Blogger Introduction: ?300,000+ fans across the entire network, csdn guest author, blog expert, CSDN Rising Star Program mentor, high-quality creator in the Java field, Blog Star, Nuggets / Huawei Cloud / Alibaba Cloud / InfoQ and other platforms are high-quality authors, focusing on the field of Java technology and practical graduation projects?
Contact for source code at the end of the article
Recommended subscription for wonderful columns Otherwise, you won’t find it next time
The most comprehensive collection of computer software graduation project topics for 2022-2024: 1,000 popular topic recommendations?
Java project quality practical cases “100 sets”
Java WeChat Mini Program Project Practical “100 Sets”
If you are interested, you can save it first. If you have questions about graduation topics, projects, thesis writing and other related questions, you can leave me a message for consultation. I hope to help more people
?
System introduction:
In the 21st century, networks and computers have developed rapidly and are closely integrated with life. At present, the operating speed of the network has reached Gigabit, and the coverage has penetrated into every corner of life. This has prompted the development of online shopping systems. Online shopping can realize remote shopping, remotely select your favorite products and track the status of the order at any time. Online shopping brings people an unprecedented experience and meets the shopping needs of people in the new era, so the online shopping model has been vigorously developed.
This system is an online flower shop system based on Javaweb. It is an online shopping platform developed using computer and network technology. It can display, purchase, evaluate and leave messages for flowers. This system uses JAVA language, the database is Mysql, and the operating environment is Idea. The roles are divided into registered users, visitors, and administrators. The functions of this system include announcement information, flower information display and management, registered user management, order management, flower evaluation, forum, shopping cart management, etc. Among them, visitors are responsible for browsing information, registered users can purchase flowers, evaluate flowers, manage orders, and communicate in online forums, and administrators can manage all functions and personal information. This system realizes the online sales and purchase of flowers, which facilitates the interests of both buyers and sellers, improves sales and purchasing efficiency, and is more in line with modern life.
Keywords: Shopping cart, user registration, flower information management, SSM framework, Mysql database
The functional structure of the system is the framework for system implementation. The main structures of this system are administrators and users. The functions of the administrator include personal center management, announcement information management, category management, flower management, registered user management, order management, evaluation management, etc. User functions include online registration and login, announcement information browsing, flower information browsing, personal profile information management, my shopping cart management, my order management, online communication and flower evaluation. The user function structure diagram of this Javaweb-based online flower shop system is shown in Figure 4-1 below:
Figure 4-1 User function structure diagram of online flower shop system based on Javaweb
The user function structure diagram of the Javaweb-based online flower shop system is shown in Figure 4-2 below:
Figure 4-2 Javaweb-based online flower shop system administrator functional structure diagram
When the program is handed over to the user for use, the operation flow chart of the program needs to be provided, so that the user can easily understand the specific working steps of the program. Nowadays, the operation process of the program has a general standard, that is, first submit the login data through the login page, After the program is verified correctly, the user can operate the corresponding function on the program function operation area page.
?
Program operation flow chart
Function screenshot:
5.1 User registration function
The user registration function is designed to realize user operations. If you want to operate in the system, you need to become a registered user first, and visitors can only browse information. The user information field is set in the user registration function interface. The data in this interface is connected to the user information table. When a visitor successfully registers in this interface, the filled in information will be saved in the user information table. The running interface of the user registration function is shown in Figure 5-1 below:
Figure 5-1 Running interface of user registration function
5.2 Login function
After successful user registration, you need to log in. The purpose of the login interface design is to ensure the current user role level. Administrators also need to log in before they can operate. There are two interfaces for user login and administrator login. When logging in, you only need to fill in the user account and password. When logging in, the user needs to enter the account and password used during registration, and then the system will automatically compare the information with the data stored in the database. If the comparison is successful, the user can log in successfully. If the comparison is wrong, a corresponding error message will pop up. , the running interface for user login is shown in Figure 5-2 below:
Figure 5-2 Run interface for user login
The elements included in the administrator login interface include system questions, input boxes, and login buttons. The conditions for administrator login are account number, password, and identity. The running interface for administrator login is shown in Figure 5-3 below:
Figure 5-3 Administrator login running interface
5.3 Administrator functions
5.3.1 Registered user management
The information administrator after user registration can be seen in the registered user management function. The purpose of this function is to review the information of registered users. When improper use is found, users can delete their accounts. When the registered user information is deleted, the corresponding information in the user information table will also be deleted. The running interface of the registered user management function is shown in Figure 5-4 below:
Figure 5-4 Run interface of registered user management function
5.3.2 Member LevelManagement Functions
This function can manage membership levels, and different membership levels can enjoy different discounts. The running interface of the membership level management function is shown in Figure 5-5 below:
Figure 5-5 The running interface of the membership level management function
