命名空间[/]和与上下文路径[/Struts2Application]关联的操作名称[LognClass]没有映射任何操



为什么我在First struts2应用程序中出现此错误

主页.jsp:

<%@ page language="java" contentType="text/html; charset=UTF-8"
    pageEncoding="UTF-8"%>
<!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
<title>Insert title here</title>
</head>
<body>
<form action="LoginClass" method="post">
<table>
<tr>
<td>User Name :</td><td><input type="text" name="Uname"></td>
</tr>
<tr>
<td>Password :</td><td><input type="text" name="Pwd"></td>
</tr>
<tr>
<td><input type="submit" value="Login"></td>
</tr>
</table>
</form>
</body>
</html>

Struts.xml:

<!DOCTYPE struts PUBLIC
   "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
   "http://struts.apache.org/dtds/struts-2.0.dtd">
   <struts>
   <package name="Default" extends="Struts_default">
   <action name="LoginClass" class="com.struts2.LoginCheckingClass" method="execute">
   <result name="success">/LoginSuccessPage.jsp</result>
   <result name="Notsuccess">/Home.jsp</result>   
   </action>   
   </package>   
   </struts>

登录检查类.java:

   package com.struts2;
public class LoginCheckingClass {

    private String name;
       public String execute() throws Exception {
          return "success";
       }
       public String getName() {
          return name;
       }
       public void setName(String name) {
          this.name = name;
       }
}

Web.xml:

<web-app 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_2_5.xsd"
 version="2.5">
  <display-name>Struts2Application</display-name>
  <welcome-file-list>
    <welcome-file>home.jsp</welcome-file>
  </welcome-file-list>
  <filter>
  <filter-name>Struts2</filter-name>
  <filter-class>org.apache.struts2.dispatcher.ng.filter.StrutsPrepareAndExecuteFilter
  </filter-class>
  </filter>
  <filter-mapping>
  <filter-name>Struts2</filter-name>
  <url-pattern>/*</url-pattern>
  </filter-mapping>  
</web-app>

这个问题在早些时候向我提出,所以我通过这个Struts2解决了:没有为命名空间[/]和与上下文路径[/struts2App1]关联的操作名称[hello]映射的操作,但现在无法解决这个问题。

有人告诉我哪里做错了?

<package>配置定义为

<package name="default" namespace="/" extends="struts-default">
   <action name="LoginClass" class="com.struts2.LoginCheckingClass" method="execute">
     <result name="success">/LoginSuccessPage.jsp</result>
     <result name="Notsuccess">/Home.jsp</result>   
   </action>   
</package>

您需要提供namespace属性,更正struts-default包名称,然后将配置文件重命名为struts.xml,即全部小写。

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