package rjgc;

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

public class BaseDao {
	protected static String dbClassName = "com.mysql.cj.jdbc.Driver";
	protected static String dbUrl = "jdbc:mysql://localhost:3306/supermarket?useUnicode=true&characterEncoding=utf8&useSSL=true&serverTimezone=UTC";
	protected static String dbUser = "root";
	protected static String dbPwd = "123456";
	public static Connection conn = null; 
	static {
		try {
			if (conn == null) {
				Class.forName(dbClassName).newInstance();
				conn = DriverManager.getConnection(dbUrl, dbUser, dbPwd);
			}
		} catch (Exception ee) {
			ee.printStackTrace();
		}
	}
	
	private BaseDao() {
	}
	
	// 读取顾客
	public static customer getCus(String card) {
		customer cus = new customer();
		ResultSet rs = findForResultSet("select * from customer where card='"
				+ card + "'");
		try {
			if (rs.next()) {
				cus.setCard(card);
				cus.setPassword(rs.getString("password"));
				cus.setName(rs.getString("name"));
				cus.setDate(rs.getString("RegistDate"));
				cus.setScore(rs.getInt("score"));
				cus.setId(rs.getInt("id"));
			}
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return cus;
	}
	
	public static ResultSet findForResultSet(String sql) {
		if (conn == null)
			return null;
		ResultSet rs = null;
		Statement stmt = null;
		try {
			stmt = conn.createStatement(ResultSet.TYPE_SCROLL_INSENSITIVE,
					ResultSet.CONCUR_READ_ONLY);
			rs = stmt.executeQuery(sql);
		} catch (Exception e) {
			e.printStackTrace();
		}
		return rs;
	}
	
	// 执行指定查询
		public static ResultSet query(String QueryStr) {
			ResultSet set = findForResultSet(QueryStr);
			return set;
		}
		
	//添加商品
	public static boolean addThing(thing th) {
		if (th == null)
			return false;
		else
			return insert("insert into thing values('" + th.getId() + "','"
				+ th.getName() +"','"+ th.getScore()+ "')");
	}
	//添加顾客
	public static boolean addCus(customer cus) {
		if (cus == null)
			return false;
		else
			return insert("insert into customer values('" + cus.getId() + "','"
				+ cus.getName() + "','" + cus.getCard() + "','"
				+ cus.getPassword() + "','" + cus.getScore() + "','"
				+ cus.getDate() + "')");
	}
	//添加操作
	public static boolean insert(String sql) {
		boolean result = false;
		try {
			Statement stmt = conn.createStatement();
			result = stmt.execute(sql);
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return result;
	}
	// 修改顾客积分信息的方法
	public static int updateCus(int card,int score) {
		return update("update customer set score = score+'" + score  + "' where Card='" + card  + "'");
	}
	//修改操作
	public static int update(String sql) {
		int result = 0;
		try {
			Statement stmt = conn.createStatement();
			result = stmt.executeUpdate(sql);
		} catch (SQLException e) {
			e.printStackTrace();
		}
		return result;
	}
	//返回商品最大id
	public static int getThingMaxId( String table,String idName) {
		int id=0;
		String sql = "select max(" + idName + ") from " + table;
		try {
			Statement stmt = conn.createStatement();
			ResultSet set = stmt.executeQuery(sql);
			if (set.next())
				id = set.getInt(1);
		} catch (SQLException e1) {
			// TODO 自动生成的 catch 块
			e1.printStackTrace();
		}
		return id;
	}
	//返回顾客最大id
	public static int getCustomerMaxId( String table,String idName) {
		int id=0;
		String sql = "select max(" + idName + ") from " + table;
		try {
			Statement stmt = conn.createStatement();
			ResultSet set = stmt.executeQuery(sql);
			if (set.next())
				id = set.getInt(1);
		} catch (SQLException e1) {
			// TODO 自动生成的 catch 块
			e1.printStackTrace();
		}
		return id;
	}