5.3.3 Announcement information management function
When the administrator adds or edits announcement information, the supplier information table in the database table will also change. The running interface for the announcement information management function is shown in Figure 5-6 below:
Figure 5-6 Run interface of announcement information management function
5.3.4 Flower classification managementFunction
This function can manage the classification of flowers and achieve organized management of flowers. The running interface of the classification management function is shown in Figure 5-7 below:
Figure 5-7 Classification management running interface
5.3.5 Order management function
After the user places an order, the administrator can receive it in this function. When the order is reviewed correctly, you can proceed to the next step. You can then arrange shipping and enter the order number. The running interface of the order management function is shown in Figure 5-8 below:
Figure 5-8 The running interface of the order management function
5.3.6 FlowersInformation Management Function
Flower information is updated by the administrator, and the release time can be displayed when publishing flower information. The running interface of flower information management is shown in Figure 5-9 below:
Figure 5-19 The running interface of the flower information management function
5.3.7Forum ManagementFunctions
Administrators can view forum information and can then reply. The implementation interface is shown in Figure 5-10 below:
Figure 5-10 Implementation interface of forum management function
5.4 User role function
5.4.1FlowersBrowse function
The user’s functions are mainly displayed at the front desk, where you can browse all categories of flowers. Flower details mainly display pictures, prices, and titles of flowers. The running interface of the flower information browsing function is shown in Figure 5-11 below:
Figure 5-11 Browse flowers running interface
5.4.2 Submit order function
Select flowers and click Purchase to jump to the order submission interface. In this interface, you need to fill in the delivery address. The running interface of the order submission function is shown in Figure 5-12 below:
Figure 5-12 The running interface for users to submit orders
5.4.3 Order management function
After submitting the order, the user can see the order information after the order in the personal background, and can make certain modifications. The running interface of the order management function is shown in Figure 5-13 below:
Figure 5-13 The running interface of the order management function
5.4.4 Shopping Cart Management Function
Users can choose to buy in the shopping cart and clear it. The implementation interface of the shopping cart management function is shown in Figure 5-14 below:
Figure 5-14 Implementation interface of shopping cart management function
5.4.5 CollectionManagement Function
Users can add products to their favorites, and then view their favorite product information, as shown in Figure 5-15 below:
Figure 5-15 Implementation interface of collection management function
Code implementation:
/**
* Login related
*/
@RequestMapping("users")
@RestController
public class UserController{
@Autowired
private UserService userService;
@Autowired
private TokenService tokenService;
/**
* Log in
*/
@IgnoreAuth
@PostMapping(value = "/login")
public R login(String username, String password, String role, HttpServletRequest request) {
UserEntity user = userService.selectOne(new EntityWrapper<UserEntity>().eq("username", username));
if(user != null){
if(!user.getRole().equals(role)){
return R.error("Permissions are abnormal");
}
if(user==null || !user.getPassword().equals(password)) {
return R.error("Account or password is incorrect");
}
String token = tokenService.generateToken(user.getId(),username, "users", user.getRole());
return R.ok().put("token", token);
}else{
return R.error("Account or password or permissions are incorrect");
}
}
/**
* register
*/
@IgnoreAuth
@PostMapping(value = "/register")
public R register(@RequestBody UserEntity user){
// ValidatorUtils.validateEntity(user);
if(userService.selectOne(new EntityWrapper<UserEntity>().eq("username", user.getUsername())) !=null) {
return R.error("User already exists");
}
userService.insert(user);
return R.ok();
}
/**
* quit
*/
@GetMapping(value = "logout")
public R logout(HttpServletRequest request) {
request.getSession().invalidate();
return R.ok("Exit successfully");
}
/**
* reset Password
*/
@IgnoreAuth
@RequestMapping(value = "/resetPass")
public R resetPass(String username, HttpServletRequest request){
UserEntity user = userService.selectOne(new EntityWrapper<UserEntity>().eq("username", username));
if(user==null) {
return R.error("Account does not exist");
}
user.setPassword("123456");
userService.update(user,null);
return R.ok("Password has been reset to: 123456");
}
/**
* list
*/
@RequestMapping("/page")
public R page(@RequestParam Map<String, Object> params,UserEntity user){
EntityWrapper<UserEntity> ew = new EntityWrapper<UserEntity>();
PageUtils page = userService.queryPage(params, MPUtil.sort(MPUtil.between(MPUtil.allLike(ew, user), params), params));
return R.ok().put("data", page);
}
/**
* information
*/
@RequestMapping("/info/{id}")
public R info(@PathVariable("id") String id){
UserEntity user = userService.selectById(id);
return R.ok().put("data", user);
}
/**
* Get the user's session user information
*/
@RequestMapping("/session")
public R getCurrUser(HttpServletRequest request){
Integer id = (Integer)request.getSession().getAttribute("userId");
UserEntity user = userService.selectById(id);
return R.ok().put("data", user);
}
/**
* save
*/
@PostMapping("/save")
public R save(@RequestBody UserEntity user){
// ValidatorUtils.validateEntity(user);
if(userService.selectOne(new EntityWrapper<UserEntity>().eq("username", user.getUsername())) !=null) {
return R.error("User already exists");
}
userService.insert(user);
return R.ok();
}
/**
* Revise
*/
@RequestMapping("/update")
public R update(@RequestBody UserEntity user){
// ValidatorUtils.validateEntity(user);
userService.updateById(user);//Update all
return R.ok();
}
/**
* delete
*/
@RequestMapping("/delete")
public R delete(@RequestBody Integer[] ids){
userService.deleteBatchIds(Arrays.asList(ids));
return R.ok();
}
}
Paper reference:
Source code acquisition:
Everyone like, collect, follow, comment, viewget contact information
Recommended subscription for wonderful columns: In the column below
The most comprehensive collection of computer software graduation project topics for 2022-2024: 1,000 popular topic recommendations?
Java project quality practical cases “100 sets”
Java WeChat Mini Program Project Practice “100 Sets”
The knowledge points of the article match the official knowledge files, and you can further learn related knowledge. Java Skill TreeHomepageOverview 137973 people are learning the system