Spring GateWay實現跨域
阿新 • • 發佈:2019-02-18
/** * 解決 Only one connection receive subscriber allowed with Content-Type application/x-www-form-urlencoded * @return */ @Bean public HiddenHttpMethodFilter hiddenHttpMethodFilter() { return new HiddenHttpMethodFilter() { @Override public Mono<Void> filter(ServerWebExchange exchange, WebFilterChain chain) { return chain.filter(exchange); } }; } @Bean public WebFilter corsFilter() { return (ServerWebExchange ctx, WebFilterChain chain) -> { ServerHttpRequest request = ctx.getRequest(); if (!CorsUtils.isCorsRequest(request)) { return chain.filter(ctx); } HttpHeaders requestHeaders = request.getHeaders(); ServerHttpResponse response = ctx.getResponse(); HttpMethod requestMethod = requestHeaders.getAccessControlRequestMethod(); HttpHeaders headers = response.getHeaders(); headers.add(HttpHeaders.ACCESS_CONTROL_ALLOW_ORIGIN, requestHeaders.getOrigin()); headers.addAll(HttpHeaders.ACCESS_CONTROL_ALLOW_HEADERS, requestHeaders.getAccessControlRequestHeaders()); if (requestMethod != null) { headers.add(HttpHeaders.ACCESS_CONTROL_ALLOW_METHODS, requestMethod.name()); } headers.add(HttpHeaders.ACCESS_CONTROL_ALLOW_CREDENTIALS, "true"); headers.add(HttpHeaders.ACCESS_CONTROL_EXPOSE_HEADERS, ALL); headers.add(HttpHeaders.ACCESS_CONTROL_MAX_AGE, MAX_AGE); if (request.getMethod() == HttpMethod.OPTIONS) { response.setStatusCode(HttpStatus.OK); return Mono.empty(); } return chain.filter(ctx); }; }