}


import java.util.Date;

public class customer {
	private int id;
	private String name;
	private String card;
	private int score;
	private String password;
	private String registDate;
	
	public customer() {
		
	}
	
	public customer(int id) {
		this.id = id;
	}
	
	public customer(int id,String name,String card,int score,String password,String registDate) {
		this.id = id;
		this.name = name;
		this.card=card;
		this.score=score;
		this.password=password;
		this.registDate=registDate;
	}
	public void setId(int id) {
		this.id = id;
	}
	public int getId() {
		return id;
	}
	public void setName(String name) {
		this.name = name;
	}
	public String getName() {
		return name;
	}
	public void setCard(String card) {
		this.card = card;
	}
	public String getCard() {
		return card;
	}
	public void setScore(int score) {
		this.score = score;
	}
	public int getScore() {
		return score;
	}
	public String getPassword() {
		return password;
	}
	public void setPassword(String password) {
		this.password = password;
	}
	public String getDate() {
		return registDate;
	}
	public void setDate(String registDate) {
		this.registDate = registDate;
	}

}
package rjgc;

public class test {

	public static void main(String[] args) {
		// TODO 自动生成的方法存根
		new mainWindow();
	}
	
}
package rjgc;

public class thing {
	private int id;
	private String name;
	private int score;
	public thing() {
		
	}
	public thing(int id) {
		this.id=id;
	}
	public thing(int id,String name,int score) {
		this.id=id;
		this.name=name;
		this.score=score;
	}
	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 int getScore() {
		return score;
	}
	public void setScore(int score) {
		this.score=score;
	}

}
package rjgc;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JTextField;

public class Window extends JDialog{
	public Window(WindowS frame) {
		super(frame,"用户卡号",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(220,220,500,300);//设置窗体坐标和大小
		setTitle("收银员系统");
		setLayout(null);
		Container c = getContentPane();
		JLabel l = new JLabel("-----欢迎进入收银员界面-----");//创建一个标签
		l.setBounds(150, 10, 300, 30);
		c.add(l);//窗体中添加标签
		
		JLabel l1 = new JLabel("会员卡号");
		l1.setBounds(10, 60, 60, 20);
		c.add(l1);
		
		JLabel l2 = new JLabel("消费金额");
		l2.setBounds(10, 100, 60, 20);
		c.add(l2);
		
		JTextField jt1 = new JTextField();
		jt1.setBounds(80, 60, 200, 20);
		c.add(jt1);
		
		JTextField jt2 = new JTextField();
		jt2.setBounds(80, 100, 200, 20);
		c.add(jt2);
		
		JButton btn1= new JButton("确定");
		btn1.setBounds(150, 150, 60, 20);
		c.add(btn1);
		
		JButton btn2= new JButton("取消");
		btn2.setBounds(250, 150, 60, 20);
		c.add(btn2);
		
		btn1.addActionListener(new ActionListener() {//为按钮添加鼠标单击事件
			public void actionPerformed(ActionEvent e) {
				String str1=jt1.getText();
				String str2=jt2.getText();
				int card=Integer.parseInt(str1);
				int score=Integer.parseInt(str2);
				if(BaseDao.updateCus(card, score)==1)
					new WindowW(Window.this,"成功！").setVisible(true);
				else
					new WindowW(Window.this,"失败！").setVisible(true);
			}
		});
	
	}
	class WindowW extends JDialog{
		public WindowW(Window frame,String s) {
			super(frame,s,true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
			setBounds(250,250,400,250);//设置对话框窗体大小
			Container c = getContentPane();//创建一个容器
			setLayout(null);
			JLabel l1 = new JLabel(s);
			l1.setBounds(80, 60, 200, 20);
			c.add(l1);
			
		}
	}

}
package rjgc;

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.List;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPasswordField;
import javax.swing.JTextField;

public class Window1 extends JDialog{
	
	public Window1(WindowS2 frame) {
		super(frame,"开卡系统",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setLayout(null);
		Container c = getContentPane();
		setBounds(230,230,500,300);//设置窗体坐标和大小
	
		JLabel l = new JLabel("-----欢迎进入开卡界面-----");//创建一个标签
		l.setBounds(150, 10, 300, 30);
		c.add(l);//窗体中添加标签
		
