php实现支付宝授权登录

 1 /**
 2      * 支付宝授权登录
 3      */
 4     public function aliLogin(){
 5         //获取配置文件的ali参数
 6         $ali_config = C("ALI_CONFIG");
 7 
 8         //应用的APPID
 9         $app_id = "2017061407485473";
10         //【成功授权】后的回调地址
11         $my_url = "http://".$_SERVER[‘HTTP_HOST‘]."/Home/User/aliLogin";
12 
13         //Step1：获取auth_code
14         $auth_code = $_REQUEST["auth_code"];//存放auth_code
15         if(empty($auth_code)){
16             //state参数用于防止CSRF攻击，成功授权后回调时会原样带回
17             $_SESSION[‘alipay_state‘] = md5(uniqid(rand(), TRUE));
18             //拼接请求授权的URL
19             $url = "https://openauth.alipay.com/oauth2/publicAppAuthorize.htm?app_id=".$app_id."&scope=auth_user&redirect_uri=".$my_url."&state="
20                 . $_SESSION[‘alipay_state‘];
21 
22             echo("<script> top.location.href=‘" . $url . "‘</script>");
23         }
24         //Step2: 使用auth_code换取apauth_token
25         if($_REQUEST[‘state‘] == $_SESSION[‘alipay_state‘] || 1)
26         {
27             vendor("Alipay.AopClient"); //引入sdk
28             $aop = new \AopClient();
29             $aop->gatewayUrl           　 = "https://openapi.alipay.com/gateway.do";
30             $aop->appId                 　　= $app_id;
31             $aop->rsaPrivateKey           = $ali_config[‘RSA_PRIVATE_KEY‘];　　//应用私钥
32             $aop->alipayrsaPublicKey   = $ali_config[‘ALIPAY_RSA_PBULIC_KEY‘];　　//支付宝公钥
33             $aop->apiVersion            　 = ‘1.0‘;
34             $aop->signType              　 = ‘RSA2‘;
35             $aop->postCharset             = ‘utf-8‘;
36             $aop->format                　   = ‘json‘;
37 
38             //根据返回的auth_code换取access_token
39             vendor("Alipay.AlipaySystemOauthTokenRequest");　　//调用sdk里面的AlipaySystemOauthTokenRequest类
40             $request = new \AlipaySystemOauthTokenRequest();
41             $request->setGrantType("authorization_code");
42             $request->setCode($auth_code);
43             $result = $aop->execute($request);
44             $access_token = $result->alipay_system_oauth_token_response->access_token;
45 
46         //Step3: 用access_token获取用户信息
47             vendor("Alipay.AlipayUserInfoShareRequest");　　//调用sdk里面的AlipayUserInfoShareRequest类
48             $request = new \AlipayUserInfoShareRequest();
49             $result = $aop->execute ( $request, $access_token);
50             $responseNode = str_replace(".", "_", $request->getApiMethodName()) . "_response";
51             $resultCode = $result->$responseNode->code;
52             if(!empty($resultCode)&&$resultCode == 10000){
53                 $user_data = $result->$responseNode;
54                 $m = M("Member");
55                 $data = array();
56                 $data[‘sex‘]              = $user_data->gender==‘m‘?1:2;
57                 $data[‘province‘]      = $user_data->province;
58                 $data[‘city‘]             = $user_data->city;
59                 $data[‘person_name‘]   = $user_data->nick_name;
60                 $data[‘ali_openid‘]    = $user_data->user_id;
61                 $data[‘ali_name‘]      = $user_data->nick_name;
62                 $data[‘ali_img‘]       = $user_data->avatar;
63                 $data[‘addtime‘]       = date("Y-m-d H:i:s", time());
64                 $data[‘person_img‘]       = $user_data->avatar;
65                 $data[‘signtime‘]       = date("Y-m-d H:i:s", time());
66 
67                 $user = M("Member")->where(array("ali_openid"=> $user_data->user_id))->find();
68 
69 　　　　//判断是否是第一次登录
70                 if($user){
71                     $res = M("Member")->where(array("ali_openid"=> $user_data->user_id))->setField("signtime", date("Y-m-d H:i:s", time()));
72                     if($res){
73                        　　//成功登录业务逻辑
74                        
75                     }else{
76                         $this->error("操作异常，拒绝访问！", U(‘user/login‘));
77                     }
78                 }else{
79                     $res=$m->add($data);
80                     if($res){
81                        　　//成功登录业务逻辑
82 
83 
84                     }else{
85                         $this->error("操作异常，拒绝访问！", U(‘user/login‘));
86                     }
87                 }
88 
89             } else {
90                 $this->error("操作异常，拒绝访问！", U(‘user/login‘));
91             }
92 
93         }
94     }