JAVA去除抖音视频的水印源码！！！

@PostMapping("geturl") public DataResponse decodeDouiyin(@RequestBody DouyinRequest req ) throws IOException{ DataResponse dataResponse=new DataResponse(); //String url1 ="#在抖音，记录美好生活#是你，是你，还是你！ http://v.douyin.com/xj4Agk/ 复制此链接，打开【抖音短视频】，直接观看视频！"; //过滤链接，获取http连接地址 String finalUrl = decodeHttpUrl(req.getData().getLinkUrl()); //1.利用Jsoup抓取抖音链接 //抓取抖音网页 String htmls = Jsoup.connect(finalUrl).ignoreContentType(true).execute().body(); //2.利用正则匹配可以抖音下载链接 //playAddr: "https://aweme.snssdk.com/aweme/v1/playwm/?video_id=v0200ffc0000bfil6o4mavffbmroeo80&line=0", //具体匹配内容格式：「https://aweme.snssdk.com/aweme/...line=0」 Pattern patternCompile = Pattern.compile("(?<=playAddr: \")https?://.+(?=\",)"); //利用Pattern.compile("正则条件").matcher("匹配的字符串对象")方法可以将需要匹配的字段进行匹配封装 返回一个封装了匹配的字符串Matcher对象 //3.匹配后封装成Matcher对象 Matcher m = patternCompile.matcher(htmls); //4.①利用Matcher中的group方法获取匹配的特定字符串 ②利用String的replace方法替换特定字符,得到抖音的去水印链接 String matchUrl =""; while(m.find()) { matchUrl = m.group().replaceAll("playwm", "play"); } //5.将链接封装成流 //注:由于抖音对请求头有限制,只能设置一个伪装手机浏览器请求头才可实现去水印下载 Map<String, String> headers = new HashMap<>(); headers.put("Connection", "keep-alive"); headers.put("Host", "aweme.snssdk.com"); headers.put("User-Agent", "Mozilla/5.0 (iPhone; CPU iPhone OS 12_1_4 like Mac OS X) AppleWebKit/605.1.15 (KHTML, like Gecko) Mobile/16D57 Version/12.0 Safari/604.1"); headers.put("Content-Encoding","gzip"); //7.利用Joup获取视频对象,并封装成一个输入流对象 //BufferedInputStream in = Jsoup.connect(matchUrl).headers(headers).timeout(10000).ignoreContentType(true).execute().bodyStream(); ).headers(headers).timeout().ignoreContentType(true).execute().bodyAsBytes(); String filename=req.getSign()+".mp4"; //UploadUtil.uploadFile(filename,in); //8.保存文件到指定位置 File fileParent= new File("/home/ftpimages/images/"); fileParent.setWritable(true, false); if(!fileParent.exists()){ fileParent.mkdirs(); } File file= new File("/home/ftpimages/images/"+filename); file.createNewFile(); BufferedOutputStream out = new BufferedOutputStream( new FileOutputStream(file)); //copyFile(in,out); ,ins.length); out.flush(); out.close(); //in.close(); dataResponse.setVideoUrl("/images/"+filename); return dataResponse; }