isoビデオを再開する必要があります

<span style="font-family: Arial, Helvetica, sans-serif;">@RequestMapping(value="/player",method=RequestMethod.GET)</span>

	public void player2(HttpServletRequest request,HttpServletResponse response){
	   String path  = "";//文件路径
	   BufferedInputStream bis = null;
	   try {
	       File file = new File(path);
	       if (file.exists()) {
	           long p = 0L;
	           long toLength = 0L;
	           long contentLength = 0L;
	           int rangeSwitch = 0; // 0,从头开始的全文下载；1,从某字节开始的下载（bytes=27000-）；2,从某字节开始到某字节结束的下载（bytes=27000-39000）
	           long fileLength;
	           String rangBytes = "";
	           fileLength = file.length();
	           // get file content
	           InputStream ins = new FileInputStream(file);
	           bis = new BufferedInputStream(ins);
	           // tell the client to allow accept-ranges
	           response.reset();
	           response.setHeader("Accept-Ranges", "bytes");
	           // client requests a file block download start byte
	           String range = request.getHeader("Range");
	           if (range != null && range.trim().length() > 0 && !"null".equals(range)) {
	               response.setStatus(javax.servlet.http.HttpServletResponse.SC_PARTIAL_CONTENT);
	               rangBytes = range.replaceAll("bytes=", "");
	               if (rangBytes.endsWith("-")) {  // bytes=270000-
	                   rangeSwitch = 1;
	                   p = Long.parseLong(rangBytes.substring(0, rangBytes.indexOf("-")));
	                   contentLength = fileLength - p;  // 客户端请求的是270000之后的字节（包括bytes下标索引为270000的字节）
	               } else { // bytes=270000-320000
	                   rangeSwitch = 2;
	                   String temp1 = rangBytes.substring(0, rangBytes.indexOf("-"));
	                   String temp2 = rangBytes.substring(rangBytes.indexOf("-") + 1, rangBytes.length());
	                   p = Long.parseLong(temp1);
	                   toLength = Long.parseLong(temp2);
	                   contentLength = toLength - p + 1; // 客户端请求的是 270000-320000 之间的字节
	               }
	           } else {
	               contentLength = fileLength;
	           }
	           // 如果设设置了Content-Length，则客户端会自动进行多线程下载。如果不希望支持多线程，则不要设置这个参数。
	           // Content-Length: [文件的总大小] - [客户端请求的下载的文件块的开始字节]
	           response.setHeader("Content-Length", new Long(contentLength).toString());
	           // 断点开始
	           // 响应的格式是:
	           // Content-Range: bytes [文件块的开始字节]-[文件的总大小 - 1]/[文件的总大小]
	           if (rangeSwitch == 1) {
	               String contentRange = new StringBuffer("bytes ").append(new Long(p).toString()).append("-")
	                       .append(new Long(fileLength - 1).toString()).append("/")
	                       .append(new Long(fileLength).toString()).toString();
	               response.setHeader("Content-Range", contentRange);
	               bis.skip(p);
	           } else if (rangeSwitch == 2) {
	               String contentRange = range.replace("=", " ") + "/" + new Long(fileLength).toString();
	               response.setHeader("Content-Range", contentRange);
	               bis.skip(p);
	           } else {
	               String contentRange = new StringBuffer("bytes ").append("0-")
	                       .append(fileLength - 1).append("/")
	                       .append(fileLength).toString();
	               response.setHeader("Content-Range", contentRange);
	           }
	 
	           String fileName = file.getName();
	           response.setContentType("application/octet-stream");
	           response.addHeader("Content-Disposition", "attachment;filename=" + fileName);
	 
	           OutputStream out = response.getOutputStream();
	           int n = 0;
	           long readLength = 0;
	           int bsize = 1024;
	           byte[] bytes = new byte[bsize];
	           if (rangeSwitch == 2) {
	               // 针对 bytes=27000-39000 的请求，从27000开始写数据                    
	               while (readLength <= contentLength - bsize) {
	                   n = bis.read(bytes);
	                   readLength += n;
	                   out.write(bytes, 0, n);
	               }
	               if (readLength <= contentLength) {
	                   n = bis.read(bytes, 0, (int) (contentLength - readLength));
	                   out.write(bytes, 0, n);
	               }                   
	           } else {
	               while ((n = bis.read(bytes)) != -1) {
	                   out.write(bytes,0,n);                                                      
	               }                   
	           }
	           out.flush();
	           out.close();
	           bis.close();
	       } else {
	                          
	       }
	   } catch (Exception ie) {
	       // 忽略 ClientAbortException 之类的异常
	   }
	}