servlet下载文件文件

使用servlet来下载文件

下载的文件excel表格

package servlets;

import java.io.FileInputStream;
import java.io.OutputStream;

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

public class FileDownload extends HttpServlet {
	public void doGet(HttpServletRequest request, HttpServletResponse response) {
		try {
		        //要下载的文件类型是xls表格
			String fname = "test.xls";
			
			//对字符编码进行设置，用来支持中文的文件名
			response.setCharacterEncoding("UTF-8");
			fname = java.net.URLEncoder.encode(fname, "UTF-8");
			
			response.setHeader("Content-Disposition", "attachment; filename="+fname);
			response.setContentType("application/msexcel");// 定义输出类型			
		} catch (Exception e) {
			System.out.println(e);
		}
	}
}