5.1作业5 四则运算 测试与封装

　　这次作业是我们小组成员我（21林庆光）和同伴（13卢盛添）的结伴作业，按照老师的要求我们换了同伴组队来完成这次的作业。这次的作业是在上次作业四则运算的基础上完成的，实现了对其计算功能类的封装，完成代码如下：
import java.awt.BorderLayout;

import java.awt.Color;

import java.awt.Component;

import java.awt.Container;

import java.awt.Dimension;

import java.awt.Font;

import java.awt.Panel;

import java.awt.Toolkit;

import java.awt.event.ActionEvent;

import java.awt.event.ActionListener;

import java.awt.event.MouseEvent;

import java.awt.event.MouseListener;



import javax.swing.ButtonGroup;

import javax.swing.ImageIcon;

import javax.swing.JButton;

import javax.swing.JColorChooser;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.JPanel;

import javax.swing.JPasswordField;

import javax.swing.JPopupMenu;

import javax.swing.JRadioButtonMenuItem;

import javax.swing.JTextField;

 

/**

 * 倒计时

 *

 */

public class Counter  {



    public static void main(String[] args) {

 

         Xiao xiao=new Xiao(); 

         xiao.visiable();



         

    }



    public void repaint() {

        // TODO 自动生成的方法存根

        

    }



    public Component getContentPane() {

        // TODO 自动生成的方法存根

        return null;

    }



    public void visiable() {

        

        

    }

}



    /* 构造 实现界面的开发 GUI */

   class Xiao extends JFrame implements ActionListener{

      

        public static double daan=0;

        public static double sum=0;

        public static int a=0;

        public static int b=0;

        public static int ch=0;

        public static int n=0;

        public static double i=0 ;

        public static double j=0 ;

        public static double m=0 ;

        public JFrame jf = new JFrame("小学生四则运算管理系统");  

        public Container con = jf.getContentPane(); 

        Panel P1=new Panel();

        Panel P2=new Panel();

        Panel P3=new Panel();

        public Toolkit toolkit = Toolkit.getDefaultToolkit();   

        public Dimension sc = toolkit.getScreenSize();  

        public JLabel name1 = new JLabel("请输入答案");    

        public JLabel pass1 = new JLabel("信息提醒");

        public JLabel pass2 = new JLabel("所剩时间");

        public JLabel pass3 = new JLabel("更换皮肤");

        public JLabel pass4 = new JLabel("时间提醒");

        public JTextField textName = new JTextField();   

        public JTextField textPs = new JTextField();

        public JTextField text1 = new JTextField(); 

        public JTextField text2 = new JTextField(); 

        public JTextField text3 = new JTextField(); 

        public JButton button1 = new JButton("随机获取题目");    

        public JButton button2 = new JButton("确定"); 

        public JButton button3 = new JButton("重置");

        public JButton button4 = new JButton("黄色"); 

        public JButton button5 = new JButton("绿色"); 

        public JButton button6 = new JButton("粉色"); 

        public Font font1 = new Font("宋体",1,14); 

        public Font font2 = new Font("宋体",0,12);

    public Xiao() {

      

        JPanel jp = new JPanel();

        con.setLayout(null); 

        name1.setFont(font1);  

        name1.setLocation(52,25);    

        name1.setSize(80,180);

        name1.setForeground(Color.black);    

        pass1.setLocation(55,90);    

        pass1.setSize(80,250);     

        pass1.setForeground(Color.black);    

        pass1.setFont(font1);   

        pass2.setLocation(55,110);    

        pass2.setSize(100,300);     

        pass2.setForeground(Color.black);    

        pass2.setFont(font1);

        pass3.setLocation(55,160);    

        pass3.setSize(100,305);     

        pass3.setForeground(Color.black);    

        pass3.setFont(font1);

        pass4.setLocation(280,110);    

        pass4.setSize(100,300);     

        pass4.setForeground(Color.black);    

        pass4.setFont(font1);

