1. Project introduction
Project introduction : The applet mainly provides users with three functions: selling books, buying books, and background management. It mainly includes five modules: home page, category page, book selling page, shopping cart, and personal center. Users can select books on the homepage and category pages to add to the purchase cart for purchase, and sell second-hand books by scanning codes or entering ISBN codes.
Technical points : This project is based on Vant UI components and WeChat applet cloud development technology, mainly using JavaScript, wxml, and wxss languages.
Data and cloud functions are stored on the cloud development that comes with the WeChat applet.
Main tools : WeChat developer tools
2. Project flow chart
3. Overall functional design diagram
This small program mainly has 5 main pages, home page, category, shopping cart, book selling, and personal center. Its main functions are shown in the figure below
4. Program function display
1.1 Book buying module
1.1.1 Home search book selection
(1) Open the mini program and enter the home page → click the search box to search for the corresponding book (you can also directly click the book displayed on the home page to purchase) (2) Enter the product details page → select the
specification and quantity you want to buy, and click Add to Cart
(3 ) Enter the shopping cart and choose to buy books → click the submit order button to jump to the page and select the address to add notes
(4) After filling in the information, click to place an order → click to pay immediately
(5) After entering the password, the order is completed → the shopping cart is cleared
1.1.2 Buying books on category interface
In the classification interface, select the books used in this grade by selecting the college, grade, and class → click the book you want to buy, and select the specification and quantity... (the operation is the same as 1.1.1 after entering the product details page)
1.2 Book selling module
(1) Enter the book selling interface → view the book selling rules
(2) Scan the QR code to sell books/enter the ISBN code to sell books
(3) Add books to the book selling shopping cart by any of the above methods → click submit and enter the next page Single interface, fill in the information and click Submit
1.3 Personal page module
(1) Enter the "My" interface → click the corresponding icon in the row of book purchase orders to see the corresponding order information
(2) Click any order to see all the information of the order → click the Add Evaluation button to evaluate the product
(3 ) Click to confirm the evaluation and the evaluation is successful → return to the book order interface
(4) Click "Pending Shipment" to view the order → click the reminder delivery button to enter the customer service dialogue interface
(5) Return to the "My" interface → click the corresponding icon in the row of book sales orders to see the corresponding order information
(6 ) Click "Pending Pickup/Pending Review/Waiting to Receive" to see the corresponding order → click any order to see all the information of the order (
7) Return to the "My" interface → click "Address Management" to add, delete, check and modify Information
(8) Click the + sign in the upper right corner of the "Address Management" page to add address information → click Save
(9) Long press the address information to modify, delete, and copy functions
(10) Return to the "My" interface → click the "Contact Customer Service" button to enter the customer service interface
(11) Return to the "My" interface → click the "Feedback" button Enter the feedback interface
1.4 Merchant Management Module
(1) Enter the "My" interface → click "Merchant Management" and enter the login account password to enter the front end of the main page to modify the product and order information
(2) Enter the main page → click "Upload Product" to enter the upload product interface
(3) After entering the content, click OK to return to the main page → click the "Order Management" button
(4.1) To manage book purchase orders, click Book Order→Click Order to view the order details. Click Call in the order details to jump to the page and make a call directly. Click Order Shipped to change the order to pending delivery.
(4.2) If managing book sales orders, click the book sales order button → click any order to view the order details
(4.3) click the "order has been reviewed" button → the order status is changed to pending arrival
(5) click to return to the main page → click "Commodity Management" button
(6) Click the book to be modified to enter the modification page → submit after modification and return to the main interface of merchant management
1.5 Sign in module
5. Cloud development background database structure
