Java实现网上书店管理系统(idea+MySQL+navicat)
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最近一直在做网上书店管理系统,现在这个项目已基本具有一个图书管理系统的雏形,实现了数据的增删改查功能。本项目采用swing技术开发,使用数据库存放具体数据,现在做一个总结,供学习参考!
文章目录
1. 开发工具
本项目采用idea+MySQL开发,使用数据库可视化工具navicat管理数据。其中用到的MySQL版本是8.0。
2.数据库设计
数据库中共维护了四个关系表:
管理员信息表:
订单表信息:
图书信息表:
进货信息表:
连接数据库:
package jdbc;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.sql.*;
/**
*数据库管理类
*/
public class ConnectionManager
//连接数据库的四大必需属性
private static final String driver = "com.mysql.cj.jdbc.Driver";
private static final String url = "jdbc:mysql://localhost:3306/book-management?useSSL=false&serverTimezone=Asia/Shanghai";
private static final String user = "root";
private static final String psd = "abc123";
//静态块加载驱动
static
try
Class.forName(driver);
System.out.println("加载驱动成功!");
catch (ClassNotFoundException e)
e.printStackTrace();
System.out.println("加载驱动失败!");
//返回一个连接对象
public static Connection getConnection()
Connection connection = null;
try
connection = DriverManager.getConnection(url, user, psd);
// System.out.println("连接数据库成功");
catch (SQLException e)
e.printStackTrace();
return connection;
使用jdbc技术连接数据库,记得下载驱动包!
创建数据库关系表格:
DROP TABLE IF EXISTS `book_stack`;
CREATE TABLE `book_stack` (
`ISBN` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NOT NULL COMMENT 'ISBN码',
`bookname` varchar(255) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '书名',
`author` varchar(50) CHARACTER SET utf8 COLLATE utf8_general_ci NULL DEFAULT NULL COMMENT '作者',
`num` int(11) NULL DEFAULT NULL COMMENT '数量',
`markprice` decimal(10, 2) NULL DEFAULT NULL COMMENT '标价',
PRIMARY KEY (`ISBN`) USING BTREE,
INDEX `bookname`(`bookname`) USING BTREE,
INDEX `num`(`num`) USING BTREE
) ENGINE = InnoDB CHARACTER SET = utf8 COLLATE = utf8_general_ci ROW_FORMAT = Dynamic;
SET FOREIGN_KEY_CHECKS = 1;
3. 项目功能设计
1.登录界面设计
2.图书信息维护界面
3.图书信息查询界面
4.图书销售信息界面
此系统实现了对图书信息的增删改查功能,以及对图书订单的相关操作。已基本完善相关功能,下面只对部分代码做一个展示,供初学者学习参考:
package frame;
import jdbc.ConnectionManager;
import model.Manager;
import javax.swing.*;
import javax.swing.border.EmptyBorder;
import javax.swing.event.DocumentEvent;
import javax.swing.event.DocumentListener;
import javax.swing.text.Document;
import java.awt.*;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.ResultSet;
import java.sql.SQLException;
public class Login extends JFrame
private JPanel contentPane;
private JTextField jt_user;
private JPasswordField jt_psw;
public static Jrame2 jrame;
private final JPanel panel_3 = new JPanel();
public static void main(String[] args)
EventQueue.invokeLater(new Runnable()
public void run()
try
Login frame = new Login();
frame.setVisible(true);
catch (Exception e)
e.printStackTrace();
);
/**
* Create the frame.