        textName.setSize(140, 20);    

        textName.setLocation(170, 70);    

        textPs.setSize(140, 20);      

        textPs.setLocation(170, 105); 

        text1.setSize(140, 20);      

        text1.setLocation(170, 205);

        text2.setSize(100, 20);      

        text2.setLocation(170, 250);

        text3.setSize(100, 20);      

        text3.setLocation(350, 250);

        button1.setSize(110,30);    

        button1.setLocation(40,63 );    

        button1.setFont(font2);    

        button2.setSize(60,25);     

        button2.setLocation(320, 100);    

        button2.setFont(font2);

        button3.setSize(60,25);     

        button3.setLocation(400, 100);    

        button3.setFont(font2);

        button4.setSize(60,25);     

        button4.setLocation(170, 300);    

        button4.setFont(font2);

        button5.setSize(60,25);     

        button5.setLocation(240, 300);    

        button5.setFont(font2);

        button6.setSize(60,25);     

        button6.setLocation(310, 300);    

        button6.setFont(font2);

        

        con.add( button4, BorderLayout.NORTH);

        con.add(name1);    

        con.add(pass1);

        con.add(pass2);

        con.add(pass3);

        con.add(pass4);

        con.add(textName);    

        con.add(textPs); 

        con.add(text1);  

        con.add(text2); 

        con.add(text3);  

        con.add(button1);    

        con.add(button2);

        con.add(button3); 

        con.add(button4);

        con.add(button5);

        con.add(button6);

        con.setBackground(Color.orange);  

        

        jf.setResizable(false);    

        jf.add(jp);

        jf.setVisible(true);

        jf.setLocation(300, 300);

        jf.setSize(500, 400);

        jf.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

        textName.addActionListener(this);

        textPs.addActionListener(this);

        text1.addActionListener(this);

        text2.addActionListener(this);

        button1.addActionListener( this);

        button2.addActionListener( this);

        button3.addActionListener( this);

        button3.addActionListener( this);

        button4.addActionListener( this);

        button5.addActionListener( this);

        button6.addActionListener( this);

           long time = 1 * 120; // 自定义倒计时时间

        long hour = 0;

        long minute = 0;

        long seconds = 0;

 

        while (time >= 0) {

            

            minute = (time - hour * 3600) / 60;

            seconds = time - hour * 3600 - minute * 60;

           

            text2.setText(hour + "时"+minute + "分"+seconds + "秒");

            try {

                Thread.sleep(1000);

            } catch (InterruptedException e) {

                e.printStackTrace();

            }

            time--;

        

        if(time==0){

            

        text3.setText("答题时间结束！！");

        }

        }

       

    }

    void visiable()

    {

        this.setVisible(true);

    }

 

    public void actionPerformed(ActionEvent e) {

        if (e.getSource() == button1) {

            Jsuan deleinfo =new Jsuan();

            deleinfo.visiable();

            

        }

        

        else if(e.getSource()==button2)

        {

             

                daan=Integer.parseInt(textPs.getText());

                

             if(daan==sum)

             {

                

                 text1.setText("回答正确！你得到10分!");

                 textPs.setText(null);

                 i=i+10;

             }

             else{

                 text1.setText("回答错误，扣掉10分！" );

                 i=i-10;

                 textPs.setText(null);

             }

        }



        else if(e.getSource()== button3){

            textPs.setText(null); 

        }

        else if(e.getSource()== button4){

            con.setBackground(Color.yellow); //设置窗口背景  

            repaint(); //重绘窗口  

            return;  

        }

        else if(e.getSource()== button5){

            con.setBackground(Color.green); //设置窗口背景  

            repaint(); //重绘窗口  

            return;

        }

        else if(e.getSource()== button6){

            con.setBackground(Color.pink); //设置窗口背景  

            repaint(); //重绘窗口  

            return;

