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

javaʵÏÖ¶Ô´¿ÕæIPÊý¾Ý¿âµÄ²éѯ

À´Ô´£ºhttp://www.blogjava.net/lcs868/archive/2008/12/16/246644.html
ÓÃjavaʵÏÖ¶Ô´¿ÕæIPÊý¾Ý¿âµÄ²éѯ£¬Ê×Ïȵ½ÍøÉÏÏÂÔØQQwry.daÎļþ£¬¶ÁÈ¡´úÂëÈçÏ£º 1.IP¼Ç¼ʵÌåÀà package com.guess.tools;   /** *
* Ò»ÌõIP·¶Î§¼Ç¼£¬²»½ö°üÀ¨¹ú¼ÒºÍÇøÓò£¬Ò²°üÀ¨ÆðʼIPºÍ½áÊøIP *   *
* @author swallow */
public class IPEntry {
public String beginIp;
public String endIp;
public String country;
public String area;   /** *//**
* ¹¹Ô캯Êý
*/       public IPEntry() {
beginIp = endIp = country = area = "";
}   public String toString(){
return this.area+" "+this.country+"IP·¶Î§:"+this.beginIp+"-"+this.endIp;
}
}
2.¶ÁÈ¡QQwry.datÎļþÀà
package com.guess.tools;   import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.RandomAccessFile;
import java.nio.ByteOrder;
import java.nio.MappedByteBuffer;
import java.nio.channels.FileChannel;
import java.util.ArrayList;
import java.util.Hashtable;
import java.util.List;         /** *//**
* * ÓÃÀ´¶ÁÈ¡QQwry.datÎļþ£¬ÒÔ¸ù¾Ýip»ñµÃºÃÓÑλÖã¬QQwry.datµÄ¸ñʽÊÇ
* Ò». ÎļþÍ·£¬¹²8×Ö½Ú
* 1. µÚÒ»¸öÆðʼIPµÄ¾ø¶ÔÆ«ÒÆ£¬ 4×Ö½Ú
* 2. ×îºóÒ»¸öÆðʼIPµÄ¾ø¶ÔÆ«ÒÆ£¬ 4×Ö½Ú
* ¶þ. "½áÊøµØÖ·/¹ú¼Ò/ÇøÓò"¼ÇÂ¼Çø
* ËÄ×Ö½ÚipµØÖ·ºó¸úµÄÿһÌõ¼Ç¼·Ö³ÉÁ½¸ö²¿·Ö
* 1. ¹ú¼Ò¼Ç¼
* 2. µØÇø¼Ç¼
* µ«ÊǵØÇø¼Ç¼ÊDz»Ò»¶¨Óеġ£¶øÇÒ¹ú¼Ò¼Ç¼ºÍµØÇø¼Ç¼¶¼ÓÐÁ½ÖÖÐÎʽ
* 1. ÒÔ0½áÊøµÄ×Ö·û´®
* 2. 4¸ö×Ö½Ú£¬Ò»¸ö×Ö½Ú¿ÉÄÜΪ0x1»ò0x2
* a. Ϊ0x1ʱ£¬±íʾÔÚ¾ø¶ÔÆ«ÒÆºó»¹¸ú×ÅÒ»¸öÇøÓòµÄ¼Ç¼£¬×¢ÒâÊǾø¶ÔÆ«ÒÆÖ®ºó£¬¶ø²»ÊÇÕâËĸö×Ö½ÚÖ®ºó
* b. Ϊ0x2ʱ£¬±íʾÔÚ¾ø¶ÔÆ«ÒÆºóûÓÐÇøÓò¼Ç¼
* ²»¹ÜΪ0x1»¹ÊÇ0x2£¬ºóÈý¸ö×Ö½Ú¶¼ÊÇʵ¼Ê¹ú¼ÒÃûµÄÎļþÄÚ¾ø¶ÔÆ«ÒÆ
* Èç¹ûÊǵØÇø¼Ç¼£¬0x1ºÍ0x2µÄº¬Òå²»Ã÷£¬µ«ÊÇÈç¹û³öÏÖÕâÁ½¸ö×Ö½Ú£¬Ò²¿Ï¶¨ÊǸú×Å3¸ö×Ö½ÚÆ«ÒÆ£¬Èç¹û²»ÊÇ
* ÔòΪ0½áβ×Ö·û´®
* Èý. "ÆðʼµØÖ·/½áÊøµØÖ·Æ«ÒÆ"¼ÇÂ¼Çø
* 1. ÿÌ


