 is constructed, and the initial value of M2 is Q2;
s302, refreshing a key vector M2 by the farmer side by using a formula (6);
CF＝sum(Y21)
if CF＝1 then K2＝1,T2＝[1,0]
else if CF＝0 then K2＝1,T2＝[0,0]
else if Y21≠Y22 then K2＝1,T2＝[0,1]
else K2＝0,T2＝[]
M2＝[M2,T2]
(6)
wherein CF, T2 is the intermediate parameter, sum is the sum, Y21For the values in the first column of the matrix Y2, if … then … is to determine whether a condition between if and then is satisfied, if so, run the calculation after then, if not, run the run after else for the next row, Y21≠Y22For the first column of all rows of the matrix Y2 having no value equal to the second column, [ M2, T2]To add the value of T2 to the back of the vector M2, T2 ═ 2 [, ]]If T2 is a null vector and K2 is a decision function, if K2 is equal to 0, step S4 is performed, if K2 is equal to 1, the value of the first column of the matrix Y2 is removed, and then step S302 is repeated with the matrix Y2 from which the 1 st column is removed;
step S4, the farmer side transmits a key vector M2 to the management side firstly, when the management side receives the key vector M2, a confirmation receiving message is sent to the farmer side, and after the farmer side receives the confirmation message, the farmer side sends a matrix Y2 with all information needing to be removed finally to the management side;
step S5, the management end judges whether the number of the elements of the M2 is 1, if yes, the step S6 is operated, otherwise, the last two values of the vector M2 are extracted to form a vector M1, meanwhile, the vector M2 is removed from the last two values to form a new vector M2, and the Y2 is decrypted by using a formula (7);
Figure BDA0002152539750000241
wherein, [1, Y2]To prepend the matrix Y2 with a list of all 1 values, [0, Y2]To prepend the matrix Y2 with a list of all 0 values, [1-Y2 [ ]1,Y2]To prepend a column to matrix Y2, all values are 1-Y21Updating the matrix Y2 using the formula while repeating step S5;
step S6, extracting the value Q2 of the first element of M2, thereby extracting the first Q2 × 8 values of each row of the matrix Y2, and forming a string of binary machine codes by all the values according to the row order, and restoring the binary machine codes into data, where the restored data is decoded data, that is, data related to the first agricultural product information.
By utilizing the technology, the data can be quickly encrypted and transmitted without other tools, and during transmission, the field is randomly cut during field cutting, so that the useful data can be extracted only by the key generated during encryption during decryption, the data security is stronger, and meanwhile, during transmission, the key and the data are transmitted in batches, secondary security isolation is realized, and the data is safer.
It will be apparent to those skilled in the art that various changes and modifications may be made in the present invention without departing from the spirit and scope of the invention. Thus, if such modifications and variations of the present invention fall within the scope of the claims of the present invention and their equivalents, the present invention is also intended to include such modifications and variations.

Claims (9)

1. A B2B agricultural product trading system is characterized in that,
the agricultural terminal is used for issuing first agricultural product information to the first trading platform;
the management terminal is used for purchasing a required second agricultural product from a first agricultural product corresponding to the first agricultural product information and issued by the customer premises based on the first trading platform, uploading second agricultural product information corresponding to the purchased second agricultural product to a second trading platform, issuing the second agricultural product corresponding to the second agricultural product information to a corresponding merchant terminal, and managing merchants of the customer premises;
wherein the second agricultural product information comprises: a price for the second agricultural product for sale;
the server is used for recording purchase transaction information of the first agricultural product between the management terminal and the agricultural terminal, determining the geographical position of the agricultural terminal for issuing the first agricultural product information to a first transaction platform according to the purchase transaction information, and determining the geographical position of the management terminal for purchasing the corresponding first agricultural product;
meanwhile, the logistics corresponding to the recorded purchase transaction information is obtained, real-time monitoring is carried out on the logistics, and meanwhile, the corresponding real-time monitoring information is transmitted to the management end;
the consumption end is used for purchasing pre-purchased agricultural products in the second agricultural products from merchants of the merchant end corresponding to the second agricultural products and managed by the management end based on the second transaction platform;
the specific steps of determining the price for sale of the second agricultural commodity are as follows:
firstly, dividing all agricultural products into a big fruit type, a small fruit type and a mixed fruit type according to weight change, wherein the big fruit type is more popular when the single weight of the agricultural products is larger, the small fruit type is more popular when the single weight of the agricultural products is smaller, and the mixed fruit type is that the single weight of the agricultural products is not related to the popularity degree;
