<input type="text" id="birthday" name="user.birthday"
value="<fmt:formatDate value=‘${user.birthday}‘ pattern=‘yyyy-MM-dd‘/>"
class="Wdate"
onfocus="WdatePicker({
lang:‘zh-cn‘,
skin:‘whyGreen‘,
dateFmt:‘yyyy-MM-dd‘,
readOnly:true
})"
/>
原文:http://www.cnblogs.com/zeng1994/p/7397605.html