JDF_ElectronicPublicity_admin/extend/weixin/Wxmin.php

<?php
namespace weixin;
/**
 * @title        : 微信小程序基础类
 * @desc         : 
 * @Author       : Mr.Fu
 * @Date         : 2023-04-06 19:06:59
 */
class Wxmin
{
  	public $AccessToken="";
	public function __construct(){
      	$this->APPID=sysconfig('wchat.wxmini_user_appid');
		$this->APPSECRET=sysconfig('wchat.wxmini_user_secret');
      	$this->getAccesstoken();
	}
 /**
  * @title: 获取ACCESSTOKEN
  * @desc: 描述
  * @return {*}
  * @author: Rock
  * @method: POST
  * @Date: 2023-04-06 19:57:45
  */	
	public function getAccesstoken()
	{
		$this->AccessToken=Cache('wx_minapp_access_token');
		if(empty($this->AccessToken)){
			$url="https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=".$this->APPID."&secret=".$this->APPSECRET;
			$result=file_get_contents($url);
			$result=json_decode($result,true);
			Cache('wx_minapp_access_token',$result['access_token'],$result['expires_in']);
			$this->AccessToken = $result['access_token'];
		}
		return $this->AccessToken;
	}
 /**
  * @title: 获取OPENID
  * @desc: 描述
  * @param {string} {code} {} {用户授权码}
  * @return {*}
  * @author: Rock
  * @method: POST
  * @Date: 2023-04-06 19:59:21
  */	
	public function getopenid(string  $code='')
	{
		$API_URL='https://api.weixin.qq.com/sns/jscode2session';
		$url=$API_URL.'?appid='.$this->APPID.'&secret='.$this->APPSECRET.'&js_code='.$code.'&grant_type=authorization_code';
      	$d=file_get_contents($url);
		$result=json_decode($d,true);
		if(!isset($result['openid'])){
            return Result(0,'获取OPENID失败');
        }else{
			return Result(1,'获取OPENID成功',$result);
		}
	}
   /**
    * @title: 生成小程序二维码
    * @desc: 描述
    * @param {string} {scene} {} {二维码额外参数}
    * @return {*}
    * @author: Rock
    * @method: POST
    * @Date: 2023-04-06 20:00:23
    */  	
  	public function CreateCode(string $scene='')
	{
      	$url='https://api.weixin.qq.com/wxa/getwxacodeunlimit?access_token='.$this->AccessToken;
      	$data['scene']=$scene;
        $d=json_encode($data);
		$result=Post_Json($d,$url);
        $DIR1="/uploads/qrcode/".date('Ymd')."/";
        $FILENAME="QR_".$scene.".png";
        $path=root_path().$DIR1;
        if(!file_exists($path)){
          	mkdir($path,0777,true);
        }
        $savefile=$path.$FILENAME;
        $return_path=$DIR1.$FILENAME;
      	file_put_contents($savefile,$result);
      	return $return_path;
    }
 /**
  * @title:解密微信手机信息
  * @desc: 描述
  * @param {string} {sessionKey} {} {用户的sessionKey}
  * @param {array} {ciphertext} {} {待解密文本信息}
  * @return {*}
  * @author: Rock
  * @method: POST
  * @Date: 2023-04-06 20:02:28
  */	
	public function DecodeWxMobile($sessionKey,$ciphertext){
		if(!isset($ciphertext['encryptedData'])){
			return false;
		}
		$encryptedData=$ciphertext['encryptedData'];
		$iv=$ciphertext['iv'];
		$aesKey=base64_decode($sessionKey);
		$aesIV=base64_decode($iv);
		$aesCipher=base64_decode($encryptedData);
		$result=openssl_decrypt( $aesCipher, "AES-128-CBC", $aesKey, 1, $aesIV);
		return $result?json_decode($result,true):false;
	}
}