/**
* 根据文件输入流,和文件名称下载文件
* @param resp HttpServletResponse
* @param file 供下载的文件
* @param file_name 所显示的下载文件名称
*/
public void FileDownLoad(HttpServletResponse resp ,File file, String file_name) {
try {
String fileName = new String(file_name.getBytes("GBK"), "ISO8859_1");
resp.setContentType("application;charset=utf-8"); // 指定文件的保存类型。
resp.setHeader("Content-disposition", "attachment; filename="+ fileName);
ServletOutputStream oupstream = resp.getOutputStream();
FileInputStream from = new FileInputStream(file);
byte[] buffer = new byte[catchSize];
int bytes_read;
while ((bytes_read = from.read(buffer)) != -1) {
oupstream.write(buffer, 0, bytes_read);
}
oupstream.flush();
} catch (Exception e) {
}
}
这个是服务器端文件下载工具类 题主可以试试,望采纳