多线程操作简单实例
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public class Demo
{
//defined thread and space
private Thread thOne;
private Thread thTwo;
private ArrayList strList;
private string strThName = string.Empty;
public StringBuilder sbText = new StringBuilder();
private event EventHandler OnNumberClear;//define event on task is done
public void LoadThread()
{
Random random = new Random(1000000);
strList = new ArrayList(1000);
for (int i = 0; i < 1000; i++)
{
strList.Add(random.Next().ToString());
}
thOne = new Thread(new ThreadStart(Run));
thTwo = new Thread(new ThreadStart(Run));
thOne.Name = "th1";
thTwo.Name = "th2";
OnNumberClear += new EventHandler(OnTaskDone);
}
//start the two thread
public void Action()
{
thOne.Start();
thTwo.Start();
}
//the same task of two threads
public void Run()
{
string str = null;
while (true)
{
Monitor.Enter(this);//lock,keep sync
str = (string)strList[0];
string temp = "";
//System.Web.HttpContext.Current.Response.Write(Thread.CurrentThread.Name + "deleted " + str +"<br>");
if (Thread.CurrentThread.Name != "th1")
{
strThName = Thread.CurrentThread.Name;
temp = "<strong>" + Thread.CurrentThread.Name +"</strong>";
}
else temp = Thread.CurrentThread.Name;
sbText.Append(temp + " deleted " + str + "," + (strList.Count - 1).ToString() + "left.<br>");
strList.RemoveAt(0);
if (strList.Count == 0)
{
OnNumberClear(this, new EventArgs());
}
Monitor.Exit(this);
Thread.Sleep(5);
}
}
public void OnTaskDone(object sender,EventArgs e)
{
//System.Web.HttpContext.Current.Response.Write("remove all thread<br>");
sbText.Append("remove all thread<br>");
thOne.Abort();
thTwo.Abort();
}
public Demo()
{
LoadThread();
Action();
}
}
//impletation
// Response.Write(demo.sbText.ToString());
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