Upload files using Spring MVC and Spring MVC

Upload files using Spring MVC and Spring MVC

1. applicationContext. xml

1 <bean id="multipartResolver"2         class="org.springframework.web.multipart.commons.CommonsMultipartResolver">3         <property name="maxUploadSize" value="104857600" />4         <property name="maxInMemorySize" value="4096" />5         <property name="defaultEncoding" value="UTF-8"></property>6     </bean>

 

2. uploadFile. jsp

1 <% @ page language = "java" contentType = "text/html; charset = UTF-8" 2 pageEncoding = "UTF-8" %> 3 <! DOCTYPE html PUBLIC "-// W3C // dtd html 4.01 Transitional // EN" http://www.w3.org/TR/html4/loose.dtd "> 4 
3. UploadFileAction. java
1 package com. taozhiye. controller; 2 3 import java. io. file; 4 import java. io. fileNotFoundException; 5 import java. io. fileOutputStream; 6 import java. io. IOException; 7 import java. io. inputStream; 8 import java. io. outputStream; 9 import java. util. date; 10 import java. util. iterator; 11 12 import javax. servlet. http. httpServletRequest; 13 14 import org. springframework. stereotype. controller; 15 import org. sp Ringframework. web. bind. annotation. requestMapping; 16 import org. springframework. web. bind. annotation. requestParam; 17 import org. springframework. web. bind. annotation. responseBody; 18 import org. springframework. web. multipart. multipartFile; 19 import org. springframework. web. multipart. multipartHttpServletRequest; 20 import org. springframework. web. multipart. commons. commonsMultipartFile; 21 import org. springfr Amework. web. multipart. commons. commonsMultipartResolver; 22 23 @ Controller24 public class UploadFileAction {25 26 27 @ RequestMapping ("uploadFile") 28 public String goFile () {29 return "uploadFile "; 30} 31 32/* 33 * methods for uploading files using spring 34 */35 @ RequestMapping ("springUpload") 36 @ ResponseBody37 public String springUpload (HttpServletRequest request) 38 throws IllegalStateException, IOException {39 long startT Ime = System. currentTimeMillis (); 40 // initialize the current context to CommonsMutipartResolver (multi-part parser) 41 CommonsMultipartResolver multipartResolver = new CommonsMultipartResolver (42 request. getSession (). getServletContext (); 43 // check whether the form contains enctype = "multipart/form-data" 44 if (multipartResolver. isMultipart (request) {45 // convert the request to a multipart request46 MultipartHttpServletRequest multiRequest = (MultipartHttpServletRequest) r Equest; 47 // get all file names in multiRequest. 48 Iterator iter = multiRequest. getFileNames (); 49 while (iter. hasNext () {50 // traverse all files at a time 51 MultipartFile file = multiRequest. getFile (iter. next () 52. toString (); 53 if (file! = Null) {54 String path = "E:/springUpload" 55 + file. getOriginalFilename (); 56 // upload 57 files. transferTo (new File (path); 58} 59 60} 61 62} 63 long endTime = System. currentTimeMillis (); 64 System. out. println ("method running time:" + String. valueOf (endTime-startTime) 65 + "ms"); 66 return "success"; 67} 68} 69