javaweb实验---Struts2框架开发应用

upload.html:

<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
<title>简单的文件上传</title>
</head>
<body>
<form action="upload.action" method="post" enctype="multipart/form-data">
   文件标题：<input type="text" name="title" /><br>
   选择文件：<input type="file" name="upload" /><br>
   <input value="上传" type="submit" />
</form>
</body>
</html>

上传成功之后跳转的页面succ.jsp：

<%@ page language="java" import="java.util.*" pageEncoding="UTF-8"%>
<%
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>1</title>

</head>

<body>
<h3>上传成功！！！</h3>
</body>
</html>

Struts.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="Action" extends="struts-default">

       <action name="upload" class="Action.UploadAction">
<param name="savePath">/upload</param>
           <result>/succ.jsp</result>
       </action>
   </package>
</struts>

UploadAction.java:

package Action;

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

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class UploadAction extends ActionSupport {

   private String title;
   private File upload;
   private String uploadContentType;
   private String uploadFileName;
   private String savePath;
   public String getTitle() {
       return (this.title);
   }
   public void setTitle(String title) {
       this.title = title;
   }
   public File getUpload() {
       return (this.upload);
   }
   public void setUpload(File upload) {
       this.upload = upload;
   }
   public String getUploadContentType() {
       return (this.uploadContentType);
   }
   public void setUploadContentType(String uploadContentType) {
       this.uploadContentType = uploadContentType;
   }
   public String getUploadFileName() {
       return (this.uploadFileName);
   }
   public void setUploadFileName(String uploadFileName) {
       this.uploadFileName = uploadFileName;
   }
   public String getSavePath()throws Exception {
       return ServletActionContext.getRequest().getRealPath(savePath);

   }
   public void setSavePath(String savePath) {
       this.savePath = savePath;
   }

   @Override
   public String execute()throws Exception{
       System.out.println("开始上传单个文件-------------");
       System.out.println(getSavePath());
       System.out.println("============"+getUploadFileName());
       System.out.println("============"+getUploadContentType());
       System.out.println("============"+getUpload());
       //以服务器的文件保存地址和原文件名建立上传文件传输流
       FileOutputStream fos = new FileOutputStream(getSavePath() +"\\" +
       getUploadFileName());
       FileInputStream fis = new FileInputStream(getUpload());
       byte[] buffer = new byte[1024];
       int len = 0;
       while((len = fis.read(buffer))>0){
           fos.write(buffer,0,len);
       }
       return SUCCESS;
   }

}

测试截图：

上传成功后跳转到succ.jsp页面，并且显示上传成功：