结对编程

Posted 2020-08-07

结对编程：简易四则运算

 

功能：进行简易的四则运算，并根据给出的结果判断正误。

实现：使用java的图形化界面实现。

 

package six;

 import javax.swing.*;

 import java.awt.*;

 import java.awt.event.*;

 import java.lang.*;

 

 

class Num{

         private int a;

        

         public Num()

         {

                   this.a = (int)(Math.random()*100);

         }

        

         public int get_num()

         {

                   return this.a;

         }

        

         public int num_sum(Num B)

         {

                   return this.a + B.a;

         }

        

         public int num_dec(Num B)

         {

                   return this.a - B.a;

         }

        

         public int num_c(Num B)

         {

                   return this.a * B.a;

         }

        

         public int num_chu(Num B)

         {

                   return this.a / B.a;

         }

        

         public void flash()

         {

                   this.a = (int)(Math.random()*100);

         }

}

 

public class Main {

    private static JFrame frame = new JFrame("简单四则运算");

    private static JLabel label1 = new JLabel(" ");

    private static JLabel label2 = new JLabel(" ");

    private static JLabel label3 = new JLabel(" ");

    private static JLabel label4 = new JLabel(" "+"="+" ");

    private static JLabel label5 = new JLabel("结果");

    private static JButton button = new JButton("查看");

    private static JTextField text = new JTextField(5);

    private static JPanel pane = new JPanel();            //容器

   

    public static void main(String[] args) {

        pane.setBorder(BorderFactory.createEmptyBorder(20,60,20,60));

        pane.setLayout(new GridLayout(0,5));           //设置布局

        pane.add(label1);

        pane.add(label2);

        pane.add(label3);

        pane.add(label4);

        pane.add(text);

        pane.add(label5);

        pane.add(button);

        Num a = new Num(),b = new Num();

        //int a = (int)(Math.random()*100);

        //int b = (int)(Math.random()*100);

        int c = (int)(Math.random()*4)+1;

                   String p = " ";

        final int n;

                   int q = 0;

        if(c == 1)

        {

                 p = "+";

                 q = a.num_sum(b);

        }

        if(c == 2)

        {

                 p = "-";

                 q = a.num_dec(b);

        }

        if(c == 3)

        {

                 p = "*";

                 q = a.num_c(b);

        }

        if(c == 4)

        {

                 p = "/";

                 q = a.num_chu(b);

        }

        n = q;

        

        frame.getContentPane().add(pane,BorderLayout.CENTER);

        button.setMnemonic(KeyEvent.VK_I);

        

        button.addActionListener(new ActionListener(){       //鼠标单击事件

            public void actionPerformed(ActionEvent e){

                     if(n == Integer.parseInt(text.getText().trim()))

                               label5.setText("正确！");

                     else

                               label5.setText("错误！");

                    

            }

        });

        frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        frame.pack();

        label1.setText(" "+a.get_num()+" ");

        label2.setText(p);

        label3.setText(" "+b.get_num()+" ");

       

        frame.setVisible(true);

    }

}
运算结果：

 

 

 

 

 结对人：王东涵