保利威视polyv的Api调用

╰半夏微凉° 2022-12-27 02:14 133阅读 0赞

# 官方接口文档 #

https://dev.polyv.net/2017/videoproduct/v-api/v-api-vmanage/v-api-vmanage-info/get-video-msg/

# 我的服务器调用 #

// polyv 提供的服务器间的通讯验证
        private String userid = "";
        // polyv 提供的接口调用签名访问的key
        private String secretkey = "";
        
    	// 保利威视服务端Api
        /** 获取单个视频信息 */
        public String queryVideoInfoUrl = "http://api.polyv.net/v2/video/" + userid + "/get-video-msg";
    
        /** * 获取签名 * * @param maps 参数集合 * @param secureKey api接口密钥 * @return String 签名 * @throws Exception 异常信息 */
        private static String getSign(Map<String, String> maps, String secureKey) throws Exception { 
            List<String> keys = new ArrayList<>(maps.keySet());
            List<String> tmp = new ArrayList<>();
            Collections.sort(keys);
            for (String key : keys) { 
                if (null != maps.get(key) && maps.get(key).length() > 0) { 
                    tmp.add(key + "=" + maps.get(key));
                }
            }
            String join = String.join("&", tmp) + secureKey;
            return getSha1(join);
        }
    
        /** * 生成SHA1加密 * * @param input 连接的参数名与参数值,并在尾部加上secretKey * @return String SHA1加密 * @throws NoSuchAlgorithmException 异常信息 */
        private static String getSha1(String input) throws NoSuchAlgorithmException { 
            MessageDigest mDigest = MessageDigest.getInstance("SHA1");
            byte[] result = mDigest.digest(input.getBytes(StandardCharsets.UTF_8));
            StringBuilder sb = new StringBuilder();
            for (int b : result) { 
                sb.append(Integer.toString((b & 0xff) + 0x100, 16).substring(1));
            }
            return sb.toString().toUpperCase();
        }
    
        /** * 时间（00:00:00）转换为秒 * * @param time 时间00:00:00 * @return Integer 秒数 */
        private Integer timeConvertSecond(String time) { 
            int second = 0;
            String[] split = time.split(":");
            try { 
                int hour = Integer.parseInt(split[0]);
                int minute = Integer.parseInt(split[1]);
                second = Integer.parseInt(split[2]);
                if(hour > 0){ 
                    second += hour * 60 * 60;
                }if( minute > 0){ 
                    second += minute * 60;
                }
            } catch (NumberFormatException e) { 
                e.printStackTrace();
            }
            return second;
        }
    
        /** * 获取单个视频信息 * * @param vid 视频ID * @return VideoInfoModel 视频信息 */
        public Object queryVideoInfo(String vid) throws Exception { 
            // 获取签名
            Map<String, String> params = new HashMap<>();
            long ptime = System.currentTimeMillis();
            params.put("ptime", Long.toString(ptime));
            params.put("vid", vid);
            params.put("format", "json");
            String sign = getSign(params, secretkey);
            // 请求参数
            Map<String, Object> param = new HashMap<>();
            param.put("vid", vid);
            param.put("ptime", Long.toString(ptime));
            param.put("sign", sign);
            param.put("format", "json");
            // 发送请求(huTool)
            String post = HttpUtil.post(queryVideoInfoUrl, param);
            Map<String, Object> mapParam = JSONObject.parseObject(post);
            List list = (List) mapParam.get("data");
            return list.get(0);
        }
    
        /** * 获取单个视频时长 * * @param vid 视频ID * @return 秒数 */
        public JSONObject queryVideoDuration(String vid) throws Exception { 
            JSONObject data = (JSONObject) queryVideoInfo(vid);
            String time = (String) data.get("duration");
            Integer second = timeConvertSecond(time);
            JSONObject timeData = new JSONObject();
            timeData.put("duration", time);
            timeData.put("second", second);
            return timeData;
        }