2 changed files with 111 additions and 41 deletions
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<?php |
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// 获取上一个页面的 URL |
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$referer = $_SERVER['HTTP_REFERER']; |
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$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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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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