C# 异步编程，async与await的简单学习

class Program
    {
        static void Main(string[] args)
        {
            //PaintBody();
            //PaintBodyAsync();
            Console.WriteLine("End");
        }    

 static async Task PaintBodyAsync()
        {
            Console.WriteLine("Header");
            //就是遇到awaIt,这里面的东西不会阻塞，继续执行
            await Task.Run(() =>
            {
                //System.Threading.Thread.Sleep(1000);//线程不管是否睡眠，都是先执行其他方法
                Console.WriteLine("Body"); 
            });
            Console.WriteLine("Footer");

        }

        static void PaintBody()
        {
            Console.WriteLine("Header");
            System.Threading.Thread.Sleep(1000);
            Console.WriteLine("Body");        
            Console.WriteLine("Footer");

        }
    }