class?Oauth?{
????//獲得全局access_token
????public?function?get_token（）{?//如果已經存在直接返回access_token
????????//if（$_SESSION[‘access_token‘]?&&?$_SESSION[‘expire_time‘]>time（））{
????????????//return?$_SESSION[‘access_token‘];
????????//}else{
????????//1.請求url地址
????????$appid?=“wx98792851245ba746“;//appid
????????$appsecret?=?“d85ade48f4bd0665924261723d42abed“;//appsecret
????????$url?=?“https://api.weixin.qq.com/cgi-bin/token?grant_type=client_credential&appid=“.$appid.“&secret=“.$appsecret;//請求地址
????????//2初始化curl請求
????????$ch?=?curl_init（）;
????????//3.配置請求參數
????????curl_setopt（$ch?CURLOPT_SSL_VERIFYPEER?false）;?//?跳過證書檢查
????????curl_setopt（$ch?CURLOPT_SSL_VERIFYHOST?false）;??//?從證書中檢查SSL加密算法是否存在
????????curl_setopt（$ch?CURLOPT_URL?$url）;//請求
????????curl_seto