springboot 解決跨域問題

public class CorsFilter extends OncePerRequestFilter {
    /**
     * Same contract as for {@code doFilter}, but guaranteed to be
     * just invoked once per request within a single request thread.
     * See {@link #shouldNotFilterAsyncDispatch()} for details.
     * <p>Provides HttpServletRequest and HttpServletResponse arguments instead of the
     * default ServletRequest and ServletResponse ones.
     *
     * @param request
     * @param response
     * @param filterChain
     */
    @Override
    protected void doFilterInternal(HttpServletRequest request, HttpServletResponse response, FilterChain filterChain) throws ServletException, IOException {

        String host = request.getScheme() + "://" + request.getServerName() + ":" + request.getServerPort();
        response.addHeader("host", host);
        response.addHeader("Access-Control-Expose-Headers","Roleplay-Error-Code");
        response.addHeader("Access-Control-Allow-Origin", "允許訪問的IP或域名");
        response.addHeader("Access-Control-Allow-Methods", "GET, POST, PUT, DELETE, OPTIONS, PATCH");
        response.addHeader("Access-Control-Allow-Credentials", "true");
        response.addHeader("Access-Control-Allow-Headers",
                "Origin, Content-Type, Accept, Authorization, x-requested-with, cache-control, Access-Control-Allow-Origin, Access-Control-Allow-Credentials");

        if (request.getMethod().equals("OPTIONS")) {
            response.setStatus(HttpServletResponse.SC_OK);
        } else {
            filterChain.doFilter(request, response);
        }
    }
}