<?php
/**
 * 钉钉下载跳转页面
 * 根据 platform 参数跳转到对应的下载链接
 */

// 获取平台参数
$platform = isset($_GET['platform']) ? $_GET['platform'] : '';

// 根据平台设置跳转URL
$downloadUrls = [
    'windows' => 'https://dtplus-pa.oss-cn-beijing.aliyuncs.com/dt/3.0.0/DingTalkSetup.exe',
    'mac' => 'https://dtplus-pa.oss-cn-beijing.aliyuncs.com/dt/3.0.0/DingTalk.dmg',
    'ios' => 'https://apps.apple.com/cn/app/ding-ding/id930368978',
    'android' => 'https://download.alibaba.com/dingtalk/DingTalk_v8.3.15_android_tencent_SAG_h2.apk',
    'ipad' => 'https://apps.apple.com/cn/app/ding-ding/id930368978',
    'linux' => 'https://dtplus-pa.oss-cn-beijing.aliyuncs.com/dt/3.0.0/DingTalk.rpm',
];

// 如果参数有效则跳转，否则返回下载页面
if (isset($downloadUrls[$platform])) {
    header('Location: ' . $downloadUrls[$platform]);
    exit;
} else {
    // 无效参数或无参数，跳回下载页面
    header('Location: download.html');
    exit;
}
?>