php實現支付寶受權登陸

第一步:php

登陸到螞蟻金服開放平臺 https://open.alipay.com/platform/home.htm,前提是有商戶號。建立應用以後,而後到開發者中心開通對應功能。如圖:json

 

第二步:api

到應用信息裏面填寫應用網關受權回調地址應用網關填寫域名便可,如:www.baidu.com;受權回調地址則須要具體到頁面或者方法,如:www.baidu.com/aliLogin.php。app

 

 

第三步:post

填寫接口加簽方式。去官方下載簽名生成器,而後生成一對祕鑰(應用公鑰和應用私鑰),設置好應用公鑰以後,能拿到對應的支付寶公鑰。(重點是 應用私鑰和支付寶公鑰this

 

 

第四步:url

數據表的設計。能夠新建數據表存儲支付寶返回數據,也能夠在用戶表裏面新加字段存儲。個人實現方法是後者,如圖:spa

下面代碼能夠看到支付寶返回數據存入對應字段設計

 

第五步:code

下載sdk,地址   https://doc.open.alipay.com/docs/doc.htm?spm=a219a.7629140.0.0.iw1InW&treeId=193&articleId=103419&docType=1 。根據以上步驟拿到的appid,應用私鑰(RSA_PRIVATE_KEY)和支付寶公鑰(ALIPAY_RSA_PBULIC_KEY),開始調用支付寶接口獲取數據。上代碼:

/**
     * 支付寶受權登陸
     */
    public function aliLogin(){
        //獲取配置文件的ali參數
        $ali_config = C("ALI_CONFIG");

        //應用的APPID
        $app_id = "2017061407485473";
        //【成功受權】後的回調地址
        $my_url = "http://".$_SERVER['HTTP_HOST']."/Home/User/aliLogin";

        //Step1:獲取auth_code
        $auth_code = $_REQUEST["auth_code"];//存放auth_code
        if(empty($auth_code)){
            //state參數用於防止CSRF攻擊,成功受權後回調時會原樣帶回
            $_SESSION['alipay_state'] = md5(uniqid(rand(), TRUE));
            //拼接請求受權的URL
            $url = "https://openauth.alipay.com/oauth2/publicAppAuthorize.htm?app_id=".$app_id."&scope=auth_user&redirect_uri=".$my_url."&state="
                . $_SESSION['alipay_state'];

            echo("<script> top.location.href='" . $url . "'</script>");
        }
        //Step2: 使用auth_code換取apauth_token
        if($_REQUEST['state'] == $_SESSION['alipay_state'] || 1)
        {
            vendor("Alipay.AopClient"); //引入sdk
            $aop = new \AopClient();
            $aop->gatewayUrl             = "https://openapi.alipay.com/gateway.do";
            $aop->appId                   = $app_id;
            $aop->rsaPrivateKey           = $ali_config['RSA_PRIVATE_KEY'];  //應用私鑰
            $aop->alipayrsaPublicKey   = $ali_config['ALIPAY_RSA_PBULIC_KEY'];  //支付寶公鑰
            $aop->apiVersion              = '1.0';
            $aop->signType                = 'RSA2';
            $aop->postCharset             = 'utf-8';
            $aop->format                    = 'json';

            //根據返回的auth_code換取access_token
            vendor("Alipay.AlipaySystemOauthTokenRequest");  //調用sdk裏面的AlipaySystemOauthTokenRequest類
            $request = new \AlipaySystemOauthTokenRequest();
            $request->setGrantType("authorization_code");
            $request->setCode($auth_code);
            $result = $aop->execute($request);
            $access_token = $result->alipay_system_oauth_token_response->access_token;

        //Step3: 用access_token獲取用戶信息
            vendor("Alipay.AlipayUserInfoShareRequest");  //調用sdk裏面的AlipayUserInfoShareRequest類
            $request = new \AlipayUserInfoShareRequest();
            $result = $aop->execute ( $request, $access_token);
            $responseNode = str_replace(".", "_", $request->getApiMethodName()) . "_response";
            $resultCode = $result->$responseNode->code;
            if(!empty($resultCode)&&$resultCode == 10000){
                $user_data = $result->$responseNode;
                $m = M("Member");
                $data = array();
                $data['sex']              = $user_data->gender=='m'?1:2;
                $data['province']      = $user_data->province;
                $data['city']             = $user_data->city;
                $data['person_name']   = $user_data->nick_name;
                $data['ali_openid']    = $user_data->user_id;
                $data['ali_name']      = $user_data->nick_name;
                $data['ali_img']       = $user_data->avatar;
                $data['addtime']       = date("Y-m-d H:i:s", time());
                $data['person_img']       = $user_data->avatar;
                $data['signtime']       = date("Y-m-d H:i:s", time());

                $user = M("Member")->where(array("ali_openid"=> $user_data->user_id))->find();

    //判斷是不是第一次登陸
                if($user){
                    $res = M("Member")->where(array("ali_openid"=> $user_data->user_id))->setField("signtime", date("Y-m-d H:i:s", time()));
                    if($res){
                         //成功登陸業務邏輯
                       
                    }else{
                        $this->error("操做異常,拒絕訪問!", U('user/login'));
                    }
                }else{
                    $res=$m->add($data);
                    if($res){
                         //成功登陸業務邏輯


                    }else{
                        $this->error("操做異常,拒絕訪問!", U('user/login'));
                    }
                }

            } else {
                $this->error("操做異常,拒絕訪問!", U('user/login'));
            }

        }
    }
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