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Android--使用socket通讯建立网络聊天室2


上一节的当前的服务器只有像客户端发送数据的功能,并没有从客户端读取数据的功能,我们这一节将进行改进:

新建一个ChatManager类:

package com.test.test;

import java.util.Vector;

public class ChatManager {
//完成类的单例:
private ChatManager(){}
private static final ChatManager cm=new ChatManager();
public static ChatManager getChatManager(){
return cm;
}
//完成ChatSocket线程的管理:
Vector<ChatSocket> vector=new Vector<ChatSocket>();
//为当前的集合添加一个新的ChatSocket对象:
public void add(ChatSocket cs){
vector.add(cs);
}
//某一个线程可以调用下面的函数像其他客户端发送信息
public void publish(ChatSocket cs,String out){
for (int i = 0; i < vector.size(); i++) {
ChatSocket csChatSocket=vector.get(i);
//判断用于当前发送的线程就不用再接收此条信息了
if(!cs.equals(csChatSocket)){
csChatSocket.out(out);
}
}
}

}

修改其他类1:

package com.test.test;

public class MyServerSocket {

public static void main(String[] args) {
new ServerListener().start();

}

}

2:

package com.test.test;

import java.io.IOException;
import java.net.ServerSocket;
import java.net.Socket;
import javax.swing.JOptionPane;

public class ServerListener extends Thread {

public void run() {
try {
ServerSocket serverSocket=new ServerSocket(12345);
while(true){
Socket socket=serverSocket.accept();
JOptionPane.showMessageDialog(null,"有客户端连接到了12345端口!");
ChatSocket cs=new ChatSocket(socket);
cs.start();
ChatManager.getChatManager().add(cs);
}
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
}

3.

package com.test.test;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.UnsupportedEncodingException;
import java.net.Socket;

public class ChatSocket extends Thread {
Socket socket;
public ChatSocket(Socket s){
this.socket=s;
}

public void out(String out){
try {
socket.getOutputStream().write(out.getBytes("UTF-8"));
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
}
public void run() {
try {
BufferedReader br=new BufferedReader(new InputStreamReader(socket.getInputStream(),"UTF-8"));
String line=null;

while((line=br.readLine())!=null){
ChatManager.getChatManager().publish(this, line);
}
br.close();
} catch (UnsupportedEncodingException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}


}

}

类结构如下:

Android--使用socket通讯建立网络聊天室2_网络聊天室

此时我们进行测试,打开三个终端,然后连接,然后输入内容,这样每一个客户端都能收到别人发送的信息:

Android--使用socket通讯建立网络聊天室2_网络聊天室_02

 

 

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