private void DownLoadDork(object obj)
{
DownLoadParams dparm = obj as DownLoadParams;
foreach (var item in dparm.downLoadInfo)
{
DownLoad(item);
}
}
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");
}
