怎么根据ip判断来源于哪个城市?? 我想根据客户端的ip来判断用户来源于哪个城市,怎么判断,谁有可用的代码? 解决方案 » 免费领取超大流量手机卡,每月29元包185G流量+100分钟通话, 中国电信官方发货 可以使用$tinyipfile = 'include/tinyipdata.dat'; $fullipfile = 'include/wry.dat';这两个数据库,一个ip纯真数据库,一个天逸数据库,楼主可以自己去网上下载一个ip数据库使用方法包含这个文件if($_SERVER['HTTP_CLIENT_IP']){ $onlineip=$_SERVER['HTTP_CLIENT_IP'];}elseif($_SERVER['HTTP_X_FORWARDED_FOR']){ $onlineip=$_SERVER['HTTP_X_FORWARDED_FOR'];}else{ $onlineip=$_SERVER['REMOTE_ADDR'];}$convip =convertip($onlineip);<?phpfunction convertip($ip) { $return = ''; if(preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/", $ip)) { $iparray = explode('.', $ip); if($iparray[0] == 10 || $iparray[0] == 127 || ($iparray[0] == 192 && $iparray[1] == 168) || ($iparray[0] == 172 && ($iparray[1] >= 16 && $iparray[1] <= 31))) { $return = 'LAN'; } elseif($iparray[0] > 255 || $iparray[1] > 255 || $iparray[2] > 255 || $iparray[3] > 255) { $return = 'Invalid IP Address'; } else { $tinyipfile = 'include/tinyipdata.dat'; $fullipfile = 'include/wry.dat'; if(@file_exists($tinyipfile)) { $return = convertip_tiny($ip, $tinyipfile); } elseif(@file_exists($fullipfile)) { $return = convertip_full($ip, $fullipfile); } } } return $return;}function convertip_tiny($ip, $ipdatafile) { static $fp = NULL, $offset = array(), $index = NULL; $ipdot = explode('.', $ip); $ip = pack('N', ip2long($ip)); $ipdot[0] = (int)$ipdot[0]; $ipdot[1] = (int)$ipdot[1]; if($fp === NULL && $fp = @fopen($ipdatafile, 'rb')) { $offset = unpack('Nlen', fread($fp, 4)); $index = fread($fp, $offset['len'] - 4); } elseif($fp == FALSE) { return 'Invalid IP Data File'; } $length = $offset['len'] - 1028; $start = unpack('Vlen', $index[$ipdot[0] * 4].$index[$ipdot[0] * 4 + 1].$index[$ipdot[0] * 4 + 2].$index[$ipdot[0] * 4 + 3]); for ($start = $start['len'] * 8 + 1024; $start < $length; $start += 8) { if ($index{$start}.$index{$start + 1}.$index{$start + 2}.$index{$start + 3} >= $ip) { $index_offset = unpack('Vlen', $index{$start + 4}.$index{$start + 5}.$index{$start + 6}."\x0"); $index_length = unpack('Clen', $index{$start + 7}); break; } } fseek($fp, $offset['len'] + $index_offset['len'] - 1024); if($index_length['len']) { return fread($fp, $index_length['len']); } else { return 'Unknown'; }}function convertip_full($ip, $ipdatafile) { if(!$fd = @fopen($ipdatafile, 'rb')) { return 'Invalid IP Data File'; } $ip = explode('.', $ip); $ipNum = $ip[0] * 16777216 + $ip[1] * 65536 + $ip[2] * 256 + $ip[3]; if(!($DataBegin = fread($fd, 4)) || !