package com.sevennight.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.sevennight.lister.UploadLister;
@SuppressWarnings("serial")
public class Upload extends HttpServlet {
public Upload() {
super();
}
public void destroy() {
super.destroy();
}
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();
}
@SuppressWarnings({ "deprecation", "unchecked" })
public void doPost(HttpServletRequest request, HttpServletResponse response)
throws ServletException, IOException {
response.setContentType("text/html");
PrintWriter out = response.getWriter();
com.sevennight.entity.Upload upload = new com.sevennight.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");
System.out.println("上传路径：----->"+path);
//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();
}
public void init() throws ServletException {
}
}
Java 文件上传带进度条源码
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2014-09-27
20:38:30
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收藏 228KB RAR 举报 
java文件上传带进度条源码.rar （21个子文件） 
TestUpload src com sevennight entity 
Upload.java 646B lister UploadLister.java 435B servlet AjaxServlet.java 2KB Upload.java 4KB .classpath 834B build classes com sevennight entity Upload.class 965B lister UploadLister.class 749B servlet AjaxServlet.class 3KB Upload.class 5KB .settings org.eclipse.wst.jsdt.ui.superType.container 49B org.eclipse.wst.common.project.facet.core.xml 345B org.eclipse.wst.jsdt.ui.superType.name 6B org.eclipse.wst.common.component 482B .jsdtscope 503B org.eclipse.jdt.core.prefs 364B WebContent js jquery-1.8.3.js 261KB index.jsp 2KB WEB-INF lib 
commons-io-1.4.jar 106KB commons-fileupload-1.2.1.jar 56KB web.xml 942B .project 1KB资源评论
huiyan08282014-11-24servlet的方法，对我的帮助不大。。。。
