Angular2 / Spring Boot允许在PUT上进行交叉原点

CORSFilter.java

@Component@Order(Ordered.HIGHEST_PRECEDENCE)public class CORSFilter implements Filter {        public CORSFilter() {    }        @Override    public void doFilter(ServletRequest req, ServletResponse res, FilterChain chain) throws IOException, ServletException {        HttpServletResponse response = (HttpServletResponse) res;        HttpServletRequest request = (HttpServletRequest) req;        response.setHeader("Access-Control-Allow-Origin", "*");        response.setHeader("Access-Control-Allow-Methods", "POST, PUT, GET, OPTIONS, DELETE");        response.setHeader("Access-Control-Max-Age", "3600");        response.setHeader("Access-Control-Allow-Headers", "access_token, authorization, content-type");        if ("OPTIONS".equalsIgnoreCase(request.getMethod())) { response.setStatus(HttpServletResponse.SC_OK);        } else { chain.doFilter(req, res);        }    }        @Override    public void destroy() {    }