代码

PinpinSystem/.classpath

@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER/org.eclipse.jdt.internal.debug.ui.launcher.StandardVMType/JavaSE-17">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="src" path="lib"/>
+	<classpathentry kind="lib" path="lib/mysql-connector-java-5.1.26.jar"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

PinpinSystem/.project

@@ -0,0 +1,17 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>PinpinSystem</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

PinpinSystem/.settings/org.eclipse.core.resources.prefs

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+eclipse.preferences.version=1
+encoding/<project>=UTF-8

PinpinSystem/.settings/org.eclipse.jdt.core.prefs

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+eclipse.preferences.version=1
+org.eclipse.jdt.core.compiler.codegen.inlineJsrBytecode=enabled
+org.eclipse.jdt.core.compiler.codegen.targetPlatform=17
+org.eclipse.jdt.core.compiler.codegen.unusedLocal=preserve
+org.eclipse.jdt.core.compiler.compliance=17
+org.eclipse.jdt.core.compiler.debug.lineNumber=generate
+org.eclipse.jdt.core.compiler.debug.localVariable=generate
+org.eclipse.jdt.core.compiler.debug.sourceFile=generate
+org.eclipse.jdt.core.compiler.problem.assertIdentifier=error
+org.eclipse.jdt.core.compiler.problem.enablePreviewFeatures=disabled
+org.eclipse.jdt.core.compiler.problem.enumIdentifier=error
+org.eclipse.jdt.core.compiler.problem.reportPreviewFeatures=warning
+org.eclipse.jdt.core.compiler.release=enabled
+org.eclipse.jdt.core.compiler.source=17

PinpinSystem/src/com/hm/bean/Pinpin.java

@@ -0,0 +1,79 @@
+package com.hm.bean;
+
+import java.util.Objects;
+
+public class Pinpin {
+	private int id;
+	private String name;
+	private String press;
+	private String time;
+	private int num;
+
+	public int getId() {
+		return id;
+	}
+
+	public void setId(int id) {
+		this.id = id;
+	}
+
+	public String getName() {
+		return name;
+	}
+
+	public void setName(String name) {
+		this.name = name;
+	}
+
+	public String getPress() {
+		return press;
+	}
+
+	public void setPress(String press) {
+		this.press = press;
+	}
+
+
+	public String getTime() {
+		return time;
+	}
+
+	public void setTime(String time) {
+		this.time = time;
+	}
+
+	public int getNum() {
+		return num;
+	}
+
+	public void setNum(int num) {
+		this.num = num;
+	}
+	
+	
+	@Override
+	public String toString() {
+		return "Book [id=" + id + ", name=" + name + ", press=" + press + ",  time=" + time + ", num="
+				+ num + "]";
+	}
+
+	@Override
+	public int hashCode() {
+		return Objects.hash(name);
+	}
+
+	@Override
+	public boolean equals(Object obj) {
+		if (this == obj)
+			return true;
+		if (obj == null)
+			return false;
+		if (getClass() != obj.getClass())
+			return false;
+		Pinpin other = (Pinpin) obj;
+		return Objects.equals(name, other.name);
+	}
+	
+	
+		
+}

