Struts2标签（一）

Action:

package com.struts2.tag.exer.web.actions;

import com.opensymphony.xwork2.ActionSupport;

public class TagAction extends ActionSupport {

	/**
	 * 
	 */
	private static final long serialVersionUID = 1096330019952553956L;


	public String append(){

		return SUCCESS;
	}

	public String generator(){

		return SUCCESS;
	}

	public String merge(){

		return SUCCESS;
	}


}

struts.xml:

    "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
    "http://struts.apache.org/dtds/struts-2.0.dtd">



	

    

    	
			/pages/{1}.jsp
        

    

index.jsp:

<%@ page language="java" contentType="text/html;charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>

  
  	
  
  
  		

  			

  					
  						



  		
  

append.jsp:

<%@ page language="java" contentType="text/html;charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>



	
	

		
		
				
				
		

		
		
			
			
			
			
		

		








				style="background-color:#bbbbbb">







			
				
Book Name
				
Author
			
					
					
					
				
					

		






					style="background-color:#cccccc">





			
				
Book Name
				
Author
			
			
						
						
					
					
	

generator.jsp:

<%@ page language="java" contentType="text/html;charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>
<%@ page import="java.util.*,com.opensymphony.xwork2.util.*" %>


	
	

		







			
				style="background-color:#bbbbbb">





			
				
Book Name
				
Author
			
				
					
				
							


		<%--	count属性限定了元素的数量 	id属性将生成的集合放入了valueStack中--%>
		

		






			<%--

				ValueStack vs = (ValueStack)request.getAttribute("struts.valueStack");

			 	java.util.Iterator iterator= (java.util.Iterator)vs.findValue("books");
				if(iterator!=null){
					while(iterator.hasNext()){
						String book = (String)iterator.next(); 

				--%>

								<%--=book--%>

				<%--
					}
				}
			 	--%>

			 	
			 		




			
				
Book Name
				
Author
			
			 			
			 		
			 					

	

merge.jsp

<%@ page language="java" contentType="text/html;charset=UTF-8"%>
<%@ taglib prefix="s" uri="/struts-tags" %>


	
	

		
		
				
				
		

		
		
				
				
		

		











				style="background-color:#bbbbbb">







			
				
Merge
			
			
				
Book Name
				
Author
			
					
					
					
				
					

		












				style="background-color:#bbbbbb">







			
				
Append
			
			
				
Book Name
				
Author