JP2003187122A - Commodity sales server system, program therefor, and commodity sales site providing method - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To avoid a state that the total sum of commodities desired to buy exceeds an estimated cost. <P>SOLUTION: A commodity sales server system transmits screen information to a client computer so that a cart content summary screen 56 for displaying the estimated cost balance and a shopping information first screen 51 for displaying shopping information are displayed in different frames of the same page. Accordingly, a user can easily confirm the balance of the preset estimated cost by watching the cart content summary screen 56 displayed in a different frame in the same page on the way to make a shopping on the shopping information first screen 51. Accordingly, the user can continue the shopping while grasping the estimated cost balance, and avoid that the total sum exceeds the estimated cost. <P>COPYRIGHT: (C)2003,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a product selling server system and a program therefor for providing a site where a user can purchase a product using a client computer.
It also relates to a method for providing a site for selling goods for providing such a site.

[0002]

2. Description of the Related Art Conventionally, online shopping is known in which a user uses a client computer to put products into a virtual shopping cart while shopping. Specifically, for example, shopping is performed in the following procedure. That is, when a user connects a client computer to the Internet and accesses a predetermined product sales site, the product sales server system sends a shopping information display screen to the user's client computer. When the user puts the product desired to be purchased in the virtual shopping cart on the shopping information display screen, the client computer transmits the product put in the virtual shopping cart to the product sales server system, and the product sales server which receives this receives the product. The database is searched based on the products placed in the virtual shopping cart, and the price of the products is stored as information about the contents of the virtual shopping cart. After that, every time the user adds a desired product to the virtual shopping cart on the shopping information display screen, the product sales server searches based on the product added to the virtual shopping cart and additionally records the price of the product.

[0003]

However, when shopping is continued while putting a plurality of products in the virtual shopping cart on the product sales site, the total price of the products may be higher than expected. In that case, Had the problem that it took time and effort to cancel the purchase request for one of the products, and shopping could not be carried out smoothly. Further, although some shopping information screens display the total amount of money in the virtual shopping cart in a frame, the total amount of money may still exceed the budget, in which case there is the same problem as before.

The present invention has been made in view of the above problems, and provides a product sales server system or a product sales site providing method which can prevent the total amount of desired products from exceeding the budget amount. That is one of the purposes. It is another object of the present invention to provide a program for causing a computer to function as such a server system for selling goods.

[0005]

[Means for Solving the Problem and Its Action / Effect] In order to achieve at least one of the above-mentioned objects, the first aspect of the present invention is to provide a site where a user can purchase a product using a client computer A server system for sale, wherein the budget amount set by the user and the desired product desired to be purchased by the user are received from the client computer, and the budget is calculated by subtracting the total amount of the desired product from the budget amount. Screen information creation for creating screen information such that the budget balance calculation means for calculating the balance, the budget balance display screen for displaying the budget balance, and the shopping information display screen for displaying information about shopping are in different frames on the same page Means and transmitting means for transmitting the screen information to the client computer. It is.

The product selling server system transmits screen information to the client computer so that the budget balance display screen and the shopping information display screen are in different frames on the same page. For this reason, the user can easily confirm the balance of the preset budget amount by looking at the budget balance display screen displayed in a different frame on the same page while shopping on the shopping information display screen. Therefore, the user can continue shopping while grasping the budget balance, and the total amount of money can be prevented from exceeding the budget.

The "shopping information display screen" may be, for example, one of a plurality of screens from a category of products to a hierarchically individual product, or a table format or It may be a screen in which a plurality of products are lined up in a bulleted form. Further, the “commodity name” may be any name that can identify the product, and examples thereof include the name given to the product, the model number given to the product, and the category to which the product belongs. Further, the “client computer” may be any computer such as desktop type, tower type, notebook type, mobile type, etc., and may be a mobile phone or the like. Furthermore, the budget balance display screen and the shopping information display screen may be always displayed on the same page on the client computer, or may be displayed temporarily (for example, on the user's request) on the same page. You may The same applies to the second and subsequent aspects of the present invention.