PinpinSystem/src/com/hm/dao/PinpinDao.java

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+package com.hm.dao;
+
+import java.sql.Connection;
+import java.sql.PreparedStatement;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.util.ArrayList;
+
+import com.hm.bean.Pinpin;
+import com.hm.util.DBUtil;
+
+public class PinpinDao {
+	
+	//添加操作
+	public int add(Pinpin b) {
+		//获取连接对象
+		Connection conn = DBUtil.getConn();
+		String sql="insert into pinpin values(null,?,?,?,?)";
+		int i = 0;
+		try {
+			PreparedStatement ps=conn.prepareStatement(sql);
+			ps.setString(1, b.getName());
+			ps.setString(2, b.getPress());
+			ps.setString(3, b.getTime());
+			ps.setInt(4, b.getNum());
+			i = ps.executeUpdate();
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		return i;
+	}
+	
+	
+	//查询全部
+	public ArrayList<Pinpin> select (Pinpin b){
+		Connection conn = DBUtil.getConn();
+		String sql = "select * from book where 1=1";
+		ArrayList<Object> params = new ArrayList<Object>();
+		if (b != null) {
+			if(b.getName() != null && !b.getName().isEmpty()) {
+				sql += " and name like ? ";
+				params.add("%"+b.getName()+"%");
+			}
+			if(b.getPress() != null && !b.getPress().isEmpty()) {
+				sql += " and press=? ";
+				params.add(b.getPress());
+			}
+
+		}	
+		//处理sql语句
+		ArrayList<Pinpin> li = new ArrayList<>();
+		try {
+			PreparedStatement ps = conn.prepareStatement(sql);
+			for(int i=0;i<params.size();i++) {
+				ps.setObject(i+1, params.get(i));
+			}
+			ResultSet rs = ps.executeQuery();
+			while(rs.next()) {
+				Pinpin pinpin = new Pinpin();
+				pinpin.setId(rs.getInt("id"));
+				pinpin.setName(rs.getString("name"));
+				pinpin.setPress(rs.getString("press"));
+				pinpin.setTime(rs.getString("time"));
+				pinpin.setNum(rs.getInt("num"));
+				li.add(pinpin);
+			}		
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}	
+		return li;
+	}
+	
+	public ArrayList<Pinpin> riqipx (Pinpin b){
+		Connection conn = DBUtil.getConn();
+		String sql = "select * from book order by time";
+		ArrayList<Object> params = new ArrayList<Object>();
+		if (b != null) {
+			if(b.getName() != null && !b.getName().isEmpty()) {
+				sql += " and name like ? ";
+				params.add("%"+b.getName()+"%");
+			}
+			if(b.getPress() != null && !b.getPress().isEmpty()) {
+				sql += " and press=? ";
+				params.add(b.getPress());
+			}
+
+		}	
+		ArrayList<Pinpin> li = new ArrayList<>();
+		try {
+			PreparedStatement ps = conn.prepareStatement(sql);
+			for(int i=0;i<params.size();i++) {
+				ps.setObject(i+1, params.get(i));
+			}
+			ResultSet rs = ps.executeQuery();
+			while(rs.next()) {
+				Pinpin book = new Pinpin();
+				book.setId(rs.getInt("id"));
+				book.setName(rs.getString("name"));
+				book.setPress(rs.getString("press"));
+				book.setTime(rs.getString("time"));
+				book.setNum(rs.getInt("num"));
+				li.add(book);
+			}		
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}	
+		return li;
+	}
+	
+	public ArrayList<Pinpin> shuliangpx (Pinpin b){
+		Connection conn = DBUtil.getConn();
+		String sql = "select * from book order by num";
+		ArrayList<Pinpin> li = new ArrayList<>();
+		try {
+			PreparedStatement ps = conn.prepareStatement(sql);
+			ResultSet rs = ps.executeQuery();
+			while(rs.next()) {
+				Pinpin pinpin = new Pinpin();
+				pinpin.setId(rs.getInt("id"));
+				pinpin.setName(rs.getString("name"));
+				pinpin.setPress(rs.getString("press"));
+				pinpin.setTime(rs.getString("time"));
+				pinpin.setNum(rs.getInt("num"));
+				li.add(pinpin);
+			}		
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}	
+		return li;
+	}
+	
+	//删除
+	public int delete(int id) {
+		Connection conn = DBUtil.getConn();
+		String sql = "delete from book where id=?";
+		int i=0;
+		try {
+			PreparedStatement ps = conn.prepareStatement(sql);
+			ps.setInt(1, id);
+			i = ps.executeUpdate();
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}	
+		return i;	
+	}
+	
+	//修改 查询你要修改的对象的内容
+	public Pinpin selectId(int id) {
+		Connection conn = DBUtil.getConn();
+		String sql = "select * from book where id=?";
+		Pinpin pinpin = null;
+		try {
+			PreparedStatement ps=conn.prepareStatement(sql);
+			ps.setInt(1, id);
+			ResultSet rs = ps.executeQuery();
+			while(rs.next()) {
+				pinpin = new Pinpin();
+				pinpin.setId(rs.getInt("id"));
+				pinpin.setName(rs.getString("name"));
+				pinpin.setPress(rs.getString("press"));
+				pinpin.setTime(rs.getString("time"));
+				pinpin.setNum(rs.getInt("num"));
+			}
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		return pinpin;
+	}
+	
+	
+	public void update(Pinpin b) {
+		Connection conn = DBUtil.getConn();
+		String sql = "update book set name=?,press=?,time=?,num=? where id=?";
+		try {
+			PreparedStatement ps = conn.prepareStatement(sql);
+			ps.setString(1, b.getName());
+			ps.setString(2, b.getPress());
+			ps.setString(3, b.getTime());
+			ps.setInt(4, b.getNum());
+			ps.executeUpdate();
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+	}
+	
+}

