GUI之小学生口算系统

用Frame写的

import java.awt.*;
import java.awt.event.*;
import java.util.Random;
/**
*@author 作者 Your-Name：
*@version 创建时间：
*类说明：小学生口算
*/
public class ChenQian39 {
  static int i,j,k;
	public static void main(String[] args) {
		// TODO Auto-generated method stub
		Frame f = new Frame(\"计算器\");
		Random r = new Random();
		Font f1 = new Font(\"楷体\",Font.BOLD,20);
		Font f2 = new Font(\"宋体\",Font.BOLD,18);
		Font f3 = new Font(\"宋体\",Font.BOLD,16);
		f.setBounds(200,200,500,400);
		f.setLayout(null);
		f.setVisible(true);
		f.setBackground(Color.BLUE);
		f.addWindowListener(new WindowAdapter() {
			public void windowClosing(WindowEvent e)
			{
				System.exit(0);
			}
		});
        Label l1 = new Label(\"小学生口算系统\");
        l1.setBounds(190,40,180,30);
        l1.setFont(f1);
        f.add(l1);
        Label l2 = new Label(\"功能如下\");
        l2.setBounds(40,70,80,30);
        l2.setFont(f2);
        f.add(l2);
        Label l3 = new Label(\"1,加法运算\");
        l3.setBounds(70,110,80,30);
        l3.setFont(f3);
        f.add(l3);
        Label l4 = new Label(\"2,减法运算\");
        l4.setBounds(70,150,80,30);
        l4.setFont(f3);
        f.add(l4);
        Label l5 = new Label(\"3,乘法运算\");
        l5.setBounds(70,190,80,30);
        l5.setFont(f3);
        f.add(l5);
        Label l6 = new Label(\"4,除法运算\");
        l6.setBounds(70,230,80,30);
        l6.setFont(f3);
        f.add(l6);
        Label l7 = new Label(\"请选择\");
        l7.setBounds(40,280,70,30);
        l7.setFont(f3);
        f.add(l7);
       Button b1 = new Button(\"+\");
       b1.setBounds(40,330,40,30);
       b1.addActionListener(new ActionListener() {
    	   public void actionPerformed(ActionEvent a)
    	   {
    		   Frame c1 = new Frame(\"加法界面\");
    		   c1.setBounds(250,250,300,300);
    		   c1.setLayout(null);
    		   c1.setVisible(true);
    		   c1.setBackground(Color.gray);
    		   c1.addWindowListener(new WindowAdapter() {
    				public void windowClosing(WindowEvent e)
    				{
    					c1.setVisible(false);
    				}
    			});
		       TextField t2 = new TextField();
    		   t2.setBounds(20,50,50,30);
    		   t2.setFont(f2);
    		   c1.add(t2);
    		   Button b5 = new Button(\"+\");
    		   b5.setBounds(70,50,30,30);
    		   c1.add(b5);
    		   TextField t3 = new TextField();
    		   t3.setBounds(100, 50,50,30);
    		   t3.setFont(f2);
    		   c1.add(t3);
    		   Button b6 = new Button(\"=\");
    		   b6.setBounds(150,50,30,30);
    		   c1.add(b6);
    		   TextField t4 = new TextField();
    		   t4.setBounds(180, 50,50,30);
    		   t4.setFont(f2);
    		   c1.add(t4);
    		   t2.setText(\"\" + (r.nextInt(101)));
    		   t3.setText(\"\" + (r.nextInt(101)));
    		   Button b7 = new Button(\"确定\");
    		   b7.setBounds(100,90,40,30);
    		   TextField t5 = new TextField();
    		   t5.setBounds(40,140,200,40);
    		   t5.setFont(f2);
    		   c1.add(t5);
    		   b7.addActionListener(new ActionListener() {
    	        public void actionPerformed(ActionEvent a)
    	            {
    	        	   i = Integer.parseInt(t2.getText());
    	        	   j = Integer.parseInt(t3.getText());
    	        	   k = Integer.parseInt(t4.getText());
    	        	   if(i + j == k)
    	        	   {
    	        		   t5.setText(\"回答正确\");
    	        		   t2.setText(\"\" + (r.nextInt(101)));
    	        		   t3.setText(\"\" + (r.nextInt(101)));
    	        		   t4.setText(\"\");
    	        		   
