只要在jsp页面中假如如下代码就行
<%if(new Date().getHours()>=0 && new Date().getHours()<=12){//看看当前时间是在0点到中午12点之间%>上午好<%}else{%>下午好<%}%>应用例子:
<div class="fitem"><label>时间类型:</label><input id="timeType" name="timeType" class="easyui-combobox" required="true" data-options="valueField: "value",textField: "label",value:1,<%if(new Date().getHours()>=0 && new Date().getHours()<=12){//看看当前时间是在0点到中午12点之间%>data: [{"label": "上午","value": 1,"selected":true},{"label": "下午","value": 2}]"<%}else{%>data: [{"label": "下午","value": 2,"selected":true}]"<%}%>/></div>