file_down.jsp - ( a 태그 download 속성으로 대체 가능 ) > MODEL

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<%@page import="java.net.URLEncoder"%>

<%@ page contentType="text/html;charset=UTF-8"%>

<%@ page import="java.io.File"%>

<%@ page import="java.io.*"%>

<%

String fileName = request.getParameter("file_name");

String savePath = "upload";

ServletContext context = getServletContext();

String sDownloadPath = context.getRealPath(savePath);

String sFilePath = sDownloadPath + "\\" + fileName;

byte b[] = new byte[4096];

FileInputStream in = new FileInputStream(sFilePath);

String sMimeType = getServletContext().getMimeType(sFilePath);

System.out.println("sMimeType>>>" + sMimeType);

if (sMimeType == null)

sMimeType = "application/octet-stream";

response.setContentType(sMimeType);

String agent = request.getHeader("User-Agent");

boolean ieBrowser = (agent.indexOf("MSIE") > -1) || (agent.indexOf("Trident") > -1);

if (ieBrowser) {

fileName = URLEncoder.encode(fileName, "UTF-8").replaceAll("\\+", "%20");

} else {

fileName = new String(fileName.getBytes("UTF-8"), "iso-8859-1");

}

response.setHeader("Content-Disposition", "attachment; filename= " + fileName);

ServletOutputStream out2 = response.getOutputStream();

int numRead;

while ((numRead = in.read(b, 0, b.length)) != -1) {

out2.write(b, 0, numRead);

}

out2.flush();

out2.close();

in.close();

%>