/**
* 获取ip对应的地区
* @param $ip ip
*/
public static function get($ip)
{
$ip = self::IpToInt($ip);
if (self::$fp == NULL) {
die('can not find qqwry.dat...');
}
fseek(self::$fp, 0, SEEK_SET);
$buf = fread(self::$fp, 8);
self::$FirstStartIp = ord($buf[0]) + ord($buf[1]) * 256 + ord($buf[2]) * 256 * 256 + ord($buf[3]) * 256 * 256 * 256;
self::$LastStartIp = ord($buf[4]) + ord($buf[5]) * 256 + ord($buf[6]) * 256 * 256 + ord($buf[7]) * 256 * 256 * 256;
$RecordCount = floor((self::$LastStartIp - self::$FirstStartIp) / 7);
if ($RecordCount <= 1) {
self::$Country = 'FileDataError';
fclose(self::$fp);
}
$RangB = 0;
$RangE = $RecordCount;
while ($RangB < $RangE - 1) {
$RecNo = floor(($RangB + $RangE) / 2);
self::getStartIp($RecNo);
if ($ip == self::$StartIp) {
$RangB = $RecNo;
break;
}
if ($ip > self::$StartIp) {
$RangB = $RecNo;
} else {
$RangE = $RecNo;
}
}
self::getStartIp($RangB);
self::getEndIp();
if (self::$StartIp <= $ip && self::$EndIp >= $ip) {
self::getCountry();
self::$Local = str_replace('我们一定要解放台湾！！！', '', self::$Local);
self::$Local = str_replace('CZ88.NET', '', self::$Local);
} else {
self::$Country = '未知';
self::$Local = '';
self::$Local = str_replace('CZ88.NET', '', self::$Local);
}
fclose(self::$fp);
return self::$Country . self::$Local;
}