In the first server system for selling goods according to the present invention, the budget balance display screen may display the budget amount. By doing this, the user can check the budget amount set by himself / herself by looking at the budget balance display screen.

In the first product selling server system of the present invention, the budget balance display screen may display at least one of a product name, a quantity, and a price for each desired product to be purchased. In this way, the budget balance display screen makes it possible to easily grasp various information useful for the user to select a product, such as the product name, quantity, and price of each purchased product, in addition to the budget balance.

In the first product sales server system of the present invention, the budget balance display screen may display at least the product name, quantity, and price in a table format for each of the desired products to be purchased. In this way, the user can easily understand the information by looking at the budget balance display screen, because the information is summarized in the table format for each product.

In the first product sales server system of the present invention, the budget balance display screen may include a budget input field for a user to set a budget amount. In this way, the budget can be easily entered using the budget entry field in the frame of the budget balance display screen. In addition, the budget can be easily changed during shopping on the shopping information display screen. However, instead of or in addition to providing the budget input field on the budget balance display screen, the budget amount may be set on another screen.

[0012] In the first product selling server system of the present invention, the shopping information display screen may display a product whose price does not exceed the budget balance in a user selectable manner. This will reduce the likelihood that the user will want to purchase a product whose price exceeds the budget balance,
It is possible to effectively prevent the total amount of desired products to be purchased from exceeding the budget amount.

A second aspect of the present invention is a merchandise selling server system which provides a site where a user can purchase merchandise using a client computer, wherein a budget amount set by the user and a purchase request desired by the user. Receiving means for receiving a product from a client computer, budget balance calculating means for calculating a budget balance by subtracting the total amount of the desired product from the budget amount, and a user selecting a product having a price not exceeding the budget balance. It is provided with screen information creating means for creating screen information of the shopping information display screen displayed in a possible manner, and sending means for sending the screen information to the client computer.

The server system for selling goods sends screen information of a shopping information display screen for displaying, in a user-selectable manner, goods whose price does not exceed the budget balance to the client computer. Therefore, it is less likely that the user desires to purchase a product whose price exceeds the budget balance, and it is possible to effectively prevent the total amount of desired products from exceeding the budget amount. For example, the shopping information display screen may be displayed so that the user can select only the products whose price does not exceed the budget balance so that only the products that do not exceed the budget balance can be selected. It may be displayed so that the products having the price exceeding the above are not selectable, or the products having the price not exceeding the budget balance and the products having the price exceeding the budget balance may be displayed separately. By doing so, it is possible to effectively prevent the total amount of the desired product for purchase from exceeding the budget amount.

In the first or second product sales server system of the present invention, the transmitting means may transmit an over budget notification to the client computer when the budget balance becomes negative. In this way, the user can easily know that the total amount of the desired product for purchase exceeds the preset budget amount. The “over budget notification” may be, for example, a sentence or voice indicating that the budget amount has been exceeded.

A third aspect of the present invention relates to a program for causing a computer to function as the first or second product sales server system of the present invention. This program
It may be recorded on a computer-readable recording medium (for example, a hard disk, ROM, FD, CD, DVD, etc.) or a transmission medium (Internet or LAN).
It may be transmitted from one computer to another computer via a communication network), or may be transmitted / received in any other form. If this program is executed by a computer of a product sales server system, the first aspect of the present invention can be obtained.
Alternatively, it is possible to obtain the same operational effect as the second product sales server system.

A fourth aspect of the present invention is a method for providing a site for sale of goods for providing a site where a user can purchase a product using a client computer, the budget amount set by the user and the purchase desired by the user. A desired product is received from the client computer, a budget balance is calculated by subtracting the total amount of the desired product from the budget amount, and a budget balance display screen that displays the budget balance and shopping information that displays information about shopping The screen information is transmitted to the client computer so that the screen becomes a different frame on the same page.

