CN109886711A - A kind of bar code coding method and device - Google Patents
A kind of bar code coding method and device Download PDFInfo
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Abstract
The invention discloses a kind of bar code coding method and devices, are related to product coding, product sale, bar code coding techniques field, wherein bar code coding method, comprising: obtain the manufacturer's cognizance code and commodity item code of user's input；In the case of manufacturer's cognizance code and commodity item code meet preset condition, biased exponent is set, according to biased exponent, manufacturer's cognizance code, commodity item code building check code；Bar code symbol is generated according to biased exponent, manufacturer's cognizance code, commodity item code, check code.Bar code coding method provided by the invention, in such a way that biased exponent is set, the data length for expanding code, in the case where not changing bar code full size, by implying coding techniques, retail bar code is set to increase to 14, in the case where not increasing cost, existing bar code distribution resource is set to be expanded, further, biased exponent is set as 0, so that the bar code that this coding method generates is compatible with EAN-13 bar code.
Description
Technical field
The present embodiments relate to product codings, product sale, bar code coding techniques field, and in particular to Yi Zhongshang
Product barcode encoding method and device.
Background technique
Bar code be by as defined in International Article Numbering Association (GS1), for indicate Retail commodity, non-Retail commodity,
The bar code mark of the codes such as Logistic Unit, participant position.Specifically, bar code is by one group of regularly arranged item, idle pattern
And its corresponding label that character composition is identified for people.In bar code, idle pattern part be known as bar code symbol, it is right
That answers identifies commodity sign code represented by character namely bar code symbol for people.Bar code symbol has easy to operate, letter
Breath acquisition speed is fast, information collection amount is big, high reliablity, it is low in cost the features such as.
Currently, common code system has EAN bar code, UPC bar code, two or five bar codes, intersects two or five bar codes, codabar bar code, three
Nine bar codes and 128 bar codes etc., and most-often used on commodity is exactly EAN bar code.
EAN bar code is also known as general commodity bar code, is formulated by International Article Numbering Association, is common to all over the world, is
Most popular a kind of bar code in the world.What China carried out using at home is also this bar code.EAN commodity item
Code is divided into two kinds of EAN-13 (standard edition) and EAN-8 (shortening version).The inventors discovered that in the prior art, with bar code application
Increasing for user member and type of merchandize, is limited, bar code resource is more and more nervous by a code bit number.
Summary of the invention
For this purpose, the embodiment of the present invention provides a kind of bar code coding method and device, to solve to exist in the prior art
The problem of.
To achieve the goals above, embodiments of the present invention provide the following technical solutions:
In the first aspect of embodiments of the present invention, a kind of bar code coding method is provided, comprising:
Obtain the manufacturer's cognizance code and commodity item code of user's input；
In the case of manufacturer's cognizance code and the commodity item code meet preset condition, biased exponent, root are set
According to the biased exponent, manufacturer's cognizance code and the commodity item code building check code；
A code symbol is generated according to the biased exponent, manufacturer's cognizance code, the commodity item code, the check code
Number.
In another embodiment, manufacturer's cognizance code and commodity item code meet preset condition, comprising:
Manufacturer's cognizance code is made of 7 to 10 bit digitals, and the commodity item code is made of 5 to 2 bit digitals, and
And manufacturer's cognizance code and the commodity item code totally 12 bit digital.
In another embodiment, the setting biased exponent, comprising:
From 0, a, b, c, d, e, f, g, h obtain any one character as biased exponent in i.
In another embodiment, the biased exponent is 0, represents data 0, and biased exponent is a to i, successively represents data 10 to 18.
