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No result defined for action action.LoginAction and result success 问题解决

發布時間：2024/4/17 编程问答 41 豆豆

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轉自：https://blog.csdn.net/dongzhout/article/details/43699699

搭建好SSH2框架，寫一個簡單的登陸功能，提交表單的時候遇到這個問題：

配置文件如下：

web.xml:

[html] view plaincopy print?

<?xml?version="1.0"?encoding="UTF-8"?>??

<web-app?version="3.0"???

????xmlns="http://java.sun.com/xml/ns/javaee"???

????xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"???

????xsi:schemaLocation="http://java.sun.com/xml/ns/javaee???

????http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">??

??<display-name></display-name>???

??<context-param>??

<param-name>contextConfigLocation</param-name>??

<param-value>classpath:applicationContext.xml</param-value>??

</context-param>??

<listener>??

<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>??

</listener>??

??<welcome-file-list>??

????<welcome-file>index.jsp</welcome-file>??

??</welcome-file-list>??

??<filter>??

????<filter-name>struts2</filter-name>??

????<filter-class>??

????????org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter??

????</filter-class>??

????<init-param>??

<param-name>config</param-name>??

<param-value>struts-default.xml,struts-plugin.xml,struts.xml</param-value>??

</init-param>??

??</filter>??

??<filter-mapping>??

????<filter-name>struts2</filter-name>??

????<url-pattern>*.action</url-pattern>??

??</filter-mapping>??

????<filter-mapping>??

????<filter-name>struts2</filter-name>??

????<url-pattern>*.jsp</url-pattern>??

??</filter-mapping></web-app>??

spring配置文件：applicationContext.xml:
[html] view plaincopy print?

<?xml?version="1.0"?encoding="UTF-8"?>??

<web-app?version="3.0"???

????xmlns="http://java.sun.com/xml/ns/javaee"???

????xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"???

????xsi:schemaLocation="http://java.sun.com/xml/ns/javaee???

????http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd">??

??<display-name></display-name>???

??<context-param>??

<param-name>contextConfigLocation</param-name>??

<param-value>classpath:applicationContext.xml</param-value>??

</context-param>??

<listener>??

<listener-class>org.springframework.web.context.ContextLoaderListener</listener-class>??

</listener>??

??<welcome-file-list>??

????<welcome-file>index.jsp</welcome-file>??

??</welcome-file-list>??

??<filter>??

????<filter-name>struts2</filter-name>??

????<filter-class>??

????????org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter??

????</filter-class>??

????<init-param>??

<param-name>config</param-name>??

<param-value>struts-default.xml,struts-plugin.xml,struts.xml</param-value>??

</init-param>??

??</filter>??

??<filter-mapping>??

????<filter-name>struts2</filter-name>??

????<url-pattern>*.action</url-pattern>??

??</filter-mapping>??

????<filter-mapping>??

????<filter-name>struts2</filter-name>??

????<url-pattern>*.jsp</url-pattern>??

??</filter-mapping></web-app>??

struts2.1配置文件struts.xml: [html] view plaincopy print?

<?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.objectFactory"?value="spring"?/>??

????<package?name="default"?extends="struts-default"?>??

????????<action?name="userLogin"?class="LoginAction">??

????????????<result?name="success">/success.jsp</result>??

????????????<result?name="input">/login.jsp</result>??

????????</action>??

????</package>??

</struts>??????

LoginAction.java:
[java] view plaincopy print?

public?String?execute()?{??

????//?TODO?Auto-generated?method?stub??

??????

????return?SUCCESS;??

}??

登陸頁面 login.jsp: [html] view plaincopy print?

<%@?page?language="java"?import="java.util.*"?pageEncoding="utf-8"%>??

<%@taglib?prefix="s"?uri="/struts-tags"%>??

<%??

????String?path?=?request.getContextPath();??

????String?basePath?=?request.getScheme()?+?"://"??

????????????+?request.getServerName()?+?":"?+?request.getServerPort()??

????????????+?path?+?"/";??

%>??

<!DOCTYPE?HTML?PUBLIC?"-//W3C//DTD?HTML?4.01?Transitional//EN">??

<html>??

<head>??

<base?href="<%=basePath%>">??

<title>My?JSP?'login.jsp'?starting?page</title>??

<!--?

????<link?rel="stylesheet"?type="text/css"?href="styles.css">?

????-->??

</head>??

<body>??

????This?is?my?JSP?page.??

????<br>??

????<s:form?action="userLogin.action">??

????????<s:textfield?name="username"?label="用戶名"?/>??

????????<s:password?name="password"?label="密碼"></s:password>??

????????<s:submit?type="button"?value="登陸"?/>??

????</s:form>??

</body>??

</html>??

成功跳轉頁面 success.jsp: [html] view plaincopy print?

<%@?page?language="java"?import="java.util.*"?pageEncoding="utf-8"%>??

<%@taglib?prefix="s"?uri="/struts-tags"%>??

<%??

????String?path?=?request.getContextPath();??

????String?basePath?=?request.getScheme()?+?"://"??

????????????+?request.getServerName()?+?":"?+?request.getServerPort()??

????????????+?path?+?"/";??

%>??

<!DOCTYPE?HTML?PUBLIC?"-//W3C//DTD?HTML?4.01?Transitional//EN">??

<html>??

<head>??

<base?href="<%=basePath%>">??

<title>My?JSP?'success.jsp'?starting?page</title>??

<!--?

????<link?rel="stylesheet"?type="text/css"?href="styles.css">?

????-->??

</head>??

<body>??

????This?is?my?JSP?page.??

????<br>?Welcome!??

????<h5>??

????????<s:property?value="username"?/>??

????</h5>??

????<br>??

????<h6>??

????????<s:property?value="password"?/>??

????</h6>??

</body>??

</html>??

這個是修改之后的正確代碼，原來錯誤代碼的struts.xml中的action的name是login，login.jsp中的action="login.action"，將這兩個action改成“userLogin”之后就沒有問題了，改成Login也是可以的。不知道是什么問題，希望了解的大神們指點一下。

轉載于:https://www.cnblogs.com/sharpest/p/5809853.html

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