Eclipse+Java+Swing实现超市管理系统-TXT存储信息

Java+Swing实现超市管理系统

  • 一、系统介绍
  • 二、系统展示
    • 1.登录页
  • 2.登录成功提示
  • 3.主页面
  • 4.增加商品
  • 5.修改商品
  • 6.统计信息
  • 三、系统实现
    • UserDao.java
    • StartMain.java
    • LoginFrame.java
    • MainFrame.java
    • AddFrame.java
    • UpdateFrame.java
    • StatisticalFrame.java
    • User.java
  • 四、其他
    • 1.其他系统实现
    • 2.获取源码
    • 3.备注

一、系统介绍

本系统实现的以下功能
管理员登录系统,对商品信息的增删改查,统计商品的总价及库存。
JDK版本:1.8
存储数据形式:TXT存储

二、系统展示

1.登录页

Eclipse+Java+Swing实现超市管理系统-TXT存储信息_第1张图片

2.登录成功提示

Eclipse+Java+Swing实现超市管理系统-TXT存储信息_第2张图片

3.主页面

Eclipse+Java+Swing实现超市管理系统-TXT存储信息_第3张图片

4.增加商品

Eclipse+Java+Swing实现超市管理系统-TXT存储信息_第4张图片

5.修改商品

Eclipse+Java+Swing实现超市管理系统-TXT存储信息_第5张图片

6.统计信息

Eclipse+Java+Swing实现超市管理系统-TXT存储信息_第6张图片

三、系统实现

UserDao.java

package com.sjsq.dao;

import java.io.File;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.List;

import com.sjsq.model.User;
import com.sjsq.util.FileUtils;

public class UserDao {
     

    private static final String fileName = "user.txt";

    /**
     * 写文件
     * 
     * @param list
     * @return
     */
    public static String addUser(User u) {
     
        StringBuffer sb = new StringBuffer();
        sb.append(u.getUsername() + " " + u.getPassword() + "\r\n");
        return sb.toString();
    }

    public static List<User> StringToList(String s) {
     
        List<User> list = new ArrayList<>();
        String[] lines = s.split("\r\n");
        for (String line : lines) {
     
            String[] stu = line.split(" ");
            list.add(new User(stu[0], stu[1]));
        }
        return list;
    }

    /**
     * 登录验证
     * 
     * @param username
     * @param password
     * @return
     * @throws IOException
     */
    public static boolean auth(String username, String password) {
     
        try {
     
            File file = new File(fileName);
            String content = FileUtils.readTxtFile(file);
            List<User> list = UserDao.StringToList(content);
            System.out.println(list);
            boolean exist = list.contains(new User(username, password));
            return exist;
        } catch (IOException e) {
     
            return false;
        }
    }

    public static void addTestData() {
     
        try {
     
            File file = new File(fileName);
            if (!file.exists()) {
     
                String add = UserDao.addUser(new User("admin", "123456"));
                FileUtils.writeTxtFile(add, file, true);
            }
        } catch (IOException e) {
     
            // TODO Auto-generated catch block
            e.printStackTrace();
        }
    }
}

StartMain.java

package com.sjsq.frame;

import com.sjsq.dao.GoodsDao;
import com.sjsq.dao.UserDao;

/**
 * 启动类
 * 
 * @author Administrator
 *
 */
public class StartMain {
     

    public static void main(String[] args) {
     
        // 启动前先创建测试数据文件(默认账号:admin  默认密码:123456)
        //UserDao.addTestData();
        //GoodsDao.addTestData();
        new LoginFrame();
    }

}

LoginFrame.java

package com.sjsq.frame;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

import com.sjsq.dao.UserDao;

