文件批量上传

 <bean id="multipartResolver" class="org.springframework.web.multipart.commons.CommonsMultipartResolver"> <property name="defaultEncoding" value="utf-8"></property> <!-- 配置文件的最大上传容量限制 --> <property name="maxUploadSize" value="50242440"></property> </bean>
<%@ page language="java" contentType="text/html; charset=UTF-8" pageEncoding="UTF-8"%><!DOCTYPE html PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd"><html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>文件上传下载</title></head><body> <form action="${pageContext.request.contextPath }/file/upload.html" method="post" enctype="multipart/form-data"> 选择文件:<input type="file" multiple="multiple" name="files" width="120px" > <input type="submit" value="上传"> </form></body></html>
/**** 文件的批量上传* @param files* @param request* @return* @throws Exception* @throws IOException*/@RequestMapping(value="/file/upload.html",method=RequestMethod.POST)public String upload(@RequestParam("files") MultipartFile[] files,MultipartHttpServletRequest request) throws Exception, IOException{//获取文件夹的名字List<String[]> filess=new ArrayList<String[]>();String path = request.getSession().getServletContext().getRealPath("/upload");StringBuffer stringbuffer=new StringBuffer();//对传进来的文件数组,进行 循环复制for(MultipartFile multipartFile:files){//判断文件是否为空if(!multipartFile.isEmpty()) {//将多个文件名拼接在一个字符串中,用;分隔stringbuffer.append(multipartFile.getOriginalFilename()); stringbuffer.append(";");File dir=new File(path, multipartFile.getOriginalFilename());//将文件名和对应的路径存放在数组中String[] files1={multipartFile.getOriginalFilename(),dir.toPath().toString()};//将一个文件的标识信息存入集合中filess.add(files1);//System.out.println(dir.toPath());//文件不存则在创建if(!dir.exists()&&!dir.isDirectory()){ dir.mkdirs(); } //文件进行复制multipartFile.transferTo(dir);}}String s=stringbuffer.substring(0, stringbuffer.length()-1);//将文件信息集合存入数据库中fileOperateService.insertfiles(filess);//跳转到调用文件显示的界面return "redirect:/file/showall.html"; }

 

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