download.jsp

jsp做的一个个人网站

<%@ page contentType="text/html;charset=GBK" import="java.io.*,java.net.*" errorPage="err.jsp"%>

<%
request.setCharacterEncoding("GBK");
String name=request.getParameter("name");
//out.print("1  "+name);
response.addHeader("Content-disposition","attachment;filename="+name);

name=URLDecoder.decode(new String(name.getBytes("ISO-8859-1"),"GBK"));
//out.print("2 "+name);
File file=new File(config.getServletContext().getRealPath("")+File.separator+"myweb"+File.separator+"music"+File.separator+name);

FileInputStream filein = new FileInputStream(file);

BufferedOutputStream bout =new BufferedOutputStream(response.getOutputStream());
byte[] b = new byte[512];
int n=0;
while((n=filein.read(b))!=-1)
{
     bout.write(b,0,n);
}
filein.close();
bout.close();

%>