Struts2 多文件上传 

 1 <%@ page contentType="text/html;charset=UTF-8" language="java"%>
 2 <%@ taglib prefix="s" uri="/struts-tags"%>
 3 <!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
 4 <html>
 5   <head>
 6       <title>上传文件</title>
 7   </head>
 8   
 9   <body>
10   <s:form action="upload"  enctype="multipart/form-data">
11          <s:file name="upload" label="上传路径1"></s:file>
12          <s:file name="upload" label="上传路径2"></s:file>
13          <s:file name="upload" label="上传路径3"></s:file>
14      <s:submit  value="上传"></s:submit>
15   </s:form>
16   </body>
17 </html>


package com.action;

import java.io.*;

import org.apache.struts2.ServletActionContext;

import com.opensymphony.xwork2.ActionSupport;

public class UploadAction extends ActionSupport
{
	private File[] upload;                  //封装上传文件
	private String[] uploadContentType;     //封装上传文件类型
	private String[] uploadFileName;        //封装上传文件名
	private String savePath;              //封装上传文件在服务器tomcat容器上的保存路径
	private FileInputStream fileInput;
	private FileOutputStream fileOutput;
	
	public File[] getUpload() {
		return upload;
	}
	public void setUpload(File[] upload) {
		this.upload = upload;
	}
	public String[] getUploadContentType() {
		return uploadContentType;
	}
	public void setUploadContentType(String[] uploadContentType) {
		this.uploadContentType = uploadContentType;
	}
	public String[] getUploadFileName() {
		return uploadFileName;
	}
	public void setUploadFileName(String[] uploadFileName) {
		this.uploadFileName = uploadFileName;
	}
	
	public String getSavePath()
	{
		//以下ServletActionContext.getServletContext().getRealPath(“”)方法获取本工程在tomcat容器中的真实绝对路径，加上参数savepath，进一步得到下一级savepath的绝对路径
		String realpath = ServletActionContext.getServletContext().getRealPath(savePath);
		return realpath;
	}

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

	public String execute() throws Exception
	{
		
		System.out.println("这是uploadAction");
		
        File[] files =this.getUpload();
        this.setSavePath("");
        for(int i=0;i<files.length;i++){
        	
        	fileOutput=new FileOutputStream(this.getSavePath()+ "\\" + this.getUploadFileName()[i]);
        	fileInput=new FileInputStream(files[i]);
        	
        	byte[] buffer = new byte[1024];
        	int len=0;
        	while((len=fileInput.read(buffer)) > 0 ){
        		
        		fileOutput.write(buffer,0,len);
        		
        	}
        }
        
		
		
		return "success";
	}
}

　　

 配置文件：

 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.enable.DynamicMethodInvocation"
 8         value="true" />
 9     <constant name="struts.devMode" value="false" />
10     <include file="struts-default.xml" />  
11 
12     <package name="up-load" extends="struts-default">
13         <action name="upload" class="com.action.UploadAction">
14             <param name="savePath">/uploadAdd</param>  <!-- 部署本工程前，要在WebRoot下手工创建文件夹uploadAdd,保存的文件 -->
15             <result name="success">upsuccess.jsp</result>
16             <result name="input">uperror.jsp</result>
17             <interceptor-ref name="defaultStack"/>            
18             <interceptor-ref name="fileUpload">
19                 <param name="allowedTypes">image/gif,image/jpeg,image/x-png,image/bmp,text/plain,application/msword,application/vnd.ms-excel,application/x-zip-compressed,application/pdf,application/vnd.ms-powerpoint</param>   <!-- 允许上传的文件类型 -->
20                    <param name="maximumSize">2048000</param>   <!-- 限制上传文件大小为2048000字节  --> 
21             </interceptor-ref>
22         </action>
23             
24     </package>
25 </struts>
 1 <?xml version="1.0" encoding="UTF-8"?>
 2 <web-app version="2.5" 
 3     xmlns="http://java.sun.com/xml/ns/javaee" 
 4     xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
 5     xsi:schemaLocation="http://java.sun.com/xml/ns/javaee 
 6     http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
 7 
 8    <filter>
 9       <filter-name>Struts2</filter-name> 
10       <filter-class>org.apache.struts2.dispatcher.FilterDispatcher</filter-class> 
11   </filter>
12   
13    <filter-mapping>
14       <filter-name>Struts2</filter-name> 
15       <url-pattern>/*</url-pattern> 
16   </filter-mapping>
17 
18   <welcome-file-list>
19     <welcome-file>index.jsp</welcome-file>
20   </welcome-file-list>
21 </web-app>

 

posted @ 2015-03-26 19:56  鱼时代  阅读(126)  评论(0)    收藏  举报