?? computer_client.java
字號(hào):
import java.net.*;import java.io.*;import java.awt.*;import java.awt.event.*;import java.applet.*;public class Computer_client extends Applet implements Runnable,ActionListener{ Button 計(jì)算;TextField 輸入三邊長(zhǎng)度文本框,計(jì)算結(jié)果文本框; Socket socket=null; DataInputStream in=null; DataOutputStream out=null; Thread thread; public void init() {setLayout(new GridLayout(2,2)); Panel p1=new Panel(),p2=new Panel(); 計(jì)算=new Button(" 計(jì)算"); 輸入三邊長(zhǎng)度文本框=new TextField(12);計(jì)算結(jié)果文本框=new TextField(12); p1.add(new Label("輸入三角形三邊的長(zhǎng)度,用逗號(hào)或空格分隔:"));p1.add( 輸入三邊長(zhǎng)度文本框); p2.add(new Label("計(jì)算結(jié)果："));p2.add(計(jì)算結(jié)果文本框);p2.add(計(jì)算); 計(jì)算.addActionListener(this); add(p1);add(p2); } public void start() { try {socket = new Socket(this.getCodeBase().getHost(), 4331); in = new DataInputStream(socket.getInputStream()); out = new DataOutputStream(socket.getOutputStream()); } catch (IOException e){} if (thread == null) {thread = new Thread(this); thread.setPriority(Thread.MIN_PRIORITY); thread.start(); } } public void run() {String s=null; while(true) { try{s=in.readUTF(); } catch (IOException e) {計(jì)算結(jié)果文本框.setText("與服務(wù)器已斷開");break;} 計(jì)算結(jié)果文本框.setText(s); } } public void actionPerformed(ActionEvent e) {if (e.getSource()==計(jì)算) { String s=輸入三邊長(zhǎng)度文本框.getText(); if(s!=null) { try{out.writeUTF(s);} catch(IOException e1){} } } }}?? 快捷鍵說明
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