我想比较两个值:一个来自会话和花药从iterator
<s:iterator value="themes" status="currentRecord">
<s:if test="%{usertheme}) == %{themeName}">
<td align="center" bgcolor="red">
</s:if>
<s:else>
<td align="center" bgcolor="green">
</s:else>
</s:iterator>
但我无法比拟的我的价值观,请你能告诉我在哪里,我在做错误?
%{}
应放在(如有必要)周围所有的声明,而不是在中间。
对于字符串,你应该使用.equals
, .equalsIgnoreCase
, .contains
, .indexOf
等等...不==
。
改成这样:
<s:iterator value="themes" status="currentRecord">
<s:if test="%{#session.usertheme.equalsIgnoreCase(themeName)}">
<td align="center" bgcolor="red">
</s:if>
<s:else>
<td align="center" bgcolor="yellow">
</s:else>
....
这个工程太:
<s:if test="#session.usertheme.equalsIgnoreCase(themeName)">
(不是一个答案,但两个建议,我需要格式化;安德烈的答案是正确的)
对于自己的理智和那些追随,把JSP的该块成一行:
<s:iterator value="themes">
<tr>
<s:set var="currTheme" value="%{userTheme == themeName ? 'red' : 'green'}"/>
<td bgcolor="${currTheme}">Cell content</td>
</tr>
</s:iterator>
考虑使用主题命名为CSS,而不是内联CSS和完全避免它,大致有:
td.theme1 {
background-color: red;
}
td.theme2 {
background-color: green;
}
td.theme3 {
background-color: #daa520;
}
(假设名为“THEME1”, “THEME2”, “THEME3”的主题,但是这是不相关的。)
<table class="themed-table">
<s:iterator value="themes">
<tr>
<td class="${themeName}">Cell content</td>
</tr>
</s:iterator>
</table>
这将会是更好的移动式的信息“上”的水平,例如, table.theme1 td
,但你的想法。 这样做允许在主题信息来自等具有很大的灵活性。
<!--name attribute inside select tag must be a variable in action class with getter/setter -->
<!-- test variable sets the value of selected item in action class -->
<select name="test">
<!-- name attribute could be anything you want but value attribute must be a model class variable-->
<s:set name="lead_string_LS_ID" value="MasterDataModel.string_LS_ID" />
<!-- value attribute must be a list to iterate, status (an instanceof IteratorStatus will be pushed into stack upon each iteration)or result -->
<!-- var Name used to reference the value pushed into the Value Stack (my list contain leadSource_String_Id)-->
<s:iterator value="leadSource_list" status="result" var="leadSource_String_Id">
<!--#lead_string_LS_ID is value taken from <set> tag above. Note # must be in-front of the name
leadSource_String_Id is element specified in var of <iterator> tag
-->
<s:if test='(#lead_string_LS_ID.equals(leadSource_String_Id))'>
<option value="<s:property value='leadSource_String_Id'/>" selected="selected">
<s:property value="leadSource_String_Name" />
</option>
</s:if>
<s:else>
<option
value="<s:property value='leadSource_String_Id'/>">
<s:property value="leadSource_String_Name" />
</option>
</s:else>
</s:iterator>
</select>