Tp5.0 applet users do not need to log in and directly obtain the user's mobile number.

<?php

namespace app\api\controller;


use app\common\controller\Api;
use app\common\model\User;
use think\Hook;
use think\Db;
use think\Cache;

/**
 *
 */
class Wechat extends Api
{


    protected $noNeedLogin = '*';
    protected $noNeedRight = '*';
    public $AppId = ' Fill in your own ';
    public $Secret = ' Fill in your own ';



    // Get the user's mobile number 
    public function user_phone(){
        // Get the... From the front end code, If the front end doesn't know code What is it , Just tease him .
      $post = $this->request->param();
        if(!isset($post['code']) || empty($post['code'])){
            $return['status'] = 222;
            $return['msg'] = ' Illegal request ';
            return json_encode($return);
            
        }
        
        
      // obtain accesstoken
        
       $accessToken = $this->get_access_token();
      
    // Request address 
       $url = 'https://api.weixin.qq.com/wxa/business/getuserphonenumber?access_token='.$accessToken;
     // From the front end code
       $code = $post['code'];
       // Make an array 
       $data=[
            'code'=>$code,
        ];

          // Here we need to convert the passed parameters into json, Otherwise, the applet interface will report data type error .
        $result = json_decode($this->curl_post_https($url,json_encode($data)),true);
        // Start to judge whether the acquisition is successful 
        if($result['errmsg'] == 0){
            // To be successful 
            $phoen = $result['phone_info']['phoneNumber'];
            $return['smg'] = ' Successfully obtained mobile phone number ！';
            $return['code'] = 200;
            $return['phone'] = $phoen;
            // Return the phone number to the front end , Or store it yourself . See the demand 
            //Db::name('user')->add();
            return json_encode($return);
            
        }else{
            $return['smg'] = ' Failed to get mobile number ！';
            $return['code'] = 201;
            return json_encode($return);
            
        }

      
    }


     // Get the QR code of the applet token
    public function get_access_token()
    {
        // First judge what is in the cache access_token Has it expired 
        if(Cache::get('access_token')){
            // Take it out directly without expiration 
            $a = Cache::get('access_token');
            return $a;
        }else{
            // Get it again when it expires 
            $appid = $this->AppId;
            $secret = $this->Secret;
            $url = "https://api.weixin.qq.com/cgi-bin/token? grant_type=client_credential&appid=$appid&secret=$secret";
            // Request interface , obtain accesstoken
            $user_obj = $this->curlHttp($url);
            // And then accesstoken Stored in cache , Official expiration time 7200 second , The cache can expire earlier , Control yourself 
            Cache::set('access_token',$user_obj['access_token'],7100);
            
            return Cache::get('access_token');
        }
    }


    
       /**
     *  send out get request 
     */
    public function curlHttp($url){


        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL,$url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_HEADER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $output = curl_exec($ch);
        // Release curl Handle 
        curl_close($ch);
        return json_decode($output,true);
    }

           /**
     *  send out post request 
     */
    public function curl_post_https($url,$data,$header=[]){
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
        curl_setopt($ch, CURLOPT_POST, true);
        curl_setopt($ch, CURLOPT_POSTFIELDS, $data);
        curl_setopt($ch, CURLOPT_HEADER, $header);
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        curl_setopt($ch, CURLOPT_SSL_VERIFYHOST, false);
        $output = curl_exec($ch);
        curl_close($ch);

        return $output;
    }

}

The data returned after the request is successful .

 

  It's simple ！