/// <summary>
/// 创建一个 下载节点;
/// </summary>
/// <param name="exData">追加内容,对应类型解;</param>
public DownLoadPack(string strUrl, DownLoadAssetInfo downLoadInfo, DownLoadAssetType assetType, DownLoadCallBack funCallBack, object exData, bool debugError)
{
m_DownLoadAssetInfo = downLoadInfo;
m_AssetType = assetType;
m_CallBack = funCallBack;
m_exData = exData;
m_strUrl = strUrl;
m_AssetRefer = 1;
m_DebugError = debugError;
}
/// <summary>
/// 下载文件
/// </summary>
/// <param name="url">下载地址</param>
/// <param name="localPath">本地地址</param>
/// <param name="complite">完成回调</param>
public void downLoadFile(String url, String localPath, DownLoadCallBack complite)
{
new Thread(new ThreadStart(() =>
{
try
{
WebClient client = new WebClient();
client.DownloadFile(url, localPath);
if (File.Exists(localPath))
{
complite(true);
}
else
{
complite(false);
}
}
catch
{
complite(false);
}
})).Start();
}
/// <summary>
/// 下载文件 进度显示
/// </summary>
/// <param name="URL">下载地址</param>
/// <param name="filename">下载路径</param>
/// <param name="progress">下载进度</param>
/// <param name="callBack">完成回调</param>
public void DownloadFile(string URL, string filename, DownloadProgress progress, DownLoadCallBack callBack)
{
float percent = 0;
Console.WriteLine(URL);
try
{
lock (dowloadLock)
{
if (downloadUrls.Contains(URL))
{
return;
}
downloadUrls.Add(URL);
}
System.Net.HttpWebRequest Myrq = (System.Net.HttpWebRequest)System.Net.HttpWebRequest.Create(URL);
System.Net.HttpWebResponse myrp = (System.Net.HttpWebResponse)Myrq.GetResponse();
long totalBytes = myrp.ContentLength;
System.IO.Stream st = myrp.GetResponseStream();
System.IO.Stream so = new System.IO.FileStream(filename, System.IO.FileMode.Create);
long totalDownloadedByte = 0;
byte[] by = new byte[1024];
int osize = st.Read(by, 0, (int)by.Length);
var date = DateTime.Now;
GC.AddMemoryPressure(totalBytes);
while (osize > 0)
{
totalDownloadedByte = osize + totalDownloadedByte;
System.Windows.Forms.Application.DoEvents();
so.Write(by, 0, osize);
osize = st.Read(by, 0, (int)by.Length);
var sp = DateTime.Now - date;
date = DateTime.Now;
if (sp.Seconds > 1)
{
percent = (float)totalDownloadedByte / (float)totalBytes * 100;
if (progress != null)
{
Console.WriteLine(percent + "=================================" + filename);
progress(percent);
}
}
}
so.Close();
st.Close();
if (callBack != null)
{
callBack(true);
}
lock (dowloadLock)
{
downloadUrls.Remove(URL);
}
}
catch
{
callBack(false);
lock (dowloadLock)
{
downloadUrls.Remove(URL);
}
}
}
