project/app/common/User.php

<?php
namespace app\common;

use think\facade\Cache;
class User {
	protected static $instance;
	protected  $logined = false;
	protected  $error='';
	protected  $errorCode="0";
	protected  $token = '';
	protected  $userinfo=null;
	protected  $keeptime=3600;
	//获取用户信息
    public function __get($name){
        return $this->userinfo ? $this->userinfo[$name] : null;
    }
    
      public function getErroCode()
    {
        return $this->errorCode ?: 1;
    }
    
     public function getError()
    {
        return $this->error ?: '';
    }

    public function setError($error): User
    {
        $this->error = $error;
        return $this;
    }

      /**
     * 获取会员Token
     * @return string
     */
    public function getToken(): string
    {
        return $this->token;
    }

     public function getUser()
    {
        return $this->userinfo;
    }
    
     public function init($token): bool
    {
        if($token==''){
            $this->setError('token参数不能为空');
            $this->setErrorCode('102');
            return false;
        }
    	$tokenData = Cache::get('user:info:'.$token);
        if (!$tokenData) {
        	$this->token= $token;
        	$this->setError('用户信息已失效');
        	$this->setErrorCode('102');
            return false;
        }
        if ($this->error) {
            return false;
        }
        $userId = intval($tokenData['id']);
        if ($userId > 0) {
        	    $this->userinfo = $tokenData?:null;
            	return $this->loginSuccessful();
        }
        $this->setError('登录失败');
         return false;
        
    }
    
    public function checkToken(){
        return false;
    }
    
    public function setErrorCode(int $code):User
    {
    	
    	$this->errorCode=$code;
    	return $this;
    }
    
     /**
     * 登录失败
     * @return bool
     */
    public function loginFailed(): bool
    {
        if (!$this->userinfo) {
            return false;
        }
       
            $this->token   = '';
            $this->userinfo   = null;
            $this->logined = false;
        return true;
    }

    public function  checkUser(){
    	if(!$this->userinfo) return false;
    	
            return true;
    }

    public function LoginUserInfo($userInfo,$token="",$keepTime){
        $this->keeptime= $keepTime;
        $this->userinfo =$userInfo;
        $this->token = $token;
        return $this->loginSuccessful();
    }
    /** 刷新token有效期
     * 登录成功
     * @return bool
     */
    public function loginSuccessful(): bool
    {
	        if (!$this->userinfo) {
	            return false;
	        }
            $this->logined = true;
            if ($this->token!='') {
                Cache::set("user:info:{$this->token}",$this->userinfo,$this->keeptime);
            }
        return true;
    }
    
	 public static function instance(): User
    {
        if (is_null(self::$instance)) {
            self::$instance = new static();
        }
        return self::$instance;
    }
    //是否已经登录标识
     public function isLogin(): bool
    {
        return $this->logined;
    }
}