downloadservlet.java

自己用JSP做的文件上传和下载组件

package shen.servlet;

import java.io.IOException;
import java.io.PrintWriter;

import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import shen.service.FileService;
import shen.service.IFileService;

public class DownloadServlet extends HttpServlet
{
	public void doGet(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException
	{

		String name = request.getParameter("fileName");
		// 获得服务器端下载文件存放目录路径
		String dir = this.getServletContext().getRealPath("/upload");
		
		FileService service = new FileService();
		service.download(response, dir, name);
	}

	public void doPost(HttpServletRequest request, HttpServletResponse response)
			throws ServletException, IOException
	{
		this.doGet(request, response);
	}
	
	
}