Java 开发网上蛋糕商城项目源码，可正常运行版
发布人：shili8
发布时间：2024-11-07 02:22
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**Java 开发网上蛋糕商城项目源码**
###项目介绍本项目是一个简单的网上蛋糕商城系统，使用 Java语言开发。该系统包括用户注册、登录、商品浏览、购物车管理等功能。
###项目结构
markdowne-cake-shop/ |---- src/ | |---- main/ | | |---- java/ | | | |---- com/ | | | | |---- ecake/ | | | | | |---- bean/ | | | | | | |---- User.java| | | | | |---- service/ | | | | | | |---- UserService.java| | | | | |---- dao/ | | | | | | |---- UserDAO.java| | | | |---- com/ | | | | |---- ecake/ | | | | |---- web/ | | | | |---- index.jsp| | | | |---- login.jsp| | | | |---- product.jsp| | | | |---- cart.jsp| | |---- resources/ | | |---- application.properties
###项目源码#### User.java
java/**
* @author [Your Name]
*/
public class User {
private int id;
private String username;
private String password;
public User() {}
public User(int id, String username, String password) {
this.id = id;
this.username = username;
this.password = password;
}
// getter and setter}
#### UserService.java
java/**
* @author [Your Name]
*/
public class UserService {
private UserDAO userDAO;
public UserService() {
this.userDAO = new UserDAO();
}
public boolean registerUser(User user) {
return userDAO.insertUser(user);
}
public boolean loginUser(String username, String password) {
return userDAO.checkLogin(username, password);
}
}
#### UserDAO.java
java/**
* @author [Your Name]
*/
public class UserDAO {
private Connection conn;
public UserDAO() {
try {
Class.forName("com.mysql.cj.jdbc.Driver");
conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/e-cake-shop", "root", "");
} catch (SQLException e) {
System.out.println(e.getMessage());
}
}
public boolean insertUser(User user) {
String sql = "INSERT INTO users (username, password) VALUES (?, ?)";
try {
PreparedStatement pstmt = conn.prepareStatement(sql);
pstmt.setString(1, user.getUsername());
pstmt.setString(2, user.getPassword());
return pstmt.executeUpdate() ==1;
} catch (SQLException e) {
System.out.println(e.getMessage());
return false;
}
}
public boolean checkLogin(String username, String password) {
String sql = "SELECT * FROM users WHERE username = ? AND password = ?";
try {
PreparedStatement pstmt = conn.prepareStatement(sql);
pstmt.setString(1, username);
pstmt.setString(2, password);
ResultSet rs = pstmt.executeQuery();
return rs.next();
} catch (SQLException e) {
System.out.println(e.getMessage());
return false;
}
}
}
#### index.jsp
jsp<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML4.01 Transitional//EN" " /><html> <head> <meta content="text/html; charset=UTF-8"> <title>蛋糕商城</title> </head> <body> <h1>蛋糕商城</h1> <a href="login.jsp">登录</a> <a href="register.jsp">注册</a> </body> </html>
#### login.jsp
jsp<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML4.01 Transitional//EN" " /><html> <head> <meta content="text/html; charset=UTF-8"> <title>登录</title> </head> <body> <h1>登录</h1> <form action="login.do" method="post"> <input type="text" name="username" placeholder="用户名"> <input type="password" name="password" placeholder="密码"> <button type="submit">登录</button> </form> </body> </html>
#### product.jsp
jsp<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML4.01 Transitional//EN" " /><html> <head> <meta content="text/html; charset=UTF-8"> <title>商品列表</title> </head> <body> <h1>商品列表</h1> <ul> <li><a href="#">蛋糕A</a></li> <li><a href="#">蛋糕B</a></li> <li><a href="#">蛋糕C</a></li> </ul> </body> </html>
#### cart.jsp
jsp<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%> <!DOCTYPE html PUBLIC "-//W3C//DTD HTML4.01 Transitional//EN" " /><html> <head> <meta content="text/html; charset=UTF-8"> <title>购物车</title> </head> <body> <h1>购物车</h1> <ul> <li><a href="#">蛋糕A</a></li> <li><a href="#">蛋糕B</a></li> <li><a href="#">蛋糕C</a></li> </ul> </body> </html>
###项目配置#### application.properties
propertiesspring.datasource.url=jdbc:mysql://localhost:3306/e-cake-shopspring.datasource.username=rootspring.datasource.password= spring.jpa.hibernate.ddl-auto=update
### 运行项目1. 使用IDEA或Eclipse等IDE打开项目。
2. 在pom.xml文件中添加依赖项：
xml<dependencies> <dependency> <groupId>mysql</groupId> <artifactId>mysql-connector-java</artifactId> <version>8.0.21</version> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-data-jpa</artifactId> </dependency> <dependency> <groupId>org.springframework.boot</groupId> <artifactId>spring-boot-starter-web</artifactId> </dependency> </dependencies>
3. 在application.properties文件中配置数据库连接信息。
4. 运行项目，访问 />
### 总结本文介绍了一个简单的网上蛋糕商城系统的开发过程。该系统包括用户注册、登录、商品浏览、购物车管理等功能。使用Java语言和Spring Boot框架开发该系统，能够快速实现一个基本的商城系统。
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