在控制器的第一行放如下代码即可解决

header('Access-Control-Allow-Origin: http://ding.taozugong.com');
header('Access-Control-Allow-Methods: POST, GET, DELETE, PUT, PATCH, OPTIONS');
header('Access-Control-Allow-Headers: token, Content-Type');
header('Access-Control-Allow-Credentials: true');
05-26 12:01