package cn.szusst.aqms.action.common;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
/**
-
Servlet implementation class ServletDownload
*/
@WebServlet(asyncSupported = true, urlPatterns = { "/ServletDownload" })
public class ServletDownload extends HttpServlet {
private static final long serialVersionUID = 1L;/**
- @see HttpServlet#HttpServlet()
*/
public ServletDownload() {
super();
// TODO Auto-generated constructor stub
}
/**
-
@see HttpServlet#doGet(HttpServletRequest request, HttpServletResponse response)
*/
protected void doGet(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
response.setContentType("application/x-msdownload");
// TODO Auto-generated method stub//获得请求文件名
String filename = request.getParameter("filename");
//设置文件MIME类型response.setContentType(getServletContext().getMimeType(filename));
//设置Content-Disposition
response.setHeader("Content-Disposition", "attachment;filename="+filename);
//读取目标文件，通过response将目标文件写到客户端
//获取目标文件的绝对路径
// //读取文件OutputStream out = response.getOutputStream();
String fullFileName = filename;
InputStream in = new FileInputStream(fullFileName);
//写文件
int b;
while((b=in.read())!= -1)
{
out.write(b);
}in.close();
// out.close();
}
/**
- @see HttpServlet#doPost(HttpServletRequest request, HttpServletResponse response)
*/
protected void doPost(HttpServletRequest request, HttpServletResponse response) throws ServletException, IOException {
// TODO Auto-generated method stub
}
- @see HttpServlet#HttpServlet()
*/
}
