private void button1_Click(object sender, EventArgs e)
{
if (button1.Text.Equals("插入数据"))
{
tokenSource = new CancellationTokenSource();
token = tokenSource.Token;
button1.Text = "停止插入";
ThreadPool.QueueUserWorkItem(p =>
{
List <Task> tasks = new List <Task>();
TaskFactory factory = new TaskFactory();
for (int i = 0; i < 5; i++)
{
Task task = factory.StartNew(() =>
{
while (true)
{
token.ThrowIfCancellationRequested();
Student stu = new Student()
{
Name = Names[new Random().Next() % Names.Count()] +
Names[new Random().Next(DateTime.Now.Millisecond) % Names.Count()],
Age = new Random().Next() % 100
};
try
{
SqlHelper.Insert <Student>(stu, typeof(Student).Name);
IndexHelper.CreateInstance().InsertIndex(stu);
}
catch (Exception exception)
{
log.Error("Error:", exception);
}
}
});
tasks.Add(task);
}
try
{
Task.WaitAll(tasks.ToArray(), token);
}
catch
{
}
});
}
else
{
button1.Text = "插入数据";
tokenSource.Cancel();
IndexHelper.CreateInstance().MergeIndex();
}
}
public static IndexHelper CreateInstance()
{
Object obj = new Object();
lock (obj)
{
if (instance == null)
{
lock (obj)
{
instance = new IndexHelper();
}
}
}
return(instance);
}