		JLabel l1 = new JLabel("姓名");
		l1.setBounds(10, 60, 60, 20);
		c.add(l1);
		
		JLabel l2 = new JLabel("密码");
		l2.setBounds(10, 100, 60, 20);
		c.add(l2);
		
		JLabel l3 = new JLabel("确认密码");
		l3.setBounds(10, 140, 60, 20);
		c.add(l3);
		
		JTextField jt = new JTextField();
		jt.setBounds(80, 60, 200, 20);
		c.add(jt);
		
		JPasswordField jp1=new JPasswordField();
		jp1.setBounds(80, 100, 200, 20);
		c.add(jp1);
		
		JPasswordField jp2=new JPasswordField();
		jp2.setBounds(80, 140, 200, 20);
		c.add(jp2);
		
		JButton btn1= new JButton("确定");
		btn1.setBounds(150, 180, 60, 20);
		c.add(btn1);
		
		JButton btn2= new JButton("取消");
		btn2.setBounds(250, 180, 60, 20);
		c.add(btn2);
		
		btn1.addActionListener(new ActionListener() {//为按钮添加鼠标单击事件
			public void actionPerformed(ActionEvent e) {
				char ch1[] = jp1.getPassword();//获取密码的字符数组
				String str1=new String(ch1);
				char ch2[] = jp2.getPassword();//获取密码的字符数组
				String str2=new String(ch2);
				if(jt.getText().equals(""))
				{
					new win1(Window1.this).setVisible(true);//使MYJDialog窗体可见
				}
				else if(str1.equals(""))
				{
					new win2(Window1.this).setVisible(true);//使MYJDialog窗体可见
				}
				else if(str1.equals(str2))
				{
					int id=BaseDao.getCustomerMaxId("customer", "ID")+1;
					int score=0;
					String name=jt.getText();
					//注册日期
					Date date = new Date();
					SimpleDateFormat dateFormat= new SimpleDateFormat("yyyy-MM-dd :hh:mm:ss");
					String rdate = dateFormat.format(date);
					
					String password=str1;
					String card=id+"";
					customer cus=new customer(id,name,card,score,password,rdate);
					BaseDao.addCus(cus);
					new MyJDialog(Window1.this,cus).setVisible(true);//使MYJDialog窗体可见
					
				}
				else
				{
					new win(Window1.this).setVisible(true);//使MYJDialog窗体可见
				}
			}
		});
		
	}
	class MyJDialog extends JDialog{
		public MyJDialog(Window1 frame,customer cus)
		{
			super(frame,"用户卡号",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
			setBounds(250,250,400,200);//设置对话框窗体大小
			Container c = getContentPane();//创建一个容器
			setLayout(null);
			JLabel l1 = new JLabel("请记住卡号 :    "+cus.getCard());
			l1.setBounds(50, 60, 200, 20);
			c.add(l1);
			
		}
	}
	class win extends JDialog{
		public win(Window1 frame) {
			super(frame,"错误！！！",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
			setBounds(250,250,400,250);//设置对话框窗体大小
			Container c = getContentPane();//创建一个容器
			setLayout(null);
			JLabel l1 = new JLabel("确认密码错误！");
			l1.setBounds(80, 60, 200, 20);
			c.add(l1);
		}
	}
	class win1 extends JDialog{
		public win1(Window1 frame) {
			super(frame,"错误！！！",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
			setBounds(250,250,400,250);//设置对话框窗体大小
			Container c = getContentPane();//创建一个容器
			setLayout(null);
			JLabel l1 = new JLabel("姓名不能为空！");
			l1.setBounds(100, 60, 200, 20);
			c.add(l1);
		}
	}
	class win2 extends JDialog{
		public win2(Window1 frame) {
			super(frame,"错误！！！",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
			setBounds(250,250,400,250);//设置对话框窗体大小
			Container c = getContentPane();//创建一个容器
			setLayout(null);
			JLabel l1 = new JLabel("密码不能为空！");
			l1.setBounds(100, 60, 200, 20);
			c.add(l1);
		}
	}

