LiveVideoImageQueryDemo.cs

using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Net.Http;

namespace Com.Netease.Is.Antispam.Demo
{
    class LiveVideoImageQueryDemo
    {
        public static void liveVideoQuery()
        {
            /** 产品密钥ID，产品标识 */
            String secretId = "your_secret_id";
            /** 产品私有密钥，服务端生成签名信息使用，请严格保管，避免泄露 */
            String secretKey = "your_secret_key";
            /** 业务ID，易盾根据产品业务特点分配 */
            String businessId = "your_business_id";
            /** 易盾反垃圾云服务直播音视频解决方案离线结果获取接口地址 */
            String apiUrl = "http://as.dun.163.com/v1/livevideo/query/image";
            Dictionary<String, String> parameters = new Dictionary<String, String>();

            long curr = (long)(DateTime.UtcNow - new DateTime(1970, 1, 1, 0, 0, 0, DateTimeKind.Utc)).TotalMilliseconds;
            String time = curr.ToString();

            // 1.设置公共参数
            parameters.Add("secretId", secretId);
            parameters.Add("businessId", businessId);
            parameters.Add("version", "v1");
            parameters.Add("timestamp", time);
            parameters.Add("nonce", new Random().Next().ToString());

            // 2.设置私有参数
            parameters.Add("taskId", "liz9lagl8ymv3tj0h3537l8g00409r6s");
            parameters.Add("pageNum", "1");
            parameters.Add("pageSize", "10");
            parameters.Add("levels", "[0,1,2]");
            parameters.Add("callbackStatus", "1"); // 详情查看官网CallbackStatus
            parameters.Add("orderType", "3"); // 详情查看官网LiveVideoOrderType

            // 3.生成签名信息
            String signature = Utils.genSignature(secretKey, parameters);
            parameters.Add("signature", signature);

            // 4.发送HTTP请求
            HttpClient client = Utils.makeHttpClient();
            String resultResponse = Utils.doPost(client, apiUrl, parameters, 10000);
            if(resultResponse != null)
            {
                JObject ret = JObject.Parse(resultResponse);
                int code = ret.GetValue("code").ToObject<Int32>();
                String msg = ret.GetValue("msg").ToObject<String>();
                if (code == 200)
                {
                    JObject result = ret.GetValue("result").ToObject<JObject>();
                    if(null == result){
                        Console.WriteLine("没有结果");
                    }else {
                        int status = result.GetValue("status").ToObject<Int32>();
                        JObject images = result.GetValue("images").ToObject<JObject>();
                        int count = images.GetValue("count").ToObject<Int32>();
                        JArray rows = (JArray)images.SelectToken("rows");
                        if(status == 0){
                            foreach (var item in rows){
                                JObject row = (JObject)item;
                                String url = null == row["url"] ? "" : row.GetValue("url").ToObject<String>();
                                int label = null == row["label"] ? 0 : row.GetValue("label").ToObject<Int32>();
                                int labelLevel = null == row["labelLevel"] ? 0 : row.GetValue("labelLevel").ToObject<Int32>();
                                int callbackStatus = null == row["callbackStatus"] ? 0 : row.GetValue("callbackStatus").ToObject<Int32>();
                                long beginTime = null == row["beginTime"] ? 0 : row.GetValue("beginTime").ToObject<long>();
                                long endTime = null == row["endTime"] ? 0 : row.GetValue("endTime").ToObject<long>();
                                Console.WriteLine(String.Format("url={0}, label={1}, labelLevel={2}, callbackStatus={3} [beginTime={4} -- endTime={5}], ", url, label, labelLevel, callbackStatus, beginTime, endTime));
                            }
                            Console.WriteLine(String.Format("live data query success, images: {0}", rows));
                        }else if(status == 20){
                            Console.WriteLine("taskId is expired");
                        }else if(status == 30){
                            Console.WriteLine("taskId is not exist");
                        }
                    }
                }
                else
                {
                    Console.WriteLine(String.Format("ERROR: code={0}, msg={1}", code, msg));
                }
            }
            else
            {
                Console.WriteLine("Request failed!");
            }
        }
    }
}