public void download_file_test()
{
var param = new DownloadParameter
{
Url = "http://mp3.baidu.com/j?j=2&url=http%3A%2F%2Fzhangmenshiting2.baidu.com%2Fdata2%2Fmusic%2F1975289%2F1975289.mp3%3Fxcode%3Dca40cf05e05d213005efbff149ebffea",
FilePath = @"c:\bad_day.mp3"
};
NetworkUtility.DownloadFile(param);
}
private static void DonwloadMp3(string downloadPath, string downUrl, string song, string singer)
{
var downDirectory = string.IsNullOrEmpty(singer) ? string.Format("{0}\\Music", downloadPath)
: string.Format("{0}\\Music\\{1}", downloadPath, singer);
if (!Directory.Exists(downDirectory))
Directory.CreateDirectory(downDirectory);
var filePath = string.Format("{0}\\{1}.mp3", downDirectory, song);
var downPara = new DownloadParameter
{
FilePath = filePath,
Url = downUrl
};
NetworkUtility.DownloadFile(downPara);
}
/// <summary>
/// ������Ƶ�ļ�
/// </summary>
public static bool DownloadFile(DownloadParameter para)
{
//�������ٵ�Tick
Int32 privateTick = 0;
//�������ݰ���С = 1KB
var buffer = new byte[1024];
var request = HttpWebRequest.Create(para.Url);
var response = request.GetResponse();
para.TotalLength = response.ContentLength; //�ļ�����
#region ����ļ��Ƿ����ع�
//���Ҫ���ص��ļ�����
if (File.Exists(para.FilePath))
{
var filelength = new FileInfo(para.FilePath).Length;
//����ļ�������ͬ
if (filelength == para.TotalLength)
{
//�������سɹ�
return true;
}
}
#endregion
para.DoneBytes = 0; //����ֽ���
para.LastTick = Environment.TickCount; //ϵͳ����
Stream st, fs; //���������ļ���
BufferedStream bs; //������
int t, limitcount = 0;
//ȷ�����峤��
if (GlobalSettings.GetSettings().CacheSizeMb > 256 || GlobalSettings.GetSettings().CacheSizeMb < 1)
GlobalSettings.GetSettings().CacheSizeMb = 1;
//��ȡ������
using (st = response.GetResponseStream())
{
//���ļ���
using (fs = new FileStream(para.FilePath, FileMode.Create, FileAccess.Write, FileShare.Read, 8))
{
//ʹ�û�����
using (bs = new BufferedStream(fs, GlobalSettings.GetSettings().CacheSizeMb*1024))
{
//��ȡ��һ������
var osize = st.Read(buffer, 0, buffer.Length);
//��ʼѭ��
while (osize > 0)
{
#region �ж��Ƿ�ȡ������
//����û���ֹ��false
if (para.IsStop)
{
//�ر���
bs.Close();
st.Close();
fs.Close();
return false;
}
#endregion
//����������ֽ���
para.DoneBytes += osize;
//д�ļ�(����)
bs.Write(buffer, 0, osize);
//����
if (GlobalSettings.GetSettings().SpeedLimit > 0)
{
//���ؼ�����һcount++
limitcount++;
//����1KB
osize = st.Read(buffer, 0, buffer.Length);
//�ۻ���limit KB��
if (limitcount >= GlobalSettings.GetSettings().SpeedLimit)
{
t = Environment.TickCount - privateTick;
//����Ƿ����һ��
if (t < 1000) //���С��һ����ȴ���һ��
Thread.Sleep(1000 - t);
//����count�ͼ�ʱ������������
limitcount = 0;
privateTick = Environment.TickCount;
}
}
else //���������
{
osize = st.Read(buffer, 0, buffer.Length);
}
} //end while
} //end bufferedstream
} // end filestream
} //end netstream
//һ��˳������true
return true;
}
/// <summary>
/// ������Ļ�ļ�
/// </summary>
public static bool DownloadSub(DownloadParameter para)
{
try
{
//���绺��(100KB)
var buffer = new byte[102400];
var request = HttpWebRequest.Create(para.Url);
var response = request.GetResponse();
//��ȡ������
var st = response.GetResponseStream();
if (!para.UseDeflate)
{
//���ļ���
using (var so = new FileStream(para.FilePath, FileMode.Create, FileAccess.ReadWrite, FileShare.Read, 8))
{
//��ȡ����
var osize = st.Read(buffer, 0, buffer.Length);
while (osize > 0)
{
//�����
so.Write(buffer, 0, osize);
osize = st.Read(buffer, 0, buffer.Length);
}
}
}
else
{
//deflate��ѹ��
var deflate = new DeflateStream(st, CompressionMode.Decompress);
using (var reader = new StreamReader(deflate))
{
File.WriteAllText(para.FilePath, reader.ReadToEnd());
}
}
//�ر���
st.Close();
//һ��˳������true
return true;
}
catch
{
//��������False
return false;
}
}
public void Execute(CommandContext context)
{
var parameters = context.CommandParameter.Split('|');
if (parameters.Length == 0)
throw new ArgumentNullException();
var user = string.Empty;
var count = 0;
var sendToEmail = false;
switch (parameters.Length)
{
case 1:
user = parameters[0].Trim();
break;
case 2:
user = parameters[0].Trim();
count = Convert.ToInt32(parameters[1].Trim());
break;
case 3:
user = parameters[0].Trim();
count = Convert.ToInt32(parameters[1].Trim());
if (parameters[2].Trim() == "1")
sendToEmail = true;
break;
}
SendComment(context, string.Format("#PCң����# ��ʼΪ������Instagram���û� {0} ����Ƭ��ͼƬ�п��ܺܶ࣬�����ĵȺ���", user));
var graber = new InstagramGraber();
var images = graber.Grab(user, count);
var downDirectory = string.Format("{0}\\Instagram\\{1}", context.DownloadPath, user);
if (!Directory.Exists(downDirectory))
Directory.CreateDirectory(downDirectory);
var downPara = new DownloadParameter();
var files = new List<string>();
foreach (var image in images)
{
var index = image.LastIndexOf("/");
var fileName = image.Substring(index);
downPara.FilePath = string.Format("{0}\\{1}", downDirectory, fileName);
downPara.Url = image;
if(File.Exists(downPara.FilePath))
continue;
NetworkUtility.DownloadFile(downPara);
files.Add(downPara.FilePath);
}
var page = files.Count/100 + 1;
if(sendToEmail)
{
for (var i = 0; i < page; i++)
{
var filesToSend = files.Take(100).Skip(i*100).ToArray();
SendPhotoByEmail(context, filesToSend);
}
}
SendComment(context, string.Format("��Ƭ������ɡ�����һ��������{0}����Ƭ��", images.Count));
}