获取微信token，下载即用

<?php /** * Created by PhpStorm. * User: xpz * Date: 2021/12/15 * Time: 11:23 * qq 1522508767 */ namespace app\common\library; use think\Cache; class WechatToken { private $appId; private $appSecret; private $cachewechatToken; private $getTokenByInterface = true; //是否时时从微信获取token /** * * 使用方法： * $wxtoken = new WechatToken('公众号appId', '公众号Secret'); * $token = $wxtoken->accessToken(); * 如有疑问，添加qq：1522508767 * * * */ /** * WechatToken constructor. * @param $appId 公众号id * @param $appSecret 公众号Secret */ public function __construct($appId,$appSecret){ $this->appId = $appId; $this->appSecret = $appSecret; $this->cachewechatToken = 'cache_wechat_token'; } /** * 从缓存获取token，如果过期则从微信接口获取 * @return mixed */ public function accessToken() { if($this->getTokenByInterface){ return $this->setAccessToken(); } else { $accessTokenArr = $this->getAccessToken(); if(empty($accessTokenArr)){ return $this->setAccessToken(); } else { if($accessTokenArr['expire_time'] > time()){ return $accessTokenArr['access_token']; } else { return $this->setAccessToken(); } } } } /** * 从微信获取token并设置缓存 * @return mixed */ private function setAccessToken(){ // 如果是企业号用以下URL获取access_token //$url = "https://qyapi.weixin.qq.com/cgi-bin/gettoken?corpid=$this->appId&corpsecret=$this->appSecret"; $url = "https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=$this->appId&secret=$this->appSecret"; $res = json_decode($this->httpGet($url)); if(isset($res->access_token) && !empty($res->access_token)){ $arr['access_token'] = $res->access_token; $arr['expire_time'] = 7000+time(); Cache::set($this->cachewechatToken,$arr,0); // Tool::mylog(Config::get('xpz.my_log_show'),'接口获取Token：' , $arr['access_token'] ."===".date("Y-m-d H:i:s",$arr['expire_time']), 'wxtoken'); return $arr['access_token']; } else { // Tool::mylog(Config::get('xpz.my_log_show'),'接口获取Token：' , '失败！' , 'wxtoken'); } } /** * 从缓存获取token * @return mixed */ private function getAccessToken(){ return Cache::get($this->cachewechatToken); } /** * 请求微信接口 * @param $url * @return mixed */ private function httpGet($url) { $curl = curl_init(); curl_setopt($curl, CURLOPT_RETURNTRANSFER, true); curl_setopt($curl, CURLOPT_TIMEOUT, 500); // 为保证第三方服务器与微信服务器之间数据传输的安全性，所有微信接口采用https方式调用，必须使用下面2行代码打开ssl安全校验。 // 如果在部署过程中代码在此处验证失败，请到 http://curl.haxx.se/ca/cacert.pem 下载新的证书判别文件。 curl_setopt($curl, CURLOPT_SSL_VERIFYPEER, true); // curl_setopt($curl, CURLOPT_SSL_VERIFYHOST, true); curl_setopt($curl, CURLOPT_URL, $url); $res = curl_exec($curl); curl_close($curl); return $res; } }