upgradefilelist.jsp
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<%@ page language="java" pageEncoding="UTF-8" import="weaver.general.*,java.io.*,java.net.*,weaver.hrm.*"%>
<%
User user = HrmUserVarify.getUser (request , response) ;
if(user == null) return ;
String downloadtype = request.getParameter("downloadtype");
String label = request.getParameter("label");
String logfile = "";
if(downloadtype.equals("add")) {
logfile = GCONST.getRootPath()+"sysupgradelog"+File.separatorChar+"filedetail"+File.separatorChar+"add"+label+".txt";
} else {
logfile = GCONST.getRootPath()+"sysupgradelog"+File.separatorChar+"filedetail"+File.separatorChar+"update"+label+".txt";
}
//rs.executeSql("select operationdate from ecologyuplist where operationdate is not null order by operationdate desc");
//if(rs.next()) {
// currentDate = rs.getString("operationdate");
//}
// path是指欲下载的文件的路径。
File file = new File(logfile);
if(file.exists()) {
// 取得文件名。
try {
String filename = file.getName();
// 以流的形式下载文件。
InputStream fis = new BufferedInputStream(new FileInputStream(logfile));
byte[] buffer = new byte[fis.available()];
fis.read(buffer);
response.reset();
// 设置response的Header
response.addHeader("Content-Disposition", "attachment;filename=" + URLEncoder.encode(filename,"UTF-8"));
response.addHeader("Content-Length", "" + file.length());
response.setContentType("application/octet-stream;charset=UTF-8");
BufferedOutputStream toClient = new BufferedOutputStream(response.getOutputStream());
toClient.write(buffer);
toClient.flush() ;
fis.close();
toClient.close();
response.flushBuffer();
} catch (IOException ex) {
ex.printStackTrace();
}
}
%>