项目实现的功能

1.注册:

注册为普通用户，注册时要提供用户名，密码，确认密码，手机号，电子邮箱。

2.登录：

分为普通用户登录和管理员登录

管理员登录到后台首页管理用户信息以及书的上架、删除

普通用户登录到网站首页，并弹出用户你好的提示语。

3.购买：

用户选择购买的商品后重定向到付款页面，点击确认付款后会提示付款成功，并跳到首页

用户可以把商品加到购物车里面，加到购物车后可以选择几个进行付款，并跳转到首页

使用的技术栈

1.jsp、servlet、ajax
2.数据库MySql
3.MVC三层架构
4.JDBC连接数据库、smortupload完成文件的上传及下载
5.jQuery、layui
数据库中所创建的表

项目ER图

项目页面展示

项目首页

管理员页—用户管理

管理员页—商品管理

购物车页

部分代码展示

package com.entity;

//创建用户实体
public class User {
    private String userId;
    private String userName;
    private String userPhone;
    private String userPassword;
    private String userBrithday;
    private String userEmail;
    private String userAddress;
    private String userSex;
    private int userStatus;


    public User(String uId, String uName,
                String uPhone, String uPassword,String uSex,
                 String uEmail, String uAddress,String uBrithday, int uStatus){

        userId = uId;
        userName = uName;
        userPhone = uPhone;
        userPassword = uPassword;
        userSex = uSex;
        userBrithday = uBrithday;
        userEmail = uEmail;
        userAddress = uAddress;
        userStatus = uStatus;
    }

    public String getUserSex() {
        return userSex;
    }

    public void setUserSex(String userSex) {
        this.userSex = userSex;
    }

    public void setUserId(String userId) {
        this.userId = userId;
    }

    public void setUserName(String userName) {
        this.userName = userName;
    }

    public void setUserPhone(String userPhone) {
        this.userPhone = userPhone;
    }

    public void setUserPassword(String userPassword) {
        this.userPassword = userPassword;
    }

    public void setUserBrithday(String userBrithday) {
        this.userBrithday = userBrithday;
    }

    public void setUserEmail(String userEmail) {
        this.userEmail = userEmail;
    }

    public void setUserAddress(String userAddress) {
        this.userAddress = userAddress;
    }

    public void setUserStatus(int userStatus) {
        this.userStatus = userStatus;
    }

    public String getUserId() {
        return userId;
    }

    public String getUserName() {
        return userName;
    }

    public String getUserPhone() {
        return userPhone;
    }

    public String getUserPassword() {
        return userPassword;
    }

    public String getUserBrithday() {
        return userBrithday;
    }

    public String getUserEmail() {
        return userEmail;
    }

    public String getUserAddress() {
        return userAddress;
    }

    public int getUserStatus() {
        return userStatus;
    }
}

package com.BaseDao;

import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;

public class UserDao {
    static {
        //加载驱动
        try {
            Class.forName("com.mysql.cj.jdbc.Driver");
        } catch (ClassNotFoundException e) {
            e.printStackTrace();
        }
    }
   public static Connection getconn(){
        Connection conn = null;
       try {
           conn = DriverManager.getConnection("jdbc:mysql://localhost:3306/bookshop?serverTimezone=GMT&allowMultiQueries=true","root","ljh011215");
       } catch (SQLException e) {
           e.printStackTrace();
       }
       return conn;
   }

   public static int executIUD(String sql, Object[] params){
        int count = 0;
        Connection conn = UserDao.getconn();
        PreparedStatement ps = null;
       try {
           ps = conn.prepareStatement(sql);
           for (int i = 0; i < params.length; i++) {
               ps.setObject(i+1,params[i]);
           }
           count = ps.executeUpdate();
       } catch (SQLException e) {
           e.printStackTrace();
       }finally {
           UserDao.closeAll(null,ps,conn);
       }
//       返回影响的数量
       return count;
   }

    public static void closeAll(ResultSet rs, PreparedStatement ps, Connection conn) {
//        关闭连接对象
        try {
            if(rs!=null)

                rs.close();
            if(ps!=null)
                ps.close();

            if(conn!=null)
                conn.close();
        } catch (SQLException e) {
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }

}

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提取码: ljhc