如何在JSP中处理异常?
<C:捕获>标签捕捉任何的Throwable发生在其主体和任选的暴露它。它用于错误处理并更优雅地处理问题。
属性
<C:捕获>标签具有以下属性-
示例
<%@ taglib uri = "http://java.sun.com/jsp/jstl/core" prefix = "c" %> <html> <head> <title><c:catch> Tag Example</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>
上面的代码将产生以下结果-
The exception is : java.lang.ArithmaticException: / by zero There is an exception: / by zero