In another embodiment, described according to the biased exponent, manufacturer's cognizance code, the commodity item code building
Check code, comprising:
It by commodity item code, manufacturer's cognizance code and biased exponent, is arranged by the sequence of right-to-left, increases by one in right end
The unknown number in position is used as check code, and right-to-left is numbered in sequence since the check code, by the number on even number bit number
Word does add operation, and obtained operation result and preset data do multiplying, obtains the first calculated result, is 3 from number
Odd bits start, and the number on each odd number bit number is done add operation, and obtained operation result and described first are calculated and tied
Fruit is cooked add operation, obtains the second calculated result, and acquisition is more than or equal to second calculated result and is 10 integral multiple
Minimum number does subtraction with second calculated result, and obtained calculated result is as check code.
In another embodiment, described according to the biased exponent, manufacturer's cognizance code, the commodity item code, institute
It states check code and generates bar code symbol, comprising:
By the check code, the commodity item code, manufacturer's cognizance code and the biased exponent, according to right-to-left
Sequential concatenation generate bar code code, according to the bar code code building bar code symbol.
It is in another embodiment, described according to the bar code code building bar code symbol, comprising:
From the bar code code, right side data symbols numerical value, left data symbol numerical value are obtained, before left data symbol is corresponding
Set yardage value and the corresponding preamble numerical value of right side data symbols；
Corresponding preamble numerical value is accorded with according to the left data, according to preset left data symbol bar code character
Collect alternation rule, converts left data symbol for left data symbol numerical value；
According to the corresponding preamble numerical value of the right side data symbols, according to preset right side data symbol bar code character
Collect alternation rule, converts right side data symbols for the right side data symbols numerical value；
Corresponding binary data is converted by the check code, as check character；
According to left data symbol, the right side data symbols, the check character, according to left side blank area, starting character, a left side
Side data symbol, central seperating character, right side data symbols, check character, full stop, right side blank area, worker identify that the sequence of character is raw
At bar code symbol.
In the second aspect of embodiments of the present invention, a kind of bar code code device is provided, comprising:
Module is obtained, for obtaining the manufacturer's cognizance code and commodity item code of user's input；
Correction verification module, for meeting the situation of preset condition in manufacturer's cognizance code and the commodity item code
Under, biased exponent is set, according to the biased exponent, manufacturer's cognizance code and the commodity item code building check code；
Bar code symbol generation module, for according to the biased exponent, manufacturer's cognizance code, the commodity item code,
The check code generates bar code symbol.
In another embodiment, the correction verification module is made of for manufacturer's cognizance code 7 to 10 bit digitals, institute
It states commodity item code to be made of 5 to 2 bit digitals, and manufacturer's cognizance code and the commodity item code totally 12 digit
In the case of word, biased exponent is set, is verified according to the biased exponent, manufacturer's cognizance code and the commodity item code building
Code.
In the third aspect of embodiments of the present invention, a kind of computer readable storage medium, the calculating are provided
Program is stored in machine readable storage medium storing program for executing, described program is for realizing the bar code coding staff as described in claim 1 to 7
Method.
Embodiment according to the present invention has the advantages that bar code coding method provided by the invention, by setting
The mode for setting biased exponent expands the data length of code, in the case where not changing bar code full size, by implying coding techniques,
So that retail bar code is increased to 14, in the case where not increasing cost, so that existing bar code distribution resource is expanded, further
Biased exponent is set as 0 by ground, so that the bar code that this coding method generates is compatible with EAN-13 bar code.
Detailed description of the invention
It, below will be to embodiment party in order to illustrate more clearly of embodiments of the present invention or technical solution in the prior art
Formula or attached drawing needed to be used in the description of the prior art are briefly described.It should be evident that the accompanying drawings in the following description is only
It is merely exemplary, it for those of ordinary skill in the art, without creative efforts, can also basis
The attached drawing of offer, which is extended, obtains other implementation attached drawings.
Fig. 1 is a kind of bar code coding method flow chart that one embodiment of the invention provides；
Fig. 2 is a kind of bar code code device structural block diagram that another embodiment of the present invention provides.
In figure: 401 be obtain module, 402 be correction verification module, 403 be bar code symbol generation module.
