Nowadays, with the rapid development of advanced science and technology, computer technology has been widely used in various fields of society. With the rapid development of computer technology and communication technology, the scale of the Internet is also gradually increasing, and the elements of the Internet are also gradually increasing. It can be used to develop communications, and can also be used for commercial purposes. It can be sold and purchased on the Internet , publicity and other operations, so that the Internet has gradually become an indispensable element in today's society, and the website is one of the huge elements in this.
Nowadays, the online mobile phone sales system is a very important road in commercial trade, which can liberate it from the traditional entity model, and online shopping can provide consumers with great convenience. Through the platform of the online mobile phone sales system, users can learn about current fashion trends and rich product information without leaving home, which provides users with great convenience. The main functions of the online mobile phone sales system include: product category management, Commodity information management, order management, user management, etc. The website is divided into two user platforms: administrators and member users. The online mobile phone sales system mainly uses MySQL as the database management system, and the development environment is Java. This is an online mobile phone sales system based on the B/S structure of Web technology. Realized an online mobile phone sales system website. It enables consumers to experience the fun of shopping on the online platform, and provides an e-commerce platform with efficient management, scientific decision-making, safety and effectiveness for online shopping.
The online mobile phone sales system is divided into two parts, one part is the user-oriented front-end part, including: user registration, login, viewing product information, shopping, submitting orders, querying products and other operations. The other part is the background management part of the website, which includes: deleting, changing, querying and managing the accounts of ordinary users, managing commodities, and managing orders.
The front desk subsystem provides users with the functions of registration and login, as well as browsing products, purchasing products, and using simulated payment after submitting an order to realize the purchase process of products. The background subsystem is used by the internal management personnel of the website. It can add new products, modify and adjust products, maintain product types, and manage users. Manage delivery of user orders, etc.
1. Front-end module design:
① Registration function. Users must first register to become a user of the website. When registering, they need to fill in 3 items of information: user name, email number, and password, and then click the "Register" button. If the registration is successful, it will prompt that the registration is successful and go to the user login interface, and the user information will be written into the user table in the database. If the registration fails, the reason for the failure will be prompted. After successful registration, the user can log in.
②Login function. If the user is a registered user of the website, he needs to fill in the email address and password before purchasing the product, and then click the "Login" button, and then the system will compare the information filled in by the user with the information filled in when the user registered in the database. If If it is consistent, the website will jump to the home page, and users can enjoy the purchased products on the website. If the information entered by the user is incorrect, the website will prompt the user that the information entered is incorrect.
③Commodity display function. The website extracts all product information from the database and displays it on the website. Users can browse the website and put their favorite products into the shopping cart. The system will extract the information of the product and add the information to the shopping cart table.
④Shopping cart function. After the user selects the product, he can enter the shopping cart page. The system will extract the user's shopping cart information from the shopping cart table and display it. The user can check the product he wants to buy here, or cancel the purchase of a certain product. At this time Item information will be removed from the shopping cart table.
⑤Order generation function. In the shopping cart module, after the user confirms the purchased product, click the "order generation" function to enter the order interface. On the checkout interface, the system will display the product information in the shopping cart table in the order and calculate the total price of the product purchased by the user based on the quantity purchased by the user and the unit price of the product. Next, the user only needs to fill in the receiving information to select payment and Shipping method and click the "Confirm Submit Order" button. After confirmation, the order will be generated, and the system will insert the order information into the order table and order item table in the database, and enter the payment page.
2. Background module design:
①User management function. The administrator clicks User Management on the homepage of the background to enter the user list page, and the system will display the user information in the database in the form of a list. The administrator can update and delete users on this page, and the system can update the latest The information is rewritten into the user table and replaces the original information, and the user's information can also be deleted from the data table.
②商品类别管理功能。管理员在后台点击商品分类按钮会进入商品分类界面，系统会将数据库中的商品分类信息以列表的形式展现出来，管理员可以对商品的分类进行排序，也可以在该页面点击添加新分类、编辑和删除按钮，同时系统会在数据库中对商品分类表中的数据进行相应的新增，更新和删除。
③商品信息管理功能。管理员在后台点击商品管理就会进入商品管理界面，系统会将数据库中的商品信息以列表的形式显示出来，管理员可以在该界面对商品进行添加、更新和删除的操作。在新增时，如果添加成功系统会提示新增成功同时将新商品信息添加进数据库中的商品表，如果添加失败，系统会提示失败的原因。当管理员对商品信息进行更新时，数据表中的商品信息也会随之更新。管理员删除商品，数据表中相应的商品信息也会随之删除。
④客户购物管理功能。管理员在后台点击订单管理就会进入订单管理界面，系统会从数据库中将订单信息提取出来，依列表的形式展现出来。管理员可以在该界面对订单的发货状态进行更改也可以删除订单，同时数据库中订单表中的订单状态也会更新，或者删除订单数据。
⑤新闻管理功能。网站会不定时的更新一些有关于时尚潮流趋势的新闻，用户也可以浏览这些新闻从中了解近期的时尚资讯。管理员在后台点击编辑新闻就会进入编辑新闻界面，系统会将新闻数据表中的数据提取出来显示在页面上，管理员可以在这里修改新闻，然后点击“保存修改”按钮进行保存，然后系统会同步更新新闻表中的内容并提示更新成功。
⑥商品资讯管理：管理员发布商品资讯后，普通用户便可以查询到该商品资讯，用户选择某个商品资讯，查询商品资讯，管理员审核添加，或删除商品资讯。
⑦购买须知管理功能。网站会不定时的更新一些有关于时尚潮流趋势的新闻，用户也可以浏览这些新闻从中了解近期的购买须知。管理员在后台点击编辑新闻就会进入编辑新闻界面，系统会将新闻数据表中的数据提取出来显示在页面上，管理员可以在这里修改新闻，然后点击“保存修改”按钮进行保存，然后系统会同步更新新闻表中的内容并提示更新成功。
