支付宝小程序登录

基类

<?php

/**
 * User: Eden
 * Date: 2019/3/21
 * 共有内容
 */

namespace CommonService;

use VendorFuncHttp;

class AliService extends CommonService
{
    public function __construct()
    {
        parent::__construct();
    }


    /**
     * 获取access_token
     * appkey
     * appsecret
     */ 
    public function getAccessToken($appkey = '', $appsecret = '')
    {
        $appkey = $appkey ?:C('ALI.APP_KEY');
        $appsecret = $appsecret ?:C('ALI.APP_SECRET');
        // 查询缓存中是否存在
        $key = "ali_access_token_" . $appkey;
        $ttl = $this->red->ttl($key);
        if ($ttl == -2) { // 不存在
            // step1 获取
            $request_url = C('ALI.OAPI_HOST')."/gettoken?";
            $request_url .= "appkey=" . $appkey . "&appsecret=" . $appsecret;
            $data = json_decode(Http::doGet($request_url, 5), true);

            // step2 存储
            $this->red->setex($key, $data['expires_in'] - 1000, $data['access_token']);
            return $data['access_token'];
        } else {
            return $this->red->get($key);
        }
    }

    /**
     * 获取用户信息
     */ 
    public function getUserInfo($access_token, $code)
    {
        // step1 获取
        $request_url = C('ALI.OAPI_HOST')."/user/getuserinfo";
        $params = [
            'access_token' => $access_token,
            'code'         => $code
        ];
        $data = json_decode(Http::newDoGet($request_url,$params, 5), true);

        return $data;
    }


    /**
     * 获取用户信息
     */ 
    public function getUser($access_token, $userid)
    {
        // step1 获取
        $request_url = C('ALI.OAPI_HOST')."/user/get";
        $params = [
            'access_token' => $access_token,
            'userid'         => $userid
        ];
        $data = json_decode(Http::newDoGet($request_url,$params, 5), true);

        return $data;
    }
}

登录

<?php
namespace ApiAction;

use CommonServiceAliService;

/**
 * 需要登录的接口页面，从这里进入
 * Class LoginAction
 */
class LoginAction extends CommonAction
{
    public function _initialize()
    {
        parent::_initialize();
    }

    public function login() {
        $aliService = new AliService();
        $access_token = $aliService->getAccessToken();
        $code = $_POST['authCode'];

        $res = $aliService->getUserInfo($access_token,$code);
        if ($res['errcode'] != 0) { // 获取成功
            $this->json->E($res['errmsg']);
        }

        $userid = $res['userid'];
        $user_res = $aliService->getUser($access_token,$userid);
        if ($user_res['errcode'] != 0) { // 获取成功
            $this->json->E($user_res['errmsg']);
        }

        $out_data = [
            'userid' => $userid,
            'name' => $user_res['name'],
            'avatar' => $user_res['avatar'],
            'openId' => $user_res['openId'],
            'unionid' => $user_res['unionid'],
            'mobile' => $user_res['mobile'],
        ];

        $this->json->S($out_data);
    }
}