Specific embodiment
Embodiments of the present invention are illustrated by particular specific embodiment below, those skilled in the art can be by this explanation
Content disclosed by book is understood other advantages and efficacy of the present invention easily, it is clear that described embodiment is the present invention one
Section Example, instead of all the embodiments.Based on the embodiments of the present invention, those of ordinary skill in the art are not doing
Every other embodiment obtained under the premise of creative work out, shall fall within the protection scope of the present invention.
In the first aspect of the present invention, a kind of bar code coding method is provided, as shown in Figure 1, comprising:
Step 201: obtaining the manufacturer's cognizance code and commodity item code of user's input；
In embodiments of the present invention, it obtains and the manufacturer's cognizance code for distributing and managing is responsible for by Article Numbering Center of China,
Manufacturer's cognizance code is 7 to 10 bit digitals composition.It obtains and is worked out by manufacturer or establishment is responsible for by Article Numbering Center of China
Commodity item code, wherein commodity item code is made of 5 to 2 bit digitals.Manufacturer's cognizance code and commodity item code are total
12 bit digitals.
Step 202: in the case of manufacturer's cognizance code and commodity item code meet preset condition, biased exponent, root are set
According to biased exponent, manufacturer's cognizance code and commodity item code building check code；
In embodiments of the present invention, manufacturer's cognizance code and commodity item code are judged respectively, is identified in manufacturer
Code is made of 7 to 10 bit digitals, and commodity item code is made of 5 to 2 bit digitals, and manufacturer's cognizance code and commodity item
Code in the case of totally 12 bit digitals, determines that manufacturer's cognizance code and commodity item code meet preset condition.
Biased exponent is a character, can be 0, a, b, c, d, e, f, g, h, any one in i.Check code is one digit number
Word is arranged commodity item code, manufacturer's cognizance code and biased exponent by the sequence of right-to-left, increases by one not in right end
Number is known as check code, and right-to-left is numbered in sequence since check code, and the number on even number bit number is done addition
Operation, obtained operation result and preset data do multiplying, obtain the first calculated result, wherein preset data 3.Increase
Code is 0, represents data 0, and biased exponent is a to i, successively represents data 10 to 18.Since the odd bits that number is 3, by each odd number
Number on bit number does add operation, and obtained operation result and the first calculated result are done add operation, obtain the second meter
It calculates as a result, acquisition does subtraction with the second calculated result more than or equal to the second calculated result and the minimum number of the integral multiple for 10
Operation, obtained calculated result is as check code.
In embodiments of the present invention, with biased exponent for 0, manufacturer's cognizance code is 6901234, and commodity item code is 56789
It illustrates, commodity item code 56789, manufacturer's cognizance code 6901234, biased exponent 0 is arranged by the sequence of right-to-left,
Increase a unknown number in right end and is used as check bit X1, right-to-left number 1 to 14 in sequence, obtains since check bit
It is 0690123456789X to sequence1, the number on even number bit number is done into add operation i.e. 9+7+5+3+1+9=34, will
To operation result 34 and preset data 3 do multiplying, obtain the first calculated result 102.It is opened from the odd bits that number is 3
Begin, the number on each odd number bit number is done into add operation i.e. 8+6+4+2+0+6, obtained operation result 26 and first are calculated
As a result 102 add operation is done, obtains the second calculated result 128, obtain the integer for being more than or equal to the second calculated result and being 10
Minimum number 130 again, does subtraction with the second calculated result 128, and obtained calculated result 2 is used as check code.
Step 203: bar code symbol is generated according to biased exponent, manufacturer's cognizance code, commodity item code, check code.
