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ÀûÓÃSocketÀàºÍServerSocketÀà±àдһ¸öC/S³ÌÐò£¬ÊµÏÖC/SͨÐÅ¡£
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 import java.net.ServerSocket;
import java.net.Socket;
import java.io.*;
import java.text.DateFormat;
import java.util.Date;//ʱ¼ä
//import java.util.Calendar;
public class Server {
public static void main(String args[]){
try{
ServerSocket server = new ServerSocket(11111);//´´½¨·þÎñÆ÷Ì×½Ó×Ö
System.out.println("·þÎñÆ÷Æô¶¯Íê±Ï");

System.out.println("µÈ´ý¿Í»§¶ËÁ¬½Ó...");
Socket socket = server.accept();//µÈ´ý¿Í»§¶ËÁ¬½Ó

BufferedReader reader = new BufferedReader(new InputStreamReader(socket.getInputStream()));//»ñµÃ¿Í»§¶ËµÄÊäÈëÁ÷
//OutputStreamWriter out = new OutputStreamWriter(socket.getOutputStream());//»ñµÃ¿Í»§¶ËÊä³öÁ÷
PrintWriter out = new PrintWriter(new OutputStreamWriter(socket.getOutputStream()),true);//»ñµÃ¿Í»§¶ËÊä³öÁ÷)
if(socket.isConnected()){
System.out.println("¿Í»§¶ËÃû³ÆÎª"+socket.getInetAddress().getHostAddress()+" Á¬½Ó³É¹¦£¡");
//out.write("Á¬½Ó³É¹¦\n");
out.println("Á¬½Ó³É¹¦");
}

while(true){
String str = reader.readLine();
if(str.equals("Time")){//¿Í»§¶ËÇëÇóʱ¼äÊý¾Ý
Date date = new Date();
// Calendar cal = Calendar.getInstance();
System.out.println("¿Í»§¶ËÇëÇóµ±Ç°Ê±¼ä");
DateFormat format = DateFormat.getDateInstance();
//out.write(format.format(date));//¸ñʽ»¯Êä³öʱ¼ä
out.println(format.format(date));
}
else if(str.equals("exit")){//Í˳ö
//out.write("bye");
out.println("bye");
System.out.println("Á¬½Ó¶Ï¿ª");
break;
}
else{
System.out.println("Êý¾Ý£º"+str);
}
}
}catch(IOException e){
e.pr


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package com.hefeng.test;  
  
  
import java.text.DateFormat;  
import java.text.ParsePosition;  
import java.text.SimpleDateFormat;  
import java.util.Calendar;  
import java.util.Date;  
import java.uti ......

java »ñȡʱ¼äÀà

 public String getCheckDateString(String str) {
        Date date = new Date();//»ñÈ¡µ±Ç°ÏµÍ³ÈÕÆÚ
        SimpleDateFormat format = new SimpleDateFormat("yyyyMMdd");//ʱ¼ä¸ñʽ
       ......
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