jstl截取字符串的3种有效方法

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

[color=red][size=medium]2012-03-14 10:01:04[/size][/color]

										type="text"
										name="proclog.lastTime"
										class="input"
										readonly="readonly"
										onClick="WdatePicker();"
										value="${fn:substring(proclog.lastTime,0,10)}"
									/>

[color=red][size=medium]2012-03-14[/size][/color]

										type="text"
										name="proclog.time"
										class="input"
										readonly="readonly"
										onClick="WdatePicker();"
										value="${fn:substringBefore(proclog.time,' ')}"
									/>

[color=red][size=medium]2012-03-14[/size][/color]

										type="text"
										name="proclog.time"
										class="input"
										readonly="readonly"
										onClick="WdatePicker();"
										value="${fn:trim(fn:substringAfter(proclog.time,' '))}"
									/>

[color=red][size=medium]10:01:04[/size][/color]