In this product sales site providing method, screen information is transmitted to the client computer such that the budget balance display screen and the shopping information display screen are in different frames on the same page. For this reason, the user can easily confirm the balance of the preset budget amount by looking at the budget balance display screen displayed in a different frame on the same page while shopping on the shopping information display screen. Therefore, the user can continue shopping while grasping the budget balance, and the total amount of money can be prevented from exceeding the budget.

In the fourth merchandise selling site providing method of the present invention, the budget balance display screen may display the budget amount. By doing this, the user can check the budget amount set by himself / herself by looking at the budget balance display screen.

In the fourth product sales site providing method of the present invention, the budget balance display screen may display at least one of a product name, a quantity and a price for each desired product to be purchased. In this way, the budget balance display screen makes it possible to easily grasp various information useful for the user to select a product, such as the product name, quantity, and price of each purchased product, in addition to the budget balance.

In the fourth product sales site providing method of the present invention, the budget balance display screen may display at least a product name, a quantity, and a price in a table format for each of the desired products to be purchased. In this way, the user can easily understand the information by looking at the budget balance display screen, because the information is summarized in the table format for each product.

In the fourth product sales site providing method of the present invention, the budget balance display screen may include a budget input field for the user to set a budget amount. In this way, the budget can be easily entered using the budget entry field in the frame of the budget balance display screen. In addition, the budget can be easily changed during shopping on the shopping information display screen. However, instead of or in addition to providing the budget input field on the budget balance display screen, the budget amount may be set on another screen.

In the fourth method for providing a site for selling goods according to the present invention, the shopping information display screen may display a product whose price does not exceed the budget balance in a user selectable manner. This will reduce the likelihood that the user will want to purchase a product whose price exceeds the budget balance,
It is possible to effectively prevent the total amount of desired products to be purchased from exceeding the budget amount.

A fifth aspect of the present invention is a method for providing a site for sale of goods for providing a site where a user can purchase an article by using a client computer, the budget amount set by the user and the purchase desired by the user. Shopping in which a desired product is received from a client computer, a budget balance is calculated by subtracting the total amount of the desired product to be purchased from the budget amount, and a product whose price does not exceed the budget balance is displayed in a user-selectable manner The screen information of the information display screen is transmitted to the client computer.

In this product sales site providing method, the screen information of the shopping information display screen for displaying the products whose prices do not exceed the budget balance in a user-selectable manner is transmitted to the client computer. Therefore, it is less likely that the user desires to purchase a product whose price exceeds the budget balance, and it is possible to effectively prevent the total amount of desired products from exceeding the budget amount. For example, the shopping information display screen may be displayed so that the user can select only the products whose price does not exceed the budget balance so that only the products that do not exceed the budget balance can be selected. It may be displayed so that the products having the price exceeding the above are not selectable, or the products having the price not exceeding the budget balance and the products having the price exceeding the budget balance may be displayed separately. By doing so, it is possible to effectively prevent the total amount of the desired product for purchase from exceeding the budget amount.

In the fourth or fifth product sales site providing method of the present invention, when the budget balance becomes negative, a budget excess notification may be transmitted to the client computer. In this way, the user can easily know that the total amount of the desired product for purchase exceeds the preset budget amount.

[0027]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Next, embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a configuration diagram showing an outline of a configuration of a product sales server system 10 of the present embodiment.
In this embodiment, the virtual shopping cart used for Internet shopping is simply referred to as a shopping cart or a cart.

The product selling server system 10 includes a shopping server 20 and a shopping DB 22 connected to the shopping server 20 (DB is an abbreviation for database,
Hereinafter the same), a management server 30, and a management DB 32 connected to the management server 30, and each server 20,
30 and each of the DBs 22 and 32 are communicatively connected by the LAN 12.