($DataEnd = fread($fd, 4)) ) return; @$ipbegin = implode('', unpack('L', $DataBegin)); if($ipbegin < 0) $ipbegin += pow(2, 32); @$ipend = implode('', unpack('L', $DataEnd)); if($ipend < 0) $ipend += pow(2, 32); $ipAllNum = ($ipend - $ipbegin) / 7 + 1; $BeginNum = $ip2num = $ip1num = 0; $ipAddr1 = $ipAddr2 = ''; $EndNum = $ipAllNum; while($ip1num > $ipNum || $ip2num < $ipNum) { $Middle= intval(($EndNum + $BeginNum) / 2); fseek($fd, $ipbegin + 7 * $Middle); $ipData1 = fread($fd, 4); if(strlen($ipData1) < 4) { fclose($fd); return 'System Error'; } $ip1num = implode('', unpack('L', $ipData1)); if($ip1num < 0) $ip1num += pow(2, 32); if($ip1num > $ipNum) { $EndNum = $Middle; continue; } $DataSeek = fread($fd, 3); if(strlen($DataSeek) < 3) { fclose($fd); return 'System Error'; } $DataSeek = implode('', unpack('L', $DataSeek.chr(0))); fseek($fd, $DataSeek); $ipData2 = fread($fd, 4); if(strlen($ipData2) < 4) { fclose($fd); return 'System Error'; } $ip2num = implode('', unpack('L', $ipData2)); if($ip2num < 0) $ip2num += pow(2, 32); if($ip2num < $ipNum) { if($Middle == $BeginNum) { fclose($fd); return 'Unknown'; } $BeginNum = $Middle; } } $ipFlag = fread($fd, 1); if($ipFlag == chr(1)) { $ipSeek = fread($fd, 3); if(strlen($ipSeek) < 3) { fclose($fd); return 'System Error'; } $ipSeek = implode('', unpack('L', $ipSeek.chr(0))); fseek($fd, $ipSeek); $ipFlag = fread($fd, 1); } if($ipFlag == chr(2)) { $AddrSeek = fread($fd, 3); if(strlen($AddrSeek) < 3) { fclose($fd); return 'System Error'; } $ipFlag = fread($fd, 1); if($ipFlag == chr(2)) { $AddrSeek2 = fread($fd, 3); if(strlen($AddrSeek2) < 3) { fclose($fd); return 'System Error'; } $AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0))); fseek($fd, $AddrSeek2); } else { fseek($fd, -1, SEEK_CUR); } while(($char = fread($fd, 1)) != chr(0)) $ipAddr2 .= $char; $AddrSeek = implode('', unpack('L', $AddrSeek.chr(0))); fseek($fd, $AddrSeek); while(($char = fread($fd, 1)) != chr(0)) $ipAddr1 .= $char; } else { fseek($fd, -1, SEEK_CUR); while(($char = fread($fd, 1)) != chr(0)) $ipAddr1 .= $char; $ipFlag = fread($fd, 1); if($ipFlag == chr(2)) { $AddrSeek2 = fread($fd, 3); if(strlen($AddrSeek2) < 3) { fclose($fd); return 'System Error'; } $AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0))); fseek($fd, $AddrSeek2); } else { fseek($fd, -1, SEEK_CUR); } while(($char = fread($fd, 1)) != chr(0)) $ipAddr2 .= $char; } fclose($fd); if(preg_match('/http/i', $ipAddr2)) { $ipAddr2 = ''; } $ipaddr = "$ipAddr1 $ipAddr2"; $ipaddr = preg_replace('/CZ88\.NET/is', '', $ipaddr); $ipaddr = preg_replace('/^\s*/is', '', $ipaddr); $ipaddr = preg_replace('/\s*$/is', '', $ipaddr); if(preg_match('/http/i', $ipaddr) || $ipaddr == '') { $ipaddr = 'Unknown'; } return $ipaddr;}?> 详细下载地址http://download.csdn.net/source/755047 先要有一个IP范围的数据库database `iptable` { city : char[200] begin: long end : long}用 $ip = ip2long("128.0.0.0") 转成long 格式SQL:SELECT `city` FROM `iptable` WHERE '$ip' BETWEEN `begin` AND `end` 哪个兄弟姊妹帮忙解释下以下代码啊,感激中。。。 apache下php的PNG图片问题,望高手帮忙。 求PHP做淘宝API教程,要有详细的说明和实例。新手刚开始不会用 Codeigniter 不连续的数据库记录 分页类 的使用 php不用表单如何post数据? 怎样得到$b=$a中的'a'? 想请人做一个网站,大家看看多少钱 分数全部献上求如何获取七星彩开奖结果!!!!! wordpress 中,何谓 parent query ?何谓 first_order_clause? 29岁刚刚学习PHP OK吗 file_get_contents 抓取不到网页 求购比较购物程序
