public void exportCSVFile(
HttpServletResponse response, ResultSet rs,String fileName,String headers) throws SQLException {
OutputStream o = null;
try {
// String headers = "用户名, 操作时间, 操作模块, 操作内容";// 标题
headers += "
";
List<Log> logList = new ArrayList<Log>();
Log logs = null;
while (rs.next()) {
logs = new Log();
logs.setUser(rs.getString(1));
logs.setDatetime(rs.getString(2));
logs.setModule(rs.getString(3));
logs.setContent(rs.getString(4));
logList.add(logs);
}
if (logList.size() > 0) {
for (int i = 0; i < logList.size(); i++) {
Log logs1 = logList.get(i);
headers += logs1.getUser() + ",";
headers += logs1.getDatetime() + ",";
headers += logs1.getModule() + ",";
headers += logs1.getContent();
headers += "
";
}
Date d = new Date();
SimpleDateFormat sdf = new SimpleDateFormat("yyyyMMddHHmmss");
String dateNowStr = sdf.format(d);
// String fileNames = "导出操作日志数据" + dateNowStr+".csv";
String fileNames = fileName + dateNowStr+".csv";
System.out.println(fileNames);
response.setContentType("application/download;charset=GBK");
response.setContentType("Content-type:application/vnd.ms-excel;charset=GBK");
response.setHeader("Content-Disposition", "attachment;filename="
+ new String(fileNames.getBytes("utf-8"), "iso8859-1"));// 设置头信息
o = response.getOutputStream();
o.write(headers.toString().getBytes("GBK"));
}
} catch (IOException e) {
e.printStackTrace();
} finally {
if (o != null) {
try {
o.close();
} catch (IOException e) {
// TODO Auto-generatedcatch block
e.printStackTrace();
}
}
}
}
String headers = "用户名, 操作时间, 操作模块, 操作内容";// 标题
String fileName = "导出操作日志数据";
exportCSVFile(response, rs, fileName, headers);
----------------------------------------------
前几天，做的导出csv文件，有个bug,如果服，务器是linux，部署到服务器上就不能导出，后来查出，是导出到了服务器，没有下载到浏览器，
用这个方法，要注意，字节流和字符流的冲突问题；
response.getOutputStream();
PrintWriter out = response.getWriter();
可以将提示写在前台；只用字节流