The shopping server 20 is a Web server that operates a shopping site for selling personal computers. This shopping server 20 is the Internet 1
In response to a request from the client computer 40 connected via 4, the various information necessary for the shopping site is transmitted or recorded in the shopping DB 22. The shopping DB 22 is connected to the shopping server 20, and has a member DB 22a and a product DB 22b.
And an order DB 22c. Member DB 22a
Is a database that records information about online shopping members.
D, a password for logging in to the shopping site, a name, an address, an email address, etc. are stored. The product DB 22b is a database that records products handled at shopping sites, and stores product codes, product categories, product names, product description contents, prices, stock status, and the like. The order DB 22c is a database that records the contents of orders received through online shopping.

The management server 30 is a server for collecting and managing various data. The management DB 32 is the management server 3
0, and has a member master 32a and a product master 32b. Member master 32a is shopping D
The basic data of the member DB 22a in B22 is recorded, and the product master 32b records the basic data of the product DB 22b in the shopping DB 22. The management server 30 performs the work of reflecting the contents of the management DB 32 in the shopping DB 22 and vice versa on a regular basis or at an appropriate timing. For example, shopping DB2
2 member DB 22a, member master 32a of management DB 32
The latest product information by reflecting the newly registered member information, the registered member correction information, etc. in the member master 32a by reflecting it in the product DB 32b and the product master 32b in the management DB 32 in the product DB 22b in the shopping DB 22. Is stored in the shopping DB 22. The function of the management server 30 may be included in the shopping server 20.

Next, the operation of online shopping will be described with reference to the flowchart of FIG. When the client computer 40 accesses the shopping site provided by the merchandise selling server system 10 via the Internet 14, the shopping server 20 reads the merchandise selling processing program of FIG. 2 from the internal memory and executes it.

The shopping server 20 first sends the shopping information first screen 51 and the cart contents overview screen 56 to the client computer 40 so that they are displayed on the same page in different frames (step S100).
Then, the client computer 40 receives this and displays the shopping information first screen 51 and the cart contents overview screen 56 on the same page in different frames on the same screen. As shown in FIG. 3, the shopping information first screen 5
1 is a frame screen that introduces each line-up product of multiple series (“XX series” and “XX series”) with images, and the cart contents overview screen 56 is for each product placed in the shopping cart. The product summary table 57 that displays the product name, quantity, and price (price including shipping and consumption tax) in a table format, and the budget entry field for the user to enter the budget amount for shopping and this budget entry field 9 is a frame screen including a budget-related table 58 having a budget balance display field showing a budget balance obtained by subtracting the total amount of desired products from the budget amount. Immediately after the access, since the cart contents are empty, the numerical value corresponding to each item of the cart contents overview screen 56 is represented as "-".

Subsequently, the shopping server 20 determines whether or not the request from the client computer 40 has been received (step S110). If not received, the shopping server 20 waits as it is, and when received, the request from the client computer 40 is received. It is determined whether it is an order request or a product selection request (step 120). The operation when the request from the client computer 40 is an order request will be described later. However, when the user clicks the "order" button 60 when the contents of the cart are empty, although not shown, the fact that there is no order content is displayed on the screen of the client computer 40, and then the process returns to step S100.

In step S120, when the request from the client computer 40 is a product selection request, that is, when the user clicks one of the personal computer images in the first shopping information screen 51, the client computer 40 relates to the clicked product. When the detailed information is requested from the shopping server 20, the product DB 22b in the shopping DB 22 for the product.
To retrieve detailed information about the product from the product DB 22b, and display an image of the product, a product description, and a subtotal (unit price × quantity) of the product according to the quantity, shipping cost, consumption tax, and their total. Shopping information second screen 5
2 is created (step S130), and the shopping information second screen 52 and the cart contents overview screen 56 are transmitted to the client computer 40 so that they are displayed in different frames on the same page (step S140). Then,
The client computer 40 receives this and displays the shopping information second screen 52 and the cart contents overview screen 56 on the screen in different frames on the same page. For example, on the first shopping information screen 51, the user may select “○○
When “Note PC” of “Series” is selected, as shown in FIG. 4, in addition to the product description of “Note PC” of “XX series”, the shopping information second screen 52 is displayed.
The subtotal (unit price x quantity) of the product according to the quantity, shipping fee, consumption tax, and their total are displayed.

