java水果问题求教

鞳雪無痕 2012-04-22 05:34:44
请各位高手帮下忙 为何下列代码执行后 点击开始按钮后 在文本框不会输出内容 代码没有报错
import java.awt.EventQueue;
import java.util.concurrent.Semaphore;
import javax.swing.JFrame;
import javax.swing.JLabel;
import javax.swing.ImageIcon;
import java.awt.Font;
import java.awt.Color;
import javax.swing.JTextField;
import java.awt.event.MouseAdapter;
import java.awt.event.MouseEvent;
import java.util.concurrent.*;
import java.lang.Thread;
public class FruitUI {
public Signal dish = new Signal(1);
public Signal Sapple = new Signal(0);
public Signal Sorange = new Signal(0);
public JFrame frame;
public JTextField textField;
public JTextField textField_1;
public JTextField textField_2;
public JTextField textField_3;

/**
* Launch the application.
*/
public static void main(String[] args) {
EventQueue.invokeLater(new Runnable() {
public void run() {
try {
FruitUI window = new FruitUI();
window.frame.setVisible(true);
} catch (Exception e) {
e.printStackTrace();
}
}
});
}

/**
* Create the application.
*/
public FruitUI() {
initialize();
}

/**
* Initialize the contents of the frame.
*/
public void initialize() {
frame = new JFrame();
frame.setBounds(100, 100, 566, 521);
frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
frame.getContentPane().setLayout(null);

JLabel label_1 = new JLabel("\u6C34\u679C\u95EE\u9898");
label_1.setForeground(new Color(0, 153, 255));
label_1.setFont(new Font("微软雅黑", Font.BOLD, 34));
label_1.setBounds(218, 0, 153, 56);
frame.getContentPane().add(label_1);

JLabel label_2 = new JLabel("");
label_2.setIcon(new ImageIcon("Z:\\Users\\superman303\\Pictures\\\u7D20\u6750
2.0btn
2-0btn_02.png"));
label_2.setBounds(157, 0, 256, 73);
frame.getContentPane().add(label_2);

JLabel label_3 = new JLabel("\u5F00\u59CB");
label_3.addMouseListener(new MouseAdapter() {
@Override
public void mouseClicked(MouseEvent arg0) {
Father father = new Father();
Mother mother = new Mother();
Son son = new Son();
Daughter daughter = new Daughter();
Thread f = new Thread(father);
Thread m = new Thread(mother);
Thread s = new Thread(son);
Thread d = new Thread(daughter);

f.start();
m.start();
s.start();
d.start();

}
}
);
label_3.setFont(new Font("黑体", Font.BOLD, 26));
label_3.setIcon(new ImageIcon("Z:\\Users\\superman303\\Pictures\\\u7D20\u6750
twg_retina_icon
video_play_64.png"));
label_3.setBounds(218, 386, 133, 73);
frame.getContentPane().add(label_3);

JLabel label_4 = new JLabel("");
label_4.setIcon(new ImageIcon("Z:\\Users\\superman303\\Pictures\\\u7D20\u6750
twg_retina_icon
arrow_right_64.png"));
label_4.setBounds(127, 175, 70, 79);
frame.getContentPane().add(label_4);

textField = new JTextField();
textField.setBounds(312, 137, 158, 39);
frame.getContentPane().add(textField);
textField.setColumns(10);

textField_1 = new JTextField();
textField_1.setBounds(312, 175, 158, 39);
frame.getContentPane().add(textField_1);
textField_1.setColumns(10);

textField_2 = new JTextField();
textField_2.setBounds(312, 224, 158, 39);
frame.getContentPane().add(textField_2);
textField_2.setColumns(10);

textField_3 = new JTextField();
textField_3.setBounds(312, 262, 158, 39);
frame.getContentPane().add(textField_3);
textField_3.setColumns(10);