}

package rjgc;

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPasswordField;

public class WindowS extends JDialog{
	public WindowS(mainWindow frame) {
		super(frame,"验证界面",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(210,210,500,280);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l = new JLabel("-----请验证你的身份-----");//创建一个标签
		l.setBounds(150, 10, 300, 30);
		c.add(l);//窗体中添加标签
		
		JLabel l1 = new JLabel("你的口令：");
		l1.setBounds(10, 80, 80, 20);
		c.add(l1);
		
		JPasswordField jp=new JPasswordField();
		jp.setBounds(120, 80, 200, 20);
		c.add(jp);
		
		JButton btn1= new JButton("确定");
		btn1.setBounds(150, 150, 60, 20);
		c.add(btn1);
		
		JButton btn2= new JButton("取消");
		btn2.setBounds(250, 150, 60, 20);
		c.add(btn2);
		
		btn1.addActionListener(new ActionListener() {//为按钮添加鼠标单击事件
			public void actionPerformed(ActionEvent e) {
				char ch[] = jp.getPassword();//获取密码的字符数组
				String str=new String(ch);
				if(str.equals("password"))
					new Window(WindowS.this).setVisible(true);
				else
					new WindowS1(WindowS.this).setVisible(true);
			}
		});
		
	}

}
package rjgc;

import java.awt.Container;

import javax.swing.JDialog;
import javax.swing.JLabel;

public class WindowS1 extends JDialog{
	public WindowS1(WindowS frame) {
		super(frame,"错误！！！",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(220,220,300,200);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l = new JLabel("口令错误！！！请重新输入！");//创建一个标签
		l.setBounds(30, 50, 300, 30);
		c.add(l);//窗体中添加标签
	}

}
package rjgc;
import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JRadioButton;

public class WindowS2 extends JDialog{
	public WindowS2(mainWindow frame) {
		super(frame,"用户界面",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(220,220,500,300);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l = new JLabel("-----欢迎进入用户界面-----");//创建一个标签
		l.setBounds(150, 10, 300, 30);
		c.add(l);//窗体中添加标签
		
		JRadioButton jr1=new JRadioButton("开卡");
		JRadioButton jr2=new JRadioButton("查询积分");
		JRadioButton jr3=new JRadioButton("修改密码");
		jr1.setBounds(20, 70, 80, 20);
		jr2.setBounds(120, 70, 80, 20);
		jr3.setBounds(220, 70, 80, 20);
		jr1.setSelected(true);
		ButtonGroup group=new ButtonGroup();
		group.add(jr1);
		group.add(jr2);
		group.add(jr3);
		c.add(jr1);
		c.add(jr2);
		c.add(jr3);
		
		JButton btn1= new JButton("确定");
		btn1.setBounds(150, 150, 60, 20);
		c.add(btn1);
		
		JButton btn2= new JButton("取消");
		btn2.setBounds(250, 150, 60, 20);
		c.add(btn2);
		
		btn1.addActionListener(new ActionListener() {//为按钮添加鼠标单击事件
			public void actionPerformed(ActionEvent e) {
				if(jr1.isSelected())
					new Window1(WindowS2.this).setVisible(true);
				else if(jr2.isSelected())
					new WindowS3(WindowS2.this).setVisible(true);
				else
					new WindowS4(WindowS2.this).setVisible(true);
			}
		});
		
	}

}
package rjgc;

import java.awt.Container;

import javax.swing.JDialog;
import javax.swing.JLabel;

public class WindowS3 extends JDialog{
	public WindowS3(WindowS2 frame) {
		super(frame,"查询积分",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(250,250,300,200);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l1 = new JLabel("积分：");
		l1.setBounds(10, 50, 80, 20);
		c.add(l1);
		
	}

}
package rjgc;

import java.awt.Container;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPasswordField;

public class WindowS4 extends JDialog{
	public WindowS4(WindowS2 frame) {
		super(frame,"修改密码",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(250,250,500,300);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l1 = new JLabel("旧密码：");
		l1.setBounds(30, 50, 80, 20);
		c.add(l1);
		