$fullipfile = 'include/wry.dat';
这两个数据库,一个ip纯真数据库,一个天逸数据库,楼主可以自己去网上下载一个ip数据库
使用方法包含这个文件
if($_SERVER['HTTP_CLIENT_IP']){
$onlineip=$_SERVER['HTTP_CLIENT_IP'];
}elseif($_SERVER['HTTP_X_FORWARDED_FOR']){
$onlineip=$_SERVER['HTTP_X_FORWARDED_FOR'];
}else{
$onlineip=$_SERVER['REMOTE_ADDR'];
}
$convip =convertip($onlineip);
<?phpfunction convertip($ip) {
$return = ''; if(preg_match("/^\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}$/", $ip)) {
$iparray = explode('.', $ip); if($iparray[0] == 10 || $iparray[0] == 127 || ($iparray[0] == 192 && $iparray[1] == 168) || ($iparray[0] == 172 && ($iparray[1] >= 16 && $iparray[1] <= 31))) {
$return = 'LAN'; } elseif($iparray[0] > 255 || $iparray[1] > 255 || $iparray[2] > 255 || $iparray[3] > 255) {
$return = 'Invalid IP Address'; } else {
$tinyipfile = 'include/tinyipdata.dat';
$fullipfile = 'include/wry.dat';
if(@file_exists($tinyipfile)) {
$return = convertip_tiny($ip, $tinyipfile);
} elseif(@file_exists($fullipfile)) {
$return = convertip_full($ip, $fullipfile);
}
}
} return $return;
}function convertip_tiny($ip, $ipdatafile) {
static $fp = NULL, $offset = array(), $index = NULL; $ipdot = explode('.', $ip);
$ip = pack('N', ip2long($ip)); $ipdot[0] = (int)$ipdot[0];
$ipdot[1] = (int)$ipdot[1]; if($fp === NULL && $fp = @fopen($ipdatafile, 'rb')) {
$offset = unpack('Nlen', fread($fp, 4));
$index = fread($fp, $offset['len'] - 4);
} elseif($fp == FALSE) {
return 'Invalid IP Data File';
} $length = $offset['len'] - 1028;
$start = unpack('Vlen', $index[$ipdot[0] * 4].$index[$ipdot[0] * 4 + 1].$index[$ipdot[0] * 4 + 2].$index[$ipdot[0] * 4 + 3]); for ($start = $start['len'] * 8 + 1024; $start < $length; $start += 8) {
if ($index{$start}.$index{$start + 1}.$index{$start + 2}.$index{$start + 3} >= $ip) {
$index_offset = unpack('Vlen', $index{$start + 4}.$index{$start + 5}.$index{$start + 6}."\x0");
$index_length = unpack('Clen', $index{$start + 7});
break;
}
} fseek($fp, $offset['len'] + $index_offset['len'] - 1024);
if($index_length['len']) {
return fread($fp, $index_length['len']);
} else {
return 'Unknown';
}
}function convertip_full($ip, $ipdatafile) {
if(!$fd = @fopen($ipdatafile, 'rb')) {
return 'Invalid IP Data File';
} $ip = explode('.', $ip);
$ipNum = $ip[0] * 16777216 + $ip[1] * 65536 + $ip[2] * 256 + $ip[3]; if(!($DataBegin = fread($fd, 4)) || !($DataEnd = fread($fd, 4)) ) return;
@$ipbegin = implode('', unpack('L', $DataBegin));
if($ipbegin < 0) $ipbegin += pow(2, 32);
@$ipend = implode('', unpack('L', $DataEnd));
