9
->header('Access-Control-Allow-Origin', '*') ->header('Access-Control-Allow-Headers', 'Authorization, x-city, x_requested_with, X-Requested-With, Content-Type, If-Match, If-Modified-Since, If-None-Match, If-Unmodified-Since') ->allowCrossDomain(); 然而并不请作用,OPTIONS还是500,请求更新