image.png
UploadServlet
package com.baozi;
import java.io.IOException;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.Part;
import java.io.PrintWriter;
import javax.servlet.annotation.MultipartConfig;
@WebServlet("/UploadServlet")
@MultipartConfig()
public class UploadServlet extends HttpServlet {
private static final long serialVersionUID = 1L;
protected void doPost(HttpServletRequest request,
HttpServletResponse response) throws ServletException, IOException {
response.setContentType("text/html;charset=UTF-8");
PrintWriter out = response.getWriter();
Part part = request.getPart("file1");
String submittedFileName = part.getSubmittedFileName();
System.out.println("submittedFileName: "+submittedFileName);
System.out.println("ContentType: "+part.getContentType());
System.out.println("Size: "+part.getSize());
String header=part.getHeader("content-disposition");
int index=header.lastIndexOf("\\");
System.out.println("content-disposition: "+header);
System.out.println(header);
String s=header.substring(index,header.length()-1);
System.out.println(s);
part.write("D:/workspace/upload"+s);
out.write("文件上传成功");
}
}
upload.jsp
<%@ page language="java" contentType="text/html; charset=utf-8"
pageEncoding="utf-8"%>
<!DOCTYPE html>
<html>
<head>
<meta charset="utf-8">
<title>文件上传</title>
</head>
<body>
<form action="UploadServlet" enctype="multipart/form-data" method="post">
选择文件<input type="file" name="file1" id="file1">
<input type="submit" name="upload" value="上传"/>
</form>
</body>
</html>
Console output:
submittedFileName: G:Downloadslivev4.mp4
ContentType: video/mp4
Size: 5365661
content-disposition: form-data; name="file1"; filename="G:\Downloads\livev\4.mp4"
form-data; name="file1"; filename="G:\Downloads\livev\4.mp4"
\4.mp4
