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70 lines
1.9 KiB
70 lines
1.9 KiB
<?php
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// 获取上一个页面的 URL
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session_start();
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$referer = $_SESSION['prev_url'];
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unset($_SESSION['prev_url']);
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$appid = 'wx79343915f99167e6';
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$appsecret = 'f2f72c5e0ac29c2373bfaf22cf059c02';
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$redirect_uri = 'https://shop.heavenk.com/mobile/blank.php'; // 回调URL
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// 构造授权链接
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$auth_url = 'https://open.weixin.qq.com/connect/oauth2/authorize'
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. '?appid=' . urlencode($appid)
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. '&redirect_uri=' . urlencode($redirect_uri)
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. '&response_type=code'
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. '&scope=snsapi_userinfo' // snsapi_base 只获取openid，snsapi_userinfo 获取用户信息
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. '&state=STATE'; // wechat_redirect
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// 如果用户已经授权，则重定向到回调URL，并获取用户的openid
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if (isset($_GET['code'])) {
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$code = $_GET['code'];
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// 构造获取access_token的URL
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$token_url = 'https://api.weixin.qq.com/sns/oauth2/access_token'
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. '?appid=' . urlencode($appid)
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. '&secret=' . urlencode($appsecret)
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. '&code=' . urlencode($code)
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. '&grant_type=authorization_code';
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// 发送HTTP请求获取access_token
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// 创建一个cURL句柄
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$ch = curl_init();
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// 设置请求的URL和其他选项
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curl_setopt($ch, CURLOPT_URL, $token_url);
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curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
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// 发送HTTP GET请求并获取响应
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$response = curl_exec($ch);
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// 检查是否有错误发生
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if(curl_errno($ch)) {
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echo 'cURL Error: ' . curl_error($ch);
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}
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// 关闭cURL句柄
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curl_close($ch);
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// 输出响应
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$response = json_decode($response);
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// var_dump($response->openid);
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$_SESSION['openid'] = $response->openid;
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// return $response->openid;
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// 跳回原来的页面
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$redirect_url = $referer;
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var_dump($redirect_url);
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header("Location: $redirect_url");
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exit;
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} else {
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// 如果没有授权，则重定向到授权页面
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header('Location: ' . $auth_url);
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var_dump($_GET['code']);
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exit();
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}
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?>
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