<%@ page language="java" contentType="text/html; charset=UTF-8"	pageEncoding="UTF-8"%>
    
     
      
      
     
    

jsp页面

package com.moretv.update.action;import java.io.File;import java.io.FileNotFoundException;import java.io.IOException;import java.io.InputStream;import java.io.OutputStream;import com.opensymphony.xwork2.ActionContext;import com.opensymphony.xwork2.ActionSupport;public class IndexAction extends ActionSupport {	private List
    
      files;//更新文件集合	private List
     
       filesFileName;//files的文件名集合	private List
      
        filesContentType;//files文件的類型集合public String index() {if (files != null) {			for (int i = 0; i < files.size(); i++) {				InputStream is;				OutputStream os;				try {					//每个升级文件的文件名					String fName = "D:\\"+filesFileName.get(i);					is = new java.io.FileInputStream(files.get(i));					os = new java.io.FileOutputStream(fName);					byte buffer[] = new byte[8192];					int count = 0;					while ((count = is.read(buffer)) > 0) {						os.write(buffer, 0, count);					}					os.close();					is.close();				} catch (FileNotFoundException e) {					e.printStackTrace();				} catch (IOException e) {					e.printStackTrace();				}			}		}return "SUCCESS";	}	public List
       
         getFilesFileName() {		return filesFileName;	}	public void setFilesFileName(List
        
          filesFileName) {		this.filesFileName = filesFileName;	}	public List
         
           getFilesContentType() { return filesContentType; } public void setFilesContentType(List
          
            filesContentType) { this.filesContentType = filesContentType; } public void setFiles(List
           
             files) { this.files = files; } public List
            
           
          
         
        
       
      
     
    

action代码

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在某些情况下可能发生，jar包没有问题，代码没有问题，但是却无法获取页面传来文件，这有可能是缺少了文件上传拦截器的缘故。例子如下：

    			
     
      /A/list.action