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效果图：
代码实现：
以jsp为例导入标签<%@ taglib prefix ="s" uri = "/struts-tags"%>
<s:select list = "#{'2011:'2011','2012:'2012'}" value = "%{#request.XX}"
name = "XX"></s:select>
<s:select list = "#{'01:'01','02:'02'}" value = "%{#request.XX}"
name = "XX"></s:select>