java GUI 图形用户界面 算术测试小软件

第二次用 mvc架构写GUI java程序，写的好不熟练啊~~ 3天木有看java ，知识点都忘完了。

上代码和照片

贴代码：

Main.java

public class Main {
    public static void main(String args[]){
    	Window window=new Window();
    	window.setBounds(100, 100, 500, 130);
    	window.setVisible(true);
    }
}

Window.java

import java.awt.*;
import java.awt.event.*;
import javax.swing.*;
public class Window extends JFrame implements ActionListener{   //利用窗口做监视器
     /**
	 * 
	 */
	private static final long serialVersionUID = 1L;
	 Sum sum;                         // model
     Number generateNumber=new Number();  //model
     JTextField text1,text2,text3;      //view
     JButton getProblem,checkAnswer;    //contrller
     JLabel answer;                     //view
     Window(){
    	 init();
    	 setVisible(true);
    	 setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
     }
	void init(){
		sum=new Sum();
		text1=new JTextField(10);
		text2=new JTextField(10);
		text1.setEditable(false);
		text2.setEditable(false);
		text3=new JTextField(10);
		answer=new JLabel("你还没回答呢！");
		getProblem=new JButton("获取题目");
		getProblem.addActionListener(this);
		
		checkAnswer=new JButton("确认答案");
		checkAnswer.addActionListener(this);
		setLayout(new FlowLayout());
		add(getProblem);
		add(text1);
		add(new JLabel("+"));
		add(text2);
		add(new JLabel("="));
		add(text3);
		add(checkAnswer);
		add(answer);
	}
	public void actionPerformed(ActionEvent e){
	       if(e.getSource()==checkAnswer){
	   	         int a,b,c;
		         a=Integer.parseInt(text1.getText());
		         b=Integer.parseInt(text2.getText());
		         c=Integer.parseInt(text3.getText());
		         sum.set(a, b);
		         if(c==sum.answer()){
		      	        answer.setText("答对了");
		      	        text3.setText("");      	        
		         }
		         if(c!=sum.answer()){
		      	        answer.setText("答错了");
		      	        text3.setText("");
		         }
	        }		
	       if(e.getSource()==getProblem){
	    	     text1.setText(String.valueOf(generateNumber.getNumber()) );
	    	     text2.setText(String.valueOf(generateNumber.getNumber()) );
	    	     answer.setText("你还没回答呢！");
	       }
	       
	       
	}
	
	
}

Number.java

public class Number {
    private int a;
	public int getNumber(){
		a=(int)(Math.random()*100)+1;
		return a;
	}
}

sum.java

public class Sum {
    private int a,b,c;
    public void set(int a,int b){
    	this.a=a;
    	this.b=b;
    }
	public int answer(){
		c=a+b;
		return c;
	}
}