Unity/WebGL/API

'Access-Control-Allow-Origin'エラーが出る場合

エラー詳細

has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource. If an opaque response serves your needs, set the request's mode to 'no-cors' to fetch the resource with CORS disabled.

phpであれば

header("Access-Control-Allow-Origin: *");
header("Access-Control-Allow-Methods: GET, POST, OPTIONS, PUT, DELETE");
header("Access-Control-Allow-Headers: Content-Disposition, Content-Type, Content-Length, Accept-Encoding");
header("Content-type:application/json");