在线聊天室的Java实现(功能比较弱)
ChatServer.java这里是主调用部分
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package com.darkblue;
/**
*
*@authorDarkBlue
*
*本程序用于实现聊天室的服务器端
*/
import java.net.*;
import java.io.*;
publicclass ChatServerimplements Runnable{
private ServerSocketserver;//服务器socket
privatestaticintport = 8888;//监听端口号
privatestaticbooleanisShutDown =false;//没有停止
private ChatServer() {
try {
server =new ServerSocket(port);//创建一个服务器socket
}catch (IOException e) {
e.printStackTrace();
}
}
publicstaticvoid startService() {
ChatServer cs =new ChatServer();
Thread th =new Thread(cs);
th.start();
}
publicvoid run(){
try {
//循环等待客户端连接
while(!isShutDown){
Socket socket =server.accept();
//使用socket进行通信
new SocketManager(socket).start();//开始一个线程
}
}catch (IOException e) {
e.printStackTrace();
}
}
publicstaticvoid stopService() {
isShutDown =true;
}
publicstaticvoid main(String[] args){
ChatServer.startService();
}
}
SocketManager.java 用于管理socket
package com.darkblue;
import java.net.*;
import java.io.*;
import java.util.*;
publicclass SocketManagerextends Thread {
privatestatic ListsocketList =new ArrayList();//存放socket
privatestatic Queuemessages =new LinkedList();//消息队列
private Socketsocket =null;//对象变量
public SocketManager() {
super();
}
public SocketManager(Socket socket) {
this.socket = socket;
addSocket(socket);
}
publicstaticvoid addSocket(Socket socket) {//增加一个socket
socketList.add(socket);
}
publicstaticvoid addMessage(String message) {
messages.add(message);
}
publicstaticvoid sendAllMessage() {
if (messages !=null) {
while (!messages.isEmpty()) {
Object msg =messages.remove();
if (msginstanceof String) {
String message = (String) msg;
if (socketList !=null) {//循环发送
for (int i = 0; i <socketList.size(); i++) {
Socket socket = (Socket)socketList.get(i);
try {
OutputStreamWriter osw =new OutputStreamWriter(
socket.getOutputStream());
BufferedWriter bw =new BufferedWriter(osw);
bw.write(message +"nr");
bw.flush();
}catch (IOException e) {
e.printStackTrace();
}
}
}
}
}
}
}
publicvoid run() {//针对每个socket进行
if (socket !=null) {// socket不为null
try {
BufferedReader br =new BufferedReader(new InputStreamReader(
socket.getInputStream()));//输入流
BufferedWriter bw =new BufferedWriter(new OutputStreamWriter(socket.getOutputStream()));
bw.write("欢迎使用本聊天系统nr");
bw.write("输入消息后按回车发送消息nr");
bw.write("消息:");
bw.flush();
String temp = br.readLine();//读取消息
while(temp!=null){
addMessage(temp);
sendAllMessage();
bw.write("消息:");
bw.flush();
temp=br.readLine();
}
br.close();
bw.close();
socket.close();
socketList.remove(socket);//移除
System.out.println("关闭了一个");
}catch (IOException e) {
e.printStackTrace();
}
}
}
}
本文标题：在线聊天室的Java实现(功能比较弱)
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