PinpinSystem/src/com/hm/demo/JdbcDemo.java

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+package com.hm.demo;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.ResultSet;
+import java.sql.SQLException;
+import java.sql.Statement;
+
+public class JdbcDemo {
+
+	public static void main(String[] args) {
+		// io
+		// 加载驱动类 第一步
+		try {
+			Class.forName("com.mysql.jdbc.Driver");
+		} catch (ClassNotFoundException e) {
+			System.out.println("加载驱动类失败");
+		}
+
+		// 创建连接 第二步
+		try {
+			Connection connection = DriverManager
+					.getConnection("jdbc:mysql://localhost:3306/pinpin?characterEncoding=utf-8", "root", "");
+
+			// 往数据库添加数据
+			// 先定义你需要操作的sql语句
+
+			String sql = "select * from Pinpin";
+			Statement st = connection.createStatement();
+			ResultSet rs = st.executeQuery(sql);
+			while (rs.next()) {
+				int id = rs.getInt("id");
+				String name = rs.getString("name");
+				String press = rs.getString("press");
+				String time = rs.getString("time");
+				int num = rs.getInt("num");
+				System.out.println(id + "," + name + "," + press +  "," + time + "," + num);
+			}
+
+			// System.out.println(connection);
+		} catch (SQLException e) {
+			System.out.println("连接失败");
+		}
+	}
+
+}

PinpinSystem/src/com/hm/demo/PinpinDaoDemo.java

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+package com.hm.demo;
+
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.HashSet;
+import java.util.Random;
+
+import com.hm.bean.Pinpin;
+import com.hm.dao.PinpinDao;
+
+public class PinpinDaoDemo {
+
+	public static void main(String[] args) throws ParseException {
+		PinpinDao bd = new PinpinDao();
+		HashSet<Pinpin> h = new HashSet<>();
+		String press[] = {"日用","食品","家具","出行","家电"};
+		String name[] = {"奶茶","零食","食用油","盐","冰箱","电视","沙发","雨伞","自行车"};
+		SimpleDateFormat sdf = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        //指定开始日期
+        long start = sdf.parse("2000-1-1 00:00:00").getTime();
+        //指定结束日期
+        long end = sdf.parse("2023-11-11 00:00:00").getTime();
+
+		Random r = new Random();
+		while(h.size()<=100) {
+			Pinpin b = new Pinpin();
+			b.setName(name[r.nextInt(name.length)]+r.nextInt(19));
+			b.setPress(press[r.nextInt(press.length)]);
+
+			
+			//调用方法产生随机数
+			long randomDate = nextLong(start, end);
+	        SimpleDateFormat formatter = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+	        String date = formatter.format(randomDate);
+	        String time[] = {date};
+	        
+			b.setTime(time[r.nextInt(time.length)]);
+			b.setNum(r.nextInt(100,5000));
+			h.add(b);
+		}
+		for(Pinpin e:h) {
+			bd.add(e);
+		}
+		System.out.println("添加完成");
+		}
+    public static long nextLong(long start, long end) {
+        Random random = new Random();
+        return start + (long) (random.nextDouble() * (end - start + 1));
+    }
+
+}

