JDF_ElectronicPublicity_admin/extend/weixin/Wxauth.php

<?php
namespace weixin;
/**
 * @title        : 微信自动登录接口插件
 * @desc         : 使用微信授权登录系统
 * @Author       : Mr.Fu
 * @Date         : 2023-04-06 19:06:59
 */
class Wxauth
{
	//微信认证URL
	private $Host="https://open.weixin.qq.com/connect/oauth2/authorize?";
	private $Response_type="code";	//private $Scope="snsapi_base";
  	private $Scope="snsapi_base";//snsapi_userinfo/snsapi_base
	private $State="1";
	private $Appid="";
	private $Appsecret="";
	private $Redirect_uri="";//回调地址
	private $Auth_url="";
	
	public function __construct()
	{
    	//读取微信登录配置
	 	// $this->Host			=$this->Config['wxauth_url'];
	 	$this->Redirect_uri	= urlencode('');
	 	$this->APPID		=sysconfig('wchat.wxmini_user_appid');
	 	$this->APPSECRET	=sysconfig('wchat.wxmini_user_secret');
		$this->Auth_url     =$this->Host."appid=".$this->APPID."&redirect_uri=".$this->Redirect_uri."&response_type=".$this->Response_type."&scope=".$this->Scope."&state=".$this->State."#wechat_redirect";
		
    }
    /**
     * @title: 根据CODE获取AccessToken
     * @desc: 描述
     * @param {string} {code} {} {微信用户登录code}
     * @return {*}
     * @author: Mr.Fu
     * @method: POST
     * @Date: 2023-04-06 19:42:22
     */    
    public function getAccesstoken(string $code=''){
        $url = 'https://api.weixin.qq.com/sns/oauth2/access_token?';
        $url .= "appid=$this->APPID&secret=$this->APPSECRET&CODE=$code&grant_type=authorization_code";
        $result = file_get_contents($url);
        $result = json_decode($result,true);
        WLog('wxlogin',serialize($result));
        if(empty($result['access_token'])){
            return Result(0,'微信登录失败');
        }else{
            return Result(1,'登录成功',$result);
        }
    }
 /**
  * @title: 返回微信登录请求URL
  * @desc: 描述
  * @return {*}
  * @author: Mr.Fu
  * @method: POST
  * @Date: 2023-04-06 19:43:31
  */	
	public function GetLoginUrl()
	{
       return $this->Auth_url;
	}
 /**
  * @title: 立即跳转微信登录
  * @desc: 描述
  * @return {*}
  * @author: Mr.Fu
  * @method: POST
  * @Date: 2023-04-06 19:43:44
  */	
	public function Login()
	{
		J($this->Auth_url);
	}
 /**
  * @title: 微信认证后的回调处理
  * @desc: 描述
  * @return {*}
  * @author: Mr.Fu
  * @method: POST
  * @Date: 2023-04-06 19:43:59
  */	
	public function Auth()
	{
		$code=input('code');
		if($code==""){
			$this->error('微信登录回调失败',url('index/login'));
		}
        $result = $this->getAccesstoken($code);
        if($result['status']==1){
            $this->error("微信登录失败",url('index/login'));
        }else{
            $access_token = $result['data']['access_token'];
            $openid = $result['data']['openid'];
        }
		$url='https://api.weixin.qq.com/sns/userinfo?access_token=';
		$wxuserinfo=file_get_contents($url.$access_token."&openid=".$openid);
		$wxuserinfo=json_decode($wxuserinfo,true);
      	// $userinfo=db('member')->where('wxopenid',$wxuserinfo['openid'])->find();
      	//微信用户是否存在
      	// if(is_array($userinfo) and $wxuserinfo['openid']!=""){
        //   	if($this->login_status($userinfo['id'])){
        //       	$this->Log_Write($userinfo['id'],$userinfo['username'],2,$userinfo['username'].'微信登录成功',0);
        //     	J('/');
        //     }else{
        //       	$this->Log_Write($userinfo['id'],$userinfo['username'],2,$userinfo['username'].'微信登录失败',1);
        //     	$this->error('微信登录失败！','/');
        //     }
        // }else{
        //     //不存在直接注册微信会员
        //     $wxusername="WX_".GetRandStr(18);
        //     $wxuserpwd=GetRandStr(10);
        //     $facepic_data=file_get_contents($wxuserinfo['headimgurl']);
        //     $DIR1="/uploads/facepic/".MyDate('Ymd',time())."/";
        //     $FILENAME=time().GetRandStr(10).".jpg";
        //     $path=ROOT_PATH.$DIR1;
        //     if(!file_exists($path)){
        //         mkdir($path);
        //     }
        //     file_put_contents($path.$FILENAME,$facepic_data);
        //     $ip=GetIP();
        //     $time=time();
        //     $safecode=GetRandStr(16);
		// 	$password=Encrypt($safecode,$wxuserpwd);
        //     $data=array(
        //       	'group'=>1,
        //         'username'=>$wxusername,
        //         'nickname'=>$wxuserinfo['nickname'],
        //         'password'=>$password,
        //         'safecode'=>$safecode,
        //         'wxopenid'=>$wxuserinfo['openid'],
        //         'facepic'=>$DIR1.$FILENAME,
        //         'balance'=>0,
        //         'integral'=>0,
        //         'type'=>'wx',
        //         'regtime'=>$time,
        //         'regip'=>$ip,
        //         'logintime'=>$time,
        //         'loginip'=>$ip,
        //         'status'=>0
        //     );
        //     $uid=db('member')->insertGetId($data);
        //   	if($this->LoginStatus($uid)){
        //       	$this->Log_Write($uid,$wxusername,2,$wxusername.'微信注册登录成功',0);
        //     	J('/');
        //     }else{
        //       	$this->Log_Write($uid,$wxusername,2,$wxusername.'微信注册登录失败',1);
        //     	$this->error('微信注册登录失败！','/');
        //     }
        // }
	}
  	public function LoginStatus($id)
    {
    	// $userinfo=db('member')->where('id',$id)->find();
      	// if(is_array($userinfo) and $id>=1){
        //     $ip=GetIP();
        //     $time=time();
        //  	//开始登录
        //  	 $login_data=array(
        //       'id'=>$userinfo['id'],
        //       'username'=>$userinfo['username'],
        //       'nickname'=>$userinfo['nickname'],
        //       'logintime'=>$time,
        //       'loginip'=>$ip
        //   	);
        //  	$update=array('logintime'=>$time,'loginip'=>$ip);
        //     //记录登录时间和IP地址
        //     db('member')->where('username',$userinfo['username'])->update($update);   
        //     //加密管理登录信息数据
        //     $ciphertext=AuthCode(serialize($login_data),'ENCODE',$this->Config['cookie_secretkey']);
        //     //把密文存储到会话中
        //     session('userinfo',$ciphertext);
        //     return true;
        // }else{
        //   	return false;
        // }
    }
}
?>