    	        	   }
    	        	   else
    	        	   {
    	        		   t5.setText(\"\" + i + \"+\" + \"\"+j+\"正确答案:\" + (i + j));
    	        		   t2.setText(\"\" + (r.nextInt(101)));
    	        		   t3.setText(\"\" + (r.nextInt(101)));
    	        		   t4.setText(\"\");
    	        		 
    	        		   
    	        	   }
    	        	   
    	            }      
    			});
    		  c1.add(b7);
    		  
    	   }
       });
       f.add(b1);
       Button b2 = new Button(\"-\");
       b2.setBounds(90,330,40,30);
       b2.addActionListener(new ActionListener() {
    	   public void actionPerformed(ActionEvent a)
    	   {
    		   Frame c2 = new Frame(\"减法法界面\");
    		   c2.setBounds(250,250,300,300);
    		   c2.setLayout(null);
    		   c2.setVisible(true);
    		   c2.setBackground(Color.gray);
    		   c2.addWindowListener(new WindowAdapter() {
    				public void windowClosing(WindowEvent e)
    				{
    					c2.setVisible(false);
    				}
    			});
		       TextField t21 = new TextField();
    		   t21.setBounds(20,50,50,30);
    		   t21.setFont(f2);
    		   c2.add(t21);
    		   Button b51 = new Button(\"-\");
    		   b51.setBounds(70,50,30,30);
    		   c2.add(b51);
    		   TextField t31 = new TextField();
    		   t31.setBounds(100, 50,50,30);
    		   t31.setFont(f2);
    		   c2.add(t31);
    		   Button b61 = new Button(\"=\");
    		   b61.setBounds(150,50,30,30);
    		   c2.add(b61);
    		   TextField t41 = new TextField();
    		   t41.setBounds(180, 50,50,30);
    		   t41.setFont(f2);
    		   c2.add(t41);
    		   t21.setText(\"\" + (r.nextInt(101)));
    		   t31.setText(\"\" + (r.nextInt(101)));
    		   Button b71 = new Button(\"确定\");
    		   b71.setBounds(100,90,40,30);
    		   TextField t51 = new TextField();
    		   t51.setBounds(40,140,200,40);
    		   t51.setFont(f2);
    		   c2.add(t51);
    		   b71.addActionListener(new ActionListener() {
    	        public void actionPerformed(ActionEvent a)
    	            {
    	        	   i = Integer.parseInt(t21.getText());
    	        	   j = Integer.parseInt(t31.getText());
    	        	   k = Integer.parseInt(t41.getText());
    	        	   if(i - j == k)
    	        	   {
    	        		   t51.setText(\"回答正确\");
    	        		   t21.setText(\"\" + (r.nextInt(101)));
    	        		   t31.setText(\"\" + (r.nextInt(101)));
    	        		   t41.setText(\"\");
    	        		   
    	        	   }
    	        	   else
    	        	   {
    	        		   t51.setText(\"\" + i + \"-\" + \"\"+j+\"正确答案:\" + (i - j));
    	        		   t21.setText(\"\" + (r.nextInt(101)));
    	        		   t31.setText(\"\" + (r.nextInt(101)));
    	        		   t41.setText(\"\");
    	        		 
    	        		   
    	        	   }
    	        	   
    	            }      
    			});
    		  c2.add(b71);
    		  
    	   }
       });
       f.add(b2);
       Button b3 = new Button(\"*\");
       b3.setBounds(140,330,40,30);
       b3.addActionListener(new ActionListener() {
    	   public void actionPerformed(ActionEvent a)
    	   {
    		   Frame c1 = new Frame(\"乘法界面\");
    		   c1.setBounds(250,250,300,300);
    		   c1.setLayout(null);
    		   c1.setVisible(true);
    		   c1.setBackground(Color.gray);
    		   c1.addWindowListener(new WindowAdapter() {
    				public void windowClosing(WindowEvent e)
    				{
    					c1.setVisible(false);
    				}
    			});
		       TextField t2 = new TextField();
    		   t2.setBounds(20,50,50,30);
    		   t2.setFont(f2);
    		   c1.add(t2);
    		   Button b5 = new Button(\"*\");
    		   b5.setBounds(70,50,30,30);
    		   c1.add(b5);
    		   TextField t3 = new TextField();
    		   t3.setBounds(100, 50,50,30);
    		   t3.setFont(f2);
    		   c1.add(t3);
    		   Button b6 = new Button(\"=\");
    		   b6.setBounds(150,50,30,30);
    		   c1.add(b6);
    		   TextField t4 = new TextField();
    		   t4.setBounds(180, 50,50,30);
    		   t4.setFont(f2);
    		   c1.add(t4);
    		   t2.setText(\"\" + (r.nextInt(10)));
    		   t3.setText(\"\" + (r.nextInt(10)));
    		   Button b7 = new Button(\"确定\");
    		   b7.setBounds(100,90,40,30);
    		   TextField t5 = new TextField();
    		   t5.setBounds(40,140,200,40);
    		   t5.setFont(f2);
    		   c1.add(t5);
    		   b7.addActionListener(new ActionListener() {
    	        public void actionPerformed(ActionEvent a)
    	            {
    	        	   i = Integer.parseInt(t2.getText());
    	        	   j = Integer.parseInt(t3.getText());
    	        	   k = Integer.parseInt(t4.getText());
    	        	   if(i * j == k)
    	        	   {
    	        		   t5.setText(\"回答正确\");
    	        		   t2.setText(\"\" + (r.nextInt(10)));
    	        		   t3.setText(\"\" + (r.nextInt(10)));
    	        		   t4.setText(\"\");
    	        		   