		JLabel l2 = new JLabel("新密码：");
		l2.setBounds(30, 100, 80, 20);
		c.add(l2);
		
		JPasswordField jp1=new JPasswordField();
		jp1.setBounds(120, 50, 200, 20);
		c.add(jp1);
		
		JPasswordField jp2=new JPasswordField();
		jp2.setBounds(120, 100, 200, 20);
		c.add(jp2);
		
		JButton btn1= new JButton("确定");
		btn1.setBounds(150, 160, 60, 20);
		c.add(btn1);
		
		JButton btn2= new JButton("取消");
		btn2.setBounds(250, 160, 60, 20);
		c.add(btn2);
	}
	
}
package rjgc;

import java.awt.Container;

import javax.swing.JDialog;
import javax.swing.JLabel;

public class WindowS11 extends JDialog{
	public WindowS11(WindowSS frame) {
		super(frame,"错误！！！",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(220,220,300,200);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l = new JLabel("口令错误！！！请重新输入！");//创建一个标签
		l.setBounds(30, 50, 300, 30);
		c.add(l);//窗体中添加标签
	}

}
package rjgc;

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.ButtonGroup;
import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JRadioButton;

public class WindowS22 extends JDialog{
	public WindowS22(WindowSS frame) {
		super(frame,"管理员界面",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(220,220,500,300);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l = new JLabel("-----欢迎进入管理员界面-----");//创建一个标签
		l.setBounds(150, 10, 300, 30);
		c.add(l);//窗体中添加标签
		
		JRadioButton jr1=new JRadioButton("添加兑换商品");
		JRadioButton jr2=new JRadioButton("修改兑换商品");
		JRadioButton jr3=new JRadioButton("删除兑换商品");
		jr1.setBounds(20, 90, 120, 20);
		jr2.setBounds(150, 90, 120, 20);
		jr3.setBounds(280, 90, 120, 20);
		jr1.setSelected(true);
		ButtonGroup group=new ButtonGroup();
		group.add(jr1);
		group.add(jr2);
		group.add(jr3);
		c.add(jr1);
		c.add(jr2);
		c.add(jr3);
		
		JButton btn1= new JButton("确定");
		btn1.setBounds(150, 160, 60, 20);
		c.add(btn1);
		
		JButton btn2= new JButton("取消");
		btn2.setBounds(250, 160, 60, 20);
		c.add(btn2);
		
		btn1.addActionListener(new ActionListener() {//为按钮添加鼠标单击事件
			public void actionPerformed(ActionEvent e) {
				if(jr1.isSelected())
					new WindowS221(WindowS22.this).setVisible(true);
//				else if(jr2.isSelected())
//					new WindowS222(WindowS22.this).setVisible(true);
//				else
//					new WindowS223(WindowS22.this).setVisible(true);
			}
		});
	}

}
package rjgc;

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;
import java.sql.ResultSet;
import java.sql.SQLException;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JTextField;

import rjgc.Window1.MyJDialog;

public class WindowS221 extends JDialog{
	public WindowS221(WindowS22 frame) {
		super(frame,"添加兑换商品",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(250,250,500,300);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l = new JLabel("-----欢迎进入添加兑换商品界面-----");//创建一个标签
		l.setBounds(150, 10, 300, 30);
		c.add(l);//窗体中添加标签
		
		JLabel l1 = new JLabel("商品名");
		l1.setBounds(10, 60, 60, 20);
		c.add(l1);
		
		JLabel l2 = new JLabel("兑换积分");
		l2.setBounds(10, 100, 60, 20);
		c.add(l2);
		
		JTextField jt1 = new JTextField();
		jt1.setBounds(80, 60, 200, 20);
		c.add(jt1);
		JTextField jt2 = new JTextField();
		jt2.setBounds(80, 100, 200, 20);
		c.add(jt2);
		
		JButton btn1= new JButton("确定");
		btn1.setBounds(150, 150, 60, 20);
		c.add(btn1);
		
