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struts标签

发布时间:『 2019-02-25 22:29』  博客类别:SSH  阅读(658)

通用标签

数据标签

          property

          set

            scope="action",action=request+actionContext

          push

            修改页面

          param

            <param name="color">blue</param>

            <param name="color" value="blue"/>

            1:它是子标签

            2url/action

          date

            java.text.SimpleDateFormat/DecimalFormat

          debug

          url/param/a

          Action

 

<h1>property标签</h1>

<s:property default="xxx" value="result" />

 

<h1>set标签</h1>

<s:set var="result" value="uname" scope="action" />

action:

<s:property value="result" />

<br> request:${result }

 

<h1>url/param标签</h1>

<s:set var="blue" value="result" />

<s:url var="url1" namespace="/sy" action="tagAction_formSubmit">

<s:param name="color1" value="blue"></s:param>

<s:param name="color2">blue</s:param>

</s:url>

<s:property value="#url1" />

 

<h1>date标签</h1>

<%

request.setAttribute("d", new Date());

%>

<s:date name="#request.d" format="yyyyMMdd" />

 

<s:debug />

<h1>push标签</h1>

<div>

<s:property />

<s:push value="result">

<s:property />

</s:push>

</div>

 

 

控制标签

          iterator/if/elseif/else

          

<%

request.setAttribute("score", new Integer(70));

request.setAttribute("names", new String[] { "zs", "ls", "ww" });

%>

<h1>控制标签</h1>

<s:if test="#request.score >= 90">

A

</s:if>

<s:elseif test="#request.score >= 80">

B

</s:elseif>

<s:elseif test="#request.score >= 70">

C

</s:elseif>

<s:elseif test="#request.score >= 60">

D

</s:elseif>

<s:else>

E

</s:else>

 

<ul>

<s:iterator var="v" value="#request.names">

<li><s:property value="#v" /></li>

</s:iterator>

</ul>

 

 

UI标签

表单标签

          主题:xhtml/simple(自带样式,无法table排列样式)

 

非表单标签

标签的属性类型说明

String 字符串

   Boolean true|false

   Object

   Object/String 传过去字符串,但会被认为是一个OGNL表达式进行计算

 

   %{str}str会被强制转换成OGNL表达式计算

   <s:a href="%{#url1}">bbb</s:a>

标签的公共属性

var 将值保存到上下文(ActionContext)中的一个key

scope 4+action

            action=request+actionContext


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