<c:catch> 标签主要用来处理产生错误的异常状况,并且将错误信息储存起来。
<c:catch>标签有如下属性:
属性 | 描述 | 是否必要 | 默认值 |
---|---|---|---|
var | 用来储存错误信息的变量 | 否 | None |
<%@ taglib uri="http://java.sun.com/jsp/jstl/core" prefix="c" %> <html> <head> <title>c:catch 标签实例</title> </head> <body> <c:catch var ="catchException"> <% int x = 5/0;%> </c:catch> <c:if test = "${catchException != null}"> <p>The exception is : ${catchException} <br /> There is an exception: ${catchException.message}</p> </c:if> </body> </html>
以上实例运行结果:
The exception is : java.lang.ArithmaticException: / by zero There is an exception: / by zero