文件保存在某個文件夾中，利用jsp直接下載

在頁面中點擊鏈接直接下載文件

response.setContentType("application/x-download");//設置爲下載application/x-download
String
filedownload =filepath;//即將下載的文件的相對路徑
String filedisplay =
filename;//下載文件時顯示的文件保存名稱
String filenamedisplay =
URLEncoder.encode(filedisplay,"UTF-8");
response.addHeader("Content-Disposition","attachment;filename="
+ filenamedisplay);
try
{
    RequestDispatcher dis =
application.getRequestDispatcher(filedownload);
    if(dis!= null)
   
{
        dis.forward(request,response);
    }
   
response.flushBuffer();
}
catch(Exception e)
{
   
e.printStackTrace();
}
finally
{   
}