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Struts 2 有关问题

热度:612   发布时间:2016-04-17 00:44:24.0
Struts 2 问题
各路大神,我在用struts 2 写上传文件时,老是报错。但是,我不知道怎么修改。
下面是服务器提示的错误
No result defined for action action.Upload and result success

description The requested resource (No result defined for action action.Upload and result success) is not available


下面是struts-xml代码
<?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>
<package name="main" extends="struts-default">

<action name="loginPerson"
class="action.Login">
<result name="login">/Login.jsp</result>
<result name="success">/Success.jsp</result>
</action>

<action name="upload"
class="action.Upload">
<result name="input">/Success.jsp</result>
<result name="success">/Upsuccess.jsp</result>
<interceptor-ref name="fileUpload">
<param name="allowedTypes">application/msword</param>
</interceptor-ref>
</action>

</package>
</struts>  

下面是/Success.jsp 的代码
<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>

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

<!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>  
  <struts:actionerror/>
  <struts:form action="upload" enctype="multipart/form-data" method="post">
  <struts:label value="上传文件"></struts:label>
  <struts:file name="picture" label="文件"></struts:file>
  <struts:submit value="开始上传" method="upload"></struts:submit>
  </struts:form>
  </body>
</html>


下面是Upload 的代码
package action;

import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.InputStream;
import java.io.OutputStream;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class Upload extends ActionSupport
{
  private File picture;
  private String pictureContentType;
  private String pictureFileName;
   
  public String execute()
  {
  return "input";
  }
   
  public String upload() throws Exception
  {
  File saved = new File(ServletActionContext.getServletContext().getRealPath("upload"),pictureFileName);
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