官方网站- CXF Apache - CORS示例- Ambiguos

<filter>
    <filter-name>cors</filter-name>
    <filter-class>org.apache.cxf.rs.security.cors.CrossOriginResourceSharingFilter</filter-class>
    <init-param>
        <param-name>allowHeaders</param-name>
        <param-value>Content-Type, Accept, X-Requested-With</param-value>
    </init-param>
    <init-param>
        <param-name>allowedOrigins</param-name>
        <param-value>*</param-value>
    </init-param>
    <init-param>
        <param-name>allowedMethods</param-name>
        <param-value>GET, POST, PUT, DELETE, OPTIONS</param-value>
    </init-param>
</filter>

<filter-mapping>
    <filter-name>cors</filter-name>
    <url-pattern>/*</url-pattern>
</filter-mapping>

import org.apache.cxf.rs.security.cors.CrossOriginResourceSharing;
import javax.ws.rs.GET;
import javax.ws.rs.Path;

@Path("/example")
public class ExampleService {

    @GET
    @CrossOriginResourceSharing(
        allowAllOrigins = true,
        allowHeaders = {"Content-Type", "Accept"},
        methods = {"GET", "POST"}
    )
    public String exampleMethod() {
        return "Hello, CORS!";
    }
}