/**
 * 登录框架 2019年6月6日18:04:57
 * 
 * @author Administrator
 *
 */
public class LoginFrame extends Frame {
     

    private static final long serialVersionUID = 1L;
    private JFrame jFrame = new JFrame("登录");
    private Container c = jFrame.getContentPane();
    private JLabel a1 = new JLabel("用户名");
    // 默认账号
    private JTextField username = new JTextField("admin");
    private JLabel a2 = new JLabel("密   码");
    // 默认密码
    private JPasswordField password = new JPasswordField("123456");
    private JButton okbtn = new JButton("登录");
    private JButton cancelbtn = new JButton("重置");

    public LoginFrame() {
     

        // 设置窗体的位置及大小
        jFrame.setBounds(600, 200, 300, 220);
        // 设置一层相当于桌布的东西
        c.setLayout(new BorderLayout());// 布局管理器
        // 设置按下右上角X号后关闭
        jFrame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        // 初始化--往窗体里放其他控件
        jFrame.setLocationRelativeTo(null);// 窗
        // 标题部分
        JPanel titlePanel = new JPanel();
        titlePanel.setLayout(new FlowLayout());
        titlePanel.add(new JLabel("超市商品管理系统 "));
        c.add(titlePanel, "North");
        // 输入部分-
        JPanel fieldPanel = new JPanel();
        fieldPanel.setLayout(null);
        a1.setBounds(50, 20, 50, 20);
        a2.setBounds(50, 60, 50, 20);
        fieldPanel.add(a1);
        fieldPanel.add(a2);
        username.setBounds(110, 20, 120, 20);
        password.setBounds(110, 60, 120, 20);
        fieldPanel.add(username);
        fieldPanel.add(password);
        c.add(fieldPanel, "Center");

        // 按钮部分
        JPanel buttonPanel = new JPanel();
        buttonPanel.setLayout(new FlowLayout());
        buttonPanel.add(okbtn);
        buttonPanel.add(cancelbtn);
        c.add(buttonPanel, "South");
        // 设置窗体可见
        jFrame.setVisible(true);

        // 确认按下去获取

        okbtn.addActionListener(new ActionListener() {
     
            @Override
            public void actionPerformed(ActionEvent e) {
     
                try {
     
                    String uname = username.getText();
                    String pwd = String.valueOf(password.getPassword());
                    boolean flag = UserDao.auth(uname, pwd);
                    if (flag) {
     
                        jFrame.setVisible(false);
                        JOptionPane.showMessageDialog(null, "恭喜您,登录成功!");
                        MainFrame m = new MainFrame();
                        m.setVisible(true);
                        // 窗口居中
                        m.setLocationRelativeTo(null);
                    } else {
     
                        JOptionPane.showMessageDialog(null, "登录失败,账号或密码错误");
                    }
                } catch (HeadlessException e1) {
     
                    username.setText("");
                    password.setText("");
                    JOptionPane.showMessageDialog(null, "登录失败");
                }

            }
        });
        // 取消按下去清空
        cancelbtn.addActionListener(new ActionListener() {
     
            @Override
            public void actionPerformed(ActionEvent e) {
     
                username.setText("");
                password.setText("");
            }
        });
    }

}

MainFrame.java

package com.sjsq.frame;

import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.util.List;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JScrollPane;
import javax.swing.JTable;
import javax.swing.border.EmptyBorder;
import javax.swing.table.DefaultTableModel;

import com.sjsq.dao.GoodsDao;
import com.sjsq.model.Goods;

public class MainFrame extends JFrame {
     

    private JPanel contentPane;
    private JTable table;
    private String[] columnCount = {
      "序号", "编号", "名称", "单价", "数量", "总价" };
    public static MainFrame frame;
    List<Goods> list;

    /**
     * Create the frame.
     */
    public MainFrame() {
     

        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        setTitle("超市商品管理系统 ");
        setBounds(100, 100, 764, 469);
        contentPane = new JPanel();
        contentPane.setBorder(new EmptyBorder(5, 5, 5, 5));
        setContentPane(contentPane);
        contentPane.setLayout(null);
        JScrollPane scrollPane = new JScrollPane();
        scrollPane.setBounds(29, 58, 692, 332);
        contentPane.add(scrollPane);

        table = new JTable();
        scrollPane.setViewportView(table);

