jstl标签分割字符串，当传递数组的时候

<%@ taglib
	uri="http://java.sun.com/jsp/jstl/functions"
	prefix="fn"
%>

<input
						type="text"
						name="feeds.datetime"
						class="input"
						readonly="readonly"
						onClick="WdatePicker();"
						value="${fn:split(feeds.datetime,',')[0]}"
					/>
					<span class="search_title">结束时间：</span>
					<input
						type="text"
						name="feeds.datetime"
						class="input"
						readonly="readonly"
						onClick="WdatePicker();"
						value="${fn:split(feeds.datetime,',')[1]}"
					/>