1.下载jar
http://www.sauronsoftware.it/projects/jave/download.php
2.将下载的jar加入到项目中
3.代码
@RequestMapping(value = "uploadBatchFile",method = RequestMethod.POST) @ResponseBody public Object uploadBatchFile(@RequestParam(value = "file", required = false) MultipartFile file, HttpServletRequest request) throws IOException, InterruptedException { HttpSession session = request.getSession(); // "/upload"是你自己定义的上传目录 // linux 下的路径 // String temp = session.getServletContext().getRealPath("/upload"); // window 下的路径 String temp = session.getServletContext().getRealPath("\\upload"); File tempDir = new File(temp); if (!tempDir.exists()){ tempDir.mkdir(); } File copyFilePath = new File(tempDir,file.getOriginalFilename()); file.transferTo(copyFilePath); //文件存储路径 // linux -- /data/wwwroot/video.xiaoxiao.cool/upload/f20cd0d0a6154f2dce2c7059a8a62167.mp4 // window -- E:\\IdeaProjects\\video_film\\target\\demo\\upload\\f20cd0d0a6154f2dce2c7059a8a62167.mp4 // linux // String tempFilePath = temp + "/" + file.getOriginalFilename(); // window String tempFilePath = temp + "\\" + file.getOriginalFilename(); long size = getSize(tempFilePath); System.err.println("时长 : " + size); //获取完时长,如果使用的是oss存储,则需要将服务器上的文件删除,减少存储空间 copyFilePath.delete(); Map map = Maps.newHashMap(); map.put("tempDir",temp); map.put("tempFilePath",tempFilePath); map.put("size",size); return JsonData.success(map) ; }
//获取时长的方法 单位秒
//url - 视频的绝对路径
long getSize(String url){ File source = new File(url); Encoder encoder = new Encoder(); long sum =0; try { MultimediaInfo m = encoder.getInfo(source); sum = m.getDuration()/1000; } catch (Exception e) { e.printStackTrace(); } System.out.println(sum); return sum; }