In embodiments of the present invention, by check code, commodity item code, manufacturer's cognizance code and biased exponent according to right-to-left
Sequential concatenation generate bar code code specifically included according to bar code code building bar code symbol: bar code code is divided,
Using the first bit digital of right side as check code, five digit number is obtained since the second-order digit of right side, as right side data
Numerical value is accorded with, the 7th bit digital of right side is started to obtain six bit digitals, numerical value is accorded with as left data, obtains right side the 13rd
Position, the tenth four figures evidence, as preamble numerical value, wherein the 13rd bit digital of right side is obtained, as left data
Corresponding preamble numerical value is accorded with, the tenth four figures evidence of right side is obtained, as the corresponding preamble numerical value of right side data symbols.Root
Corresponding preamble numerical value is accorded with according to left data, according to left data symbol bar code character set alternation rule, by left-hand digit
It is converted into left data symbol according to symbol numerical value, according to the corresponding preamble numerical value of right side data symbols, according to right side data symbol commodity
Right side data symbols numerical value is converted right side data symbols by bar code character set alternation rule.By check code be converted into corresponding two into
Data processed.By the corresponding binary number of data each in bar code code, according to left side blank area, starting character, left data symbol, centre
Separator, right side data symbols, check character, full stop, right side blank area, worker identify that character is sequentially generated bar code symbol.
In embodiments of the present invention, by check code 2, commodity item code 56789, manufacturer's cognizance code 6901234 and increasing
Code 0 generates bar code code 06901234567892 according to the sequential concatenation of right-to-left, by bar code code 06901234567892
It is divided, using the first bit digital of right side as check code, five digit number 56789 is obtained since the second-order digit of right side, it will
It is used as right side data symbols numerical value, the 7th bit digital of right side is started to obtain six bit digitals 901234, as left data
Numerical value is accorded with, right side the 13rd and the tenth four figures evidence are obtained, as preamble numerical value, wherein the 13rd digit of right side
Word 6 accords with corresponding preamble numerical value as left data, and the tenth four figures of right side is according to 0, as right side data symbols pair
The preamble numerical value answered.Corresponding preamble numerical value 6 is accorded with according to left data, from left data symbol bar code character set
In alternation rule such as table 1, selection is corresponding to be arranged as ABBBAA.
The alternation rule of 1 left data of table symbol bar code character set
According to arrangement ABBBAA from bar code character set binary representation such as table 2, obtains left data and accord with numerical value 901234
In the corresponding binary data of each character, wherein 9 corresponding 0001011 be represented in binary as in A subset, 0 corresponding two into
0100111,1 corresponding 0110011 be represented in binary as in B subset that tabulation is shown as in B subset, 2 corresponding binary forms
0011011 be shown as in B subset, 3 corresponding 0111101 be represented in binary as in A subset, 4 corresponding are represented in binary as A
0100011 in subset, each binary data is combined into left data symbol.
The binary representation of 2 bar code character set of table
According to the corresponding preamble numerical value 0 of right side data symbols, advised from the selection of right side data symbol bar code character set
It then is arranged as CCCCCC as in table 3, selection is corresponding, according to arrangement CCCCCC from bar code character set binary representation such as table 2,
The corresponding binary data of each character in right side data symbols numerical value 56789 is obtained, right side data symbols are obtained.Check code is used into C
Subset indicates, obtains corresponding binary data.The corresponding binary data of data each in bar code code is generated into bar code symbol.
The alternation rule of 3 right side data symbols bar code character set of table
In second aspect of the present invention, a kind of bar code code device is provided, as shown in Figure 2, comprising:
Module 401 is obtained, for obtaining the manufacturer's cognizance code and commodity item code of user's input；
In embodiments of the present invention, module 401 is obtained, for obtaining manufacturer's cognizance code of user's input, manufacturer's identification
Code is responsible for distributing and be managed by Article Numbering Center of China, which is 7 to 10 bit digitals composition.Obtain user
The commodity item code of input, commodity item code are worked out by manufacturer or are responsible for establishment by Article Numbering Center of China,
In, commodity item code is made of 5 to 2 bit digitals.Manufacturer's cognizance code and commodity item code totally 12 bit digital.
