spring cloud zuul修改请求url的方法

demo: ribbon: NIWSServerListClassName: com.netflix.loadbalancer.ConfigurationBasedServerList listOfServers: 192.168.99.100,192.168.99.101zuul: routes: demo:  path: /demo/**  stripPrefix: true  serviceId: demo

@Componentpublic class UrlPathFilter extends ZuulFilter{ @Override public String filterType() {  return FilterConstants.PRE_TYPE; } @Override public int filterOrder() {  return FilterConstants.PRE_DECORATION_FILTER_ORDER + 1; } @Override public boolean shouldFilter() {  final String serviceId = (String) RequestContext.getCurrentContext().get("proxy");  return "demo".equals(serviceId); } @Override public Object run() {  RequestContext context = RequestContext.getCurrentContext();  Object originalRequestPath = context.get(FilterConstants.REQUEST_URI_KEY);  //http://localhost:10000/demo/list/data  //-->/api/prefix/list/data  String modifiedRequestPath = "/api/prefix" + originalRequestPath;  context.put(FilterConstants.REQUEST_URI_KEY, modifiedRequestPath);  return null; }}