*/
public Login()
setBackground(new Color(224, 255, 255));
setIconImage(Toolkit.getDefaultToolkit().getImage(Login.class.getResource("/img/线性图书 (1).png")));
setTitle("网上书店管理系统");
setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
setBounds(100, 100, 610, 377);
contentPane = new JPanel();
contentPane.setBackground(SystemColor.menu);
contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
setContentPane(contentPane);
contentPane.setLayout(null);
JPanel panel = new JPanel();
panel.setBackground(SystemColor.menu);
panel.setBounds(10, 25, 576, 81);
contentPane.add(panel);
panel.setLayout(null);
JLabel lblNewLabel = new JLabel("Welcome to use the System!");
lblNewLabel.setIcon(new ImageIcon(Login.class.getResource("/img/welcome.png")));
lblNewLabel.setBounds(73, 25, 435, 34);
lblNewLabel.setForeground(new Color(0, 0, 0));
lblNewLabel.setFont(new Font("宋体", Font.BOLD, 29));
panel.add(lblNewLabel);
JPanel panel_1 = new JPanel();
panel_1.setBackground(SystemColor.menu);
panel_1.setBounds(10, 116, 576, 60);
contentPane.add(panel_1);
panel_1.setLayout(null);
JLabel lblNewLabel_1 = new JLabel("账号:");
lblNewLabel_1.setBounds(96, 5, 98, 32);
lblNewLabel_1.setIcon(new ImageIcon(Login.class.getResource("/img/账号 (1).png")));
lblNewLabel_1.setFont(new Font("宋体", Font.BOLD, 20));
panel_1.add(lblNewLabel_1);
jt_user = new JTextField();
jt_user.setBounds(199, 6, 281, 30);
jt_user.setFont(new Font("宋体", Font.BOLD, 20));
panel_1.add(jt_user);
jt_user.setColumns(25);
JLabel mess1 = new JLabel("");
mess1.setFont(new Font("宋体", Font.PLAIN, 14));
mess1.setForeground(Color.RED);
mess1.setBounds(199, 38, 125, 24);
panel_1.add(mess1);
JPanel panel_1_1 = new JPanel();
panel_1_1.setBackground(SystemColor.menu);
panel_1_1.setBounds(10, 186, 576, 60);
contentPane.add(panel_1_1);
panel_1_1.setLayout(null);
JLabel lblNewLabel_1_1 = new JLabel("密码:");
lblNewLabel_1_1.setBounds(97, 10, 98, 32);
lblNewLabel_1_1.setIcon(new ImageIcon(Login.class.getResource("/img/密码 (7).png")));
lblNewLabel_1_1.setFont(new Font("宋体", Font.BOLD, 20));
panel_1_1.add(lblNewLabel_1_1);
jt_psw = new JPasswordField();
jt_psw.setBounds(201, 5, 280, 32);
jt_psw.setFont(new Font("宋体", Font.BOLD, 15));
jt_psw.setColumns(25);
panel_1_1.add(jt_psw);
JLabel mess2 = new JLabel("");
mess2.setForeground(Color.RED);
mess2.setFont(new Font("宋体", Font.PLAIN, 14));
mess2.setBounds(201, 36, 125, 24);
panel_1_1.add(mess2);
JPanel panel_2 = new JPanel();
panel_2.setBackground(SystemColor.menu);
panel_2.setBounds(10, 270, 576, 60);
contentPane.add(panel_2);
panel_2.setLayout(null);
JButton jb_reset = new JButton("重置");
jb_reset.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
// 重置输入框
jt_user.setText("");
jt_psw.setText("");
);
jb_reset.setIcon(new ImageIcon(Login.class.getResource("/img/重置.png")));
jb_reset.setFont(new Font("宋体", Font.BOLD, 17));
jb_reset.setBounds(113, 10, 97, 23);
panel_2.add(jb_reset);
JButton jb_login = new JButton("登录");
jb_login.setIcon(new ImageIcon(Login.class.getResource("/img/登录统计.png")));
jb_login.addActionListener(new ActionListener()
public void actionPerformed(ActionEvent e)
// 获取账号和密码
String userString=jt_user.getText();
char[] a=jt_psw.getPassword();
String pswString=String.valueOf(a);
// 查询是否匹配
String sql="select * from manager where user=?";
if (jt_user.getText().equals(""))
mess1.setText("请输入账号:");
else
try
ResultSet set=ConnectionManager.query(sql, new Object[] userString);
if(set.next())
// 找到用户
String user=set.getString("user");
String psw=set.getString("password");
System.out.println(user+psw);
// 判断密码
if (pswString.equals(""))
mess2.setText("请输入密码!");
else if (psw.equals(pswString))
// 登录成功
System.out.println("登录成功!");
// 打开新窗口
jrame=new Jrame2(new Manager(userString, pswString));
// 关闭当前
dispose();
jrame.setVisible(true);
else
System.out.println("密码输入错误!");
mess2.setText("密码输入错误!");
else
System.out.println("账号不存在!");
mess1.setText("该账号不存在!");
catch (SQLException e1)
// TODO Auto-generated catch block
e1.printStackTrace();
);
// 动态清零
Document dt=jt_user.getDocument();
dt.addDocumentListener(new DocumentListener()
@Override
public void removeUpdate(DocumentEvent e)
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