<c:catch>, one of the most commonly used tags in jstl

a definition

This tag is used to catch exceptions thrown by tags nested within it.

 

Two actual combat

<%@ page language = "java" import = "java.util.*,com.cakin.domain.*" pageEncoding = "utf-8" %>

<!-- Introduce jstl tag library -->

<%@ taglib prefix = "c" uri="http://java.sun.com/jsp/jstl/core";%>  

<! DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" " http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd" ; >

< html >

  < head >    

    < title > My JSP 'c_out.jsp' starting page </ title >

  </ head >

  < body >

    < h3 > Use of c:catch </ h3 >

         < c:catch var = "myexception" >

                 <%

                         int i = 8/0;

                 %>

         </ c:catch >

         < c:out value = " ${myexception} " ></ c:out >

  </ body >

</ html >

 

Three test results