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来自于:http://shaxianwei.javaeye.com/blog/650902

<span style="color: rgb(0, 128, 0);"><li>property: <s:property value="username"/> </li>
        
<li>property 取值为字符串: <s:property value="'username'"/> </li>
        
<li>property 设定默认值: <s:property value="admin" default="管理员"/> </li>
        
<li>property 设定HTML: <s:property value="'<hr/>'" escape="false"/> </li>
        
<hr />
        
<li>set 设定adminName值(默认为request 和 ActionContext): <s:set var="adminName" value="username"
/></li>
       
        
<li>set 从request取值: <s:property value="#request.adminName" /></li>
        
<li>set 从ActionContext取值: <s:property value="#adminName" /></li>
       
        
<%--<li>set 设定范围: <s:set name="adminPassword" value="password" scope="page"/></li>
        
<li>set 从相应范围取值: <%=pageContext.getAttribute("adminPassword"%></li>
        
--%>
        
<li>set 设定var,范围为ActionContext: <s:set var="adminPassword" value="password"
scope
="session"/></li>
        
<li>set 使用#取值: <s:property value="#adminPassword"/> </li>
        
<li>set 从相应范围取值: <s:property value="#session.adminPassword"/> </li>
       
        
<hr />
       
        
<%--<li>push:<s:set name="myDog" value="new com.bjsxt.struts2.ognl.Dog('oudy')"></s:set></li>
        
<li>
        push:
<s:push value="#myDog">
            
<s:property value="name"/>
        
</s:push>
        
</li>
        
<li>push: <s:property value="name"/></li>
        
--%>
       
        
<hr />
        
<li>bean 定义bean,并使用param来设定新的属性值:
            
<s:bean name="com.bjsxt.struts2.tags.Dog" >
                
<s:param name="name" value="'pp'"></s:param>
                
<s:property value="name"/>
               
            
</s:bean>
           
           
        
</li>
       
        
<li>bean 查看debug情况:
            
<s:bean name="com.bjsxt.struts2.tags.Dog" var="myDog">
                
<s:param name="name" value="'oudy'"></s:param>
            
</s:bean>
            拿出值:
            
<s:property value="#myDog.name"/>
           
        
</li>
        
<hr />
       
        
<li>include _include1.html 包含静态英文文件
            
<s:include value="/_include1.html"></s:include>
        
</li>
       
        
<li>include _include2.html 包含静态中文文件
            
<s:include value="/_include2.html"></s:include>
        
</li>
       
        
<li>include _include1.html 包含静态英文文件,说明%用法
            
<s:set var="incPage" value="%{'/_include1.html'}" />
            
<s:include value="%{#incPage}"></s:include>
        
</li>
       
       
        
<hr />
       
        
<li>if elseif else:
            age 
= <s:property value="#parameters.age[0]" /> <br />
            
<s:set var="age" value="#parameters.age[0]" />
            
<s:if test="#age < 0">wrong age!</s:if>
            
<s:elseif test="#parameters.age[0] < 20">too young!</s:elseif>
            
<s:else>yeah!</s:else><br />
            
<s:if test="#parameters.aaa == null">null</s:if>
        
</li>
       
        
<hr />
       
        
<li>遍历集合:<br />
        
<s:iterator value="{1, 2, 3}" >
            
<s:property/> |
        
</s:iterator>
        
</li>
        
<li>自定义变量:<br />
        
<s:iterator value="{'aaa', 'bbb', 'ccc'}" var="x">
            
<s:property value="#x.toUpperCase()"/> |
        
</s:iterator>
        
</li>
        
<li>使用status:<br />
        
<s:iterator value="{'aaa', 'bbb', 'ccc'}" status="status">
            
<s:property/> |
            遍历过的元素总数:
<s:property value="#status.count"/> |
            遍历过的元素索引:
<s:property value="#status.index"/> |
            当前是偶数?:
<s:property value="#status.even"/> |
            当前是奇数?:
<s:property value="#status.odd"/> |
            是第一个元素吗?:
<s:property value="#status.first"/> |
            是最后一个元素吗?:
<s:property value="#status.last"/>
            
<br />
        
</s:iterator>
       
        
</li>
       
        
<li>
        
<s:iterator value="#{1:'a', 2:'b', 3:'c'}" >
            
<s:property value="key"/> | <s:property value="value"/> <br />
        
</s:iterator>
        
</li>
       
        
<li>
        
<s:iterator value="#{1:'a', 2:'b', 3:'c'}" var="x">
            
<s:property value="#x.key"/> | <s:property value="#x.value"/> <br />
        
</s:iterator>
        
</li>
       
        
<li>
       
        
<s:fielderror fieldName="fielderror.test" theme="simple"></s:fielderror>
       
        
</li></span>
posted on 2010-05-21 22:56 豪情 阅读(243) 评论(0)  编辑  收藏 所属分类: Java基础Struts 2.0

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