    	        	   }
    	        	   else
    	        	   {
    	        		   t5.setText(\"\" + i + \"*\" + \"\"+j+\"正确答案:\" + (i * j));
    	        		   t2.setText(\"\" + (r.nextInt(10)));
    	        		   t3.setText(\"\" + (r.nextInt(10)));
    	        		   t4.setText(\"\");
    	        		 
    	        		   
    	        	   }
    	        	   
    	            }      
    			});
    		  c1.add(b7);
    		  
    	   }
       });
       f.add(b3);
       Button b4 = new Button(\"/\");
       b4.setBounds(190,330,40,30);
       b4.addActionListener(new ActionListener() {
    	   public void actionPerformed(ActionEvent a)
    	   {
    		   Frame c1 = new Frame(\"除法界面\");
    		   c1.setBounds(250,250,300,300);
    		   c1.setLayout(null);
    		   c1.setVisible(true);
    		   c1.setBackground(Color.gray);
    		   c1.addWindowListener(new WindowAdapter() {
    				public void windowClosing(WindowEvent e)
    				{
    					c1.setVisible(false);
    				}
    			});
		       TextField t2 = new TextField();
    		   t2.setBounds(20,50,50,30);
    		   t2.setFont(f2);
    		   c1.add(t2);
    		   Button b5 = new Button(\"/\");
    		   b5.setBounds(70,50,30,30);
    		   c1.add(b5);
    		   TextField t3 = new TextField();
    		   t3.setBounds(100, 50,50,30);
    		   t3.setFont(f2);
    		   c1.add(t3);
    		   Button b6 = new Button(\"=\");
    		   b6.setBounds(150,50,30,30);
    		   c1.add(b6);
    		   TextField t4 = new TextField();
    		   t4.setBounds(180, 50,50,30);
    		   t4.setFont(f2);
    		   c1.add(t4);
    		   t2.setText(\"\" + (r.nextInt(101)));
    		   t3.setText(\"\" + (r.nextInt(101) + 1));
    		   Button b7 = new Button(\"确定\");
    		   b7.setBounds(100,90,40,30);
    		   TextField t5 = new TextField();
    		   t5.setBounds(40,140,200,40);
    		   t5.setFont(f2);
    		   c1.add(t5);
    		   b7.addActionListener(new ActionListener() {
    	        public void actionPerformed(ActionEvent a)
    	            {
    	        	   i = Integer.parseInt(t2.getText());
    	        	   j = Integer.parseInt(t3.getText());
    	        	   k = Integer.parseInt(t4.getText());
    	        	   
    	        	   if(i / j == k)
    	        	   {
    	        		   t5.setText(\"回答正确\");
    	        		   t2.setText(\"\" + (r.nextInt(101)));
    	        		   t3.setText(\"\" + (r.nextInt(101) + 1));
    	        		   t4.setText(\"\");
    	        		  
    	        	   }
    	        	   else
    	        	   {
    	        		   t5.setText(\"\" + i + \"/\" + \"\"+j+\"正确答案:\" + (i / j));
    	        		   t2.setText(\"\" + (r.nextInt(101)));
    	        		   t3.setText(\"\" + (r.nextInt(101) + 1));
    	        		   t4.setText(\"\");
    	        		 
    	        		   
    	        	   }
    	        	   
    	            }      
    			});
    		  c1.add(b7);
    		  
    	   }
       });
       f.add(b4);
       
       
        
         
	}

}