Correction verification module 402, for being arranged in the case of manufacturer's cognizance code and commodity item code meet preset condition
Biased exponent, according to the biased exponent, manufacturer's cognizance code, the commodity item code building check code；
In embodiments of the present invention, correction verification module 402, for being made of in manufacturer's cognizance code 7 to 10 bit digitals, commodity
Item code is made of 5 to 2 bit digitals, and manufacturer's cognizance code and commodity item code be in the case of totally 12 bit digitals, if
Biased exponent is set, according to the biased exponent, manufacturer's cognizance code and the commodity item code building check code.
One character is set as biased exponent, can be 0, a, b, c, d, e, f, g, h, any one in i.Check code is one
Bit digital is arranged commodity item code, manufacturer's cognizance code and biased exponent by the sequence of right-to-left, increases by one in right end
The unknown number in position is used as check code, and right-to-left is numbered in sequence since check code, and the number on even number bit number is done
Add operation, obtained operation result and preset data do multiplying, obtain the first calculated result, wherein preset data is
3.Biased exponent is 0, represents data 0, and biased exponent is a to i, successively represents data 10 to 18.It, will be each since the odd bits that number is 3
Number on odd number bit number does add operation, and obtained operation result and the first calculated result are done add operation, obtains
Two calculated results obtain the minimum number for being more than or equal to the second calculated result and the integral multiple for 10, do with the second calculated result
Subtraction, obtained calculated result is as check code.
In embodiments of the present invention, with biased exponent for 0, manufacturer's cognizance code is 6901234, and commodity item code is 56789
It illustrates, commodity item code 56789, manufacturer's cognizance code 6901234, biased exponent 0 is arranged by the sequence of right-to-left,
Increase a unknown number in right end and is used as check bit X1, right-to-left number 1 to 14 in sequence, obtains since check bit
It is 0690123456789X to sequence1, the number on even number bit number is done into add operation i.e. 9+7+5+3+1+9=34, will
To operation result 34 and preset data 3 do multiplying, obtain the first calculated result 102.It is opened from the odd bits that number is 3
Begin, the number on each odd number bit number is done into add operation i.e. 8+6+4+2+0+6, obtained operation result 26 and first are calculated
As a result 102 add operation is done, obtains the second calculated result 128, obtain the integer for being more than or equal to the second calculated result and being 10
Minimum number 130 again, does subtraction with the second calculated result 128, and obtained calculated result 2 is used as check code.
Bar code symbol generation module 403, for according to the biased exponent, manufacturer's cognizance code, the commodity item generation
Code, the check code generate bar code symbol.
In embodiments of the present invention, bar code symbol generation module 403, for knowing check code, commodity item code, manufacturer
Other code and biased exponent generate bar code code according to the sequential concatenation of right-to-left, according to bar code code building bar code symbol, specifically
It include: to divide bar code code, using the first bit digital of right side as check code, the acquisition five since the second-order digit of right side
Bit digital starts the 7th bit digital of right side to obtain six bit digitals, as left-hand digit as right side data symbols numerical value
According to symbol numerical value, right side the 13rd, the tenth four figures evidence are obtained, as preamble numerical value, wherein obtain right side the 13rd
Bit digital accords with corresponding preamble numerical value as left data, the tenth four figures evidence of right side is obtained, as right-hand component
According to the corresponding preamble numerical value of symbol.Corresponding preamble numerical value is accorded with according to left data, according to left data symbol bar code
Character set alternation rule converts left data symbol for left data symbol numerical value, according to the corresponding preposition yardage of right side data symbols
Value converts right side data symbols for right side data symbols numerical value according to right side data symbol bar code character set alternation rule.It will
Check code is converted into corresponding binary data.By the corresponding binary number of data each in bar code code, according to left side blank area,
Starting character, left data symbol, central seperating character, right side data symbols, check character, full stop, right side blank area, worker identify character
Be sequentially generated bar code symbol.
