转自:https://blog.csdn.net/dongzhout/article/details/43699699
搭建好SSH2框架,写一个简单的登陆功能,提交表单的时候遇到这个问题:
配置文件如下:
web.xml:
- <?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:
- <?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:
- <?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:
- public String execute() {
- // TODO Auto-generated method stub
- return SUCCESS;
- }
登陆页面 login.jsp:
- <%@ 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>
- <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>
- This is my JSP page.
- <br>
- <s:form action="userLogin.action">
- <s:textfield name="username" label="用户名" />
- <s:password name="password" label="密码"></s:password>
- <s:submit type="button" value="登陆" />
- </s:form>
- </body>
- </html>
成功跳转页面 success.jsp:
- <%@ 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>
- <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>
- This is my JSP page.
- <br> Welcome!
- <h5>
- <s:property value="username" />
- </h5>
- <br>
- <h6>
- <s:property value="password" />
- </h6>
- </body>
- </html>
这个是修改之后的正确代码,原来错误代码的struts.xml中的action的name是login,login.jsp中的action="login.action",将这两个action改成“userLogin”之后就没有问题了,改成Login也是可以的。不知道是什么问题,希望了解的大神们指点一下。