Struts---多文件上传、单文件下载

struts.xml

 1 <?xml version="1.0" encoding="UTF-8" ?>
 2 <!DOCTYPE struts PUBLIC
 3     "-//Apache Software Foundation//DTD Struts Configuration 2.0//EN"
 4     "http://struts.apache.org/dtds/struts-2.0.dtd">
 5 
 6 <struts>
 7     <constant name="struts.multipart.maxSize" value="3000000001000"></constant>
 8     <package name="a" extends="struts-default">
 9     
10     <!-- 上传   多文件上传 -->
11         <action name="upload" class="com.zr.fileupload" method="upload">
12             <param name="allowedTypes">image/bmp,image.jpg</param>
13             <param name="allowedExtensions">.jpg</param>
14             <interceptor-ref name="fileUpload">
15             <param name="maximumSize">81111110111</param>
16             </interceptor-ref>
17              <interceptor-ref name="defaultStack"/>
18             <result name="OK">/upload.jsp</result>
19         </action>
20         
21         
22     <!-- 下载   单文件下载 -->
23         <action name="DownLoad" class="com.zr.DownLoad">
24         <result type="stream">
25             <param name="contentDisposition">attachment;filename=${fileName}</param>
26         </result>
27         
28         </action>
29     </package>
30 </struts>

下载方法

 1 package com.zr;
 2 
 3 import java.io.File;
 4 import java.io.FileInputStream;
 5 import java.io.InputStream;
 6 import java.io.UnsupportedEncodingException;
 7 
 8 import com.opensymphony.xwork2.ActionSupport;
 9 
10 public class DownLoad extends ActionSupport{
11     
12     private String fileName;
13 
14     public String getFileName() throws Exception{
15         fileName=new String(fileName.getBytes(), "ISO8859-1");
16         return fileName;
17     }
18 
19     public void setFileName(String fileName) {
20         this.fileName = fileName;
21     }
22     
23     public InputStream getInputStream()throws Exception{
24         File file=new File("C:/jdk-6u39-windows-i586.exe");
25         this.fileName="jdk-6u39-windows-i586.exe";
26         return new FileInputStream(file);
27     }
28     
29 }

实体类

 1 package com.zr;
 2 
 3 import java.io.File;
 4 import java.io.IOException;
 5 import org.apache.commons.io.FileUtils;
 6 import com.opensymphony.xwork2.ActionSupport;
 7 public class fileupload extends ActionSupport{
 8 
 9     private File   [] upload;
10     private String [] uploadFileName;
11     private String [] uploadContentType;
12     
13 
14     public String upload() throws IOException{
15         for (int i = 0; i <upload.length; i++) {
16             String filepath="c:/"+uploadFileName[i];
17             File fp=new File(filepath);
18             FileUtils.copyFile(upload[i], fp);
19         }
20         return "OK";
21     }
22     
23     
24     
25     public File[] getUpload() {
26         return upload;
27     }
28     public void setUpload(File[] upload) {
29         this.upload = upload;
30     }
31     public String[] getUploadFileName() {
32         return uploadFileName;
33     }
34     public void setUploadFileName(String[] uploadFileName) {
35         this.uploadFileName = uploadFileName;
36     }
37     public String[] getUploadContentType() {
38         return uploadContentType;
39     }
40     public void setUploadContentType(String[] uploadContentType) {
41         this.uploadContentType = uploadContentType;
42     }
43 }

index.jsp页面

 1 <%@ page language="java" import="java.util.*" pageEncoding="utf-8"%>
 2 <%@ taglib uri="/struts-tags" prefix="s" %>
 3 <%
 4 String path = request.getContextPath();
 5 String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
 6 %>
 7 
 8 <!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
 9 <html>
10   <head>
11     <base href="<%=basePath%>">
12     <title>My JSP 'index.jsp' starting page</title>
13     <meta http-equiv="pragma" content="no-cache">
14     <meta http-equiv="cache-control" content="no-cache">
15     <meta http-equiv="expires" content="0">    
16     <meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
17     <meta http-equiv="description" content="This is my page">
18     <!--
19     <link rel="stylesheet" type="text/css" href="styles.css">
20     -->
21     <SCRIPT type="text/javascript" src="jquery-1.8.2.min.js"></SCRIPT>
22   </head>
23   <body>
24         <embed 
25             name="honehoneclock" 
26             width="320" 
27             align="middle" 
28             pluginspage="http://www.macromedia.com/go/getflashplayer"
29             src="http://chabudai.sakura.ne.jp/blogparts/honehoneclock/honehone_clock_wh.swf"
30             type="application/x-shockwave-flash"
31             allowscriptaccess="always"
32             bgcolor="#ffffff" 
33             quality="high" 
34             wmode="transparent"
35         >
36                 
37         <form action="upload"  method="post" enctype="multipart/form-data">
38              <input type="file" name="upload"><br/>
39              <input type="file" name="upload"><br/>
40              <input type="file" name="upload"><br/>
41              <input type="submit"  value="上传"> <br/>
42          </form>
43          
44          <a href="DownLoad.action">下载</a>
45          
46   </body>
47 
48 </html>

struts配置注意事件

以上内容为个人笔记记录

可供他人参考

2017-08-1112:51:01

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