Struts2的exception配置
2013-12-09 17:11
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啊啊啊啊今天顺便把exception的配置也看了看,还有interceptor的,一会再写,exception的配置也是非常的简单的,如果是你自己写exception的话,就抛出自己的exception就行了,配置的时候首先配置好映射关系,然后把你的result的名字写好,然后根据你的result的名字,下面的result配置就可以为你的exception来一个跳转界面,很方便也很简单。这里面我就有点没写好的,就是我想让exception帮我传个参数,就是wrongname,然后弄了半天,其实我也是非常喜欢EL的,但是老报错,原来是没有加c库。汗
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<constant name="struts.devMode" value="true"></constant> <!-- 发布的时候是要把这个false掉的 -->
<package name="struts2" extends="struts-default" >
<!-- <global-results>
<result name="error" type="redirect">
/chapter8/error.jsp
</result>
</global-results>
--> <!-- 这个和defult-action-ref不能一起用 -->
<default-action-ref name="forwardaction">apter8/error.jsp</default-action-ref>
<action name="forwardaction" class="chapter8.action.DefaultAction">
<result name="error" type="redirect">
apter8/error.jsp
</result>
</action>
<action name="login" class="chapter8.action.QueryAction" method="login">
<exception-mapping result="exception" exception="chapter8.exception.UserException"></exception-mapping>
<result name="exception">
/chapter8/exception.jsp
</result>
<result name="loginsuccess" >
/chapter8/loginsuccess.jsp
</result>
<result name="loginnotfound">
/chapter8/loginnotfound.jsp
</result>
</action>
<action name="register" class="chapter8.action.QueryAction" method="register">
<result name="registersuccess">
/chapter8/registersuccess.jsp
</result>
</action>
</package>
</struts>
<?xml version="1.0" encoding="UTF-8" ?>
<!DOCTYPE struts PUBLIC "-//Apache Software Foundation//DTD Struts Configuration 2.1//EN" "http://struts.apache.org/dtds/struts-2.1.dtd">
<struts>
<constant name="struts.devMode" value="true"></constant> <!-- 发布的时候是要把这个false掉的 -->
<package name="struts2" extends="struts-default" >
<!-- <global-results>
<result name="error" type="redirect">
/chapter8/error.jsp
</result>
</global-results>
--> <!-- 这个和defult-action-ref不能一起用 -->
<default-action-ref name="forwardaction">apter8/error.jsp</default-action-ref>
<action name="forwardaction" class="chapter8.action.DefaultAction">
<result name="error" type="redirect">
apter8/error.jsp
</result>
</action>
<action name="login" class="chapter8.action.QueryAction" method="login">
<exception-mapping result="exception" exception="chapter8.exception.UserException"></exception-mapping>
<result name="exception">
/chapter8/exception.jsp
</result>
<result name="loginsuccess" >
/chapter8/loginsuccess.jsp
</result>
<result name="loginnotfound">
/chapter8/loginnotfound.jsp
</result>
</action>
<action name="register" class="chapter8.action.QueryAction" method="register">
<result name="registersuccess">
/chapter8/registersuccess.jsp
</result>
</action>
</package>
</struts>
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%> <% String path = request.getContextPath(); String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/"; %> <%@ taglib prefix="s" uri="/struts-tags"%> <%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %> <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html> <head> <base href="<%=basePath%>"> <title>My JSP 'exception.jsp' starting page</title> <meta http-equiv="pragma" content="no-cache"> <meta http-equiv="cache-control" content="no-cache"> <meta http-equiv="expires" content="0"> <meta http-equiv="keywords" content="keyword1,keyword2,keyword3"> <meta http-equiv="description" content="This is my page"> <!-- <link rel="stylesheet" type="text/css" href="styles.css"> --> </head> <body> 您不能用 ${wrongname} 作为用户名! </body> </html>
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