public static void fetchUserStatus(string userName, int topMax)
{
// 找到用户名对应的文件
string filePath = pathUserList;
// 找到用户最新的微博ID
long max = long.MinValue;
Serializer rr = new Serializer(false);
if(File.Exists(filePath))
{
rr.ReadStream(filePath);
Status ts = (Status)rr.ReadNextObject();
while (ts != null)
{
if (max < long.Parse(ts.ID)) max = long.Parse(ts.ID);
ts = (Status)rr.ReadNextObject();
}
rr.CloseStream();
}
// 抓用户最新的微博
Crawler cr = new Crawler();
List<Status> ls = cr.getUserStatusByUserName(userName, topMax, 1);
rr.WriteStream(filePath);
foreach (Status s in ls)
{
// 如果是最新的就写入到记录文件中
if (max < long.Parse(s.ID))
{
rr.WriteObject(s);
Console.WriteLine(s.ID);
}
}
rr.CloseStream();
}
public static void keepWatchingPhotos(string userName, int watchLength)
{
Crawler cr = new Crawler();
int i = 0;
// 每小时限制150次API，每24秒一次call
while (true)
{
Console.WriteLine(DateTime.Now + " Watching..." + ++i);
List<Status> ls = cr.getUserStatusByUserName(userName, watchLength);
foreach (Status s in ls) Downloader.getStatusPictures(s, "../_Data/Pictures");
Thread.Sleep(24000);
}
}