Subsequently, the shopping server 20 determines whether or not the request from the client computer 40 has been received (step S150). If the request has not been received, the shopping server 20 waits as it is, and when it receives the request from the client computer 40. It is determined whether it is a return request for returning to the previous screen or a purchase request by clicking the "Add to shopping cart" button 53 on the second shopping information screen 52 (step 160). Then, if the request from the client computer 40 is a return request, the process returns to step S100, and the shopping computer first screen 51 and the cart contents summary screen 56 are again displayed to the client computer 40 so as to be displayed in different frames on the same page. Send. On the other hand, when the request from the client computer 40 is a purchase request, it is determined whether or not a budget is entered in the budget entry field on the cart contents summary screen 56 (step S17).
0) If the budget is not entered in the budget entry field,
A message prompting for budget input is sent to the client computer 40 (step S180), and then the process returns to step S140 again so that the second shopping information screen 52 and the cart contents overview screen 56 are displayed in different frames on the same page. Send to computer 40.

On the other hand, when the budget is entered in the budget entry field in step S170, the cart contents summary screen 56
Is updated (step S190). That is, the product name, the quantity, and the amount of money (amount of shipping and tax) for each product the user desires to purchase are embedded in the product-by-product summary table 57 of the cart contents overview screen 56, and the user has so far requested the purchase. By calculating the budget balance by subtracting the total amount of the products from the budget amount input in the budget input field and embedding the budget balance in the budget balance display field of the budget related table 58, the cart contents summary screen 56 is updated. After that, the process returns to step S100 again, and the client computer 40 is displayed so that the shopping information first screen 51 and the cart contents overview screen 56 are displayed in different frames on the same page.
Send to. The user can change the quantity column in the second shopping information screen 52, and when the user clicks the "Add to shopping cart" button 53 in the second shopping information screen 52, the second shopping information screen 52 is displayed. It means that the customer wants to buy the product displayed in the quantity indicated in the above, and the total amount corresponding to the quantity is displayed.

The shopping server 20 proceeds to step S1.
After updating the cart contents overview screen 56 at 90, the process returns to step S100 again, and the shopping information first screen 51 and the updated cart contents overview screen 56 are transmitted to the client computer 40. Then, as shown in FIG. 5, on the screen of the client computer 40, the shopping information first screen 51 and the updated cart contents summary screen 56 are displayed.
And are displayed as separate frames on the same page. On the cart contents overview screen 56, a product-specific summary table 57 is displayed for each product placed in the cart, and a budget-related field including a budget input field in which the budget amount is displayed and a budget balance field in which the budget balance is displayed. A table 58 is displayed.

After that, when the user desires to purchase another product, he / she clicks one of the personal computer images on the first shopping information screen 51. Then, the client computer 40 requests detailed information about the product from the shopping server 20, and thus the shopping server 20 repeats the processing from step S130.
When the purchase request is received in step S160, the cart contents summary screen 56 is updated according to the request (step S190), and the process returns to step S100 again.
The first shopping information screen 51 and the updated cart contents overview screen 56 are transmitted to the client computer 40. For example, the user clicks "Tower PC" of "XX series" on the shopping information first screen 51 and changes the quantity to "2" set on the shopping information second screen 52 for the product as shown in FIG. Then, if the "Add to shopping cart" button 53 is clicked, a shopping information first screen 51 and an updated cart contents summary screen 56 are displayed on the screen of the client computer 40 as shown in FIG. Is displayed. On the cart contents overview screen 56, a product-specific overview table 57 is displayed for each product added to the cart, and a budget-related field including a budget input field in which the budget amount is displayed and a budget balance field in which the budget balance is displayed. A table 58 is displayed.

