默认Action，所有未找到路径显示error.jsp页面。

<default-action-ref name="index"></default-action-ref>

<action name="index">

   <result>/error.jsp</result>

</action>

 

package com.action;import javax.servlet.ServletContext;import javax.servlet.http.HttpServletRequest;import javax.servlet.http.HttpServletResponse;import org.apache.struts2.interceptor.ServletRequestAware;import org.apache.struts2.interceptor.ServletResponseAware;import org.apache.struts2.util.ServletContextAware;import com.opensymphony.xwork2.ActionSupport;public class HelloWord extends ActionSupport implements ServletRequestAware, ServletResponseAware,ServletContextAware{    public String add(){        return "add";    }        public String update(){        return "update";    }        @Override    public String execute() throws Exception{        System.out.println("执行action");        return SUCCESS;    }    @Override    public void setServletResponse(HttpServletResponse response) {        // TODO Auto-generated method stub            }    @Override    public void setServletRequest(HttpServletRequest request) {        // TODO Auto-generated method stub            }    @Override    public void setServletContext(ServletContext context) {        // TODO Auto-generated method stub            }}

struts.xml

     
         
              
               
                   
        
         /error.jsp
                
                     
                   
        
         /result.jsp
                    
        
         /{1}.jsp
                    
        
         /{1}.jsp