PinpinSystem/src/com/hm/ui/AddFrame.java

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+package com.hm.ui;
+
+import java.awt.Font;
+
+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.hm.bean.Pinpin;
+import com.hm.dao.PinpinDao;
+
+public class AddFrame extends JFrame {
+	public AddFrame() {
+		// 设置窗口标题
+		this.setTitle("添加");
+		// 设置窗口大小
+		this.setSize(800, 500);
+		// 设置窗口居中
+		this.setLocationRelativeTo(null);
+		// 设置窗口关闭程序自动结束
+		this.setDefaultCloseOperation(3);
+		// 设置窗口不可更改
+		this.setResizable(true);
+
+		// 面板
+		JPanel jp = new JPanel();
+		jp.setLayout(null);
+		JLabel jl = new JLabel("增加");
+		jl.setBounds(350, 30, 200, 40);
+		jl.setFont(new Font(Font.DIALOG, Font.BOLD, 40));
+
+		JLabel jl1 = new JLabel("名字:");
+		jl1.setBounds(210, 100, 100, 25);
+		jl1.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JTextField jt1 = new JTextField(10);
+		jt1.setBounds(310, 100, 250, 30);
+		jt1.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JLabel jl2 = new JLabel("出版:");
+		jl2.setBounds(210, 165, 100, 25);
+		jl2.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JTextField jt2 = new JTextField(10);
+		jt2.setBounds(310, 165, 250, 30);
+		jt2.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JLabel jl4 = new JLabel("时间:");
+		jl4.setBounds(210, 230, 100, 25);
+		jl4.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JTextField jt4 = new JTextField(10);
+		jt4.setBounds(310, 230, 250, 30);
+		jt4.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JLabel jl5 = new JLabel("数量:");
+		jl5.setBounds(210, 295, 100, 25);
+		jl5.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JTextField jt5 = new JTextField(10);
+		jt5.setBounds(310, 295, 250, 30);
+		jt5.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JButton jb1 = new JButton("增加");
+		jb1.setBounds(200, 370, 150, 40);
+		jb1.setFont(new Font(Font.DIALOG, Font.PLAIN, 30));
+
+		JButton jb2 = new JButton("返回");
+		jb2.setBounds(410, 370, 150, 40);
+		jb2.setFont(new Font(Font.DIALOG, Font.PLAIN, 30));
+
+		jp.add(jl);
+		jp.add(jl1);
+		jp.add(jt1);
+		jp.add(jl2);
+		jp.add(jt2);
+		jp.add(jl4);
+		jp.add(jt4);
+		jp.add(jl5);
+		jp.add(jt5);
+		jp.add(jb1);
+		jp.add(jb2);
+
+		//增加
+		jb1.addActionListener((e) -> {
+			Pinpin b = new Pinpin();
+			String name = jt1.getText();
+			b.setName(name);
+			String time = jt4.getText();
+			b.setTime(time);
+			String num = jt5.getText();
+			if(!num.isEmpty()) {
+				b.setNum(Integer.parseInt(num));
+			}
+			
+			PinpinDao bd = new PinpinDao();
+			int i = bd.add(b);
+			if(i>0) {
+				//回到主界面，添加成功
+				new MainFrame();
+				dispose();
+			}else {
+				JOptionPane.showMessageDialog(null, "添加失败");
+			}			
+		});
+		//返回
+		jb2.addActionListener((e) -> {
+			new MainFrame();
+			dispose();
+		});
+
+		this.add(jp);
