根据IP查询所在地区

2023年3月4日 Tools & Skills Joe.Ye

IpIp

官网：https://www.ipip.net/
IPv4免费地址库：https://www.ipip.net/product/client.html
Github：https://github.com/ipipdotnet
Java Demo：https://github.com/ipipdotnet/ipdb-java
PHP Demo：https://github.com/ipipdotnet/ipdb-php

public function setIp($ip)
{
    if (!class_exists('IP')) {
        include dirname(__FILE__) . "/../third_party/ipip/IP.class.php";
    }
    $loc = IP::find($ip);
    if ($loc == 'N/A') {
        return;
    }
    if (isset($loc[0]) && $loc[0] != '')
        $this->country = $loc[0];
    if (isset($loc[1]) && $loc[1] != '')
        $this->region = $loc[1];
    if (isset($loc[2]) && $loc[2] != '')
        $this->city = $loc[2];
}