<div class="timeSelect
reportDate">
<span>查询时间：</span>
<input
type="text" class="datetime" id="timeStart" onclick="WdatePicker({isShowClear:false,dateFmt
:‘yyyy-MM-dd‘,maxDate:‘#F{$dp.$D(\‘timeEnd\‘)||\‘%y-%M-%d\‘}‘,onpicked:filter})"
name="timeStart" readonly="readonly"
value="${timeStart}"/>
<span>至</span>
<input type="text" class="datetime" id="timeEnd" onclick="WdatePicker({isShowClear:false,dateFmt
:‘yyyy-MM-dd‘,minDate:‘#F{$dp.$D(\‘timeStart\‘)}‘,maxDate:‘%y-%M-%d‘,onpicked:filter})"
name="timeEnd" readonly="readonly"
value="${timeEnd}"/>
</div>
原文：http://www.cnblogs.com/zengweiming/p/3660594.html