Apache鐨刢ommons-fileupload.jar鍙柟渚跨殑瀹炵幇鏂囦欢鐨勪笂浼犲姛鑳斤紝鏈枃閫氳繃瀹炰緥鏉ヤ粙缁嶅浣曚娇鐢╟ommons-fileupload.jar銆? @author:ZJ 07-2-22 Blog: http://zhangjunhd.blog.51cto.com/ 聽聽聽 灏咥pache鐨刢ommons-fileupload.jar鏀惧湪搴旂敤绋嬪簭鐨刉EB-INF/lib涓嬶紝鍗冲彲浣跨敤銆備笅闈妇渚嬩粙缁嶅浣曚娇鐢ㄥ畠鐨勬枃浠朵笂浼犲姛鑳姐?? 鎵?浣跨敤鐨刦ileUpload鐗堟湰涓?2锛岀幆澧冧负Eclipse3.3+MyEclipse6.0銆侳ileUpload 鏄熀浜?Commons IO鐨勶紝鎵?浠ュ湪杩涘叆椤圭洰鍓嶅厛纭畾Commons IO鐨刯ar鍖咃紙鏈枃浣跨敤commons-io-1.3.2.jar锛夊湪WEB-INF/lib涓嬨?? 姝ゆ枃浣滅ず渚嬪伐绋嬪彲鍦ㄦ枃绔犳渶鍚庣殑闄勪欢涓笅杞姐??
绀轰緥 1鏈?绠?鍗曠殑渚嬪瓙锛岄?氳繃ServletFileUpload闈欐?佺被鏉ヨВ鏋怰equest锛屽伐鍘傜被FileItemFactory浼氬mulipart绫荤殑琛ㄥ崟涓殑鎵?鏈夊瓧娈佃繘琛屽鐞嗭紝涓嶅彧鏄痜ile瀛楁銆俫etName锛堬級寰楀埌鏂囦欢鍚嶏紝getString锛堬級寰楀埌琛ㄥ崟鏁版嵁鍐呭锛宨sFormField锛堬級鍙垽鏂槸鍚︿负鏅?氱殑琛ㄥ崟椤广?? demo1.html
| <html> <head> 聽聽聽 <meta http-equiv="Content-Type" content="text/html; charset=GB18030"> 聽聽聽 <title>File upload</title> </head> <body> 聽聽聽聽聽聽 //蹇呴』鏄痬ultipart鐨勮〃鍗曟暟鎹?? 聽聽聽 <form name="myform" action="demo1.jsp" method="post" 聽聽聽聽聽聽 enctype="multipart/form-data"> 聽聽聽聽聽聽 Your name: <br> 聽聽聽聽聽聽 <input type="text" name="name" size="15"><br> 聽聽聽聽聽聽 File:<br> 聽聽聽聽聽聽 <input type="file" name="myfile"><br> 聽聽聽聽聽聽 <br> 聽聽聽聽聽聽 <input type="submit" name="submit" value="Commit"> 聽聽聽 </form> </body> </html> |
demo1.jsp
| <%@ page language="java" contentType="text/html; charset=GB18030" 聽聽聽 pageEncoding="GB18030"%> <%@ page import="org.apache.commons.fileupload.*"%> <%@ page import="org.apache.commons.fileupload.servlet.*"%> <%@ page import="org.apache.commons.fileupload.disk.*"%> <%@ page import="java.util.*"%> <!DOCTYPE HTML PUBLIC "-//W 3C //DTD HTML 4.01 Transitional//EN"> <% 聽聽聽 boolean isMultipart = ServletFileUpload.isMultipartContent(request);//妫?鏌ヨ緭鍏ヨ姹傛槸鍚︿负multipart琛ㄥ崟鏁版嵁銆? 聽聽聽 if (isMultipart == true ) { 聽聽聽聽聽聽 FileItemFactory factory = new DiskFileItemFactory();//涓鸿璇锋眰鍒涘缓涓?涓狣iskFileItemFactory瀵硅薄锛岄?氳繃瀹冩潵瑙ｆ瀽璇锋眰銆傛墽琛岃В鏋愬悗锛屾墍鏈夌殑琛ㄥ崟椤圭洰閮戒繚瀛樺湪涓?涓狶ist涓?? 聽聽聽聽聽聽 ServletFileUpload upload = new ServletFileUpload(factory); 聽聽聽聽聽聽 List<FileItem> items = upload.parseRequest(request); 聽聽聽聽聽聽 Iterator<FileItem> itr = items.iterator(); 聽聽聽聽聽聽 while (itr.hasNext()) { 聽聽聽聽聽聽聽聽聽聽 FileItem item = (FileItem) itr.next(); 聽聽聽聽聽聽聽聽聽聽 //妫?鏌ュ綋鍓嶉」鐩槸鏅?氳〃鍗曢」鐩繕鏄笂浼犳枃浠躲?? 