        JButton button = new JButton("增加");
        button.addActionListener(new ActionListener() {
     
            public void actionPerformed(ActionEvent e) {
     
                new AddFrame();
                quaryAll();
            }
        });
        button.setBounds(40, 22, 93, 23);
        contentPane.add(button);

        JButton button_1 = new JButton("删除");
        button_1.addActionListener(new ActionListener() {
     
            public void actionPerformed(ActionEvent e) {
     
                int row = table.getSelectedRow();
                if (row == -1) {
     
                    JOptionPane.showMessageDialog(null, "请选择一行");
                    return;
                }
                String id = list.get(row).getId();
                GoodsDao.delete(id);
                JOptionPane.showMessageDialog(null, "删除成功");
                quaryAll();
            }
        });
        button_1.setBounds(180, 22, 93, 23);
        contentPane.add(button_1);

        JButton button_2 = new JButton("修改");
        button_2.addActionListener(new ActionListener() {
     
            public void actionPerformed(ActionEvent e) {
     
                int row = table.getSelectedRow();
                if (row == -1) {
     
                    JOptionPane.showMessageDialog(null, "请选择一行");
                    return;
                }

                String id = (String) table.getModel().getValueAt(row, 0);
                String bh = (String) table.getModel().getValueAt(row, 1);
                String name = (String) table.getModel().getValueAt(row, 2);
                String price = (String) table.getModel().getValueAt(row, 3);
                String number = (String) table.getModel().getValueAt(row, 4);
                new UpdateFrame(new Goods(id, bh, name, Double.parseDouble(price), Integer.valueOf(number)));
            }
        });
        button_2.setBounds(320, 22, 93, 23);
        contentPane.add(button_2);

        JButton button_3 = new JButton("查询");
        button_3.addActionListener(new ActionListener() {
     
            public void actionPerformed(ActionEvent e) {
     
                quaryAll();
            }
        });
        button_3.setBounds(460, 22, 93, 23);
        contentPane.add(button_3);

        JButton button_4 = new JButton("统计");
        button_4.addActionListener(new ActionListener() {
     
            public void actionPerformed(ActionEvent e) {
     
                System.out.println("统计");
                new StatisticalFrame();

            }
        });
        button_4.setBounds(600, 22, 93, 23);
        contentPane.add(button_4);

        quaryAll();
    }

    // 查询
    public void quaryAll() {
     
        list = GoodsDao.query();

        // 表格中的内容,是一个二维数组
        int size = list.size();
        String[][] data = new String[size][6];
        for (int i = 0; i < data.length; i++) {
     
            for (int j = 0; j < data[i].length; j++) {
     
                data[i][0] = list.get(i).getId();
                data[i][1] = list.get(i).getBh();
                data[i][2] = list.get(i).getName();
                data[i][3] = list.get(i).getPrice() + "";
                data[i][4] = list.get(i).getNumber() + "";
                data[i][5] = list.get(i).getTotal() + "";
            }
        }
        table.setModel(new DefaultTableModel(data, columnCount));

    }

}

AddFrame.java

package com.sjsq.frame;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.print.Book;
import java.util.Random;
import java.util.UUID;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;

import com.sjsq.dao.GoodsDao;
import com.sjsq.model.Goods;
import com.sjsq.model.User;
import com.sjsq.util.StrUtils;

/**
 * 图书修改框架 2019年6月6日18:04:53
 * 
 * @author Administrator
 *
 */
public class AddFrame extends Frame {
     

    private static final long serialVersionUID = 1L;

    public AddFrame() {
     

        JFrame jFrame = new JFrame("新增");
        Container c = jFrame.getContentPane();

        JLabel a2 = new JLabel("商品名称");
        JTextField mc = new JTextField();

