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。