In embodiments of the present invention, by check code 2, commodity item code 56789, manufacturer's cognizance code 6901234 and increasing
Code 0 generates bar code code 06901234567892 according to the sequential concatenation of right-to-left, by bar code code 06901234567892
It is divided, using the first bit digital of right side as check code, five digit number 56789 is obtained since the second-order digit of right side, it will
It is used as right side data symbols numerical value, the 7th bit digital of right side is started to obtain six bit digitals 901234, as left data
Numerical value is accorded with, right side the 13rd and the tenth four figures evidence are obtained, as preamble numerical value, wherein the 13rd digit of right side
Word 6 accords with corresponding preamble numerical value as left data, and the tenth four figures of right side is according to 0, as right side data symbols pair
The preamble numerical value answered.Corresponding preamble numerical value 6 is accorded with according to left data, from left data symbol bar code character set
In alternation rule such as table 3, selection is corresponding to be arranged as ABBBAA.
The alternation rule of 3 left data of table symbol bar code character set
According to arrangement ABBBAA from bar code character set binary representation such as table 4, obtains left data and accord with numerical value 901234
In the corresponding binary data of each character, wherein 9 corresponding 0001011 be represented in binary as in A subset, 0 corresponding two into
0100111,1 corresponding 0110011 be represented in binary as in B subset that tabulation is shown as in B subset, 2 corresponding binary forms
0011011 be shown as in B subset, 3 corresponding 0111101 be represented in binary as in A subset, 4 corresponding are represented in binary as A
0100011 in subset, each binary data is combined into left data symbol.
The binary representation of 4 bar code character set of table
| Numerical character | A subset | B subset | C subset | D subset |
| 0 | 0001101 | 0100111 | 1110010 | 1011000 |
| 1 | 0011001 | 0110011 | 1100110 | 1001100 |
| 2 | 0010011 | 0011011 | 1101100 | 1100100 |
| 3 | 0111101 | 0100001 | 1000010 | 1011110 |
| 4 | 0100011 | 0011101 | 1011100 | 1100010 |
| 5 | 0110001 | 0111001 | 1001110 | 1000110 |
| 6 | 0101111 | 0000101 | 1010000 | 1111010 |
| 7 | 0111011 | 0010001 | 1000100 | 1101110 |
| 8 | 0110111 | 0001001 | 1001000 | 1110110 |
| 9 | 0001011 | 0010111 | 1110100 | 1101000 |
According to the corresponding preamble numerical value 0 of right side data symbols, advised from the selection of right side data symbol bar code character set
It then is arranged as CCCCCC as in table 5, selection is corresponding, according to arrangement CCCCCC from bar code character set binary representation such as table 4,
The corresponding binary data of each character in right side data symbols numerical value 56789 is obtained, right side data symbols are obtained.Check code is used into C
Subset indicates, obtains corresponding binary data.The corresponding binary data of data each in bar code code is generated into bar code symbol.
The alternation rule of 5 right side data symbols bar code character set of table
The method used through the invention, by implying coding techniques, makes zero in the case where not changing bar code full size
Selling bar code increases to 14, in the case where not increasing cost, has expanded resource, and existing bar code distribution resource can be made to be delayed
Solution.First be 0 when, it is compatible with EAN-13 bar code, first respectively A, B, C, D, E, F, G, H, I when, extendible resource, expansion
Fill coded character set.
Although above having used general explanation and specific embodiment, the present invention is described in detail, at this
On the basis of invention, it can be made some modifications or improvements, this will be apparent to those skilled in the art.Therefore,
These modifications or improvements without departing from theon the basis of the spirit of the present invention are fallen within the scope of the claimed invention.
Claims (10)
1. a kind of bar code coding method characterized by comprising
Obtain the manufacturer's cognizance code and commodity item code of user's input；
In the case of manufacturer's cognizance code and the commodity item code meet preset condition, biased exponent is set, according to institute
State biased exponent, manufacturer's cognizance code and the commodity item code building check code；
Bar code symbol is generated according to the biased exponent, manufacturer's cognizance code, the commodity item code, the check code.
