Ò׽ؽØÍ¼Èí¼þ¡¢µ¥Îļþ¡¢Ãâ°²×°¡¢´¿ÂÌÉ«¡¢½ö160KB

java¼ì²âQQÊÇ·ñÔÚÏß

 package mylib.webxml;
//~--- JDK imports ------------------------------------------------------------
import java.io.IOException;
import java.io.InputStream;
import java.net.HttpURLConnection;
import java.net.URL;
/**
 *
 * @author jmp esp
 * @version 1.0
 *
 */
public class CheckQQ {
    // ²éѯºó·µ»ØµÄ״̬
    private final static int ERROR_QQ   = 2;
    private final static int OFFLINE_QQ = 1;
    private final static int    ONLINE_QQ = 0;
    //ÌØÕ÷Âë
    private final static String ONLINE=">Y<";
    private final static String OFFLINE=">N<";
   
  
    private final static String WEBXML_QQ =
        "http://webservice.webxml.com.cn/webservices/qqOnlineWebService.asmx/qqCheckOnline?qqCode=";
    /**
     * ÅжÏQQÊÇ·ñÔÚÏß
     * @param qq
     * @return ÔÚÏß:0|²»ÔÚÏß:1|³öÏÖ´íÎó:2
     */
    public static int isOnline(String qq) {
        URL               url  = null;
        HttpURLConnection http = null;
        InputStream       in   = null;
        try {
            url  = new URL(WEBXML_QQ + qq);
            http = (HttpURLConnection) url.openConnection();
            http.connect();
            i


Ïà¹ØÎĵµ£º

Java ÕýÔò±í´ïʽ

 fm.split("[");  // error
-------------------
java.util.regex.PatternSyntaxException: Unclosed character class near index 0[+
   ^
    at java.util.regex.Pattern.error(Unknown Source)
    at java.util.regex.Pattern.clazz(Unknown Source)
 & ......

Java

 Ê®½øÖÆ×ª³ÉÊ®Áù½øÖÆ£º
Integer.toHexString(int i)
Ê®½øÖÆ×ª³É°Ë½øÖÆ
Integer.toOctalString(int i)
Ê®½øÖÆ×ª³É¶þ½øÖÆ
Integer.toBinaryString(int i)
Ê®Áù½øÖÆ×ª³ÉÊ®½øÖÆ
Integer.valueOf("FFFF",16).toString()
°Ë½øÖÆ×ª³ÉÊ®½øÖÆ
Integer.valueOf("876",8).toString()
¶þ½øÖÆ×ªÊ®½øÖÆ
Intege ......

javaÁ·Ï°³ÌÐò1

 /*import javax.swing.JFrame;*/
/*import javax.swing.JOptionPane;*/
public class TestFrame{
public static void main(String[] args) throws Exception{
/*JFrame frame1 = new JFrame();
frame1.setTitle("Windows 1");
frame1.setSize(200,150);
frame1.setLocation(200,100);
frame1.setD ......

java(Web)ÖÐÏà¶Ô·¾¶£¬¾ø¶Ô·¾¶ÎÊÌâ×ܽá

 javaÖÐÏà¶Ô·¾¶£¬¾ø¶Ô·¾¶ÎÊÌâ×ܽá
¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡¡————bohemia(³Ç)
ǰÑÔ£º
 Ç°Ò»¶Îʱ¼ä£¬ÓÉÓÚÔÚ´¦ÀíWebÓ¦ÓÃϵÄÎļþ´´½¨ÓëÒÆ¶¯µÈ£¬Òò´ËÉæ¼°µ½ºÜ¶à¹ØÓÚjava
ÖÐÏà¶Ô·¾¶£¬¾ø¶Ô·¾¶µÈÎÊÌ⡣ͬʱ£¬¶ÔÓÚWebÓ¦ÓÃÖеÄÏà¶Ô·¾¶£¬¾ø¶Ô·¾¶£¬ÒÔ¼°Java.io.File
ÀàѧϰÁËһϡ ......

Java

ÁªÍ¨£º³¹µ×·ÅÆúORÓûÇܹÊ×Ý£¿
 
ÒµÄÚÈÕǰ´«³öÏûÏ¢£¬ÓÉÓÚÆ»¹û¼á³Ö·Ö³Éģʽ£¬ÁªÍ¨¸ß²ã¶ÔÓÚÒýÈëÆ»¹û̬¶ÈÒÑÎÞÔçÏȼá¾ö¡£“Ëæ×ÅÊÖ»úµÄ²»¶Ï¸üл»´ú£¬Ò»µãÓпÉÄܰüº¬µÄ¹¦ÄÜÌØ±ðÊÇÁªÍ¨¼ÓÈë¹È¸è¿ª·ÅÊÖ»úÁªÃË£¬ÔÚÊý¾Ý±£»¤ºÍ¼á¹ÌЭ×÷¼Æ»®ÍÆ×ÔÓпª·Å²Ù×÷ƽ̨ÊÖ»ú£¬ÔÚÊý¾Ý±£»¤ºÍ¼á¹ÌЭ×÷ javaµç×ÓÊéÃâ·ÑÏÂÔØiPhoneÔÚÆäÕ½ÂÔÖ ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