利用Java线程及JFrame面板制作一个随机摇号小程序

拼搏现实的明天。 2022-05-25 09:42 181阅读 0赞

很多都是自己写的，慢慢的尝试，里面改了很多次数

但是最后的结果是没有错的

最后的最后终于得到想要的结果

慢慢的训练总能得到训练的

加油！！！！

上代码：

import java.awt.Color;  
import java.awt.event.ActionEvent;  
import java.awt.event.ActionListener;  
  
  
import javax.swing.Icon;  
import javax.swing.JButton;  
import javax.swing.JDialog;  
import javax.swing.JLabel;  
import javax.swing.JScrollPane;  
import javax.swing.JTextArea;  
import javax.swing.JTextField;  
  
  
public class MDialog extends JDialog \{  
private JTextField tf1,tf2,tf3,tf4;  
MThread mt1,mt2,mt3,mt4;  
JButton bt1,bt2,bt3;  
JTextArea ja=new JTextArea();  
JLabel jl\[\]=\{null,null,null,null\};  
JLabel jb=new JLabel();  
JScrollPane scoll=new JScrollPane();  
ThreadGroup tg=new ThreadGroup("摇号");  
//static boolean isstop=true;  
public MDialog()\{  
this.setTitle("随机摇号小程序");  
this.setBackground(Color.BLUE);  
this.setBounds(100, 100, 450, 300);  
getContentPane().setLayout(null);  
bt1=createButton(this,"开始",0);  
tf1=createTextField(this, 0);  
tf2=createTextField(this, 1);  
tf3=createTextField(this, 2);  
tf4=createTextField(this, 3);  
mt1=new MThread(tf1, tg);  
mt2=new MThread(tf2, tg);  
mt3=new MThread(tf3, tg);  
mt4=new MThread(tf4, tg);  
bt1.addActionListener(new ActionListener() \{  
public void actionPerformed(ActionEvent e) \{  
//String n1=tf1.getText();  
//String n2=tf2.getText();  
//String n3=tf3.getText();  
//String n4=tf4.getText();  
//isstop=true;  
//MThread t1=new MThread(tf1,tg);  
//MThread t2=new MThread(tf2,tg);  
//MThread t3=new MThread(tf3,tg);  
//MThread t4=new MThread(tf4,tg);  
//MThread t1=new MThread(tf1,tg);  
mt1.start();  
mt2.start();  
mt3.start();  
mt4.start();  
bt1.setEnabled(false);  
\}  
\});  
JLabel lb=new JLabel("数字显示");  
lb.setBounds(37, 27, 54, 15);  
this.getContentPane().add(lb);  
  
//jl\[0\]=createJLabel(this, 0);  
//jl\[1\]=createJLabel(this, 1);  
//jl\[2\]=createJLabel(this, 2);  
//jl\[3\]=createJLabel(this, 3);  
//jl1.setBounds(60, 90, 35, 21);  
//jl2.setBounds(98, 90,35, 21);  
//jl3.setBounds(136, 90,35, 21);  
//jl4.setBounds(174, 90,35, 21);  
//this.add(jl\[0\]);  
//this.add(jl\[1\]);  
//this.add(jl\[2\]);  
//this.add(jl\[3\]);  
ja.setBounds(37, 90, 200, 150);  
this.add(ja);  
this.add(scoll);  
bt2=createButton(this, "抽取一次", 1);  
bt2.addActionListener(new ActionListener() \{  
public void actionPerformed(ActionEvent e) \{  
//isstop=false;  
//mt1.interrupt();  
//mt2.interrupt();  
//mt3.interrupt();  
//mt4.interrupt();  
//System.out.println(mt1.s);  
//String s1;  
//s1=(mt1.m+"");  
//String s2;  
//s2=(mt2.m+"");  
//String s3;  
//s3=(mt3.m+"");  
//String s4;  
s4=(mt4.m+"");  
//jl\[0\].setText(mt1.jf.getText());  
//jl\[1\].setText(mt2.jf.getText());  
//jl\[2\].setText(mt3.jf.getText());  
//jl\[3\].setText(mt4.jf.getText());  
tg.interrupt();  
synchronized (mt1) \{  
synchronized (mt2) \{  
synchronized (mt3) \{  
synchronized (mt4) \{  
//System.out.println();  
//ja.setLineWrap(true);  
ja.append("\\n"+mt1.jf.getText()+""+mt2.jf.getText()+""+mt3.jf.getText()+""+mt4.jf.getText());  
//scoll.add(ja);  
//ja.setText(mt2.jf.getText());  
\}  
\}  
\}  
\}  
bt2.setEnabled(false);  
\}  
  
\});  
bt3=createButton(this, "继续", 2);  
bt3.addActionListener(new ActionListener() \{  
public void actionPerformed(ActionEvent e) \{  
tg.resume();  
bt1.setEnabled(false);  
bt2.setEnabled(true);  
\}  
\});  
\}  
public static int getnumber(int n)\{  
int m;  
m=n;  
return m;  
\}  
public class MThread extends Thread \{  
int i=0;  
JTextField jf=new JTextField();  
//int m;  
public MThread(JTextField jf,ThreadGroup tg)\{  
super(tg,"摇号");  
this.jf=jf;  
\}  
public void run()\{  
while(true)\{  
//int t=0;  
synchronized (this) \{  
i=(i+1)%10;  
jf.setText(""+i);  
//  
\}  
if(this.interrupted())\{  
this.suspend();  
\}  
//t++;  
\}  
\}  
\}  
public static void main(String\[\] args)\{  
try\{  
MDialog dialog=new MDialog();  
dialog.setDefaultCloseOperation(JDialog.DISPOSE\_ON\_CLOSE);  
dialog.setVisible(true);  
\}catch(Exception e)\{  
e.printStackTrace();  
\}  
\}  
public static JTextField createTextField(MDialog mg, int i)\{  
JTextField jf=new JTextField();  
jf.setBounds(37+i\*38,52,35,21);  
mg.getContentPane().add(jf);  
return jf;  
\}  
public static JLabel createJLabel(MDialog mg,int i)\{  
JLabel jl=new JLabel();  
jl.setBounds(37+i\*38, 90, 35, 21);  
mg.getContentPane().add(jl);  
return jl;  
\}  
public static JButton createButton(MDialog mg, String string, int i)\{  
//Icon name;  
JButton jb=new JButton(string);  
jb.setBounds(300, 52+i\*35, 95, 25);  
mg.getContentPane().add(jb);  
return jb;  
\}

![70][]

![70 1][]

[70]: /images/20220525/a6bb11ce3f0449b5aed3ba8474de951f.png
[70 1]: /images/20220525/c6d13113d92b4ae58c816db3cdc18b6c.png