php 显示ip所属地 （qq版）

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通过GeoIP获取ip所属地

 

注:保存为.php的文件,纯真数据库 qqwry.dat 文件应该放在同一目录下,否则会报错！

 

代码：

 

<?php
//这些是核心部分,可以写到一个单独的php里,用的时候直接include就可以
define('__QQWRY__' , dirname(__FILE__)."/qqwry.dat");
class QQWry{
    var $StartIP=0;
    var $EndIP=0;
    var $Country='';
    var $Local='';
    var $CountryFlag=0;
    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='') {
        if( !is_string($dotip) || $dotip==''){return;}
                if(preg_match("/^127/",$dotip)){$this->Country="本地网络";return ;}
        elseif(preg_match("/^192/",$dotip)) {$this->Country="局域网";return ;}

     $nRet;
     $ip=$this->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= $RecordCount;
     while ($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("（我们一定要解放台湾！！！）", "", $this->Local);
     }
     else{
        $nRet=3 ;
        $this->Country='未知' ;
        $this->Local='' ;
     }
     fclose ( $this->fp );
$this->Country=preg_replace("/(CZ88.NET)|(纯真网络)/","局域网/未知",$this-> Country);
$this->Local=preg_replace("/(CZ88.NET)|(纯真网络)/","局域网/未知",$this-> Local);
        return $nRet ;
    }
    function IpToInt($Ip) {
     $array=explode('.',$Ip);
     $Int=($array[0] * 256*256*256) + ($array[1]*256*256) + ($array[2]*256) + $array[3];
     return $Int;
    }
}
function GetIP(){//获取IP
    return $_SERVER[REMOTE_ADDR]?$_SERVER[REMOTE_ADDR]:$GLOBALS[HTTP_SERVER_VARS][REMOTE_ADDR];
}
?>

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=gb2312"/>
<title>PHP</title>
<head>

<!--以下是CSS部分,用于控制页面效果-->
<style>
    table {background-color:#9ec5e0;margin-left:50px;}
    th {background-color:#edf2f5;font-size:14px;}
    td {text-align:center;vertical-align: middle;background-color:white;font-size:14px;}
</style>
<!--以下是JavaScript部分,用于防止非法输入-->
<script type="text/javascript">
function check() {
   var ipadd = document.getElementById("ipadd").value;
   if (ipadd==""){alert("请输入要查询的ip地址!!");
    return false;
    }
   if (/^(([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))\.)(([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))\.){2}([1-9]|([1-9]\d)|(1\d\d)|(2([0-4]\d|5[0-5])))$/.test(ipadd)) {
    return true;
    } else {
     alert("输入的IP地址不合法,请重新输入!!");
     return false;
     }
   }
</script>

</head>

<body>

<!--以下是HTML的查询表单-->
<form method="post" onsubmit="return check()">
	IP: <input type="text" name="ip" id="ipadd" /> <input type="submit" value="Search" />
</form>

<?php
//注释掉的部分是一个查询的例子
//$ip="221.1.223.50";
//$QQWry=new QQWry;
//$ifErr=$QQWry->QQWry($ip);
//echo "$QQWry->Country$QQWry->Local";
if ($_POST["ip"]!="") {
	$ip=$_POST["ip"];
	$QQWry=new QQWry;
	$ifErr=$QQWry->QQWry($ip);
?>

<!--用于显示结果的表格-->
<table>
<tr>
   <th>IP</th>
   <th>Area</th>
</tr>
<tr>
   <td><?php echo $ip; ?></td>
   <td><?php echo "$QQWry->Country$QQWry->Local"; ?></td>
</tr>
</table>
<?php }?>

</body>
</html>

  

qqwry.dat 为附件下载