Mini Program to implement Token generation and verification

<view>
  <button bindtap="loadTokenData">Carry token request data</button>
</view>

Page({
  data: {
  },
 
  onLoad:function(){
    // this._loadData();
  },
 
  //Generate token
  setToken:function(callback){
    // wx.setStorageSync('token', "sfspx64w8x47w14x3zX4x4wf4")
    var that = this;
    wx.request({
      url: 'http://2021xcx-api.com/api/gettoken',
      method: 'POST',
      success: function(res){
        console.log(res.data);
        var data = res.data;
        if(data.code==1){
          //Update the newly acquired token value wx.setStorageSync('token', data.token);
          // Execute callback function callback&&callback()
        }else{
          that.setToken();
        }
      }
    })
  },
 loadToeknData:function(){
   var that = this;
    wx.request({
      url: 'http://2021xcx-api.com/api/orders',
      method: 'POST',
      header: {
        'content-type': 'application/json',
        'token': wx.getStorageSync('token')
      },
      success: function(res){
        var data = res.data;
        console.log(data)
        if(data.code==903){
          // Token expires, request to set it again // Carry a callback function and continue to execute this method after token is re-acquired.
          that.setToken(that.loadTokenData)
        }
      }
    })
  },
}) 

<?php
Route::post("api/orders", "api/index/getOrders");
//Token
Route::post("api/gettoken", "api/token/createToken");

<?php
namespace app\api\controller;
use app\api\controller\Token;
use think\Cache;
 
class Index extends Token
{
    public function getOrders(Token $token){
        $token->verifyToken();
 
        $data['orders'] = [
            'id' => 1,
            'title' => 'apple',
            'time' => time()
        ];
        echo json_encode($data);
 
    }
}

<?php
namespace app\api\controller;
use think\Controller;
 
class Token extends Controller
{
    protected $returnParam = [
        'code' => 1,
        'msg' => 'Request failed'
    ];
 
    /**
     * [verifyToken verifies whether the Token is carried and exists]
     * @return [type] [description]
     */
    public function verifyToken(){
        $token = request()->header()['token'];
        $isSetToken = cache($token);
        // dump($isSetToken); die;
        if(!$isSetToken){
            $this->returnParam['code'] = 903;
            $this->returnParam['msg'] = "Token verification failed";
            echo json_encode( $this->returnParam );die;
        }
    }
    
    /**
     * [createToken Token generation]
     * tip: record user ID/session_kye/openid in token
     * @return [type] [description]
     */
    public function createToken()
    {
        $randStr = rand(1,9999);
        $time = time();
        $sale = "xixi2021";
 
        // * Simulate here--WeChat interface is not requested to obtain sessionkey and openid $tokenValue = [
            'uid' => 1,
            'session_key' => '84848aasa',
            'openid' => '20oxl65wc4d4s5x7hwc',
            'code' => 'sssaaeee'
        ];
        $tokenKey = md5($randStr.$time.$sale);
        //Cache token data cache($tokenKey, json_encode($tokenValue), 1);
 
        $returnParam = [
            'code' => 1,
            'token' => $tokenKey
        ];
        echo json_encode($returnParam);
    }
   
}