Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at https://om1l126.omnitel.it/TTO/tto.php. (Reason: CORS header ‘Access-Control-Allow-Origin’ missing). code example

Example 1: Cross-Origin Request Blocked: The Same Origin Policy disallows reading the remote resource at http://vtl-lab.com/VN/crecc-cms/api/member/register.json. (Reason: CORS request did not succeed).

Add below code when request API

header("Access-Control-Allow-Origin: *");

Example 2: from origin 'http://localhost:4200' has been blocked by CORS policy: No 'Access-Control-Allow-Origin' header is present on the requested resource.

@CrossOrigin(origins = "http://localhost:4200")
@GetMapping("/yourPath")