}
}


class Signal extends Semaphore{
int values;
public Signal(int permits) {
super(permits);
this.value = permits;
// TODO Auto-generated constructor stub
}
int value;
public synchronized void P(){
value--;
if(value<0){
try {
wait();
} catch (InterruptedException e) {
e.printStackTrace();
}
}
}
public synchronized void V(){
value++;
if(value<=0){
this.notify();
}
}
}



class Mother extends FruitUI implements Runnable{


public void run() {
// TODO Auto-generated method stub

dish.P();

textField.setText("妈妈放橘子");

Sorange.V();
}
}

class Father extends FruitUI implements Runnable{


public void run() {
// TODO Auto-generated method stub
dish.P();
textField_2.setText("爸爸放苹果");
try {
Thread.sleep(200);
} catch (InterruptedException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
Sapple.V();
}

}


class Son extends FruitUI implements Runnable{


public void run() {
// TODO Auto-generated method stub

Sorange.P();
textField_1.setText("儿子取橘子");

dish.V();
}
}

class Daughter extends FruitUI implements Runnable{


public void run() {
// TODO Auto-generated method stub

Sapple.P();
String s = "女儿取苹果";
textField_3.setText(s);
dish.V();
}
}
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鞳雪無痕 2012-04-22
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谢谢你，问题基本解决了~~
周靖峰 2012-04-22
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楼主，你这样写是不对的，你让Father，Mother，Daughter，Son都继承于FruitUI，他们操作的数据实际上是他们内部的数据而不是FruitUI的数据，如果你要让它们修改FruitUI的数据，你应该不要让Father，Mother，Daughter，Son四个类继承FruitUI，而是通过传递参数的方法把需要的参数传到相应的类里面去，下面是我改的代码，关于图片的代码我删了，你自己重新补上去吧


import java.awt.EventQueue;

import java.util.concurrent.Semaphore;

import javax.swing.JFrame;

import javax.swing.JLabel;

import javax.swing.ImageIcon;

import java.awt.Font;

import java.awt.Color;

import javax.swing.JTextField;

import java.awt.event.MouseAdapter;

import java.awt.event.MouseEvent;

import java.util.concurrent.*;

import java.lang.Thread;



public class FruitUI {

	public Signal dish = new Signal(1);

	public Signal Sapple = new Signal(0);

	public Signal Sorange = new Signal(0);

	public JFrame frame;

	public JTextField textField;

	public JTextField textField_1;

	public JTextField textField_2;

	public JTextField textField_3;

	

	/**

	* Launch the application.

	*/

	public static void main(String[] args) {

		EventQueue.invokeLater(new Runnable() {

			public void run() {

				try {

					FruitUI window = new FruitUI();

					window.frame.setVisible(true);

				} catch (Exception e) {

					e.printStackTrace();

				}

			}

		});

	}

	

	/**

	* Create the application.

	*/

	public FruitUI() {

		initialize();

	}

	

	/**

	* Initialize the contents of the frame.

	*/

	public void initialize() {

		frame = new JFrame();

		frame.setBounds(100, 100, 566, 521);

		frame.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);

		frame.getContentPane().setLayout(null);

		

		JLabel label_1 = new JLabel("\u6C34\u679C\u95EE\u9898");

		label_1.setForeground(new Color(0, 153, 255));

		label_1.setFont(new Font("微软雅黑", Font.BOLD, 34));

		label_1.setBounds(218, 0, 153, 56);

		frame.getContentPane().add(label_1);

		

		JLabel label_2 = new JLabel("");

		//我这里没有图片，就把图片都注释掉了，你自己补上去吧

		//label_2.setIcon(new ImageIcon("Z:\\Users\\superman303\\Pictures\\\u7D20\u67502.0btn2-0btn_02.png"));

		label_2.setBounds(157, 0, 256, 73);

		frame.getContentPane().add(label_2);

		

		JLabel label_3 = new JLabel("\u5F00\u59CB");

		label_3.addMouseListener(new MouseAdapter() {

			@Override

			public void mouseClicked(MouseEvent arg0) {

				Father father = new Father(dish, Sapple, textField_2);

				Mother mother = new Mother(dish, Sorange, textField);

				Son son = new Son(dish, Sorange, textField_1);

				Daughter daughter = new Daughter(dish, Sapple, textField_3);

				Thread f = new Thread(father);

