struts 2動的ジャンプresult

<action name="user" class="userAction">
        	<result name="success">/jsp/web/body/user.jsp</result>
        	<result type="redirect" name="redirect">${url}</result>
		</action>

 
 
public class UserAction  {
 
private String url;/
 
        public String execute() throws ServicesException, IOException {
 
          return "redirect";
       }
 
}