download.jsp

来自「jwp是 JSP WebProject的简写。它是一个基于Web的应用程序。它编」· JSP 代码 · 共 27 行

<%
    response.setDateHeader("Expires", 0);
	response.setHeader("Pragma", "no-cache");
	response.setHeader("Cache-Control", "no-cache,must-revalidate");
%>
<%@page
	contentType="text/html; charset=iso-8859-1"
	import="java.sql.*, java.util.*, java.util.Date, java.text.*, jdebertshaeuser.beans.webproject.*"
	errorPage="errorpage.jsp"
    isThreadSafe="false"
%>
<%
	if(request.getParameter("doc") != null)
	{
		Document d = new Document();
		d.get(request.getParameter("doc"));
		
		response.setContentType(d.getMime());
		response.setHeader("Content-type", d.getMime());
		response.setHeader("Content-Disposition", "attachment; filename="+d.getFilename());

        ServletOutputStream os = response.getOutputStream();
		os.write(d.getDocument());
		os.flush();
		os.close();
	}
%>