servlet3.0上傳文件demo

時間 2019-12-01

標籤 servlet3.0 servlet 上傳文件 demo 欄目 Tomcat 简体版

原文原文鏈接

web3upload.html

<!DOCTYPE html>
<html>
<head>
<meta charset="UTF-8">
<title>Insert title here</title>
</head>
<body>
	<form action="http://localhost:8080/study_web/UpLoadFile3"
		enctype="multipart/form-data" method="post">
		<input type="file" name="file1" /> <input type="submit"
			value="submit">
	</form>
</body>
</html>

UpLoadFile3.javahtml

package handler;

import java.io.IOException;
import java.util.Collection;

import javax.servlet.ServletException;
import javax.servlet.annotation.MultipartConfig;
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;

/**
 * Servlet implementation class UpLoadFile3
 */
@WebServlet("/UpLoadFile3")
@MultipartConfig(location="D:/")
public class UpLoadFile3 extends HttpServlet {
	private static final long serialVersionUID = 1L;

	/**
	 * @see HttpServlet#HttpServlet()
	 */
	public UpLoadFile3() {
		super();
	}

	/**
	 * @see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		doPost(request, response);
	}

	/**
	 * @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse
	 *      response)
	 */
	protected void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException {
		Collection<Part> parts=request.getParts();
		for (Part part : parts) {
			part.write("abc.txt");
		}
	}

}