聽聽聽聽聽聽聽聽聽聽 if (item.isFormField()) {//濡傛灉鏄櫘閫氳〃鍗曢」鐩紝鏄剧ず琛ㄥ崟鍐呭銆? 聽聽聽聽聽聽 String fieldName = item.getFieldName(); 聽聽聽聽聽聽 if (fieldName.equals("name")) //瀵瑰簲demo1.html涓璽ype="text" name="name" 聽聽聽聽聽聽聽聽聽聽 out.print("the field name is" + item.getString());//鏄剧ず琛ㄥ崟鍐呭銆? 聽聽聽聽聽聽 out.print("<br>"); 聽聽聽聽聽聽聽聽聽聽 } else {//濡傛灉鏄笂浼犳枃浠讹紝鏄剧ず鏂囦欢鍚嶃?? 聽聽聽聽聽聽 out.print("the upload file name is" + item.getName()); 聽聽聽聽聽聽 out.print("<br>"); 聽聽聽聽聽聽聽聽聽聽 } 聽聽聽聽聽聽 } 聽聽聽 } else { 聽聽聽聽聽聽 out.print("the enctype must be multipart/form-data"); 聽聽聽 } %> <html> <head> 聽聽聽 <meta http-equiv="Content-Type" content="text/html; charset=GB18030"> 聽聽聽 <title>File upload</title> </head> <body> </body> </html> |
缁撴灉锛?
| the field name isjeff the upload file name isD:/C璇█鑰冭瘯鏍烽/浣滀笟棰?rar |
涓婁紶涓や釜鏂囦欢鍒版寚瀹氱殑鐩綍銆? demo2.html
| <html> <head> 聽聽聽 <meta http-equiv="Content-Type" content="text/html; charset=GB18030"> 聽聽聽 <title>File upload</title> </head> <body> 聽聽聽 <form name="myform" action="demo2.jsp" method="post" 聽聽聽聽聽聽 enctype="multipart/form-data"> 聽聽聽聽聽聽 File1:<br> 聽聽聽聽聽聽 <input type="file" name="myfile"><br> 聽聽聽聽聽聽 File2:<br> 聽聽聽聽聽聽 <input type="file" name="myfile"><br> 聽聽聽聽聽聽 <br> 聽聽聽聽聽聽 <input type="submit" name="submit" value="Commit"> 聽聽聽 </form> </body> </html> |
demo2.jsp
| <%@ page language="java" contentType="text/html; charset=GB18030" 聽聽聽 pageEncoding="GB18030"%> <%@ page import="org.apache.commons.fileupload.*"%> <%@ page import="org.apache.commons.fileupload.servlet.*"%> <%@ page import="org.apache.commons.fileupload.disk.*"%> <%@ page import="java.util.*"%> <%@ page import="java.io.*"%> <!DOCTYPE HTML PUBLIC "-//W 3C //DTD HTML 4.01 Transitional//EN"> <%String uploadPath="D://temp"; 聽 boolean isMultipart = ServletFileUpload.isMultipartContent(request); 聽 if (isMultipart== true ){ 聽聽聽 聽 try { 聽聽聽 聽聽聽 FileItemFactory factory = new DiskFileItemFactory(); 聽聽聽 聽聽聽 ServletFileUpload upload = new ServletFileUpload(factory); 聽聽聽 聽聽聽 List<FileItem> items = upload.parseRequest(request);//寰楀埌鎵?鏈夌殑鏂囦欢 聽聽聽 聽聽 Iterator<FileItem> itr = items.iterator(); 聽聽聽 聽聽聽 while (itr.hasNext()){//渚濇澶勭悊姣忎釜鏂囦欢 聽聽聽聽聽聽 聽 FileItem item=(FileItem)itr.next(); 聽聽聽聽聽聽 聽 String fileName=item.getName();//鑾峰緱鏂囦欢鍚嶏紝鍖呮嫭璺緞 聽聽聽聽聽聽 聽 if (fileName!= null ){ 聽聽聽聽聽聽聽聽聽聽 聽 File fullFile= new File(item.getName()); 聽聽聽聽聽聽聽聽聽聽 聽 File savedFile= new File(uploadPath,fullFile.getName()); 聽聽聽聽聽聽聽聽聽聽 聽 item.write(savedFile); 聽聽聽聽聽聽 聽 } 聽聽聽 聽聽聽 } 聽聽聽 聽聽聽 out.print("upload succeed"); 聽聽聽 聽 } 聽聽聽 聽 catch (Exception e){ 聽聽聽聽聽聽 聽 e.printStackTrace(); 聽聽聽 聽 } 聽 } 聽 else { 聽聽聽 聽 out.println("the enctype must be multipart/form-data"); 聽 } %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=GB18030"> <title>File upload</title> </head> <body> </body> </html> |
缁撴灉锛?
| upload succeed |
姝ゆ椂锛屽湪"D:/temp"涓嬪彲浠ョ湅鍒颁綘涓婁紶鐨勪袱涓枃浠躲??
绀轰緥 3涓婁紶涓?涓枃浠跺埌鎸囧畾鐨勭洰褰曪紝骞堕檺瀹氭枃浠跺ぇ灏忋?? demo3.html
| <html> <head> 聽聽聽 <meta http-equiv="Content-Type" content="text/html; charset=GB18030"> 聽聽聽 <title>File upload</title> </head> <body> 聽聽聽 <form name="myform" action="demo3.jsp" method="post" 聽聽聽聽聽聽 enctype="multipart/form-data"> 聽聽聽聽聽聽 File:<br> 聽聽聽聽聽聽 <input type="file" name="myfile"><br> 聽聽聽聽聽聽 <br> 聽聽聽聽聽聽 <input type="submit" name="submit" value="Commit"> 聽聽聽 </form> </body> </html> |
demo3.jsp
| <%@ page language="java" contentType="text/html; charset=GB18030" 聽聽聽 pageEncoding="GB18030"%> <%@ page import="org.apache.commons.fileupload.*"%> <%@ page import="org.apache.commons.fileupload.servlet.*"%> <%@ page import="org.apache.commons.fileupload.disk.*"%> <%@ page import="java.util.*"%> <%@ page import="java.io.*"%> <!DOCTYPE HTML PUBLIC "-//W 3C //DTD HTML 4.01 Transitional//EN"> <% 聽聽聽 File uploadPath = new File("D://temp");//涓婁紶鏂囦欢鐩綍 聽聽聽 if (!uploadPath.exists()) { 聽聽聽聽聽聽 uploadPath.mkdirs(); 聽聽聽 } 聽聽聽 // 涓存椂鏂囦欢鐩綍 聽聽聽 File tempPathFile = new File("d://temp//buffer//"); 聽聽聽 if (!tempPathFile.exists()) { 聽聽聽聽聽聽 tempPathFile.mkdirs(); 聽聽聽 } 聽聽聽 try { 聽聽聽聽聽聽 // Create a factory for disk-based file items 聽聽聽聽聽聽 DiskFileItemFactory factory = new DiskFileItemFactory(); 聽聽聽聽聽聽 // Set factory constraints 聽聽聽聽聽聽 factory.setSizeThreshold(4096); // 璁剧疆缂撳啿鍖哄ぇ灏忥紝杩欓噷鏄?b 聽聽聽聽聽聽 factory.setRepository(tempPathFile);//璁剧疆缂撳啿鍖虹洰褰? 聽聽聽聽聽聽 // Create a new file upload handler 聽聽聽聽聽聽 ServletFileUpload upload = new ServletFileUpload(factory); 聽聽聽聽聽聽 // Set overall request size constraint 聽聽聽聽聽聽 upload.setSizeMax(4194304); // 璁剧疆鏈?澶ф枃浠跺昂瀵革紝杩欓噷鏄?B 聽聽聽聽聽聽 List<FileItem> items = upload.parseRequest(request);//寰楀埌鎵?鏈夌殑鏂囦欢 聽聽聽聽聽聽 Iterator<FileItem> i = items.iterator(); 聽聽聽聽聽聽 while (i.hasNext()) { 聽聽聽聽聽聽聽聽聽聽 FileItem fi = (FileItem) i.next(); 聽聽聽聽聽聽聽聽聽聽 String fileName = fi.getName(); 聽聽聽聽聽聽聽聽聽聽 if (fileName != null ) { 聽聽聽聽聽聽 File fullFile = new File(fi.getName()); 聽聽聽聽聽聽 File savedFile = new File(uploadPath, fullFile 聽聽聽聽聽聽聽聽聽聽聽聽聽 .getName()); 聽聽聽聽聽聽 fi.write(savedFile); 聽聽聽聽聽聽聽聽聽聽 } 聽聽聽聽聽聽 } 聽聽聽聽聽聽 out.print("upload succeed"); 聽聽聽 } catch (Exception e) { 聽聽聽聽聽聽 e.printStackTrace(); 聽聽聽 } %> <html> <head> <meta http-equiv="Content-Type" content="text/html; charset=GB18030"> <title>File upload</title> </head> <body> </body> </html> |
鍒╃敤Servlet鏉ュ疄鐜版枃浠朵笂浼犮?? Upload.java
| package com.zj.sample; import java.io.File; import java.io.IOException; import java.util.Iterator; import java.util.List; import javax.servlet.ServletException; import javax.servlet.http.HttpServlet; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import org.apache.commons.fileupload.FileItem; import org.apache.commons.fileupload.disk.DiskFileItemFactory; import org.apache.commons.fileupload.servlet.ServletFileUpload; @SuppressWarnings("serial") public class Upload extends HttpServlet { 聽聽聽 private String uploadPath = "D://temp"; // 涓婁紶鏂囦欢鐨勭洰褰? 聽聽聽 private String tempPath = "d://temp//buffer//"; // 涓存椂鏂囦欢鐩綍 聽聽聽 File tempPathFile; 聽聽聽 @SuppressWarnings("unchecked") 聽聽聽 public void doPost(HttpServletRequest request, HttpServletResponse response) 聽聽聽聽聽聽聽聽聽聽 throws IOException, ServletException { 聽聽聽聽聽聽 try { 聽聽聽聽聽聽聽聽聽聽 // Create a factory for disk-based file items 聽聽聽聽聽聽聽聽聽聽 DiskFileItemFactory factory = new DiskFileItemFactory(); 聽聽聽聽聽聽聽聽聽聽 // Set factory constraints 聽聽聽聽聽聽聽聽聽聽 factory.setSizeThreshold(4096); // 璁剧疆缂撳啿鍖哄ぇ灏忥紝杩欓噷鏄?b 聽聽聽聽聽聽聽聽聽聽 factory.setRepository(tempPathFile);// 璁剧疆缂撳啿鍖虹洰褰? 