Esempio n. 1
0
        public List <DownLoadInfo> Execute(List <SpecialList> specialList, string savePath)
        {
            List <DownLoadInfo> downList = new List <DownLoadInfo>();

            foreach (var item in specialList)
            {
                string url = $"https://cloud.alilo.com.cn/baby/api/t/external/getSpecialInfo?id={item.id}";

                string    result    = HttpClinetHelper.DoPost(url, null);
                ApiResult apiResult = new ApiResult();
                apiResult = JsonConvert.DeserializeAnonymousType(result, apiResult);
                if (apiResult.msg == "成功")
                {
                    foreach (var items in apiResult.content.musicList)
                    {
                        DownLoadInfo downLoadInfo = new DownLoadInfo();
                        string       Path         = string.Empty;
                        string       tempPath     = string.Empty;
                        tempPath = $"{savePath}/{item.classname}/{item.name}";
                        if (!Directory.Exists(tempPath))
                        {
                            Directory.CreateDirectory(tempPath);
                        }
                        Path = $"{tempPath}/{items.name}";
                        downLoadInfo.Path      = Path;
                        downLoadInfo.MusicPath = items.path;
                        downList.Add(downLoadInfo);
                    }
                }
                ;
            }
            return(downList);
        }
Esempio n. 2
0
        public event EventHandler <OnErrorEventArgs> OnError;         //出错事件
        /// <summary>
        /// 文件下载
        /// </summary>
        private void DownLoad(DownLoadInfo downLoad)
        {
            string ext        = string.Empty;
            var    fileName   = Path.GetFileName(downLoad.MusicPath);
            var    fileSuffix = fileName.Split('.');

            if (fileName.Contains("mp3"))
            {
                ext = fileSuffix.FirstOrDefault(e => e.Contains("mp3"));
            }
            else
            {
                ext = "mp3";
            }
            downLoad.Path = Path.Combine($"{downLoad.Path}.{ext}");
            try
            {
                if (this.OnStart != null)
                {
                    OnStart(this, new OnStartEventArgs(new Uri(downLoad.MusicPath)));
                }
                var watch = new Stopwatch();
                watch.Start();
                using (WebClient client = new WebClient())
                {
                    client.DownloadFile(downLoad.MusicPath, downLoad.Path);
                }
                watch.Stop();
                var threadId     = System.Threading.Thread.CurrentThread.ManagedThreadId; //获取当前任务线程ID
                var milliseconds = watch.ElapsedMilliseconds;                             //获取请求执行时间
                if (this.OnCompleted != null)
                {
                    this.OnCompleted(this, new OnCompletedEventArgs(downLoad.MusicPath, threadId, milliseconds));
                }
            }
            catch (Exception ex)
            {
                if (this.OnError != null)
                {
                    this.OnError(this, new OnErrorEventArgs(downLoad.MusicPath, ex));
                }
            }
        }
Esempio n. 3
0
        public string Start(List <DownLoadInfo> list)
        {
            var pathsCount = list.Count;    //资源总数
                                            // 计算编译线程数量
            int threadCount = pathsCount % Number100 == 0 ? pathsCount / Number100 : pathsCount / Number100 + 1;

            if (threadCount > MaxThreadCount)
            {
                threadCount = MaxThreadCount;
            }
            int threadPqgeSize = (pathsCount / threadCount) + 1;
            int typeSum        = 0;
            List <DownLoadParams> parameters = new List <DownLoadParams>(threadCount);

            DownLoadInfo[] downloadParam = null;
            DownLoadParams downLoadParams = null;
            int            index, endSize = 0;;

            for (int i = 0; i < threadCount; i++)
            {
                downLoadParams = new DownLoadParams();
                endSize        = threadPqgeSize * (i + 1);
                if (endSize > pathsCount)
                {
                    var a = threadPqgeSize + pathsCount - endSize;
                    downloadParam = new DownLoadInfo[threadPqgeSize + pathsCount - endSize];
                    endSize       = pathsCount;
                }
                else
                {
                    downloadParam = new DownLoadInfo[threadPqgeSize];
                }
                index = 0;
                for (int j = typeSum; j < endSize; j++)
                {
                    downloadParam[index++] = list[j];
                }
                downLoadParams.downLoadInfo = downloadParam;
                typeSum += downloadParam.Count();
                parameters.Add(downLoadParams);
            }
            // 创建编译线程
            List <Thread> threads = new List <Thread>(threadCount);

            for (int i = 1; i < threadCount; i++)
            {
                Thread thread = new Thread(DownLoadDork);
                thread.IsBackground = true;
                thread.Name         = "DownloadThread #" + i.ToString();
                threads.Add(thread);
                thread.Start(parameters[i]);
            }
            // 重用当前线程:为当前线程指派下载任务。
            DownLoadDork(parameters[0]);

            // 等待所有的下载线程执行线束。
            foreach (Thread thread in threads)
            {
                thread.Join();
            }
            return("下载完成");
        }