2. the method as described in claim 1, which is characterized in that manufacturer's cognizance code and the commodity item code meet
Preset condition, comprising:
Manufacturer's cognizance code is made of 7 to 10 bit digitals, and the commodity item code is made of 5 to 2 bit digitals, and institute
State manufacturer's cognizance code and the commodity item code totally 12 bit digital.
3. the method as described in claim 1, which is characterized in that the setting biased exponent, comprising:
From 0, a, b, c, d, e, f, g, h obtain any one character as biased exponent in i.
4. method as claimed in claim 3, which is characterized in that the biased exponent is 0, represents data 0, and biased exponent is a to i, successively
Represent data 10 to 18.
5. the method as described in claim 1, which is characterized in that it is described according to the biased exponent, it is manufacturer's cognizance code, described
Commodity item code building check code, comprising:
It by commodity item code, manufacturer's cognizance code and biased exponent, is arranged by the sequence of right-to-left, increases by one not in right end
Number is known as check code, and right-to-left is numbered in sequence since the check code, and the number on even number bit number is done
Add operation, obtained operation result and preset data do multiplying, obtain the first calculated result, the odd number for being 3 from number
Position starts, and the number on each odd number bit number is done add operation, obtained operation result and first calculated result are done
Add operation obtains the second calculated result, obtains the minimum for being more than or equal to second calculated result and the integral multiple for 10
Number, does subtraction with second calculated result, obtained calculated result is as check code.
6. the method as described in claim 1, which is characterized in that it is described according to the biased exponent, it is manufacturer's cognizance code, described
Commodity item code, the check code generate bar code symbol, comprising:
By the check code, the commodity item code, manufacturer's cognizance code and the biased exponent, according to the suitable of right-to-left
Sequence splicing generates bar code code, according to the bar code code building bar code symbol.
7. method as claimed in claim 6, which is characterized in that described according to the bar code code building bar code symbol, comprising:
From the bar code code, right side data symbols numerical value is obtained, left data accords with numerical value, the corresponding preamble of left data symbol
Numerical value and the corresponding preamble numerical value of right side data symbols；
Corresponding preamble numerical value is accorded with according to the left data, is selected according to preset left data symbol bar code character set
With rule, left data symbol is converted by left data symbol numerical value；
According to the corresponding preamble numerical value of the right side data symbols, selected according to preset right side data symbol bar code character set
With rule, right side data symbols are converted by the right side data symbols numerical value；
Corresponding binary data is converted by the check code, as check character；
According to left data symbol, the right side data symbols, the check character, according to left side blank area, starting character, left-hand digit
Identify that character is sequentially generated item according to symbol, central seperating character, right side data symbols, check character, full stop, right side blank area, worker
Code sign.
8. a kind of bar code code device characterized by comprising
Module is obtained, for obtaining the manufacturer's cognizance code and commodity item code of user's input；
Correction verification module, in the case of manufacturer's cognizance code and the commodity item code meet preset condition, if
Biased exponent is set, according to the biased exponent, manufacturer's cognizance code and the commodity item code building check code；
Bar code symbol generation module, for according to the biased exponent, manufacturer's cognizance code, the commodity item code, described
Check code generates bar code symbol.
9. device as claimed in claim 8, which is characterized in that the correction verification module is used in manufacturer's cognizance code by 7
It is formed to 10 bit digitals, the commodity item code is made of 5 to 2 bit digitals, and manufacturer's cognizance code and the quotient
In the case of totally 12 bit digitals, biased exponent is arranged, according to the biased exponent, manufacturer's cognizance code and the commodity in product item code
Item code generates check code.
10. a kind of computer readable storage medium, which is characterized in that it is stored with program in the computer readable storage medium,
Described program is for realizing the bar code coding method as described in claim 1 to 7.
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| CN112990404A (en) * | 2021-02-08 | 2021-06-18 | 北京声智科技有限公司 | Method and device for generating sample identification code pattern, acquisition method and electronic equipment |
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