+		// 显示方法
+		this.setVisible(true);
+	}
+
+	public static void main(String[] args) {
+		new AddFrame();
+	}
+
+}

PinpinSystem/src/com/hm/ui/Login.java

@@ -0,0 +1,111 @@
+package com.hm.ui;
+
+import java.awt.Font;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+import java.io.BufferedReader;
+import java.io.FileReader;
+import java.io.IOException;
+import java.util.ArrayList;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JTextField;
+
+public class Login extends JFrame implements ActionListener {
+	JTextField UID = new JTextField();
+	JTextField Password = new JTextField();
+	JLabel zh = new JLabel("账号:");
+	JLabel mm = new JLabel("密码:");
+	JButton zhk = new JButton("登录");
+	JButton zhl = new JButton("返回主界面");
+
+	public Login() {
+		initFrame();
+		initzhuce();
+		this.setVisible(true);
+	}
+
+	private void initFrame() {
+		this.setTitle("登录界面");
+		this.setSize(500, 500);// 初始位置
+		this.setLayout(null);
+		this.setLocationRelativeTo(null);
+		this.setDefaultCloseOperation(3);
+	}
+
+	private void initzhuce() {
+		// 文本框
+		UID.setBounds(190, 100, 160, 40);
+		Password.setBounds(190, 170, 160, 40);
+		// 标签
+		zh.setBounds(140, 75, 100, 80);
+		mm.setBounds(140, 150, 100, 80);
+		zh.setFont(new Font("宋体",Font.BOLD,15));
+		mm.setFont(new Font("宋体",Font.BOLD,15));
+		// 按钮
+		zhk.setBounds(80, 300, 100, 50);
+		zhl.setBounds(290, 300, 100, 50);
+		this.add(UID);
+		this.add(Password);
+		this.add(zh);
+		this.add(mm);
+		this.add(zhk);
+		this.add(zhl);
+		zhk.addActionListener(this);
+		zhl.addActionListener(this);
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == zhk) {
+			String username = UID.getText();
+			String password = Password.getText();
+			try (BufferedReader reader = new BufferedReader(new FileReader("users.txt"))) {
+				String line;
+				if (validateUser(username, password)) {
+					// 登录成功，显示欢迎界面
+					JOptionPane.showMessageDialog(this, "欢迎来到系统！");
+					new MainFrame();
+					dispose();
+				} else {
+					// 登录失败，显示错误消息
+					JOptionPane.showMessageDialog(this, "登录失败。");
+					new Login();
+					dispose();
+				}
+			} catch (IOException e1) {
+				e1.printStackTrace();
+			}
+		}
+		if (e.getSource() == zhl) {
+			new System();
+			dispose();
+		}
+	}
+
+	private boolean validateUser(String username, String password) {
+		while (true) {
+			try (BufferedReader reader = new BufferedReader(new FileReader("users.txt"))) {
+				String line;
+				boolean flag = false;
+				while ((line = reader.readLine()) != null) {
+					String[] userInfo = line.split(",");
+					if (userInfo[0].equals(username) && userInfo[1].equals(password)) {
+						flag = true;
+						return true;
+					}
+				}
+				if (flag) {
+					continue;
+				}
+			} catch (IOException e) {
+				e.printStackTrace();
+			}
+			break;
+		}
+		return false;
+	}
+}