        JLabel a3 = new JLabel("商品单价");
        JTextField dj = new JTextField();

        JLabel a4 = new JLabel("商品数量");
        JTextField sl = new JTextField();

        JButton okbtn = new JButton("新增");
        JButton cancelbtn = new JButton("重置");
        // 设置窗体的位置及大小
        jFrame.setBounds(600, 200, 300, 250);
        // 设置一层相当于桌布的东西
        c.setLayout(new BorderLayout());// 布局管理器
        // 设置按下右上角X号后关闭
        jFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        // 初始化--往窗体里放其他控件
        jFrame.setLocationRelativeTo(null);// 窗
        /*标题部分--North*/
        JPanel titlePanel = new JPanel();
        titlePanel.setLayout(new FlowLayout());
        titlePanel.add(new JLabel("新增商品"));
        c.add(titlePanel, "North");

        /*输入部分--Center*/
        JPanel fieldPanel = new JPanel();
        fieldPanel.setLayout(null);
        a2.setBounds(50, 20, 100, 20);
        a3.setBounds(50, 60, 100, 20);
        a4.setBounds(50, 100, 100, 20);
        fieldPanel.add(a2);
        fieldPanel.add(a3);
        fieldPanel.add(a4);
        mc.setBounds(110, 20, 120, 20);
        dj.setBounds(110, 60, 120, 20);
        sl.setBounds(110, 100, 120, 20);
        fieldPanel.add(mc);
        fieldPanel.add(dj);
        fieldPanel.add(sl);
        c.add(fieldPanel, "Center");

        /*按钮部分--South*/
        JPanel buttonPanel = new JPanel();
        buttonPanel.setLayout(new FlowLayout());
        buttonPanel.add(okbtn);
        buttonPanel.add(cancelbtn);
        c.add(buttonPanel, "South");
        // 设置窗体可见
        jFrame.setVisible(true);

        // 确认按下去获取

        okbtn.addActionListener(new ActionListener() {
     
            @Override
            public void actionPerformed(ActionEvent e) {
     
                try {
     
                    String mc1 = mc.getText();
                    String dj1 = dj.getText();
                    String sl1 = sl.getText();
                    if (" ".equals(mc1) || " ".equals(dj1) || "".equals(sl1)) {
     
                        JOptionPane.showMessageDialog(null, "请求参数不能为空");
                        return;
                    }

                    int sl2 = Integer.parseInt(sl1);
                    double dj2 = Double.parseDouble(dj1);
                    Goods g = new Goods(StrUtils.id(), StrUtils.uuid(), mc1, dj2, sl2);
                    boolean flag = GoodsDao.add(g);
                    if (flag) {
     
                        JOptionPane.showMessageDialog(null, "添加成功");
                        jFrame.setVisible(false);
                    } else {
     
                        JOptionPane.showMessageDialog(null, "添加失败");
                    }
                } catch (HeadlessException e1) {
     

                }

            }
        });
        // 取消按下去清空
        cancelbtn.addActionListener(new ActionListener() {
     

            @Override
            public void actionPerformed(ActionEvent e) {
     
                mc.setText("");
                dj.setText("");
                sl.setText("");
            }
        });
    }
}

UpdateFrame.java

package com.sjsq.frame;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;
import java.awt.Frame;
import java.awt.HeadlessException;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.awt.event.WindowEvent;
import java.awt.event.WindowListener;

import javax.swing.JButton;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JOptionPane;
import javax.swing.JPanel;
import javax.swing.JTextField;

import com.sjsq.dao.GoodsDao;
import com.sjsq.model.Goods;

/**
 * 图书修改框架 2019年6月6日18:04:53
 * 
 * @author Administrator
 *
 */
public class UpdateFrame extends Frame {
     

    private static final long serialVersionUID = 1L;

    public UpdateFrame(Goods g) {
     
        JFrame jFrame = new JFrame("修改");
        Container c = jFrame.getContentPane();

