struts2

http://struts.apache.org/release/2.1.x/docs/property.html

 

 

http://sishuok.com/forum/blogPost/list/4078.html

<%@ taglib prefix="s" uri="/struts-tags" %>
<s:set var="i" value="1"/>
输出i值：<s:property value="#i"/>
<br>
<s:set var="i" value="#i+1"/>
输出i++后的值：<s:property value="#i"/>