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/*socketÊÇÍøÂçÓ¦ÓóÌÐòµÄºËÐÄ£¬ÔÚ·þÎñÆ÷¶Ë»ò¿Í»§¶ËÍøÂçÓ¦ÓóÌÐòÖУ¬socket½ÔΪ²»¿ÉȱÉÙµÄÒªËØ
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*1¡£½¨Á¢·þÎñÆ÷¶ËµÄSOCKET£¬²¢ÇÒÒÔ´ËÕìÌý¿Í»§¶ËµÄÁ¬½ÓÇëÇó
*2¡£µ±·þÎñÆ÷¶ËÕì²âµ½À´×Ô¿Í»§¶ËµÄÁ¬½ÓÇëÇóʱÔò½ÓÊÕ´ËÇëÇó²¢½¨Á¢¿Í»§¶ËµÄSOCKET£¬¸ÃSOCEKT½«×÷Ϊ
*  ¿Í»§¶ËÁ¬½Ó¼°ºóÐø´¦Àí·¢Ëͼ°½ÓÊÕÊý¾ÝµÄÒÀ¾Ý£¬ÖÁ´ËÔòÍê³É·þÎñÆ÷¶ËÓë¿Í»§¶ËµÄSOCKETͨÐÅÁ´½Ó
*3¡£´¦ÀíÀ´×Ô¿Í»§¶ËµÄÐÅÏ¢£¬Ò»°ã³ÆΪÇëÇ󣬿ÉÊÓΪ¿Í»§¶ËµÄÖ¸ÁîÐèÇó¡£ÀýÈçHTTPͨÐÅЭÒéµÄURLÇëÇó£¬
*  »òFTPͨÐÅЭÒéµÄFTPÃüÁÈçGET£¬PUT£©µÈ
*4¡£¸ù¾Ý¿Í»§¶Ë´«À´µÄÇëÇó·þÎñÆ÷¶ËÐè¾­¹ý³ÌÐòÂß¼­´¦ÀíÖ®ºó£¬·¢ËÍ»ØÏà¶ÔÓ¦µÄÕдý½á¹û»ò´íÎóÐÅÏ¢ÖÁ
*  ¿Í»§¶ËÈçHTTP·þÎñÆ÷Ðë·¢ËÍ»ØHTMLÍøÒ³ÄÚÈÝ£¬¶øFTP·þÎñÆ÷Ôò·¢ËÍ»ØFTPÖ¸ÁîµÄ½á¹û
*5¡£µ±³ÌÐòÍê³ÉÊý¾Ý»òÃüÁîµÄ´¦ÀíÖ®ºó£¬±ã¹Ø±ÕSOCKETͨÐÅÁ´½Ó
*/
/*
simpleServer.java
*/
import java.net.*;
import java.io.*;
public class  simpleServer
{
private static ServerSocket serverSocket;
private static listenClient listen;
public static void main(String[] args) throws Exception
{
int port;
if(args.length==0)
{
System.out.println("Usage:java simpleServer [port]");
System.exit(1);
}
port=Integer.parseInt(args[0]);
startServer(port);
}
public static void startServer(int port)throws Exception
{
try
{
serverSocket=new ServerSocket(port);
Thread thread=new Thread(new listenClient(serverSocket));
thread.start();
}
catch (IOException ex)
{
ex.printStackTrace();
}
}
}
class listenClient implements Runnable
{
private ServerSocket serverSocket;
private Socket clientSocket;
DataInputStream in;
DataOutputStream out;
public listenClient(ServerSocket serverSocket)throws Exception
{
this.serverSocket=serverSocket;
}
public void run()
{
try
{
while(true)
{
clientSocket=serverSocket.accept();
System.out.println("Connection from "+clientSocket.getInetAddre


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