PinpinSystem/src/com/hm/ui/MainFrame.java

@@ -0,0 +1,204 @@
+package com.hm.ui;
+
+import java.awt.BorderLayout;
+import java.util.ArrayList;
+import java.util.Vector;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JOptionPane;
+import javax.swing.JPanel;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.JTextField;
+import javax.swing.table.DefaultTableModel;
+
+import com.hm.bean.Pinpin;
+import com.hm.dao.PinpinDao;
+
+public class MainFrame extends JFrame {
+	//上面
+	JPanel jp1 = new JPanel();
+	//查询 根据多字段查询
+	JLabel jl = new JLabel("活动:");
+	JTextField jt = new JTextField(10);
+	JLabel jl1 = new JLabel("用途:");
+	JTextField jt1 = new JTextField(10);
+	JButton jb = new JButton("查询");
+	JButton ripx = new JButton("按照日期排序");
+	JButton slpx = new JButton("查看接取状态");
+	
+	//中间
+	JPanel jp2 = new JPanel();
+	DefaultTableModel dtm = new DefaultTableModel();
+	JTable jta = new JTable(dtm);
+	JScrollPane jsp = new JScrollPane(jta);
+	
+	//下面
+	JPanel jp3 = new JPanel();
+	JButton jb1 = new JButton("发布任务");
+	JButton jb2 = new JButton("删除任务");
+	JButton jb3 = new JButton("修改任务");
+	JButton jb4 = new JButton("接取任务");
+	
+	//显示数据表格
+	PinpinDao bd = new PinpinDao();
+	private void show(Pinpin b) {
+		ArrayList<Pinpin> li = bd.select(b);
+		//清除之前的数据表格
+		for(int i=0;i<dtm.getRowCount();i++) {
+			dtm.setRowCount(0);
+		}
+		for(int i=0;i<li.size();i++) {
+			Vector<Object> v = new Vector<>();
+			v.add(li.get(i).getId());
+			v.add(li.get(i).getName());
+			v.add(li.get(i).getPress());
+			v.add(li.get(i).getTime());
+			v.add(li.get(i).getNum());
+			dtm.addRow(v);
+		}
+	}
+	private void riqipx(Pinpin b) {
+		ArrayList<Pinpin> li = bd.riqipx(b);
+		//清除之前的数据表格
+		for(int i=0;i<dtm.getRowCount();i++) {
+			dtm.setRowCount(0);
+		}
+		for(int i=0;i<li.size();i++) {
+			Vector<Object> v = new Vector<>();
+			v.add(li.get(i).getId());
+			v.add(li.get(i).getName());
+			v.add(li.get(i).getPress());
+			v.add(li.get(i).getTime());
+			v.add(li.get(i).getNum());
+			dtm.addRow(v);
+		}
+	}
+	private void shuliangpx(Pinpin b) {
+		ArrayList<Pinpin> li = bd.shuliangpx(b);
+		//清除之前的数据表格
+		for(int i=0;i<dtm.getRowCount();i++) {
+			dtm.setRowCount(0);
+		}
+		for(int i=0;i<li.size();i++) {
+			Vector<Object> v = new Vector<>();
+			v.add(li.get(i).getId());
+			v.add(li.get(i).getName());
+			v.add(li.get(i).getPress());
+			v.add(li.get(i).getTime());
+			v.add(li.get(i).getNum());
+			dtm.addRow(v);
+		}
+	}
+	
+	
+	
+	public MainFrame() {
+		this.setTitle("首页");// 设置窗口标题
+		this.setSize(800, 500);// 设置窗口大小
+		this.setLocationRelativeTo(null);// 设置窗口居中
+		this.setDefaultCloseOperation(3);// 设置窗口关闭程序自动结束
+		this.setResizable(true);// 设置窗口不可更改
+		// 添加第一部分
+		jp1.add(jl);
+		jp1.add(jt);
+		jp1.add(jl1);
+		jp1.add(jt1);
+		jp1.add(jb);
+		jp1.add(ripx);
+		jp1.add(slpx);
+
+		jb.addActionListener((e) -> {
+			// 按钮点击事件
+			Pinpin b = new Pinpin();
+			String name = jt.getText();
+			b.setName(name);
+			String press = jt1.getText();
+			b.setPress(press);
+			show(b);
+		});  
+		
+		ripx.addActionListener((e) ->{
+			Pinpin b = new Pinpin();
+			String name = jt.getText();
+			b.setName(name);
+			String press = jt1.getText();
+			b.setPress(press);
+			riqipx(b);
+		});
+		slpx.addActionListener((e) ->{
+			Pinpin b = new Pinpin();
+			shuliangpx(b);
+		});
+
+		// 添加第二部分
+		dtm.addColumn("编号");
+		dtm.addColumn("活动");
+		dtm.addColumn("用途");
+		dtm.addColumn("日期");
+		dtm.addColumn("状态");
+		show(null);
+
+		// 添加第三部分
+		jp3.add(jb1);
+		jp3.add(jb2);
+		jp3.add(jb3);
+		jp3.add(jb4);
+		
+		// 增加
+		jb1.addActionListener((e) -> {
+			//跳转一个新的窗口
+			new AddFrame();
+			dispose();
+		});
+		
+		//删除
+		jb2.addActionListener((e) -> {
+			//选中你要删除的行
+			int i = jta.getSelectedRow();
+			if(i>=0) {
+				//获取选中这一行的id
+				Object o = dtm.getValueAt(i, 0);
+				int id = Integer.parseInt(o.toString());
+				//是否删除
+				int j = JOptionPane.showConfirmDialog(null, "确认删除吗?");
+				if(j==0) {
+					//确认删除
+					bd.delete(id);
+					show(null);
+				}
+			}else {
+				JOptionPane.showMessageDialog(null, "请选择你要删除的行");
+			}
+		});
+		
+		//修改
+		jb3.addActionListener((e) -> {
+			//选中你要修改的行
+			int i = jta.getSelectedRow();
+			if(i>=0) {
+				//获取选中这一行的id
+				Object o = dtm.getValueAt(i, 0);
+				int id = Integer.parseInt(o.toString());
+				Pinpin b = bd.selectId(id);
+				new UpdateFrame(b);
+				dispose();
+			}else {
+				JOptionPane.showMessageDialog(null, "请选择你要修改的行");
+			}
+		});
+
+		
+		this.add(jp1, BorderLayout.NORTH);
+		this.add(jsp, BorderLayout.CENTER);
+		this.add(jp3, BorderLayout.SOUTH);
+
+		this.setVisible(true);// 显示窗口
+	}
+	public static void main(String[] args) {
+		new MainFrame();
+	}
+
+}

