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【转】GeoIP + PHP 完全指南

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Jun 23, 2016 pm 02:28 PM

转自：http://www.21andy.com/blog/20100405/1799.html

有2种标准方法来使用 GeoIP

第一种方法：
先下载 GeoIP 数据文件

wget -c http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz
gunzip GeoIP.dat.gz

接着下载 GeoIP 的 PHP 文件，保存为 geoip.php
http://geolite.maxmind.com/download/geoip/api/php/geoip.inc

好了，直接使用

php

     // 计时开始
     function utime() {
         $time = explode ( " " , microtime () );
         $usec = ( double ) $time [ 0 ];
         $sec = ( double ) $time [ 1 ];
         return $usec + $sec ;
    }
     $startTimes = utime();

     // include the php script
    // wget -c http://geolite.maxmind.com/download/geoip/database/GeoLiteCountry/GeoIP.dat.gz
    // gunzip GeoIP.dat.gz
     include ( " geoip.php " );

     // open the geoip database
     $gi = geoip_open( " GeoIP.dat " , GEOIP_STANDARD);

     // 获取国家代码
     $country_code = geoip_country_code_by_addr( $gi , $_SERVER [ ' REMOTE_ADDR ' ]);
     echo " Your country code is: $country_code
" ;

     // 获取国家名称
     $country_name = geoip_country_name_by_addr( $gi , $_SERVER [ ' REMOTE_ADDR ' ]);
     echo " Your country name is: $country_name
" ;

     // close the database
    geoip_close( $gi );

     // 运行结束时间
     $endTimes = utime();
     $runTimes = sprintf ( ' %0.4f ' , ( $endTimes - $startTimes ) );
     echo " Processed in " . $runTimes . " second. " ;
?>

此方法使用二进制文件做为数据库，速度很快，不需要数据库。我试了执行时间是0.001，每秒完成1000次不成问题。

第二种方法：
把 GeoIP 安装成 PHP 扩展

yum install GeoIP GeoIP-data GeoIP-devel

下载 GeoIP 数据库

wget http://geolite.maxmind.com/download/geoip/database/GeoLiteCity.dat.gz
gzip -d GeoLiteCity.dat.gz
mv GeoLiteCity.dat /var/lib/GeoIP/GeoIPCity.dat

下载 GeoIP 的 PECL 扩展
下载地址 http://pecl.php.net/package/geoip

wget -c http://pecl.php.net/get/geoip-1.0.7.tgz
tar -zxvf geoip-1.0.7.tgz

安装 GeoIP 的 PECL 扩展

cd geoip-1.0.7
/usr/bin/phpize
./configure --with-php-config=/usr/bin/php-config --with-geoip
make
make install

在 php.ini 里加上

extension=geoip.so

接着重启一下 php 就行了

service httpd restart

现在，你可以使用 php 手册里的 GeoIP 部份函数了
http://cn.php.net/manual/en/book.geoip.php

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