simultaneously dividing all agricultural products into a good water type, a hydrophobic type and a water-independent type according to weather relations, wherein the agricultural products are less popular when the weather is better in the good water type, the agricultural products are more popular when the weather is better in the hydrophobic type, and the agricultural products are less popular when the weather is better in the hydrophobic type, and the water-independent type is that the popularity degree of the agricultural products is independent of the weather;
randomly extracting 20 products from the second agricultural product, respectively obtaining the weights of the 20 products to form a vector A, and calculating an adjusting factor by using a formula (1) of the vector A:
Figure FDA0003123778480000021
Figure FDA0003123778480000022
wherein S1 is an intermediate parameter, AiIs the ith value of vector A, max (A) is the maximum value of vector A, AjThe jth value of vector a, S is the adjustment factor,
Figure FDA0003123778480000027
in the historical trading information of the second agricultural product, the average weight of the single agricultural product of the second agricultural product, i is 1, 2, 3 … … 20, j is 1, 2, 3 … … 20;
determining an adjustment coefficient by using the formula (2);
Figure FDA0003123778480000023
Figure FDA0003123778480000024
wherein ρ is an adjustment coefficient, tq is a weather index value of the current day forecasted by the weather forecast, tq (-1) is a weather index value of the previous day forecasted by the weather forecast, tq (1) is a weather index value of the next day forecasted by the weather forecast, and when the second agricultural product is a hydrophobic agricultural productUsing the formula (2)
Figure FDA0003123778480000025
Calculating, when the second agricultural product is a good water type agricultural product, using the following formula (2)
Figure FDA0003123778480000026
Calculating, when the second agricultural product is water-independent, ρ ═ S;
meanwhile, the transaction system further includes: the agricultural product quality detection module is used for detecting the quality of the agricultural product, and the specific detection steps are as follows:
the agricultural product quality detection module comprises a corresponding detection database for each agricultural product in all agricultural products, P agricultural products with different qualities are recorded in the detection database, each record comprises numerical values corresponding to N indexes of the agricultural product under different qualities to form a matrix B, the matrix B comprises P rows and N columns, each row corresponds to one record, the quality score of the agricultural product recorded by the record is marked, and the record is graded according to a percentage;
obtaining numerical values corresponding to the N indexes of the second agricultural product, adding the numerical values to a first row of a matrix B corresponding to the agricultural product to form a matrix M with P +1 rows and N columns, and performing matrix regularization on the matrix M by using a formula (3) to form a regularized matrix GM;
Figure FDA0003123778480000031
wherein, GMi,tIs the value of the ith row t column of the matrix GM, Mi,tIs the value of the ith row t column of the matrix M, Mj,tMAX () is the maximum value in parentheses for the value of j row and t column of the matrix M, i ═ 1, 2, 3 … … P +1, j ═ 1, 2, 3 … … P +1, t ═ i ═ 1, 2, 3 … … N;
then determining the optimal score by using a formula (4);
Figure FDA0003123778480000032
wherein, FjThe best score for the jth record in the detection database, q and z represent index values used to label the value of the qth or zth column of a row of the matrix, GMj+1,zA value representing z columns in row +1 of the matrix j, j being 1, 2, 3 … … P, z being 1, 2, 3 … … N, q being 1, 2, 3 … … N;
acquiring the optimal scores of all records in the detection database, wherein the optimal score is the quality score of the agricultural product marked by the record corresponding to the maximum value, and the quality score is the quality score of the second agricultural product;
determining a price for the second agricultural product using equation (5);
Figure FDA0003123778480000041
Figure FDA0003123778480000042
Figure FDA0003123778480000043
wherein rt is a final sale price of a second agricultural product, D1 is an average price of a first agricultural product corresponding to the second agricultural product, LS is an average value of a historical price of the second agricultural product, D2 is an average value of a price when the second agricultural product is purchased in advance in the consumer terminal, PZ is a quality score of the second agricultural product, and when the second agricultural product is of a mixed fruit type, the method utilizes
Figure FDA0003123778480000044
Calculating, when the second agricultural product is big fruit type, utilizing
Figure FDA0003123778480000046
Calculating, when the second agricultural product is small fruit type, utilizing
Figure FDA0003123778480000045
Calculating to obtain the price of the second agricultural product for sale;
in the agricultural product transaction system,
the management terminal is also used for receiving the first agricultural product information uploaded by the agricultural end;
when the agricultural user transmits data related to the first agricultural product information to the management terminal, in order to improve the security of data transmission, the transmitted data needs to be encrypted, wherein the specific steps are as shown in S1-S6:
