java簡(jiǎn)單的qq聊天源碼

1、GetMessage.java服務(wù)端:import java.io.BufferedReader;import java.io.FileReader;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=

2、null;private 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.readL

3、ine(); text.append("對(duì)方說"+v+"n"); catch (IOException e) /label.setText("對(duì)方已經(jīng)下線");text.append("對(duì)方下線了。");SendMessage.java客戶端：import java.io.BufferedReader;import java.io.IOException;import java.io.InputStreamReader;import java.io.PrintStream;import .Socket;import

4、 .UnknownHostException;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) /

5、TODO Auto-generated constructor stubthis.ip=ip;this.i=i;this.text1=text1; public void run() while(true)try s = new Socket(ip,i); text1.setText("連接成功"+"n"); break; catch (Exception e) try Thread.sleep(1000); catch (InterruptedException e1) System.out.println("出錯(cuò)了。"); pub

6、lic void send(String message) try PrintStream p = new PrintStream(s.getOutputStream();p.println(message); catch (Exception e1) System.out.println("異常"+e1.getMessage(); Test.java 簡(jiǎn)單的界面和測(cè)試類import java.awt.*;import java.awt.event.*;import java.io.ByteArrayInputStream;import java.io.InputStrea

7、m;import java.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

8、=s; lable1=new JLabel("對(duì)方ip"); text=new JTextField(20); text1=new JTextArea(6,18); text2=new JTextArea(6,18); text2.setEditable(false); button1=new JButton("發(fā)送"); button2=new JButton("關(guān)閉"); button3=new JButton("確定ip"); setBounds(100,100,450,300); setVisible(tr

9、ue); Container 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.addActi

10、onListener(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()=

11、button2)System.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();ne

12、w WindowTextArea();向?qū)Ψ桨l(fā)送信息之前必須輸入對(duì)方ip和點(diǎn)擊確定ip按鈕，文本區(qū)顯示“連接成功”然后可以發(fā)送信息作者：曾建路package com.neusoft.test.對(duì)文件的內(nèi)容操作.字節(jié)流.每次讀取固定大小的文件內(nèi)容;import java.io.DataInputStream;import java.io.DataOutputStream;import java.io.FileInputStream;import java.io.FileNotFoundException;import java.io.FileOutputStream;public class T

13、est /* * param args * throws Exception */public static void main(String args) throws Exception FileOutputStream fout = new FileOutputStream("e:/heihei.RMVB");DataOutputStream dout = new DataOutputStream(fout);long start = System.currentTimeMillis();/讀取原文件的輸入流FileInputStream f = new FileInputStream("d:/heihei.RMVB");DataInputStream d = new DataInputStream(f);/-創(chuàng)建一個(gè)byte類型數(shù)組，定義數(shù)據(jù)包的大小為2048 (2kb)byte b = new byte2048;int i = d.read(b);/讀取文件的內(nèi)容返回值是 本次讀取到的字節(jié)的長(zhǎng)