java---简单的qq聊天源码

1、GetMessage.java服务端:import java.io.BufferedReader;import java.io.;import java.io.IOException;import java.io.InputStreamReader;import .ServerSocket;import .Socket;import javax.swing.JLabel;import javax.swing.JTextArea;public class GetMessage extends Threadprivate int i;String v;JLabel label=null;priva

2、te JTextArea text;public GetMessage(int i,JTextArea text) this.i=i;this.text=text;public void run()try ServerSocket so = new ServerSocket(i);Socket s = so.accept();while(true)InputStreamReader i = new InputStreamReader(s.getInputStream();BufferedReader b = new BufferedReader(i); v= b.readLine(); tex

3、t.append("对方说"+v+"n"); catch (IOException e) /label.setText("对方已经下线");text.append("对方下线了。");SendMessage.java客户端：import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintStream;import .Socket;import .UnknownH

4、ostException;import javax.swing.JLabel;import javax.swing.JTextArea;import javax.swing.JTextField;public class SendMessage extends Thread private String ip;private int i;Socket s = null;JLabel label=null;JTextField text;JTextArea text1;public SendMessage(String ip,int i,JTextArea text1) / TODO Auto-

5、generated constructor stubthis.ip=ip;this.i=i;this.text1=text1; public void run() while(true)try s = new Socket(ip,i); text1.setText("连接成功"+"n"); break; catch (Exception e) try Thread.sleep(1000); catch (InterruptedException e1) System.out.println("出错了。"); public void s

6、end(String message) try PrintStream p = new PrintStream(s.getOutputStream();p.println(message); catch (Exception e1) System.out.println("异常"+e1.getMessage(); Test.java 简单的界面和测试类import java.awt.*;import java.awt.event.*;import java.io.ByteArrayInputStream;import java.io.InputStream;import j

7、ava.util.*;import javax.swing.*;import javax.swing.event.*;class WindowTextArea extends JFrame implements ActionListener String s;JTextArea text1; JTextArea text2; JButton button1,button2,button3; SendMessage t2; GetMessage t1; JLabel lable1,lable2; JTextField text; WindowTextArea() this.s=s; lable1

8、=new JLabel("对方ip"); text=new JTextField(20); text1=new JTextArea(6,18); text2=new JTextArea(6,18); text2.setEditable(false); button1=new JButton("发送"); button2=new JButton("关闭"); button3=new JButton("确定ip"); setBounds(100,100,450,300); setVisible(true); Conta

9、iner con=getContentPane(); con.setLayout(new FlowLayout(); con.add(lable1); con.add(text); con.add(button3); con.add(new JScrollPane(text1); con.add(new JScrollPane(text2); con.add(button1); con.add(button2); button1.addActionListener(this); button2.addActionListener(this); button3.addActionListener

10、(this); con.validate(); setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE); public void runthread(String ip) t1 = new GetMessage(4066,text2); t1.start(); t2=new SendMessage(ip,4066,text2); t2.start(); public void actionPerformed(ActionEvent e) / TODO Auto-generated method stubif(e.getSource()=button2)Sy

11、stem.exit(0);if(e.getSource()=button1) text2.append(text1.getText()+"n"); t2.send(text1.getText(); text1.setText("");if(e.getSource()=button3) s=text.getText();runthread(s); public class Test /* * param args */public static void main(String args) new WindowTextArea();new WindowTe

12、xtArea();向对方发送信息之前必须输入对方ip和点击确定ip按钮，文本区显示“连接成功”然后可以发送信息作者：曾建路package com.neusoft.test.对文件的内容操作.字节流.每次读取固定大小的文件内容;import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.;import java.io.;import java.io.;public class Test /* * param args * throws Exception */public static void ma

13、in(String args) throws Exception fout = new ("e:/heihei.RMVB");DataOutputStream dout = new DataOutputStream(fout);long start = System.currentTimeMillis();/读取原文件的输入流 f = new ("d:/heihei.RMVB");DataInputStream d = new DataInputStream(f);/-创建一个byte类型数组，定义数据包的大小为2048 (2kb)byte b = new byte2048;int i = d.read(b);/读取文件的内容返回值是 本次读取到的字节的长度while(i != -1)dout.w