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Java 线程后中断。中断()不起作用_Java_Multithreading_User Interface_Awt_Event Dispatch Thread - Fatal编程技术网

Java 线程后中断。中断()不起作用

Java 线程后中断。中断()不起作用,java,multithreading,user-interface,awt,event-dispatch-thread,Java,Multithreading,User Interface,Awt,Event Dispatch Thread,下面的代码是为带有多线程的SlotMachine GUI编写的。当我按下应用程序中的停止按钮时。我希望每个线程都会被中断,进入catch,打印一个错误,再继续几圈,然后中断。不幸的是,当按下停止按钮时,它不会进入锁扣,也不会断开。事实上,数字似乎在加速。谁能帮我弄点光吗?为什么线程即使在Thread.interrupt()之后也不中断;?谢谢大家! import java.awt.*; import java.awt.event.*; import java.util.Random; @Sup

下面的代码是为带有多线程的SlotMachine GUI编写的。当我按下应用程序中的停止按钮时。我希望每个线程都会被中断,进入catch,打印一个错误,再继续几圈,然后中断。不幸的是,当按下停止按钮时,它不会进入锁扣,也不会断开。事实上,数字似乎在加速。谁能帮我弄点光吗?为什么线程即使在Thread.interrupt()之后也不中断;?谢谢大家!

import java.awt.*;
import java.awt.event.*;
import java.util.Random;

@SuppressWarnings("serial")
public class SlotMachine extends Frame {
private TextField textWindow1, textWindow2, textWindow3, resultWindow;
private int count1 = 0, count2 = 0, count3 = 0, result1 = 0, result2 = 0,
        result3 = 0;
private Button toggleButton;
public static final int HEIGHT = 150;
public static final int WIDTH = 100;
Random generator = new Random();

public static void main(String[] args) {
    SlotMachine counterWindow = new SlotMachine();
    counterWindow.setVisible(true);

}// main

public SlotMachine() {
    setSize(WIDTH, HEIGHT);

    addWindowListener(new WindowDestroyer());
    setTitle("Slot Machine");
    setBackground(Color.orange);

    setLayout(new FlowLayout());

    textWindow1 = new TextField(1);
    add(textWindow1);
    textWindow1.setText("*");

    textWindow2 = new TextField(1);
    add(textWindow2);
    textWindow2.setText("*");

    textWindow3 = new TextField(1);
    add(textWindow3);
    textWindow3.setText("*");

    toggleButton = new Button("Start");
    toggleButton.addActionListener(new ToggleButtonListener());
    add(toggleButton);

    resultWindow = new TextField(10);
    add(resultWindow);
    resultWindow.setText("");

}

private class box1Thread extends Thread {

    public void run() {
        while (true) {
            try {
                Thread.sleep(50);
                result1 = (count1++) % 4;
                textWindow1.setText(Integer.toString(result1));
            } catch (InterruptedException e) {
                System.err.println("Interrupted.");
                int randomInt = generator.nextInt(25);
                for (int i = 0; i < randomInt; i++) {
                    result1 = (count1++) % 4;
                    textWindow1.setText(Integer.toString(result1));
                }
                break;
            }

        }
    }
}

private class box2Thread extends Thread {

    public void run() {
        while (true) {
            try {
                Thread.sleep(50);
                result2 = (count2++) % 4;
                textWindow2.setText(Integer.toString(result2));
            } catch (InterruptedException e) {
                System.err.println("Interrupted.");
                int randomInt = generator.nextInt(25);
                for (int i = 0; i < randomInt; i++) {
                    result2 = (count2++) % 4;
                    textWindow2.setText(Integer.toString(result2));
                }
                break;
            }
        }
    }
}

private class box3Thread extends Thread {

    public void run() {
        while (true) {
            try {
                Thread.sleep(50);
                result3 = (count3++) % 4;
                textWindow3.setText(Integer.toString(result3));
            } catch (InterruptedException e) {
                System.err.println("Interrupted.");
                int randomInt = generator.nextInt(25);
                for (int i = 0; i < randomInt; i++) {
                    result3 = (count3++) % 4;
                    textWindow3.setText(Integer.toString(result3));
                }
                break;
            }
        }
    }
}

private class ToggleButtonListener implements ActionListener {

    public void actionPerformed(ActionEvent e) {
        box1Thread counter1Thread = new box1Thread();
        box2Thread counter2Thread = new box2Thread();
        box3Thread counter3Thread = new box3Thread();
        if (e.getActionCommand().equals("Stop")) {

            counter1Thread.interrupt();
            counter2Thread.interrupt();
            counter3Thread.interrupt();

            toggleButton.setLabel("Start");
            if (result1 == result2 && result2 == result3) {
                resultWindow.setText("You Win!");
            } else {
                resultWindow.setText("Sorry, You Lose!");
            }
        }

        else if (e.getActionCommand().equals("Start")) {

            counter1Thread.start();
            counter2Thread.start();
            counter3Thread.start();
            toggleButton.setLabel("Stop");
            resultWindow.setText("");

        }
    }
}

}
import java.awt.*;
导入java.awt.event.*;
导入java.util.Random;
@抑制警告(“串行”)
公共类SlotMachine扩展框架{
私有文本字段textWindow1、textWindow2、textWindow3、resultWindow;
private int count1=0,count2=0,count3=0,result1=0,result2=0,
结果3=0;
专用按钮切换按钮;
公共静态最终内部高度=150;
公共静态最终整数宽度=100;
随机生成器=新随机();
公共静态void main(字符串[]args){
SlotMachine计数器窗口=新SlotMachine();
计数器窗口。设置为可见(true);
}//主要
公共SlotMachine(){
设置尺寸(宽度、高度);
addWindowListener(新的WindowDestroyer());
setTitle(“老虎机”);
挫折背景(橙色);
setLayout(新的FlowLayout());
textWindow1=新的TextField(1);
添加(文本窗口1);
textWindow1.setText(“*”);
textWindow2=新的TextField(1);
添加(文本窗口2);
textWindow2.setText(“*”);
textWindow3=新的TextField(1);
添加(文本窗口3);
textWindow3.setText(“*”);
toggleButton=新按钮(“开始”);
addActionListener(新的ToggleButtonListener());
添加(切换按钮);
resultWindow=新文本字段(10);
添加(结果);
resultWindow.setText(“”);
}
私有类box1Thread扩展线程{
公开募捐{
while(true){
试一试{
睡眠(50);
结果1=(count1++)4;
textWindow1.setText(Integer.toString(result1));
}捕捉(中断异常e){
System.err.println(“中断”);
int randomInt=generator.nextInt(25);
对于(int i=0;i
每次调用
actionPerformed()
时,您都在创建新线程。您需要创建一次线程并保存这些引用。

我认为问题在于事件处理过程。实际上,当您按stop时,actioncommand仍处于“开始”状态。 不要设置标签,而是尝试使用

toggleButton.setActionCommand("Stop");

为什么在2013年,该代码使用上一个千年的组件?为什么不使用Swing?顺便说一句,这与“小型应用程序”的一般含义无关。我只是注意到太=P了