//獲取微信登錄用戶信息function getOpenID($appid,$appsecret,$code){$url="https://api.weixin.qq.com/sns/oauth2/access_token?appid=".$appid."&secret=". $appsecret."&code=".$code."&grant_type=authorization_code";$weixin=file_get_contents($url);//通過code換取網頁授權access_token$jsondecode=json_decode($weixin); //對JSON格式的字符串進行編碼$array = get_object_vars($jsondecode);//轉換成數組$openid = $array['openid'];//輸出openidreturn $openid;}