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 }