if($ipend < 0) $ipend += pow(2, 32);
$ipAllNum = ($ipend - $ipbegin) / 7 + 1; $BeginNum = $ip2num = $ip1num = 0;
$ipAddr1 = $ipAddr2 = '';
$EndNum = $ipAllNum; while($ip1num > $ipNum || $ip2num < $ipNum) {
$Middle= intval(($EndNum + $BeginNum) / 2); fseek($fd, $ipbegin + 7 * $Middle);
$ipData1 = fread($fd, 4);
if(strlen($ipData1) < 4) {
fclose($fd);
return 'System Error';
}
$ip1num = implode('', unpack('L', $ipData1));
if($ip1num < 0) $ip1num += pow(2, 32); if($ip1num > $ipNum) {
$EndNum = $Middle;
continue;
} $DataSeek = fread($fd, 3);
if(strlen($DataSeek) < 3) {
fclose($fd);
return 'System Error';
}
$DataSeek = implode('', unpack('L', $DataSeek.chr(0)));
fseek($fd, $DataSeek);
$ipData2 = fread($fd, 4);
if(strlen($ipData2) < 4) {
fclose($fd);
return 'System Error';
}
$ip2num = implode('', unpack('L', $ipData2));
if($ip2num < 0) $ip2num += pow(2, 32); if($ip2num < $ipNum) {
if($Middle == $BeginNum) {
fclose($fd);
return 'Unknown';
}
$BeginNum = $Middle;
}
} $ipFlag = fread($fd, 1);
if($ipFlag == chr(1)) {
$ipSeek = fread($fd, 3);
if(strlen($ipSeek) < 3) {
fclose($fd);
return 'System Error';
}
$ipSeek = implode('', unpack('L', $ipSeek.chr(0)));
fseek($fd, $ipSeek);
$ipFlag = fread($fd, 1);
} if($ipFlag == chr(2)) {
$AddrSeek = fread($fd, 3);
if(strlen($AddrSeek) < 3) {
fclose($fd);
return 'System Error';
}
$ipFlag = fread($fd, 1);
if($ipFlag == chr(2)) {
$AddrSeek2 = fread($fd, 3);
if(strlen($AddrSeek2) < 3) {
fclose($fd);
return 'System Error';
}
$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
fseek($fd, $AddrSeek2);
} else {
fseek($fd, -1, SEEK_CUR);
} while(($char = fread($fd, 1)) != chr(0))
$ipAddr2 .= $char; $AddrSeek = implode('', unpack('L', $AddrSeek.chr(0)));
fseek($fd, $AddrSeek); while(($char = fread($fd, 1)) != chr(0))
$ipAddr1 .= $char;
} else {
fseek($fd, -1, SEEK_CUR);
while(($char = fread($fd, 1)) != chr(0))
$ipAddr1 .= $char; $ipFlag = fread($fd, 1);
if($ipFlag == chr(2)) {
$AddrSeek2 = fread($fd, 3);
if(strlen($AddrSeek2) < 3) {
fclose($fd);
return 'System Error';
}
$AddrSeek2 = implode('', unpack('L', $AddrSeek2.chr(0)));
fseek($fd, $AddrSeek2);
} else {
fseek($fd, -1, SEEK_CUR);
}
while(($char = fread($fd, 1)) != chr(0))
$ipAddr2 .= $char;
}
fclose($fd); if(preg_match('/http/i', $ipAddr2)) {
$ipAddr2 = '';
}
$ipaddr = "$ipAddr1 $ipAddr2";
$ipaddr = preg_replace('/CZ88\.NET/is', '', $ipaddr);
$ipaddr = preg_replace('/^\s*/is', '', $ipaddr);
$ipaddr = preg_replace('/\s*$/is', '', $ipaddr);
if(preg_match('/http/i', $ipaddr) || $ipaddr == '') {
$ipaddr = 'Unknown';
} return $ipaddr;
}?>
database `iptable` {
city : char[200]
begin: long
end : long
}用 $ip = ip2long("128.0.0.0") 转成long 格式SQL:
SELECT `city` FROM `iptable` WHERE '$ip' BETWEEN `begin` AND `end`