@RequestMapping(value = "download")
public void download(String id, HttpServletRequest request, HttpServletResponse response) {
BaseMessage msg = null;
if (StringUtils.isBlank(id)) {
return;
}
Video video = videoService.queryVideo(id);
String path = video.getUrl();
String srcFolderPath = context.getRealPath("/") + path;
FileInputStream fis = null;
try {
fis = new FileInputStream(new File(srcFolderPath));
// 设置响应头和保存文件名
// response.setContentType("APPLICATION/OCTET-STREAM");
response.addHeader("Content-Length", new File(srcFolderPath).length() + "");
response.setHeader(
"Content-Disposition",
"attachment; filename=\"" + video.getName() + ".mp4" + "\""); // 写出流信息
int b = 0;
try {
OutputStream out = response.getOutputStream();
while ((b = fis.read()) != -1) {
out.write(b);
}
out.close();
out.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
}
}