Ïà¹ØÎĵµ£º

dz³öJava µÄXml±à³Ì£¨×ªÔØ£©

 
¶ÔÓÚXml,ÎÒµÄÈÏʶÊÇ,Ò»¸öÓÃÀ´´æ·ÅÊý¾ÝµÄ±ê×¼¸ñʽ.Ôõô¿´ÎÒ¶¼¾õµÃXMLºÍHtml,ÍêÈ«²»Ò»Ñù,Ò²Ðí½ö½öÖ»ÊǶ¼Ê¹ÓÃÁ˱ê¼ÇÀ´×÷ΪÎĵµ½âÊ͵ÄÔ­Òò°É.ËùÒÔÈËÃDzÅϲ»¶°ÑXMLºÍHTML¶Ô±ÈÀ´¿´.¶ÔÓÚÎÒ¸öÈ˶øÑÔ,XML¾ÍÊÇÒ»¸ö¼òµ¥·½±ãµÄÊý¾ÝÎļþ.ÒòΪ.Ëü²»Í¬ÓëÒ»°ãµÄ¹ØÏµÐÍÊý¾Ý¿â,°ÑÊý¾Ý¿´³ö¶þά±í.ͨ¹ý»ù±¾µÄ¹ØÏµÔËËã,»ñÈ¡¶þά±íÖеÄÊý ......

Javaѧϰ·¾¶

 Javaѧϰ·¾¶£¨Ò»£©¹¤¾ßƪ
Ò»¡¢ JDK (Java Development Kit)
JDKÊÇÕû¸öJavaµÄºËÐÄ£¬°üÀ¨ÁËJavaÔËÐл·¾³£¨Java Runtime Envirnment£©£¬Ò»¶ÑJava¹¤¾ßºÍJava»ù´¡µÄÀà¿â(rt.jar)¡£²»ÂÛʲôJavaÓ¦Ó÷þÎñÆ÷ʵÖʶ¼ÊÇÄÚÖÃÁËij¸ö°æ±¾µÄJDK¡£Òò´ËÕÆÎÕJDKÊÇѧºÃJavaµÄµÚÒ»²½¡£×îÖ÷Á÷µÄJDKÊÇSun¹«Ë¾·¢²¼µÄJDK£¬³ýÁËSunÖ®Í⣬»¹Ó ......

JavaÊý×é×ܽá

תÖÁ£ºhttp://sllereak.blog.163.com/blog
 --javaÀïÃæµÄÊý×é²»ÄÜÕâÑùдint a[5];
 *ÎªÊ²Ã´ÄØ£¿Èç¹ûÕâÑùдµÄ»°Ò»°ãÇé¿öÏ»ὫÎå¸öÄÚ´æ¿Õ¼ä·ÖÅäµ½Õ»ÉÏ£¬µ«ÊÇjavaµÄÊý¾ÝÊÇ·ÅÔÚ¶ÑÉϵģ¬Õ»ÉÏÖ»ÄÜ·ÖÅäÒ»¸öÖ¸ÕëµØÖ·¶øÒÑ
 *Êý×éµÄÉñÃ÷ÓÐÁ½ÖÖ·½Ê½int[] a;»òÕßint a[];
--Êý¾ÝµÄÎÊÌâ
 ·½·¨ÖÐint[] a=new in ......

¼òµ¥ÊµÓõÄjava socket·þÎñ¶ËºÍ¿Í»§¶Ë´úÂë

 ·þÎñ¶Ë£º
package socket;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
import java.net.ServerSocket;
import java.net.Socket;
public class Server {
 public static void main(String[] args) {
  try {
   ServerSocket server = new Se ......
© 2009 ej38.com All Rights Reserved. ¹ØÓÚE½¡ÍøÁªÏµÎÒÃÇ | Õ¾µãµØÍ¼ | ¸ÓICP±¸09004571ºÅ