private void DownLoadDork(object obj)
{
DownLoadParams dparm = obj as DownLoadParams;
foreach (var item in dparm.TrafficGroupParam)
{
try
{
Download(item);
}
catch (Exception ex)
{
string path = $"{AppDomain.CurrentDomain.BaseDirectory}/errorInfo.txt";
StreamWriter sw = new StreamWriter(path, true);
sw.WriteLine(ex.ToString());
sw.Close();//写入读取的数据
}
}
}
/// <summary>
/// 下载方法（读取传入对象）
/// </summary>
/// <param name="paramList"></param>
/// <param name="success"></param>
/// <param name="fail"></param>
public void Execute(List <TrafficGroupParam> paramList)
{
var fileInfo = paramList.GroupBy(e => e.PlateNo).Select(e => new GroupFileInfo
{
FileName = e.Key,
TrafficGroupParamList = e.ToList()
}).ToList();
string baseDirectory = AppDomain.CurrentDomain.BaseDirectory;
if (paramList.Count < 1)
{
throw new Exception("没有要导出的文件！");
}
foreach (var item in fileInfo)
{
string tempPath = string.IsNullOrEmpty(item.TrafficGroupParamList[0].SavePath) == true ? baseDirectory : item.TrafficGroupParamList[0].SavePath;
tempPath = Path.Combine(tempPath, item.FileName);
if (!Directory.Exists(tempPath))
{
Directory.CreateDirectory(tempPath);
}
//如果小于或等于容器大小.则无需开启线程编译
DownLoadParams downloadParam = null;
var pathsCount = item.TrafficGroupParamList.Count;//图片数量，用于判断是否启用多线程
if (pathsCount <= Number100)
{
downloadParam = new DownLoadParams()
{
TrafficGroupParam = item.TrafficGroupParamList.ToArray()
};
DownLoadDork(downloadParam);
}
else
{
// 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;
// 为每个线程准备调用参数
List <DownLoadParams> parameters = new List <DownLoadParams>(threadCount);
TrafficGroupParam[] trafficGroupParam = null;
int index, endSize = 0;;
for (int i = 0; i < threadCount; i++)
{
downloadParam = new DownLoadParams();
endSize = threadPqgeSize * (i + 1);
if (endSize > pathsCount)
{
trafficGroupParam = new TrafficGroupParam[threadPqgeSize + pathsCount - endSize];
endSize = pathsCount;
}
else
{
trafficGroupParam = new TrafficGroupParam[threadPqgeSize];
}
index = 0;
for (int j = typeSum; j < endSize; j++)
{
trafficGroupParam[index++] = item.TrafficGroupParamList[j];
}
downloadParam.TrafficGroupParam = trafficGroupParam;
parameters.Add(downloadParam);
}
// 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();
}
}
}
//success = tempSuccess;
//fail = tempFail;
}