1 <%--
2 Created by IntelliJ IDEA.
3 User: Administrator
4 Date: 2016/10/6
5 Time: 14:20
6 To change this template use File | Settings | File Templates.
7 --%>
8 <%@ page contentType="text/html;charset=UTF-8" language="java" %>
9 <html>
10 <head>
11 <title>upload</title>
12 </head>
13 <body>
14 <form method="post" action="/upload" enctype="multipart/form-data">
15 文件名：<input type="text" id="name" name="name"><br/>
16 选择文件：<input type="file" id="file" name="file"><br/>
17 <input type="submit" value="上传">
18 </form>
19 </body>
20 </html>
1 package sanglp.servlet;
2
3 import javax.servlet.ServletException;
4 import javax.servlet.annotation.MultipartConfig;
5 import javax.servlet.annotation.WebServlet;
6 import javax.servlet.http.HttpServlet;
7 import javax.servlet.http.HttpServletRequest;
8 import javax.servlet.http.HttpServletResponse;
9 import javax.servlet.http.Part;
10 import java.io.IOException;
11 import java.io.PrintWriter;
12 import java.util.Collection;
13
14 /**
15 * Created by Administrator on 2016/10/6.
16 */
17 @WebServlet(name = "upload",urlPatterns = {"/upload"})
18 @MultipartConfig
19 public class UploadServlet extends HttpServlet {
20 @Override
21 protected void service(HttpServletRequest req, HttpServletResponse resp) throws ServletException, IOException {
22 //super.service(req, resp);
23 resp.setContentType("text/html;charset=GBK");
24 PrintWriter out=resp.getWriter();
25 //获取普通请求参数
26 String fileName=req.getParameter("name");
27 //获取上传文件的上传域
28 Part part=req.getPart("file");
29 out.println("上传文件的类型为"+part.getContentType()+"<br/>");
30 out.println("上传文件的大小为"+part.getSize()+"<br/>");
31 //获取文件上传的Header Name
32 Collection<String> headerNames=part.getHeaderNames();
33 for(String headerName:headerNames){
34 out.println(headerName+"-->"+part.getHeader(headerName)+"<br/>");
35 }
36 //将上传的文件写入服务器
37 part.write(getServletContext().getRealPath("/uploadFiles")+"/"+fileName);
38 }
39 }
