后台Conroller
- import java.io.File;
- import java.io.FileInputStream;
- import java.io.FileOutputStream;
- import java.io.IOException;
- import java.io.PrintWriter;
- import java.io.UnsupportedEncodingException;
- import java.net.URLDecoder;
- import java.util.Date;
- import java.util.Iterator;
- import javax.servlet.http.HttpServletRequest;
- import javax.servlet.http.HttpServletResponse;
- import javax.swing.filechooser.FileNameExtensionFilter;
- import org.springframework.stereotype.Controller;
- import org.springframework.web.bind.annotation.RequestMapping;
- import org.springframework.web.bind.annotation.RequestMethod;
- import org.springframework.web.bind.annotation.RequestParam;
- import org.springframework.web.multipart.MultipartFile;
- import org.springframework.web.multipart.MultipartHttpServletRequest;
- import org.springframework.web.multipart.commons.CommonsMultipartFile;
- import org.springframework.web.multipart.commons.CommonsMultipartResolver;
- import org.springframework.web.servlet.ModelAndView;
- import com.tgb.web.controller.entity.User;
- @Controller
- @RequestMapping("/file")
- public class UploadController {
- @RequestMapping("/upload" )
- public String addUser(@RequestParam("file") CommonsMultipartFile[] files,HttpServletRequest request){
- for(int i = 0;i<files.length;i++){
- System.out.println("fileName---------->" + files[i].getOriginalFilename());
- if(!files[i].isEmpty()){
- int pre = (int) System.currentTimeMillis();
- try {
- //拿到输出流,同时重命名上传的文件
- FileOutputStream os = new FileOutputStream("H:/" + new Date().getTime() + files[i].getOriginalFilename());
- //拿到上传文件的输入流
- FileInputStream in = (FileInputStream) files[i].getInputStream();
- //以写字节的方式写文件
- int b = 0;
- while((b=in.read()) != -1){
- os.write(b);
- }
- os.flush();
- os.close();
- in.close();
- int finaltime = (int) System.currentTimeMillis();
- System.out.println(finaltime - pre);
- } catch (Exception e) {
- e.printStackTrace();
- System.out.println("上传出错");
- }
- }
- }
- return "/success";
- }
- @RequestMapping("/upload2" )
- public String upload2(HttpServletRequest request,HttpServletResponse response) throws IllegalStateException, IOException {
- //创建一个通用的多部分解析器
- CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver(request.getSession().getServletContext());
- //判断 request 是否有文件上传,即多部分请求
- if(multipartResolver.isMultipart(request)){
- //转换成多部分request
- MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest)request;
- //取得request中的所有文件名
- Iterator<String> iter = multiRequest.getFileNames();
- while(iter.hasNext()){
- //记录上传过程起始时的时间,用来计算上传时间
- int pre = (int) System.currentTimeMillis();
- //取得上传文件
- MultipartFile file = multiRequest.getFile(iter.next());
- if(file != null){
- //取得当前上传文件的文件名称
- String myFileName = file.getOriginalFilename();
- //如果名称不为“”,说明该文件存在,否则说明该文件不存在
- if(myFileName.trim() !=""){
- System.out.println(myFileName);
- //重命名上传后的文件名
- String fileName = "demoUpload" + file.getOriginalFilename();
- //定义上传路径
- String path = "H:/" + fileName;
- File localFile = new File(path);
- file.transferTo(localFile);
- }
- }
- //记录上传该文件后的时间
- int finaltime = (int) System.currentTimeMillis();
- System.out.println(finaltime - pre);
- }
- }
- return "/success";
- }
- @RequestMapping("/toUpload" )
- public String toUpload() {
- return "/upload";
- }
- }
- <%@ 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>
- <script type="text/javascript" src="/js/<strong>jquery-1.7.2.js</strong>"></script>
- <meta http-equiv="Content-Type" content="text/html; charset=UTF-8">
- <title>Insert title here</title>
- <script type="text/javascript">
- i = 1;
- j = 1;
- $(document).ready(function(){
- $("#btn_add1").click(function(){
- document.getElementById("newUpload1").innerHTML+='<div id="div_'+i+'"><input name="file" type="file" /><input type="button" value="删除" onclick="del_1('+i+')"/></div>';
- i = i + 1;
- });
- $("#btn_add2").click(function(){
- document.getElementById("newUpload2").innerHTML+='<div id="div_'+j+'"><input name="file_'+j+'" type="file" /><input type="button" value="删除" onclick="del_2('+j+')"/></div>';
- j = j + 1;
- });
- });
- function del_1(o){
- document.getElementById("newUpload1").removeChild(document.getElementById("div_"+o));
- }
- function del_2(o){
- document.getElementById("newUpload2").removeChild(document.getElementById("div_"+o));
- }
- </script>
- </head>
- <body>
- <h1>springMVC字节流输入上传文件</h1>
- <form name="userForm1" action="/springMVC7/file/upload" <strong>enctype="multipart/form-data"</strong> method="post">
- <div id="newUpload1">
- <input type="file" name="file">
- </div>
- <input type="button" id="btn_add1" value="增加一行" >
- <input type="submit" value="上传" >
- </form>
- <br>
- <br>
- <hr align="left" width="60%" color="#FF0000" size="3">
- <br>
- <br>
- <h1>springMVC包装类上传文件</h1>
- <form name="userForm2" action="/springMVC7/file/upload2" <strong>enctype="multipart/form-data"</strong> method="post"">
- <div id="newUpload2">
- <input type="file" name="file">
- </div>
- <input type="button" id="btn_add2" value="增加一行" >
- <input type="submit" value="上传" >
- </form>
- </body>
- </html>
来源: http://www.phpxs.com/code/1002063/