		JButton btn2= new JButton("取消");
		btn2.setBounds(250, 150, 60, 20);
		c.add(btn2);
		
		btn1.addActionListener(new ActionListener() {//为按钮添加鼠标单击事件
			public void actionPerformed(ActionEvent e) {
				String str1=jt1.getText();
				String str2=jt2.getText();
				if(str1.equals(""))
				{
					new win1(WindowS221.this).setVisible(true);
				}
				else if(str2.equals(""))
				{
					new win2(WindowS221.this).setVisible(true);
				}
				else
				{
					int id=BaseDao.getThingMaxId("thing", "ID")+1;
					String name=str1;
					int score=Integer.parseInt(str2);
					thing th=new thing(id,name,score);
					BaseDao.addThing(th);
					ResultSet haveCus = BaseDao.query("select * from customer where id='" + id + "'");
					try {
						if(haveCus.next())
							new MyJDialog(WindowS221.this,"添加成功！").setVisible(true);
						else
							new MyJDialog(WindowS221.this,"添加失败！").setVisible(true);
					} catch (SQLException e1) {
						// TODO 自动生成的 catch 块
						e1.printStackTrace();
					}
					
				}
			}
		});
		
	}
	class MyJDialog extends JDialog{
		public MyJDialog(WindowS221 frame,String s)
		{
			super(frame,"提示",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
			setBounds(270,270,300,200);//设置对话框窗体大小
			Container c = getContentPane();//创建一个容器
			setLayout(null);
			JLabel l1 = new JLabel(s);
			l1.setBounds(80, 60, 200, 20);
			c.add(l1);
			
		}
	}
	class win1 extends JDialog{
		public win1(WindowS221 frame) {
			super(frame,"错误！！！",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
			setBounds(250,250,400,250);//设置对话框窗体大小
			Container c = getContentPane();//创建一个容器
			setLayout(null);
			JLabel l1 = new JLabel("商品名不能为空！");
			l1.setBounds(100, 60, 200, 20);
			c.add(l1);
		}
	}
	class win2 extends JDialog{
		public win2(WindowS221 frame) {
			super(frame,"错误！！！",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
			setBounds(250,250,400,250);//设置对话框窗体大小
			Container c = getContentPane();//创建一个容器
			setLayout(null);
			JLabel l1 = new JLabel("兑换积分不能为空！");
			l1.setBounds(100, 60, 200, 20);
			c.add(l1);
		}
	}

}

package rjgc;

import java.awt.Container;
import java.awt.event.ActionEvent;
import java.awt.event.ActionListener;

import javax.swing.JButton;
import javax.swing.JDialog;
import javax.swing.JLabel;
import javax.swing.JPasswordField;

public class WindowSS extends JDialog{
	public WindowSS(mainWindow frame) {
		super(frame,"验证界面",true);//实例化一个JDialog类对象，指定对话框的父窗体、窗体标题和类型
		setBounds(210,210,500,280);//设置窗体坐标和大小
		setLayout(null);
		Container c = getContentPane();
		
		JLabel l = new JLabel("-----请验证你的身份-----");//创建一个标签
		l.setBounds(150, 10, 300, 30);
		c.add(l);//窗体中添加标签
		
		JLabel l1 = new JLabel("你的口令：");
		l1.setBounds(10, 80, 80, 20);
		c.add(l1);
		
		JPasswordField jp=new JPasswordField();
		jp.setBounds(120, 80, 200, 20);
		c.add(jp);
		
		JButton btn1= new JButton("确定");
		btn1.setBounds(150, 150, 60, 20);
		c.add(btn1);
		
		JButton btn2= new JButton("取消");
		btn2.setBounds(250, 150, 60, 20);
		c.add(btn2);
		
		btn1.addActionListener(new ActionListener() {//为按钮添加鼠标单击事件
			public void actionPerformed(ActionEvent e) {
				char ch[] = jp.getPassword();//获取密码的字符数组
				String str=new String(ch);
				if(str.equals("pass"))
					new WindowS22(WindowSS.this).setVisible(true);
				else
					new WindowS11(WindowSS.this).setVisible(true);
			}
		});
	}

}