spring mvc 多文件上传代码， - JAVA

package com.xyt.cyt.util;

import java.io.File;
import java.io.IOException;
import java.text.DateFormat;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Date;
import java.util.HashMap;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import javax.servlet.http.HttpServletRequest;

import org.springframework.web.multipart.MultipartFile;
import org.springframework.web.multipart.MultipartHttpServletRequest;
import org.springframework.web.multipart.commons.CommonsMultipartResolver;
/**
 *  多文件上传
 * @author liangrui 
 *
 */
public class FileUpload {
	
	 //文件信息
	 public static final String REALNAME = "realName";  //真实名字
	 public static final String STORENAME = "storeName"; //存储名字 
	 public static final String SIZE = "size";  
	// private static final String SUFFIX = "suffix";  
	// private static final String CONTENTTYPE = "contentType";  
	 public static final String CREATETIME = "createTime";  
	 public static final String UPLOADDIR = "public/certificate/temp/";  //文件所在目录	 uploadDir/
	 public static final String ABSOLUTEPATH="absolutePath";//保存文件 绝对路径  absolute
	 public static final String RELATIVEPATH="relativePath"; //相对 路径	 relative
	
	 
	 
	//多文件上传
	public static List
  
   > fileUpload(HttpServletRequest request) throws IllegalStateException, IOException{
	
		//上传文件的解析器
		CommonsMultipartResolver mutiparRe=new CommonsMultipartResolver();
		if(mutiparRe.isMultipart(request)){//如果是文件类型的请求
			
		//保存文件信息
		List
   
    > fileInfo = new ArrayList
    
     >(); MultipartHttpServletRequest mhr=(MultipartHttpServletRequest) request; //创建子目录 取当前日期 DateFormat df= new SimpleDateFormat("yyyyMMdd"); String dirs=df.format(new Date()); //获取路径 String uploadDir = request.getSession().getServletContext() .getRealPath("/") + FileUpload.UPLOADDIR+dirs; //如果目录不存在，创建一个目录 if (!new File(uploadDir).exists()) { File dir= new File(uploadDir); dir.mkdirs(); } //跌带文件名称 Iterator
     
       it= mhr.getFileNames(); while(it.hasNext()){ //获取一个文件 MultipartFile mf=mhr.getFile(it.next()); if(mf!=null){ //获取原文件名 String resFileName=mf.getOriginalFilename(); //保存的文件名 String fileName=rename(resFileName); //路径加文件名 File outFile=new File(uploadDir+"/"+fileName); //保存到 mf.transferTo(outFile); //返回文件信息 Map
      
        map = new HashMap
       
        (); map.put(FileUpload.REALNAME, resFileName); map.put(FileUpload.STORENAME, fileName); map.put(FileUpload.SIZE, mf.getSize()); //new File(fileName).length() map.put(FileUpload.CREATETIME, new Date()); //map.put(FileUpload.UPLOADDIR, uploadDir); map.put(FileUpload.ABSOLUTEPATH, uploadDir+fileName);//文件的绝对路径 map.put(FileUpload.RELATIVEPATH, "/"+FileUpload.UPLOADDIR+fileName);//文件的相对路径 fileInfo.add(map); } } return fileInfo; } return null; } //更改文件名称 public static String rename(String name) { //时分秒 /* Long now = Long.parseLong(new SimpleDateFormat("yyyyMMddHHmmss") .format(new Date())); Long random = (long) (Math.random() * now); String fileName = now + "" + random; */ //uuid生成文件名 UUID uuid=UUID.randomUUID(); String uustr=uuid.toString(); if (name.indexOf(".") != -1) { uustr += name.substring(name.lastIndexOf(".")); } return uustr; } }

xml

测试

//文件上传==== 测试
	@RequestMapping
	public String fileuploadTest(HttpServletRequest request, HttpServletResponse

spring mvc 多文件上传代码，(一)