EL表达式截取字符串，el表达式截取

EL表达式截取字符串，el表达式截取

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

截取字符串！使用！

<c:if test="${fn:length(onebeans.info)>100 }">${ fn:substring( onebeans.info ,0,100)} ...</c:if>
 <c:if test="${fn:length(onebeans.info)<=100 }">${  onebeans.info }</c:if>