        JLabel a1 = new JLabel("商品编号");
        JTextField bh = new JTextField(g.getBh());

        JLabel a2 = new JLabel("商品名称");
        JTextField mc = new JTextField(g.getName());

        JLabel a3 = new JLabel("商品单价");
        JTextField dj = new JTextField(g.getPrice() + "");

        JLabel a4 = new JLabel("商品数量");
        JTextField sl = new JTextField(g.getNumber() + "");

        JButton okbtn = new JButton("修改");
        JButton cancelbtn = new JButton("重置");
        // 设置窗体的位置及大小
        jFrame.setBounds(600, 200, 300, 320);
        // 设置一层相当于桌布的东西
        c.setLayout(new BorderLayout());// 布局管理器
        // 设置按下右上角X号后关闭
        jFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        // 初始化--往窗体里放其他控件
        jFrame.setLocationRelativeTo(null);// 窗
        /*标题部分--North*/
        JPanel titlePanel = new JPanel();
        titlePanel.setLayout(new FlowLayout());
        titlePanel.add(new JLabel("修改商品信息"));
        c.add(titlePanel, "North");

        /*输入部分--Center*/
        JPanel fieldPanel = new JPanel();
        fieldPanel.setLayout(null);
        a1.setBounds(50, 20, 100, 20);
        a2.setBounds(50, 60, 100, 20);
        a3.setBounds(50, 100, 100, 20);
        a4.setBounds(50, 140, 100, 20);
        fieldPanel.add(a1);
        fieldPanel.add(a2);
        fieldPanel.add(a3);
        fieldPanel.add(a4);
        bh.setBounds(110, 20, 120, 20);
        mc.setBounds(110, 60, 120, 20);
        dj.setBounds(110, 100, 120, 20);
        sl.setBounds(110, 140, 120, 20);
        fieldPanel.add(bh);
        fieldPanel.add(mc);
        fieldPanel.add(dj);
        fieldPanel.add(sl);
        c.add(fieldPanel, "Center");

        /*按钮部分--South*/
        JPanel buttonPanel = new JPanel();
        buttonPanel.setLayout(new FlowLayout());
        buttonPanel.add(okbtn);
        buttonPanel.add(cancelbtn);
        c.add(buttonPanel, "South");
        // 设置窗体可见
        jFrame.setVisible(true);

        // 确认按下去获取

        okbtn.addActionListener(new ActionListener() {
     
            @Override
            public void actionPerformed(ActionEvent e) {
     
                try {
     
                    String bh1 = bh.getText();
                    String mc1 = mc.getText();
                    String dj1 = dj.getText();
                    String sl1 = sl.getText();
                    String id = g.getId();
                    Goods g = new Goods(id, bh1, mc1, Double.parseDouble(dj1), Integer.valueOf(sl1));
                    boolean flag = GoodsDao.update(g);
                    if (flag) {
     
                        JOptionPane.showMessageDialog(null, "修改成功");
                        jFrame.setVisible(false);
                    } else {
     
                        JOptionPane.showMessageDialog(null, "修改失败");
                    }
                } catch (HeadlessException e1) {
     

                }

            }
        });
        // 取消按下去清空
        cancelbtn.addActionListener(new ActionListener() {
     
            @Override
            public void actionPerformed(ActionEvent e) {
     
                bh.setText("");
                mc.setText("");
                dj.setText("");
                sl.setText("");
            }
        });
    }
}

StatisticalFrame.java

package com.sjsq.frame;

import java.awt.BorderLayout;
import java.awt.Container;
import java.awt.FlowLayout;

import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.JPanel;

import com.sjsq.dao.GoodsDao;

/**
 * 统计
 * 
 * @author Administrator
 *
 */
public class StatisticalFrame {
     

    private static final long serialVersionUID = 1L;

    public StatisticalFrame() {
     

        JFrame jFrame = new JFrame("商品统计信息");
        Container c = jFrame.getContentPane();

