public class PreFilter extends ZuulFilter {public PreFilter() {super();}@Overridepublic String filterType() {return FilterConstants.PRE_TYPE;}@Overridepublic int filterOrder() {return 0;}@Overridepublic boolean shouldFilter() {
//        return true;//跨域设置RequestContext ctx = RequestContext.getCurrentContext();HttpServletRequest request = ctx.getRequest();//只过滤OPTIONS 请求if(request.getMethod().equals(RequestMethod.OPTIONS.name())){return true;}return false;}@Overridepublic Object run() {RequestContext ctx = RequestContext.getCurrentContext();HttpServletRequest request = ctx.getRequest();HttpServletResponse response = ctx.getResponse();response.setHeader("Access-Control-Allow-Origin",request.getHeader("Origin"));response.setHeader("Access-Control-Allow-Credentials","true");response.setHeader("Access-Control-Allow-Headers","authorization, content-type");response.setHeader("Access-Control-Allow-Methods","POST,GET");String requestUrl = request.getRequestURL().toString();String requestUri = request.getRequestURI();String zuul = requestUrl.substring(0,requestUrl.indexOf(requestUri)); // zuul根路径ctx.addZuulRequestHeader("zuul", zuul);//不再路由ctx.setSendZuulResponse(false);ctx.setResponseStatusCode(200);return null;}}

@Component
public class PostFilter extends ZuulFilter {protected static final String SEND_ERROR_FILTER_RAN = "sendErrorFilter.ran";@Overridepublic String filterType() {return FilterConstants.POST_TYPE;}@Overridepublic int filterOrder() {return -1;}@Overridepublic boolean shouldFilter() {return true;}@Overridepublic Object run() {return null;}
}