Now, when the contents received from the client computer 40 in step S120 is an order request, the shopping server 20 decides to purchase all the products put in the shopping cart by the user, and the shopping cart summary screen 56. Client computer 40 by clicking the "Order" button 60
Has sent an order request, a payment method determination routine (step S210), a delivery destination determination routine (step S220), and an order content confirmation routine (step S).
230) is executed and this program is terminated. Here, the payment method determination routine is a processing routine in which a screen for allowing the user to select one payment method from a plurality of payment methods is transmitted to the client computer 40, and the selection result is received from the client computer 40. The delivery destination determination routine is a processing routine in which a screen for prompting the user to enter a delivery destination (name, address, etc.) is transmitted and the input result is received from the client computer 40. In this delivery destination determination routine, the user who has already registered as a member of this shopping site is required to enter only the ID and password, and the member DB 22a is searched based on the ID and password to read out the delivery destination to notify the member. It may be possible to save the trouble of inputting. For users who have not registered as members, membership registration may be performed at the same time when they are asked to input their name, address, etc. In addition, the order content confirmation routine sends a confirmation screen of the order content to the client computer 40, and when the confirmation completion is received from the client computer 40, records the order content in the order DB 22c and displays a screen showing the acknowledgment to the client computer 40. It means a processing routine of transmitting.

When the user presses a "return" button (not shown) on each screen, the screen of the client computer 40 returns to the previous screen. Further, in the present embodiment, a “cart contents details” button 59 is provided below the cart contents overview screen 56, and when the user clicks this button 59, the client computer 40 requests the shopping server 20 for the cart contents details. Then, the shopping server 20 that receives the product code, product category,
A cart contents detail screen that displays the product description, price, stock status, etc. is transmitted to the client computer 40.
By looking at this cart contents details screen, the user
You can know the details of the contents of the cart.

Here, the correspondence relationship between the constituent elements of this embodiment and the constituent elements of the present invention will be clarified. The first shopping information screen and the second shopping information screen of this embodiment correspond to the shopping information display screen of the present invention, the cart contents summary screen corresponds to the budget balance display screen, and the shopping server 20 receives the means and calculates the budget balance. It corresponds to a means, a screen information creation means, and a transmission means.

According to the commodity sales server system 10 of this embodiment described in detail above, the cart contents summary screen 56 for displaying the budget balance and the shopping information first screen 51 (or the shopping information second screen) for displaying the shopping information. 52) and the screen information are transmitted to the client computer 40 so as to be in another frame on the same page, so that the user is displayed on the same page in another frame in the middle of shopping on the shopping information first screen 51 or the like. By viewing the cart contents summary screen 56, the balance of the preset budget amount can be easily confirmed. Therefore, the user can continue shopping while grasping the budget balance, and the total amount of money can be prevented from exceeding the budget.

In the cart contents summary screen 56, the budget related table 58 displays the budget amount in the budget input field in addition to the budget balance, and the product summary table 57 shows the product name, quantity and Since the price is displayed, the user can check the budget amount set by the user, and various information such as the product name, quantity, and price for each purchased product, which is useful for the user to select the product, can be easily stored. Can understand.

Further, the cart contents summary screen 56 has a budget input field for the user to set the budget amount in the budget related table 58, so that the user can easily input the budget and shopping. You can easily change your budget during. For example, when the budget is insufficient, a large amount of budget can be input again.

Although the embodiments of the present invention have been described above, it is needless to say that the present invention is not limited to the above-mentioned embodiments and can be implemented in various forms.

For example, the product sales server system 10 described above may be composed of only one server, may be composed of a plurality of servers, or may be composed of other devices (database, scanner, printer, etc.). Etc.) may be included.

