如何轻松获取用户地理位置？gpslab/geoip2助你集成MaxMindGeoIP2API

<code class="bash">composer require gpslab/geoip2</code>

<pre class="brush:php;toolbar:false;"><?php

namespace App\Controller;

use GeoIp2\Database\Reader;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

class GeoIpController extends AbstractController
{
    /**
     * @Route("/my-location", name="my_location")
     */
    public function showMyLocation(Reader $reader): Response
    {
        // 获取当前请求的客户端IP地址，或者你可以传入任何IP
        $ipAddress = $this->requestStack->getCurrentRequest()->getClientIp();
        // $ipAddress = '128.101.101.101'; // 示例IP

        try {
            // 获取 GeoIP2 城市模型记录
            $record = $reader->city($ipAddress);

            $output = sprintf(
                "您来自：<br/>国家代码: %s (%s)<br/>省份: %s (%s)<br/>城市: %s<br/>邮编: %s<br/>经纬度: %f, %f",
                $record->country->isoCode,
                $record->country->name,
                $record->mostSpecificSubdivision->name,
                $record->mostSpecificSubdivision->isoCode,
                $record->city->name,
                $record->postal->code,
                $record->location->latitude,
                $record->location->longitude
            );

            // 甚至可以获取指定语言的名称，前提是数据库支持且配置了 locales
            if (isset($record->country->names['zh-CN'])) {
                 $output .= sprintf("<br/>国家中文名: %s", $record->country->names['zh-CN']);
            }

        } catch (\Exception $e) {
            $output = '无法获取地理位置信息：' . $e->getMessage();
        }

        return new Response($output);
    }
}

<pre class="brush:php;toolbar:false;"># config/packages/gpslab_geoip2.yaml
gpslab_geoip:
    # 全局许可证密钥和本地化设置
    license: 'XXXXXXXXXXXXXXXX'
    locales: [ 'zh-CN', 'en' ]
    default_database: 'city' # 设置默认数据库，可直接注入 Reader::class

    databases:
        asn:
            edition: 'GeoLite2-ASN'
            # 可以覆盖全局设置，例如使用不同的本地化语言
            locales: [ 'fr' ]
        city:
            edition: 'GeoLite2-City'
            # 可以覆盖全局设置，例如自定义路径
            path: '%kernel.project_dir%/var/GeoLite2-City.mmdb'
        country:
            edition: 'GeoLite2-Country'
            # 可以使用不同的许可证密钥
            license: 'YYYYYYYYYYYYYYYY'

<pre class="brush:php;toolbar:false;">// 获取城市数据库阅读器 (默认)
$cityReader = $this->get(Reader::class); // 或 $this->get('geoip2.database.city_reader');

// 获取国家数据库阅读器
$countryReader = $this->get('geoip2.database.country_reader');

// 获取 ASN 数据库阅读器
$asnReader = $this->get('geoip2.database.asn_reader');

<pre class="brush:php;toolbar:false;"><?php

namespace App\Controller;

use GpsLab\Bundle\GeoIP2Bundle\Reader\ReaderFactory;
use Symfony\Bundle\FrameworkBundle\Controller\AbstractController;
use Symfony\Component\HttpFoundation\Request;
use Symfony\Component\HttpFoundation\Response;
use Symfony\Component\Routing\Annotation\Route;

class DynamicGeoIpController extends AbstractController
{
    /**
     * @Route("/dynamic-location", name="dynamic_location")
     */
    public function dynamicLocation(Request $request, ReaderFactory $factory): Response
    {
        $clientLocale = $request->getLocale(); // 获取客户端语言，如 'zh-CN'
        $clientIp = $request->getClientIp();
        $databaseName = 'city'; // 使用你配置的数据库名称

        // 创建一个阅读器，优先使用客户端语言，其次是英语
        $reader = $factory->create($databaseName, [$clientLocale, 'en']);

        try {
            $record = $reader->city($clientIp);
            $countryName = $record->country->name; // 会根据 $clientLocale 自动选择最合适的语言

            return new Response(sprintf('您来自 %s', $countryName));
        } catch (\Exception $e) {
            return new Response('无法获取地理位置信息：' . $e->getMessage());
        }
    }
}

<pre class="brush:php;toolbar:false;"># 更新所有配置的数据库
php bin/console geoip2:update

# 更新指定的数据库（例如，只更新城市和国家数据库）
php bin/console geoip2:update city country

<code class="bash">php bin/console geoip2:download https://example.com/GeoLite2-City.tar.gz /path/to/GeoLite2-City.mmdb</code>