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
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