In addition, in step S190 of the above embodiment, the cart contents overview screen 56 may be updated and the shopping information first screen 51 may be updated according to the budget balance.
Specifically, to update the shopping information first screen 51,
It is determined whether or not there is a product whose price exceeds the budget balance in the product group displayed on the shopping information first screen 51,
When there is no product whose price exceeds the budget balance, the shopping information first screen 51 is not updated, and when there is a product whose price exceeds the budget balance, the shopping information first screen 51 displays a product group excluding the product. You may update. Alternatively, instead of excluding a product whose price exceeds the budget balance, the product may be displayed in gray so that the user cannot select it as a desired product, or the product whose price does not exceed the budget balance and the product whose budget balance is exceeded. The priced product may be distinguished by different colors. Alternatively, even if the price of the product does not exceed the budget balance, it may exceed the budget balance depending on the desired quantity, and thus such quantity may not be input. This reduces the possibility that the user desires to purchase a product whose price exceeds the budget balance, and effectively prevents the total amount of the desired product from exceeding the budget amount. The shopping information first screen 51 without displaying the cart contents summary screen 56
The shopping information display screen such as the above may be updated according to the budget balance as described above, and in this case as well, it is possible to effectively prevent the total amount of desired products to be purchased from exceeding the budget amount.

Further, as one of the shopping information display screens, a screen may be prepared in which the user can select the specifications and options of the desired product for purchase from a predetermined product group. In this case, the predetermined product group As an alternative, it may be possible to prevent the selection of products exceeding the budget amount. For example, regarding the XX series notebook PC shown in FIG.
Clock frequency is 800MHz as a product group of CPU,
1 GHz, 1.5 GHz, 1.8 GHz, 2.0 GHz
CPUs of 1.5 GHz or higher can be displayed by deleting the CPUs of 1.5 GHz or higher from the product group when the CPU of 1.5 GHz or higher exceeds the budget amount. For example, it may be displayed in gray.

Furthermore, the shopping server 20 may first allow the user to input the budget amount and display only the products whose price does not exceed the budget amount from the beginning on the shopping information first screen 51 and the like. . The budget amount input field may be provided in the cart contents overview screen 56 or may be provided in a screen different from the cart contents overview screen 56.

And, again, the shopping server 20
When the budget balance becomes negative, the budget balance may be displayed in red to notify the user of the budget overrun, or the user may be notified of the budget overrun by a voice message or a text message.

Further, the cart contents summary screen 56 is
The client computer 40 is always displayed on the same screen as the shopping information screen, but temporarily (for example, a call button of the cart contents summary screen 56 is provided on the shopping information display screen and the user clicks the call button). It may be displayed on the same screen.

[Brief description of drawings]

FIG. 1 is a configuration diagram showing an outline of a configuration of a product sales server system of the present embodiment.

FIG. 2 is a flowchart of a product sales processing program.

FIG. 3 is an explanatory diagram in which a shopping first information screen and a cart contents overview screen are displayed on the same screen.

FIG. 4 is an explanatory diagram in which a second shopping information screen and a cart contents overview screen are displayed on the same screen.

FIG. 5 is an explanatory diagram in which a shopping first information screen and a cart contents overview screen are displayed on the same screen.

FIG. 6 is an explanatory diagram in which a second shopping information screen and a cart contents overview screen are displayed on the same screen.

FIG. 7 is an explanatory diagram in which a shopping first information screen and a cart contents overview screen are displayed on the same screen.

[Explanation of symbols]

10 ... Server system for selling goods, 12 ... LAN, 14
... Internet, 20 ... Shopping server, 22 ...
Shopping DB, 22a ... Member DB, 22b ... Product D
B, 22c ... Order DB, 30 ... Management server, 32 ... Management DB, 32a ... Member master, 32b ... Merchandise master, 40
... Client computer, 51 ... Shopping information first screen, 52 ... Shopping information second screen, 56 ... Cart contents summary screen.