PinpinSystem/src/com/hm/ui/Register.java

@@ -0,0 +1,96 @@
+package com.hm.ui;
+
+import java.awt.*;
+import java.awt.event.*;
+import java.io.*;
+import javax.swing.*;
+
+public class Register extends JFrame implements ActionListener {
+	JTextField UID = new JTextField();
+	JTextField Password = new JTextField();
+	JLabel zh = new JLabel("账号:");
+	JLabel mm = new JLabel("密码:");
+	JButton zhk = new JButton("确认注册");
+	JButton sjm = new JButton("返回首界面");
+
+	public Register() {
+		initFrame();
+		initzhuce();
+		this.setVisible(true);
+	}
+
+	private void initFrame() {
+		this.setTitle("注册界面");
+		this.setSize(500, 500);// 初始位置
+		this.setLayout(null);
+		this.setLocationRelativeTo(null);
+		this.setDefaultCloseOperation(3);
+	}
+
+	private void initzhuce() {
+		// 文本框
+		UID.setBounds(190, 100, 160, 40);
+		Password.setBounds(190, 170, 160, 40);
+		// 标签
+		zh.setBounds(140, 75, 100, 80);
+		mm.setBounds(140, 150, 100, 80);
+		zh.setFont(new Font("宋体", Font.BOLD, 15));
+		mm.setFont(new Font("宋体", Font.BOLD, 15));
+		// 按钮
+		zhk.setBounds(80, 300, 100, 50);
+		sjm.setBounds(300, 300, 100, 50);
+		this.add(UID);
+		this.add(Password);
+		this.add(zh);
+		this.add(mm);
+		this.add(zhk);
+		this.add(sjm);
+		zhk.addActionListener(this);
+		sjm.addActionListener(this);
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == zhk) {
+			String username = UID.getText();
+			String password = Password.getText();
+
+			// 注册用户
+			if (username.equals("") || password.equals("")) {
+				JOptionPane.showMessageDialog(this, "注册失败，请重试！");
+			} else {
+				try {
+					BufferedWriter writer = new BufferedWriter(new FileWriter("users.txt", true));
+					BufferedReader reader = new BufferedReader(new FileReader("users.txt"));
+					String line;
+					String str = UID.getText() + "," + Password.getText();
+					boolean found = false;
+					while ((line = reader.readLine()) != null) {
+						String[] s = line.split(",");
+						if (UID.getText().equals(s[0])) {
+							JOptionPane.showMessageDialog(this, "该账号已存在，请重新注册!");
+							reader.close();
+							found = true;
+							new Register();
+							this.dispose();
+						}
+					}
+					if (!found) {
+						writer.write(username + "," + password);
+						writer.newLine();
+						writer.close();
+						JOptionPane.showMessageDialog(this, "注册成功，请登录！");
+						new Login();
+						dispose();
+					}
+				} catch (IOException e1) {
+				}
+
+			}
+		}
+		if (e.getSource() == sjm) {
+			new System();
+			dispose();
+		}
+	}
+}

PinpinSystem/src/com/hm/ui/System.java

@@ -0,0 +1,58 @@
+package com.hm.ui;
+
+import java.awt.Font;
+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.JTextField;
+
+public class System	extends JFrame implements ActionListener {
+	JLabel sy= new JLabel("欢迎来到拼拼系统");
+	JButton dl=new JButton("登录");
+	JButton zc=new JButton("注册");
+
+	public System() {
+		initxitong();
+		initFrame();
+		this.setVisible(true);
+	}
+
+	private void initFrame() {
+		this.setTitle("首界面");
+		this.setSize(500, 500);// 初始位置
+		this.setLayout(null);
+		this.setLocationRelativeTo(null);
+		this.setDefaultCloseOperation(3);
+	}
+
+	private void initxitong() {
+		sy.setBounds(120, 100, 300, 100);
+		dl.setBounds(100, 300, 100, 50);
+		zc.setBounds(290, 300, 100, 50);
+		sy.setFont(new Font("宋体", Font.BOLD, 30));
+		this.add(dl);
+		this.add(sy);
+		this.add(zc);
+		dl.addActionListener(this);
+		zc.addActionListener(this);
+	}
+
+	@Override
+	public void actionPerformed(ActionEvent e) {
+		if (e.getSource() == dl) {
+			new Login();
+			dispose();
+		}
+		if (e.getSource() == zc) {
+			new Register();
+			dispose();
+
+		}
+	}
+	public static void main(String[] args) {
+		new System();
+	}
+}

