1 <?php
2
3
4 /*********************************
5 * 微信相关工具类
**********************************/
9 class wechat_util{
10 const WC_APPID = ''; //微信公众号身份的唯一标识。审核通过后，在微信发送的邮件中查看
11 const WC_APP_SECRET = '';//JSAPI接口中获取openid，审核后在公众平台开启开发模式后可查看
12 /**
13 * 获取用户的code
14 */
15 public function getUserCodeOp()
16 {
17 $redirect_uri = ''; //回调地址，自行设置为自己网站地址和请求参数
18 $state = 'yarkool';
19 $scope = 'snsapi_base';
20 //不弹出授权页面
21 $get_code_url = 'https://open.weixin.qq.com/connect/oauth2/authorize?appid=' .self::WC_APPID . '&redirect_uri=' . urlencode($redirect_uri) . '&response_type=code&scope=' . $scope . '&state=' . $state . '#wechat_redirect';
22 header("Location:" . $get_code_url);
23 }
24 //获取用户信息
25 public function getUserCodeCallbackOp()
26 {
27 $code = $_GET["code"];
28 $get_base_token_url = 'https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=' . self::WC_APPID . '&secret=' . self::WC_APP_SECRET;
29 $base_token = $this->curl_request($get_base_token_url);
30 $access_token = $base_token['access_token'];
31 //通过网页授权获取用户openid
32 $get_token_url = 'https://api.weixin.qq.com/sns/oauth2/access_token?appid=' . self::WC_APPID . '&secret=' . self::WC_APP_SECRET . '&code=' . $code . '&grant_type=authorization_code';
33 $token_obj = $this->curl_request($get_token_url);
34 //根据openid和基础支持的access_token查询用户信息
35 $openid = $token_obj['openid'];
36 $get_user_url = 'https://api.weixin.qq.com/cgi-bin/user/info?access_token=' . $access_token . '&openid&openid=' . $openid . '&lang';
37 $user_obj = $this->curl_request($get_user_url);
38
39 //可对用户信息做处理，如存到数据库
40 if ($user_obj['openid']) {
41 $headurl = $user_obj['headimgurl']; //用户头像地址
42 $nickname = $user_obj['nickname'];//用户昵称
43
44 }
45 //获取到信息后自行操作
46 $index_url = "";
47 header("Location:" . $index_url);
48
49 }
50 /**
51 * curl请求
52 */
53 private function curl_request($url)
54 {
55 $ch = curl_init();
56 //设置超时
57 curl_setopt($ch, CURLOPT_TIMEOUT, 30);
58 curl_setopt($ch, CURLOPT_URL, $url);
59 curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, FALSE);
60 curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, FALSE);
61 curl_setopt($ch, CURLOPT_HEADER, FALSE);
62 curl_setopt($ch, CURLOPT_RETURNTRANSFER, TRUE);
63 //运行curl，结果以jason形式返回
64 $res = curl_exec($ch);
65 curl_close($ch);
66 $json_obj = json_decode($res, true);
67 return $json_obj;
68 }
69 }
70
71 ?>
