用socket(套接字)实现client与服务端的通信。

这里举两个样例:

第一种是每次client发送一个数据，服务端就做一个应答。

(也就是要轮流发)

另外一种是client能够连续的向服务端发数据，服务端也能够连续向client发数据。(多线程)

为了方便起见，client服务端都放在一个主机上。分别开两个进程[哈哈，进程间通信lol~]

PS: 一个聊天程序雏形

代码也放在GitHub上了:https://github.com/MummyDing/socketChatDemo

Demo 1:

简单的Socket通信。一人一句话就结束了(要一直说加个循环就好)

client

/**
Client
Author :MummyDing
*/
import java.lang.Runnable; 
import java.io.*; 
import java.net.*;
class clientConnect{
	 	Socket client = null;
        BufferedReader inputData = http://www.mamicode.com/null;   >

服务端:

/**
Server
Author :MummyDing
*/
import java.lang.Runnable; 
import java.net.*;
import java.io.*;
class serverConnect {
		ServerSocket serverSocket = null; 
		Socket clientSocket = null;
		String receiveData,sendData;
		serverConnect(){
			try {
        	serverSocket = new ServerSocket(5234);
        	clientSocket = serverSocket.accept();
        	dealData(); 
        }
        catch (Exception e) {  
        	System.out.println("Server Bulid Error");
        	System.exit(1);
        }
		}
		void dealData(){
			try{
			PrintWriter outputData = http://www.mamicode.com/new PrintWriter(clientSocket.getOutputStream(), true);>

Demo 2:

在Demo 1的基础上进行了该进，实现了一人能够连续说几句话。(多线程)

client:
/**
Client
Author:MummyDing
*/
import java.util.Scanner;
import java.lang.Runnable; 
import java.io.*; 
import java.net.*;
class clientConnect{
	 	Socket client = null;
        BufferedReader inputData = http://www.mamicode.com/null;   >


服务端:

/**
Server
Author:MummyDing
*/
import java.util.Scanner;
import java.lang.Runnable; 
import java.net.*;
import java.io.*;
class serverConnect {
		ServerSocket serverSocket = null; 
		Socket clientSocket = null;
		String receiveData,sendData;
		PrintWriter outputData ;
		BufferedReader inputData;
		serverConnect(){
			try {
        	serverSocket = new ServerSocket(5234);
        	clientSocket = serverSocket.accept();
        }
        catch (Exception e) {  
        	System.out.println("Server Bulid Error");
        	System.exit(1);
        }
		}
		void dealData(){
			try{  
			 outputData = http://www.mamicode.com/new PrintWriter(clientSocket.getOutputStream(), true);>

--------------------------------------------------
期间犯了一个非常二的错误，client和服务端里面用了"同名类"，这就导致后编译的把前面的"同名类"覆盖掉了。

完整代码: https://github.com/MummyDing/socketChatDemo
【转载请注明出处】
作者:MummyDing
出处:http://blog.csdn.net/mummyding/article/details/46445675