PinpinSystem/src/com/hm/ui/UpdateFrame.java

@@ -0,0 +1,125 @@
+package com.hm.ui;
+
+import java.awt.Font;
+
+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.hm.bean.Pinpin;
+import com.hm.dao.PinpinDao;
+
+public class UpdateFrame extends JFrame {
+	public UpdateFrame(Pinpin book) {
+		// 设置窗口标题
+		this.setTitle("修改");
+		// 设置窗口大小
+		this.setSize(800, 500);
+		// 设置窗口居中
+		this.setLocationRelativeTo(null);
+		// 设置窗口关闭程序自动结束
+		this.setDefaultCloseOperation(3);
+		// 设置窗口不可更改
+		this.setResizable(true);
+
+		// 面板
+		JPanel jp = new JPanel();
+		jp.setLayout(null);
+		JLabel jl = new JLabel("修改");
+		jl.setBounds(350, 30, 200, 40);
+		jl.setFont(new Font(Font.DIALOG, Font.BOLD, 40));
+
+		JLabel jl1 = new JLabel("书名:");
+		jl1.setBounds(210, 100, 100, 25);
+		jl1.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JTextField jt1 = new JTextField(book.getName());
+		jt1.setBounds(310, 100, 250, 30);
+		jt1.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JLabel jl2 = new JLabel("出版社:");
+		jl2.setBounds(210, 165, 100, 25);
+		jl2.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JTextField jt2 = new JTextField(book.getPress());
+		jt2.setBounds(310, 165, 250, 30);
+		jt2.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JLabel jl4 = new JLabel("时间:");
+		jl4.setBounds(210, 230, 100, 25);
+		jl4.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JTextField jt4 = new JTextField(book.getTime() + "");
+		jt4.setBounds(310, 230, 250, 30);
+		jt4.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JLabel jl5 = new JLabel("数量:");
+		jl5.setBounds(210, 295, 100, 25);
+		jl5.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JTextField jt5 = new JTextField(book.getNum() + "");
+		jt5.setBounds(310, 295, 250, 30);
+		jt5.setFont(new Font(Font.DIALOG, Font.PLAIN, 20));
+
+		JButton jb1 = new JButton("修改");
+		jb1.setBounds(200, 370, 150, 40);
+		jb1.setFont(new Font(Font.DIALOG, Font.PLAIN, 30));
+
+		JButton jb2 = new JButton("返回");
+		jb2.setBounds(410, 370, 150, 40);
+		jb2.setFont(new Font(Font.DIALOG, Font.PLAIN, 30));
+
+		jp.add(jl);
+		jp.add(jl1);
+		jp.add(jt1);
+		jp.add(jl2);
+		jp.add(jt2);
+		jp.add(jl4);
+		jp.add(jt4);
+		jp.add(jl5);
+		jp.add(jt5);
+		jp.add(jb1);
+		jp.add(jb2);
+
+		// 修改
+		jb1.addActionListener((e) -> {
+			Pinpin b = new Pinpin();
+			String name = jt1.getText();
+			b.setName(name);
+			String press = jt2.getText();
+			b.setPress(press);
+			String time = jt4.getText();
+			b.setTime(time);
+			String num = jt5.getText();
+			if (!num.isEmpty()) {
+				b.setNum(Integer.parseInt(num));
+			}
+
+			//id不可以进行修改
+			b.setId(book.getId());
+			PinpinDao bd = new PinpinDao();
+			bd.update(b);
+			JOptionPane.showMessageDialog(null, "修改成功");
+			// 回到主界面，添加成功
+			new MainFrame();
+			dispose();
+		});
+		// 返回
+		jb2.addActionListener((e) -> {
+			new MainFrame();
+			dispose();
+		});
+
+		this.add(jp);
+		// 显示方法
+		this.setVisible(true);
+	}
+
+	public static void main(String[] args) {
+		// new UpdateFrame();
+	}
+
+}

PinpinSystem/src/com/hm/util/DBUtil.java

@@ -0,0 +1,32 @@
+package com.hm.util;
+
+import java.sql.Connection;
+import java.sql.DriverManager;
+import java.sql.SQLException;
+
+public class DBUtil {
+	static {
+		try {
+			Class.forName("com.mysql.jdbc.Driver");
+		} catch (ClassNotFoundException e) {
+			System.out.println("加载驱动类失败");
+		}
+	}
+	
+	public static Connection getConn() {
+		try {
+			Connection connection 
+			= DriverManager.getConnection(
+					"jdbc:mysql://localhost:3306/pinpin?characterEncoding=utf-8",
+					"root", "");
+			return connection;
+		} catch (SQLException e) {
+			// TODO Auto-generated catch block
+			e.printStackTrace();
+		}
+		return null;
+		
+	}
+	
+	
+}

PinpinSystem/users.txt

@@ -0,0 +1,2 @@
+111,111
+1111,1