Question

我已经完成了所有事情，但它无法正常工作

enter image description here

的web.xml

<?xml version="1.0" encoding="UTF-8"?>
<web-app xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns="http://java.sun.com/xml/ns/javaee" xmlns:web="http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd" xsi:schemaLocation="http://java.sun.com/xml/ns/javaee http://java.sun.com/xml/ns/javaee/web-app_3_0.xsd" id="WebApp_ID" version="3.0">
  <display-name>m2r</display-name>

  <welcome-file-list>

    <welcome-file>weldcome.jsp</welcome-file>
    <welcome-file>index.jsp</welcome-file>
    <welcome-file>default.htm</welcome-file>
    <welcome-file>default.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>/hello</url-pattern>
</filter-mapping>
</web-app>

strut2.xml

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE struts PUBLIC
   "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
   "http://struts.apache.org/dtds/struts-2.0.dtd">
<struts>

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

      <action name="hello" 
            class="com.tut.struts2.HelloWorldAction" 
            method="execute">
            <result name="success">/HelloWorld.jsp</result>
      </action>
   </package>
</struts>

HelloWorldAction

package com.tut.struts2;

public class HelloWorldAction extends ActionSupport {
     private String name;

       public String execute() throws Exception {
          return "success";
       }

       public String getName() {
          return name;
       }

       public void setName(String name) {
          this.name = name;
       }

}

的index.jsp

<%@ page language="java" contentType="text/html; charset=ISO-8859-1"
   pageEncoding="ISO-8859-1"%>
<%@ taglib prefix="s" uri="/struts-tags"%>
   <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" 
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>Hello World</title>
</head>
<body>
   <h1>Hello World From Struts2</h1>
   <form action="hello">
      <label for="name">Please enter your name</label><br/>
      <input type="text" name="name"/>
      <input type="submit" value="Say Hello"/>
   </form>
</body>
</html>

Answer 1

我认为您在struts.xml中的映射是错误的。在struts.xml，您有<result name="success">/HelloWorld.jsp</result>，框架只会将context path附加到/HelloWorld.jsp并使用它来找到您的HellowWorld.jsp。但是，根据您发布的图像，HelloWorld.jsp位于WEB-INF目录中。这就是struts无法找到你的jsp的原因。重新映射struts.xml中的jsp或更改HelloWorld.jsp的位置以反映当前映射。我认为这将解决您的问题。

修改将struts2.xml更改为struts.xml

不明原因struts项目工作不正常？

1 个答案: