package com.hongfei.servlet;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.PrintWriter;
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.FileUploadException;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
import com.hongfei.lister.UploadLister;
@SuppressWarnings("serial")
public class Upload extends HttpServlet {
/**
* Constructor of the object.
*/
public Upload() {
super();
}
/**
* Destruction of the servlet. <br>
*/
public void destroy() {
super.destroy(); // Just puts "destroy" string in log
// Put your code here
}
/**
* The doGet method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to get.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
public void doGet(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
out
.println("<!DOCTYPE HTML PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">");
out.println("<HTML>");
out.println(" <HEAD><TITLE>A Servlet</TITLE></HEAD>");
out.println(" <BODY>");
out.print(" This is ");
out.print(this.getClass());
out.println(", using the GET method");
out.println(" </BODY>");
out.println("</HTML>");
out.flush();
out.close();
}
/**
* The doPost method of the servlet. <br>
*
* This method is called when a form has its tag value method equals to post.
*
* @param request the request send by the client to the server
* @param response the response send by the server to the client
* @throws ServletException if an error occurred
* @throws IOException if an error occurred
*/
@SuppressWarnings({ "deprecation", "unchecked" })
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
com.hongfei.entity.Upload upload = new com.hongfei.entity.Upload();
UploadLister lister = new UploadLister(upload);
ServletFileUpload servletFileUpload = new ServletFileUpload(new DiskFileItemFactory());
//只是上传监听器
servletFileUpload.setProgressListener(lister);
request.getSession().setAttribute("upload", upload);
List list = null;
try {
list = servletFileUpload.parseRequest(request);
} catch (FileUploadException e) {
e.printStackTrace();
}
for(Iterator iter = list.iterator(); iter.hasNext();){
//得到文件对象
FileItem fileItem = (FileItem)iter.next();
//是表单才进行处理
if(fileItem.isFormField()){
break;
}
//同意linux和windows的路径分隔符
String name = fileItem.getName().replaceAll("/", "\\");
//得到文件名
int index = name.lastIndexOf("\\");
String fileFileName = "";
if(index == -1){
fileFileName = name;
}else{
fileFileName = name.substring(index + 1);
}
InputStream fileInputStream = fileItem.getInputStream();
String path = request.getRealPath("/upload");
//也可不用自己写实现方法直接使用,fileItem.write(uploadFile);
File uploadFile = new File(path,fileFileName);
//首先要确认路径是否存在
uploadFile.getParentFile().mkdirs();
//检查文件是否已经存在
if(!uploadFile.exists()){
//建立文件
uploadFile.createNewFile();
}
FileOutputStream out2 = new FileOutputStream(uploadFile);
//开始copy文件
@SuppressWarnings("unused")
int len = 0;//每次读取的字节数
byte[] bytes = new byte[1024];
while((len = fileInputStream.read(bytes, 0, bytes.length)) != -1){
out2.write(bytes);
}
out2.flush();
out2.close();
fileInputStream.close();
}
out.flush();
out.close();
}
/**
* Initialization of the servlet. <br>
*
* @throws ServletException if an error occurs
*/
public void init() throws ServletException {
// Put your code here
}
}
Java中使用Ajax，Jquery带进度条文件上传.rar （21个子文件） 
Upload .settings 
org.eclipse.wst.jsdt.ui.superType.name 6B org.eclipse.wst.jsdt.ui.superType.container 49B .jsdtscope 500B org.eclipse.jdt.core.prefs 330B src com hongfei servlet Upload.java 5KB AjaxServlet.java 3KB lister UploadLister.java 506B entity Upload.java 632B .project 1KB WebRoot upload META-INF MANIFEST.MF 36B WEB-INF web.xml 938B classes com hongfei servlet Upload.class 4KB AjaxServlet.class 3KB lister UploadLister.class 734B entity Upload.class 959B lib 
commons-io-2.0.1.jar 156KB commons-fileupload-1.2.2.jar 58KB js jquery-1.7.1.js 242KB upload.jsp 2KB .mymetadata 291B .classpath 528B .myeclipse 
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