public static BaseTaker factory(string name)
{
BaseTaker taker = null;
if (string.Equals(name, "weibo"))
{
taker = new WeiboTaker();
}
else if (string.Equals(name, "twitter"))
{
taker = new TwitterTaker();
}
else if (string.Equals(name, "twitter2"))
{
taker = new TwitterTaker2();
}
else if (string.Equals(name, "twitter3"))
{
taker = new TwitterTaker3();
}
else
{
taker = new TwitterTaker2();
}
return(taker);
}
private void button4_Click(object sender, EventArgs e)
{
BaseTaker taker = BaseTaker.factory(takerKind);
taker.setCookie(cookie);
taker.setProxy(proxy);
taker.setUid(uid);
taker.setInterval(interval);
taker.setTopCount(topCount);
server.StartOnce(taker);
}
public void start()
{
BaseTaker taker = BaseTaker.factory(takerKind);
taker.setCookie(cookie);
taker.setUid(uid);
taker.setInterval(interval);
taker.setTopCount(topCount);
taker.setProxy(proxy);
server.Start(taker);
Win32Api.SystemUnsleepLock();
}
/// <summary>
/// 开始轮询抓取工作
/// </summary>
/// <param name="taker"></param>
public void Start(BaseTaker taker)
{
flag = 1;
this.taker = taker;
countdown = taker.Interval;
if (thread != null)
{
try
{
thread.Abort();
}catch (Exception)
{
}
thread = null;
}
thread = new Thread(new ThreadStart(run));
thread.Start();
}
/// <summary>
/// 异步执行一次抓取任务
/// </summary>
/// <param name="taker"></param>
public void StartOnce(BaseTaker taker)
{
if (this.taker == null)
{
this.taker = taker;
}
if (onceWork == null)
{
onceWork = new BackgroundWorker();
onceWork.WorkerReportsProgress = false; // 设置可以通告进度
onceWork.WorkerSupportsCancellation = true; // 设置可以取消
onceWork.DoWork += new DoWorkEventHandler(new DoWorkEventHandler(doWorkFunc));
}
//new Thread(new ThreadStart(runOnce)).Start() ;
//onceWork.CancelAsync();
if (!onceWork.IsBusy)
{
onceWork.RunWorkerAsync();
}
}
