Tomcat add Cros cross-origin request

Remote access to rest via tools will appear

Cross-origin requests have been blocked: the same-origin policy prohibits reading remote resources located in Http://XXXXX:1200/gyly/busData. (Reason: CORS request failed). Modify method Add Filter

Import Java.io.ioexception;import Javax.servlet.filterchain;import Javax.servlet.servletexception;import Javax.servlet.http.httpservletrequest;import Javax.servlet.http.httpservletresponse;import Org.springframework.web.filter.onceperrequestfilter;public class Corsfilter extends Onceperrequestfilter {@Override    protected void dofilterinternal (HttpServletRequest request, httpservletresponse response, Filterchain Filterchain)            throws Servletexception, IOException {    Response.AddHeader ("Access-control-allow-origin", "*") ;    Response.AddHeader ("Access-control-allow-methods",            "GET, POST, PUT, DELETE, OPTIONS");    Response.AddHeader ("Access-control-allow-headers",            "origin, Content-type, accept, X-requested-with, Sid, Mycustom, Smuser ");        Filterchain.dofilter (request, response);}    }

Modify Web. xml

<filter>  <filter-name>CorsFilter</filter-name>  <filter-class> Com.interfaceservice.filter.corsfilter</filter-class></filter><filter-mapping>  < Filter-name>corsfilter</filter-name>  <url-pattern>/*</url-pattern></filter-mapping >

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Tomcat add Cros cross-origin request