step S1, the agricultural user end carries out binary transcoding on the data to be transmitted;
step S2, the farmer client cuts the transcoded binary value once according to every random Q2 bytes to form P2 pieces of data, each piece of data contains 8X Q2 bit values, S1 values consisting of 0 or 1 are added at random behind each piece of data, and a matrix B2 of P2 rows and 8X Q2+ S1 columns is formed;
step S3, the farmer side extracts the secret key of the matrix B2 and removes the data, and the concrete steps are shown as S301 and S302;
step S301, constructing a data matrix Y2 at the rural home, wherein the initial value of the matrix Y2 is a matrix B2, and meanwhile, constructing a key vector M2, and the initial value of the M2 is Q2;
s302, refreshing a key vector M2 by the farmer side by using a formula (6);
CF＝sum(Y21)
if CF＝1 then K2＝1,T2＝[1,0]
else if CF＝0 then K2＝1,T2＝[0,0]
else if Y21≠Y22 then K2＝1,T2＝[0,1]
Figure FDA0003123778480000051
M2＝[M2,T2] (6)
wherein CF, T2 is the intermediate parameter, sum is the sum, Y21For the values in the first column of the matrix Y2, if … then … is to determine whether a condition between if and then is satisfied, if so, run the calculation after then, if not, run the run after else for the next row, Y21≠Y22For the first column of all rows of the matrix Y2 having no value equal to the second column, [ M2, T2]To add the value of T2 to the back of the vector M2, T2 ═ 2 [, ]]If T2 is a null vector and K2 is a decision function, if K2 is equal to 0, step S4 is performed, if K2 is equal to 1, the value of the first column of the matrix Y2 is removed, and then step S302 is repeated with the matrix Y2 from which the 1 st column is removed;
step S4, the farmer side firstly transmits a key vector M2 to the management side, when the management side receives the key vector M2, the management side sends a confirmation receiving message to the farmer side, and the farmer side sends the matrix Y2 after all information needing to be removed is finally removed to the management side after receiving the confirmation message;
step S5, the management terminal judges whether the number of the elements of the M2 is 1, if yes, the step S6 is operated, otherwise, the last two values of the vector M2 are extracted to form a vector M1, meanwhile, the vector M2 is removed from the last two values to form a new vector M2, and the Y2 is decrypted by using a formula (7);
Figure FDA0003123778480000052
wherein, [1, Y2]To prepend the matrix Y2 with a list of all 1 values, [0, Y2]To prepend the matrix Y2 with a list of all 0 values, [1-Y2 [ ]1,Y2]To prepend a column to matrix Y2, all values are 1-Y21Updating the matrix Y2 using the formula while repeating step S5;
step S6, extracting the value Q2 of the first element of the M2, thereby extracting the first Q2 × 8 values of each row of the matrix Y2, and forming a string of binary machine codes by all the values according to the row order, restoring the binary machine codes to data, where the restored data is decoded data, that is, data related to the first agricultural product information.
2. The agricultural product transaction system of claim 1,
the consumption end is also used for placing orders and purchasing pre-purchased agricultural products on a third transaction platform;
the management terminal is used for recording consumer transaction information of purchasing agricultural products related to the pre-purchased agricultural products by the consumption terminal on the third transaction platform based on the server and storing the consumer transaction information into a corresponding historical transaction database;
the system, still include:
the distribution end is used for acquiring order placing information related to purchase of pre-purchased agricultural products by the consumption end on a transaction platform based on the server, displaying the order placing information to a user of the distribution end, enabling the user of the distribution end to purchase the pre-purchased agricultural products corresponding to the order placing information from the merchant end and distribute the pre-purchased agricultural products to the consumption end, and conducting transaction payment corresponding to the order placing information to the merchant end;
the distribution terminal is further configured to send purchase behavior information of a user of the distribution terminal purchasing a pre-purchased agricultural product corresponding to the order placing information from the merchant terminal, transaction payment information of a transaction payment corresponding to the order placing information from the distribution terminal to the merchant terminal, and order distribution information of the user of the distribution terminal distributing the pre-purchased agricultural product corresponding to the order placing information to the consumer terminal as historical transaction information of the distribution terminal to the management terminal and the server for storage, and the management terminal and the server store the historical transaction information of the distribution terminal into corresponding historical transaction databases;
the server is further used for monitoring the order distribution information and transmitting the order distribution information to a third trading platform for a consumer at the consumer end to check;
and the management terminal is also used for transferring accounts to the collection account of the distribution terminal according to preset settlement rules and based on the historical transaction database.