聽聽聽聽聽聽聽聽聽聽 // Create a new file upload handler 聽聽聽聽聽聽聽聽聽聽 ServletFileUpload upload = new ServletFileUpload(factory); 聽聽聽聽聽聽聽聽聽聽 // Set overall request size constraint 聽聽聽聽聽聽聽聽聽聽 upload.setSizeMax(4194304); // 璁剧疆鏈?澶ф枃浠跺昂瀵革紝杩欓噷鏄?B 聽聽聽聽聽聽聽聽聽聽 List<FileItem> items = upload.parseRequest(request);// 寰楀埌鎵?鏈夌殑鏂囦欢 聽聽聽聽聽聽聽聽聽聽 Iterator<FileItem> i = items.iterator(); 聽聽聽聽聽聽聽聽聽聽 while (i.hasNext()) { 聽聽聽聽聽聽聽聽聽聽聽聽聽 FileItem fi = (FileItem) i.next(); 聽聽聽聽聽聽聽聽聽聽聽聽聽 String fileName = fi.getName(); 聽聽聽聽聽聽聽聽聽聽聽聽聽 if (fileName != null ) { 聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 File fullFile = new File(fi.getName()); 聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 File savedFile = new File(uploadPath, fullFile.getName()); 聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 fi.write(savedFile); 聽聽聽聽聽聽聽聽聽聽聽聽聽 } 聽聽聽聽聽聽聽聽聽聽 } 聽聽聽聽聽聽聽聽聽聽 System.out.print("upload succeed"); 聽聽聽聽聽聽 } catch (Exception e) { 聽聽聽聽聽聽聽聽聽聽 // 鍙互璺宠浆鍑洪敊椤甸潰 聽聽聽聽聽聽聽聽聽聽 e.printStackTrace(); 聽聽聽聽聽聽 } 聽聽聽 } 聽聽聽 public void init() throws ServletException { 聽聽聽聽聽聽 File uploadFile = new File(uploadPath); 聽聽聽聽聽聽 if (!uploadFile.exists()) { 聽聽聽聽聽聽聽聽聽聽 uploadFile.mkdirs(); 聽聽聽聽聽聽 } 聽聽聽聽聽聽 File tempPathFile = new File(tempPath); 聽聽聽 聽聽聽 if (!tempPathFile.exists()) { 聽聽聽聽聽聽聽聽聽聽 tempPathFile.mkdirs(); 聽聽聽聽聽聽 } 聽聽聽 } } |
demo4.html
| <html> <head> 聽聽聽 <meta http-equiv="Content-Type" content="text/html; charset=GB18030"> 聽聽聽 <title>File upload</title> </head> <body> // action="fileupload"瀵瑰簲web.xml涓?lt;servlet-mapping>涓?lt;url-pattern>鐨勮缃? 聽聽聽 <form name="myform" action="fileupload" method="post" 聽聽聽聽聽聽 enctype="multipart/form-data"> 聽聽聽聽聽聽 File:<br> 聽聽聽聽聽聽 <input type="file" name="myfile"><br> 聽聽聽聽聽聽 <br> 聽聽聽聽聽聽 <input type="submit" name="submit" value="Commit"> 聽聽聽 </form> </body> </html> |
web.xml
| <servlet> 聽聽聽 <servlet-name>Upload</servlet-name> 聽聽聽 <servlet-class>com.zj.sample.Upload</servlet-class> </servlet> <servlet-mapping> 聽聽聽 <servlet-name>Upload</servlet-name> 聽聽聽 <url-pattern>/fileupload</url-pattern> </servlet-mapping> |
鏈枃鍑鸿嚜 鈥滃瓙 瀛戔??鍗氬锛岃鍔″繀淇濈暀姝ゅ嚭澶刪ttp://zhangjunhd.blog.51cto.com/113473/18331
![搭建httpd服务[图]](data:image/gif;base64,R0lGODlhAQABAIAAAP///wAAACwAAAAAAQABAAACAkQBADs=)