				Thread m = new Thread(mother);

				Thread s = new Thread(son);

				Thread d = new Thread(daughter);

				

				f.start();

				m.start();

				s.start();

				d.start();

				

			}

		}

	);

	label_3.setFont(new Font("黑体", Font.BOLD, 26));

	//label_3.setIcon(new ImageIcon("Z:\\Users\\superman303\\Pictures\\\u7D20\u6750twg_retina_iconvideo_play_64.png"));

	label_3.setBounds(218, 386, 133, 73);

	frame.getContentPane().add(label_3);

	

	JLabel label_4 = new JLabel("");

	//label_4.setIcon(new ImageIcon("Z:\\Users\\superman303\\Pictures\\\u7D20\u6750twg_retina_iconarrow_right_64.png"));

	label_4.setBounds(127, 175, 70, 79);

	frame.getContentPane().add(label_4);

	

	textField = new JTextField();

	textField.setBounds(312, 137, 158, 39);

	frame.getContentPane().add(textField);

	textField.setColumns(10);

	

	textField_1 = new JTextField();

	textField_1.setBounds(312, 175, 158, 39);

	frame.getContentPane().add(textField_1);

	textField_1.setColumns(10);

	

	textField_2 = new JTextField();

	textField_2.setBounds(312, 224, 158, 39);

	frame.getContentPane().add(textField_2);

	textField_2.setColumns(10);

	

	textField_3 = new JTextField();

	textField_3.setBounds(312, 262, 158, 39);

	frame.getContentPane().add(textField_3);

	textField_3.setColumns(10);

	

	}

}





class Signal extends Semaphore{

	int values;

	public Signal(int permits) {

		super(permits);

		this.value = permits;

		// TODO Auto-generated constructor stub

	}

	int value;

	

	public synchronized void P(){

		value--;

		if(value<0){

			try {

				wait();

			} catch (InterruptedException e) {

				e.printStackTrace();

			}

		}

	}

	

	public synchronized void V(){

		value++;

		if(value<=0){

			this.notify();

		}

	}

}







class Mother implements Runnable{



	private Signal dish;

	private Signal Sorange;

	private JTextField textField;

	

	public Mother(Signal dish, Signal Sorange, JTextField textField)

	{

		this.dish = dish;

		this.Sorange = Sorange;

		this.textField = textField;

	}



	public void run() {

		// TODO Auto-generated method stub

		

		dish.P();

		

		textField.setText("妈妈放橘子");

		

		Sorange.V();

	}

}



class Father implements Runnable{



	private Signal dish;

	private Signal Sapple;

	private JTextField textField_2;

	

	public Father(Signal dish, Signal Sapple, JTextField textField_2)

	{

		this.dish = dish;

		this.Sapple = Sapple;

		this.textField_2 = textField_2;

	}



	public void run() {

		// TODO Auto-generated method stub

		dish.P(); 

		textField_2.setText("爸爸放苹果");

		try {

			Thread.sleep(200);

		} catch (InterruptedException e) {

			// TODO Auto-generated catch block

			e.printStackTrace();

		}

		Sapple.V();

	}



}





class Son implements Runnable{



	private Signal dish;

	private Signal Sorange;

	private JTextField textField_1;

	

	public Son(Signal dish, Signal Sorange, JTextField textField_1)

	{

		this.dish = dish;

		this.Sorange = Sorange;

		this.textField_1 = textField_1;

	}



	public void run() {

		// TODO Auto-generated method stub

		

		Sorange.P();

		textField_1.setText("儿子取橘子");

		

		dish.V();

	}

}



class Daughter implements Runnable{

	

	private Signal dish;

	private Signal Sapple;

	private JTextField textField_3;

	

	public Daughter(Signal dish, Signal Sapple, JTextField textField_3)

	{

		this.dish = dish;

		this.Sapple = Sapple;

		this.textField_3 = textField_3;

	}

	

	public void run() {

		// TODO Auto-generated method stub

		

		Sapple.P();

		String s = "女儿取苹果";

		textField_3.setText(s);

		dish.V();

	}

}
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