        }

      }

   

    class Jsuan extends JFrame implements ActionListener{

    public   Jsuan(){

        a=(int)(Math.random()*(-200))+100;

        b=(int)(Math.random()*(-200))+100;

        ch=(int)(Math.random()*5)+1;

        n=(int)(Math.random()*5)+1;

        

        if(a<0 && b>0){

            switch(ch){

                case 1:

                {

                    sum=a+b;

                    textName.setText("("+a+")"+"+"+b+"=?");

                    break;

                }

                case 2:

                {

                    sum=a-b;

                    textName.setText("("+a+")"+"-"+b+"=?");

                    break;

                }

                case 3:

                {

                    sum=a*b;

                    textName.setText("("+a+")"+"*"+b+"=?");

                    break;

                }

                case 4:

                {

                    sum=a/b;

                    textName.setText("("+a+")"+"/"+b+"=?");

                    break;

                }

                case 5:           //6.阶乘算法，n为随机生成数

                {

                    sum=1;

                    for(j=1;j<=n;i++)

                    sum=sum*i;

                    textName.setText(n+"!"+"=?");

                    break;

                }

            }

        }

        



        else if(a>0 && b<0){

            switch(ch){

                case 1:

                {

                    sum=a+b;

                    textName.setText(a+"+"+"("+b+")"+"=?");

                    break;

                }

                case 2:

                {

                    sum=a-b;

                    textName.setText(a+"-"+"("+b+")"+"=?");

                    break;

                }

                case 3:

                {

                    sum=a*b;

                    textName.setText(a+"*"+"("+b+")"+"=?");

                    break;

                }

                case 4:

                {

                    sum=a/b;

                    textName.setText(a+"/"+"("+b+")"+"=?");

                    break;

                }

                case 5:           //6.阶乘算法，n为随机生成数

                {

                    sum=1;

                    for(j=1;j<=n;i++)

                    sum=sum*i;

                    textName.setText(n+"!"+"=?");

                    break;

                }

            }

        }

        



        else if(a<0 && b<0){

            switch(ch){

                case 1:

                {

                    sum=a+b;

                    textName.setText("("+a+")"+"+"+"("+b+")"+"=?");

                    break;

                }

                case 2:

                {

                    sum=a-b;

                    textName.setText("("+a+")"+"-"+"("+b+")"+"=?");

                    break;

                }

                case 3:

                {

                    sum=a*b;

                    textName.setText("("+a+")"+"*"+"("+b+")"+"=?");

                    break;

                }

                case 4:

                {

                    sum=a/b;

                    textName.setText("("+a+")"+"/"+"("+b+")"+"=?");

                    break;

                }

                case 5:           //6.阶乘算法，n为随机生成数

                {

                    sum=1;

                    for(j=1;j<=n;i++)

                    sum=sum*i;

                    textName.setText(n+"!"+"=?");

                    break;

                }

            }

        }

        else{

            switch(ch){

                case 1:

                {

                    sum=a+b;

                    textName.setText(a+"+"+b+"=?");

                    break;

                }

                case 2:

                {

                    sum=a-b;

                    textName.setText(a+"-"+b+"=?");

                    break;

                }

                case 3:

                {

                    sum=a*b;

                    textName.setText(a+"*"+b+"=?");

                    break;

                }

                case 4:

                {

                    sum=a-b;

                    textName.setText(a+"/"+b+"=?");

                    break;

                }

                case 5:           //6.阶乘算法，n为随机生成数

                {

                    sum=1;

                    for(j=1;j<=n;i++)

                    sum=sum*i;

                    textName.setText(n+"!"+"=?");

                    break;

                }

            }

        }

        

 }



    public void visiable() {

        // TODO 自动生成的方法存根

        

    }



    @Override

    public void actionPerformed(ActionEvent arg0) {

        // TODO 自动生成的方法存根

        

    }

}

   

   } 
下面有程序截图，这次作业是由我和我的同伴14卢盛添共同完成，不过他没开通博客，还望老师理解。


   

这两张截图是程序的封装和调用。