3. The agricultural product trading system of claim 2,
and the server is further used for storing a market database related to the first agricultural product, acquiring historical trading prices of users at the distribution end for purchasing the second agricultural product and buying prices of the management end corresponding to the purchase transaction information of the first agricultural product between the management end and the agricultural end, calculating the price to be sold, and pushing the price to be sold to the management end.
4. The agricultural product trading system of claim 2, further comprising:
the response module is used for responding to a confirmation result corresponding to the price to be sold of the pre-purchased agricultural product in the transaction when the user of the distribution end purchases the pre-purchased agricultural product in the second agricultural product, generating transaction data and uploading the transaction data to the server;
the server is further used for pushing the transaction data uploaded by the response module to the corresponding merchant terminal of the second transaction platform;
the merchant side is used for scanning the transaction data pushed by the server to obtain a scanning result of the corresponding transaction data, and the transaction is finished;
the transaction data is any one of transaction two-dimensional codes or bank card swiping data.
5. The agricultural product transaction system of claim 2, wherein a camera and a weighing module are disposed in a merchant corresponding to the merchant terminal,
the camera is used for shooting the pre-purchased agricultural products acquired by the user at the distribution end to obtain an agricultural product image;
the weighing module is used for weighing the weight of the pre-purchased agricultural products acquired by the user at the dispensing end;
the server is further used for storing an agricultural product image database and judging and analyzing the type of the agricultural product of the pre-purchased agricultural product according to the agricultural product image obtained by the camera;
meanwhile, based on a product weight grade table stored in advance and related to the pre-purchased agricultural products, and according to the weight of the pre-purchased agricultural products weighed by the weighing module and the judged product type of the pre-purchased agricultural products, determining the selling price of the pre-purchased agricultural products of the product type under the weight weighed by the weighing module; and pushing the selling price to the weighing module;
the weighing module is further used for calculating a total selling price corresponding to the pre-purchased agricultural products according to the determined selling price of the pre-purchased agricultural products of the product type under the weight weighed by the weighing module and the corresponding weight of the pre-purchased agricultural products.
6. The agricultural product trading system of claim 5,
the server is further used for generating corresponding payment data when the total selling price corresponding to the pre-purchased agricultural products calculated by the weighing module is reached, and transmitting the payment data to the merchant terminal;
the user of the dispensing end pays by scanning the payment data;
wherein the payment data is any one of transaction two-dimensional codes or bank card swiping data.
7. The agricultural product transaction system of claim 1,
the management terminal is further used for an administrator to submit and upload merchant information related to the merchant terminal, and the merchant information includes: the type of the agricultural product sold by the merchant, the unit price corresponding to the type of the agricultural product sold by the merchant, and the geographical position of the agricultural product sold by the merchant;
the consumption end is used for acquiring search information input by a consumer and transmitting the search information to the server;
the server is used for acquiring a target merchant related to the search information based on the agricultural product database and according to the search information acquired by the consumption end, and transmitting the target merchant to a second transaction platform;
the second transaction platform is used for pushing the target merchant to the consumption end, wherein the pushed target merchant is a preset area set by the consumer based on the consumption end, and all merchants related to the search information are included in the preset area;
and the consumption end is used for outputting the target merchant pushed by the second transaction platform, so that the consumer can select the desired merchant to place an order.
8. The agricultural product trading system of claim 7,
the consumer is further configured to select, on the corresponding selection interface, the priority ranking order of the merchants on the selection interface and transmit the selection result to the server when the consumer selects the desired merchant according to the pushed target merchant;
the server is further used for carrying out priority sequencing on all target merchants in a preset area corresponding to the target merchants according to the selection result transmitted by the consumption end to form a related priority interface;
and the consumption end is used for outputting a priority interface formed by the server, so that the consumer can select a needed merchant on the priority interface.
9. The agricultural product trading system of claim 1, further comprising:
the detection module is used for detecting the first agricultural product of the agricultural terminal and determining the pesticide concentration of the first agricultural product;
the control module is used for acquiring the pesticide concentration of the first agricultural product detected by the detection module, judging whether the detected pesticide concentration is equal to or larger than a preset concentration, and if so, sending a warning instruction to the reminding module;
and the reminding module is used for executing corresponding warning operation according to the warning instruction sent by the control module.
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