<?xml version="1.0" encoding="UTF-8"?>
<web-app version="2.5"
xmlns="http://java.sun.com/xml/ns/javaee"
xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
xsi:schemaLocation="http://java.sun.com/xml/ns/javaee
http://java.sun.com/xml/ns/javaee/web-app_2_5.xsd">
<welcome-file-list>
<welcome-file>index.jsp</welcome-file>
</welcome-file-list>
<servlet>
<servlet-name>FileUpload</servlet-name>
<servlet-class>servlets.FileUpload</servlet-class>
</servlet>
<servlet-mapping>
<servlet-name>FileUpload</servlet-name>
<url-pattern>/FileUpload</url-pattern>
</servlet-mapping>
</web-app>
<%@ page language="java" import="java.util.*" pageEncoding="gb2312"%>
<%
String path = request.getContextPath();
String basePath = request.getScheme()+"://"+request.getServerName()+":"+request.getServerPort()+path+"/";
%>
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
<html>
<head>
<base href="<%=basePath%>">
<title>文件上传</title>
<meta http-equiv="pragma" content="no-cache">
<meta http-equiv="cache-control" content="no-cache">
<meta http-equiv="expires" content="0">
<meta http-equiv="keywords" content="keyword1,keyword2,keyword3">
<meta http-equiv="description" content="This is my page">
<!--
<link rel="stylesheet" type="text/css" href="styles.css">
-->
</head>
<body>
<form method="post" action="FileUpload" ENCTYPE="multipart/form-data">
文件：<input type="file" name="file">
<input type="submit" value="上传" name="submit">
</form>
</body>
</html>
package servlets;
import java.io.File;
import java.io.IOException;
import java.io.PrintWriter;
import java.util.Iterator;
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.FileItemFactory;
import org.apache.commons.fileupload.disk.DiskFileItemFactory;
import org.apache.commons.fileupload.servlet.ServletFileUpload;
public class FileUpload extends HttpServlet{
@Override
protected void doPost(HttpServletRequest req, HttpServletResponse resp)
throws ServletException, IOException {
// TODO Auto-generated method stub
// TODO Auto-generated method stub
boolean isMultipart = ServletFileUpload.isMultipartContent(req);
if(isMultipart){
FileItemFactory factory = new DiskFileItemFactory();
ServletFileUpload upload = new ServletFileUpload(factory);
Iterator items;
try {
items = upload.parseRequest(req).iterator();
while(items.hasNext()){
FileItem item = (FileItem) items.next();
if(!item.isFormField()){
//取出上传文件的文件名称
String name = item.getName();
String fileName = name.substring(name.lastIndexOf("\\")+1, name.length());
//String path = req.getRealPath("file") + File.separatorChar + fileName;
String path = "D:\\" + fileName;
//上传文件
File uploadedFile = new File(path);
item.write(uploadedFile);
//打印上传成功信息
resp.setContentType("text/html");
resp.setCharacterEncoding("gb2312");
PrintWriter out = resp.getWriter();
out.print("<font size='2'>上传的文件为："+ name + "<br>");
out.print("保存地址为："+path+"</font>");
}
}
} catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
}
}
}
}