        JLabel a2 = new JLabel("商品资金总额:");
        JLabel mc = new JLabel(GoodsDao.tongji().get("totalMoney") + "元");

        JLabel a3 = new JLabel("库存最多的商品:");

        JLabel dj = new JLabel(GoodsDao.tongji().get("maxGoodsName") + ",库存过多,请时促销处理~");

        JLabel a4 = new JLabel("库存不足的商品:");
        String kc = (String) GoodsDao.tongji().get("minGoodsName");
        String tip = "";
        if (kc == null || "".equals(kc)) {
     
            tip = "库存很健康,继续保持哟~";
        } else {
     
            tip = "名称:" + kc + ",库存不足,记得进货哟~";
        }
        JLabel sl = new JLabel(tip);

        // 设置窗体的位置及大小
        jFrame.setBounds(600, 200, 480, 250);
        // 设置一层相当于桌布的东西
        c.setLayout(new BorderLayout());// 布局管理器
        // 设置按下右上角X号后关闭
        jFrame.setDefaultCloseOperation(JFrame.DISPOSE_ON_CLOSE);
        // 初始化--往窗体里放其他控件
        jFrame.setLocationRelativeTo(null);// 窗
        /*标题部分--North*/
        JPanel titlePanel = new JPanel();
        titlePanel.setLayout(new FlowLayout());
        titlePanel.add(new JLabel("商品统计"));
        c.add(titlePanel, "North");

        /*输入部分--Center*/
        JPanel fieldPanel = new JPanel();
        fieldPanel.setLayout(null);
        a2.setBounds(50, 20, 160, 20);
        a3.setBounds(50, 60, 160, 20);
        a4.setBounds(50, 100, 160, 20);
        fieldPanel.add(a2);
        fieldPanel.add(a3);
        fieldPanel.add(a4);
        mc.setBounds(180, 20, 300, 20);
        dj.setBounds(180, 60, 300, 20);
        sl.setBounds(180, 100, 300, 20);
        fieldPanel.add(mc);
        fieldPanel.add(dj);
        fieldPanel.add(sl);
        c.add(fieldPanel, "Center");

        /*按钮部分--South*/
        JPanel buttonPanel = new JPanel();
        c.add(buttonPanel, "South");
        // 设置窗体可见
        jFrame.setVisible(true);

    }
}

User.java

package com.sjsq.model;

public class User {
     

    @Override
    public int hashCode() {
     
        final int prime = 31;
        int result = 1;
        result = prime * result + ((password == null) ? 0 : password.hashCode());
        result = prime * result + ((username == null) ? 0 : username.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {
     
        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        User other = (User) obj;
        if (password == null) {
     
            if (other.password != null)
                return false;
        } else if (!password.equals(other.password))
            return false;
        if (username == null) {
     
            if (other.username != null)
                return false;
        } else if (!username.equals(other.username))
            return false;
        return true;
    }

    @Override
    public String toString() {
     
        return "User [username=" + username + ", password=" + password + "]";
    }

    private String username;

    private String password;

    public User(String username, String password) {
     
        super();
        this.username = username;
        this.password = password;
    }

    public String getUsername() {
     
        return username;
    }

    public void setUsername(String username) {
     
        this.username = username;
    }

    public String getPassword() {
     
        return password;
    }

    public void setPassword(String password) {
     
        this.password = password;
    }

    public User() {
     
        super();
        // TODO Auto-generated constructor stub
    }

}

四、其他

1.其他系统实现

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Java+Swing实现学生信息管理系统
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Java+Swing实现斗地主游戏
Java+Swing实现宠物商店管理系统
Java+Swing实现学生成绩管理系统
Java+Swing实现企业人事管理系统
Java+Swing实现学校教材管理系统
Java+Swing实现学校教务管理系统

2.获取源码

请联系QQ:3079118617

3.备注

如有侵权请联系我删除。

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