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付上上面测试页面的代码：
- <?php
- ob_start();
- $tstart = getmicrotime();
- define('QQWRY' , 'QQWry.dat' ) ;
- function getmicrotime(){
- list($usec, $sec) = explode(" ",microtime());
- return ((float)$usec + (float)$sec);
- }
- function IpToInt($Ip) {
- $array=explode('.',$Ip);
- $Int=($array[0] * 256*256*256) + ($array[1]*256*256) + ($array[2]*256) + $array[3];
- return $Int;
- }
- function IntToIp($Int) {
- $b1=($Int & 0xff000000)>>24;
- if ($b1<0) $b1+=0x100;
- $b2=($Int & 0x00ff0000)>>16;
- if ($b2<0) $b2+=0x100;
- $b3=($Int & 0x0000ff00)>>8;
- if ($b3<0) $b3+=0x100;
- $b4= $Int & 0x000000ff;
- if ($b4<0) $b4+=0x100;
- $Ip=$b1.'.'.$b2.'.'.$b3.'.'.$b4;
- return $Ip;
- }
- class TQQwry
- {
- var $StartIP = 0;
- var $EndIP = 0;
- var $Country = '';
- var $Local = '';
- var $CountryFlag = 0; // 标识 Country位置
- // 0x01,随后3字节为Country偏移,没有Local
- // 0x02,随后3字节为Country偏移，接着是Local
- // 其他,Country,Local,Local有类似的压缩。可能多重引用。
- var $fp;
- var $FirstStartIp = 0;
- var $LastStartIp = 0;
- var $EndIpOff = 0 ;
- function getStartIp ( $RecNo ) {
- $offset = $this->FirstStartIp + $RecNo * 7 ;
- @fseek ( $this->fp , $offset , SEEK_SET ) ;
- $buf = fread ( $this->fp , 7 ) ;
- $this->EndIpOff = ord($buf[4]) + (ord($buf[5])*256) + (ord($buf[6])* 256*256);
- $this->StartIp = ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])*256*256) + (ord($buf[3])*256*256*256);
- return $this->StartIp ;
- }
- function getEndIp ( ) {
- @fseek ( $this->fp , $this->EndIpOff , SEEK_SET ) ;
- $buf = fread ( $this->fp , 5 ) ;
- $this->EndIp = ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])*256*256) + (ord($buf[3])*256*256*256);
- $this->CountryFlag = ord ( $buf[4] ) ;
- return $this->EndIp ;
- }
- function getCountry ( ) {
- switch ( $this->CountryFlag ) {
- case 1:
- case 2:
- $this->Country = $this->getFlagStr ( $this->EndIpOff+4) ;
- //echo sprintf('EndIpOffset=(%x)',$this->EndIpOff );
- $this->Local = ( 1 == $this->CountryFlag )? '' : $this->getFlagStr ( $this->EndIpOff+8);
- break ;
- default :
- $this->Country = $this->getFlagStr ($this->EndIpOff+4) ;
- $this->Local = $this->getFlagStr ( ftell ( $this->fp )) ;
- }
- }
- function getFlagStr ( $offset )
- {
- $flag = 0 ;
- while ( 1 ){
- @fseek ( $this->fp , $offset , SEEK_SET ) ;
- $flag = ord ( fgetc ( $this->fp ) ) ;
- if ( $flag == 1 || $flag == 2 ) {
- $buf = fread ($this->fp , 3 ) ;
- if ($flag == 2 ){
- $this->CountryFlag = 2 ;
- $this->EndIpOff = $offset - 4 ;
- }
- $offset = ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])* 256*256);
- }else{
- break ;
- }
- }
- if ( $offset < 12 )
- return '';
- @fseek($this->fp , $offset , SEEK_SET ) ;
- return $this->getStr();
- }
- function getStr ( )
- {
- $str = '' ;
- while ( 1 ) {
- $c = fgetc ( $this->fp ) ;
- if ( ord ( $c[0] ) == 0 )
- break ;
- $str .= $c ;
- }
- return $str ;
- }
- function qqwry ($dotip) {
- $nRet=0;
- $ip = IpToInt ( $dotip );
- $this->fp= @fopen(QQWRY, "rb");
- if ($this->fp == NULL) {
- $szLocal= "OpenFileError";
- return 1;
- }
- @fseek ( $this->fp , 0 , SEEK_SET ) ;
- $buf = fread ( $this->fp , 8 ) ;
- $this->FirstStartIp = ord($buf[0]) + (ord($buf[1])*256) + (ord($buf[2])*256*256) + (ord($buf[3])*256*256*256);
- $this->LastStartIp = ord($buf[4]) + (ord($buf[5])*256) + (ord($buf[6])*256*256) + (ord($buf[7])*256*256*256);
- $RecordCount= floor( ( $this->LastStartIp - $this->FirstStartIp ) / 7);
- if ($RecordCount <= 1){
- $this->Country = "FileDataError";
- fclose ( $this->fp ) ;
- return 2 ;
- }
- $RangB= 0;
- $RangE= $RecordCount;
- // Match ...
- while ($RangB < $RangE-1)
- {
- $RecNo= floor(($RangB + $RangE) / 2);
- $this->getStartIp ( $RecNo ) ;
- if ( $ip == $this->StartIp )
- {
- $RangB = $RecNo ;
- break ;
- }
- if ( $ip > $this->StartIp)
- $RangB= $RecNo;
- else
- $RangE= $RecNo;
- }
- $this->getStartIp ( $RangB ) ;
- $this->getEndIp ( ) ;
- if ( ( $this->StartIp <= $ip ) && ( $this->EndIp >= $ip ) ){
- $nRet = 0 ;
- $this->getCountry ( ) ;
- $this->Local = str_replace("（something to say）", "", $this->Local);
- }else {
- $nRet = 3 ;
- $this->Country = '未知' ;
- $this->Local = '' ;
- }
- fclose ($this->fp) ;
- return $nRet ;
- }
- }
- function ip2location ( $ip )
- {
- $wry = new TQQwry;
- $nRet = $wry->qqwry ($ip);
- return $wry->Country.$wry->Local;
- }
- // Test Code.
- //$_SERVER['REMOTE_ADDR'];
- // $ipa= $_SERVER['REMOTE_ADDR'] ;
- // $ipa= "61.144.133.26";
- if (!isset($_GET['ip'])){
- $_GET['ip']= $_SERVER['REMOTE_ADDR'];
- }
- $ipa = $_GET['ip'];
- ?>
- <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional/EN">
- <html>
- <head>
- <title>Untitled</title>
- <meta http-equiv="content-type" content="text/html; charset=gb2312">
- <meta name="generator" content="syn">
- </head>
- <body>
- <?php
- echo $ipa."<br />";
- echo ip2location($ipa);
- //---------------------------------------------------------------------------
- $tend = getmicrotime();
- $totaltime = ($tend - $tstart);
- ob_end_flush();
- printf ("<br />页面生成时间 %f 秒", $totaltime);
- ?>
- </body>
- </html>
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楼主: qingmedia
发表于 2005-11-10 11:56