Claims (21)

[Claims] 1. A merchandise selling server system for providing a site where a user can purchase merchandise using a client computer, wherein the budget amount set by the user and the desired merchandise desired by the user are purchased by the client computer. Receiving means for receiving from, a budget balance calculating means for calculating a budget balance by subtracting the total amount of the desired product from the budget amount, a budget balance display screen for displaying the budget balance and shopping for displaying information on shopping A product selling server system comprising: screen information creating means for creating screen information so that the information display screen is in a different frame on the same page; and a sending means for sending the screen information to the client computer. 2. The server system for selling goods according to claim 1, wherein the budget balance display screen displays the budget amount. 3. The product sales server system according to claim 1, wherein the budget balance display screen displays at least one of a product name, a quantity, and a price for each desired product to be purchased. 4. The product sales server system according to claim 1, wherein the budget balance display screen displays at least the product name, quantity, and price in a table format for each of the desired products for purchase. 5. The budget balance display screen has a budget input field for a user to set a budget amount.
The server system for selling goods according to any one of 1 to 4. 6. The product sales server system according to claim 1, wherein the shopping information display screen displays products of a price not exceeding the budget balance in a user selectable manner. 7. A commodity sales server system for providing a site where a user can purchase a commodity using a client computer, wherein the budget amount set by the user and the purchase desired commodity desired by the user are purchased by the client computer. Receiving means for receiving from, a budget balance calculating means for calculating a budget balance by subtracting the total amount of the desired product for purchase from the budget amount, and displaying a product having a price not exceeding the budget balance in a user selectable manner A server system for selling goods, comprising: screen information creating means for creating screen information of a shopping information display screen; and sending means for sending the screen information to the client computer. 8. The shopping information display screen is displayed so that the user can select only products whose price does not exceed the budget balance, or displays so that the user cannot select products whose price exceeds the budget balance. The server system for selling goods according to claim 6 or 7. 9. The commodity sales server system according to claim 6, wherein the shopping information display screen displays the commodity whose price does not exceed the budget balance and the commodity whose price exceeds the budget balance separately. 10. The server system for selling goods according to claim 1, wherein the transmitting means transmits an over budget notification to the client computer when the budget balance becomes negative. 11. A program for causing a computer to function as the commodity sales server system according to claim 1. 12. A product sales site providing method for providing a site where a user can purchase a product using a client computer, wherein the budget amount set by the user and the desired product to be purchased by the user are provided. The budget balance is calculated by subtracting the total amount of the desired product from the budget amount received from the client computer, and the budget balance display screen for displaying the budget balance and the shopping information screen for displaying information on shopping are on the same page. A method of providing a site for selling goods for transmitting screen information to the client computer so as to be in another frame. 13. The method for providing a product sales site according to claim 12, wherein the budget balance display screen displays the budget amount. 14. The method according to claim 12, wherein the budget balance display screen displays at least one of a product name, a quantity, and a price for each desired product to be purchased. 15. The method for providing a product sales site according to claim 12, wherein the budget balance display screen displays at least the product name, the quantity, and the price in a table format for each of the desired products to be purchased. 16. The product sales site providing method according to claim 12, wherein the budget balance display screen includes a budget input field for a user to set a budget amount. 17. The method for providing a product sales site according to claim 12, wherein the shopping information display screen displays products with prices not exceeding the budget balance in a user selectable manner. 18. A product sales site providing method for providing a site where a user can purchase a product using a client computer, wherein a budget amount set by the user and a desired product desired by the user are purchased by the client. Received from the computer,
The budget balance is calculated by subtracting the total amount of the desired product for purchase from the budget amount, and the screen information of the shopping information display screen for displaying the product of the price not exceeding the budget balance in a user selectable manner is the client computer. How to provide a site for selling goods to be sent to. 19. The shopping information display screen is displayed so that the user can select only products whose price does not exceed the budget balance, or displays so that the user cannot select products whose price exceeds the budget balance. Claim 17
Alternatively, the method for providing a product sales site according to item 18. 20. The shopping information display screen separately displays products whose price does not exceed the budget balance and products whose price exceeds the budget balance.
How to provide the listed site for selling products. 21. The product sales site providing method according to claim 12, wherein an over budget notification is transmitted to the client computer when the budget balance becomes negative.