static void Main()
{
Gut <string> gut = new Gut <string>();
Dosomething <string> dosomething = new Dosomething <string>(gut.Tag);
Publisher <string> publisher = new Publisher <string>();
publisher.Reminder += dosomething;
publisher.Show("Wie geht es ihnen?");
}
static void Main(string[] args)
{
Calc calc = (a, b) => a + b;
Dosomething dosomething = () => {
WriteLine("Dosomthing");
};
WriteLine(calc(3, 4));
dosomething();
}
public DeleAndThread()
{
Console.WriteLine("****************************委托执行测试*****************************************");
var action2 = new Action<string, int>(Dosomething1);
action2("我是带参数的委托Action", 1);
var action3 = new Action(() => Dosomething1("", 0));
Expression<Func<int, int, int, int>> expr = (x, y, z) => (x + y) / z;
Console.WriteLine($"表达式Expression<Func<int, int, int, int>>执行结果:{expr.Compile()(1, 2, 3)}");
Dosomething method1 = t => Console.WriteLine($"我是实现委托的方法,{t}");
method1.Invoke("delegate");
Task<int> Act(int i) => new Asynctest().LoadCache(i);
Task<int> result = Act(10);
Console.WriteLine("************************异步委托*****************************");
result.ContinueWith(t => Console.WriteLine("异步调用完成后的最终返回计算结果为：{0}", t.Result.ToString()));
Func<string, string> method2 = GetSomething2;
string result1 = method2("xuesky");
//以下Core不支持
var s1 = method2.BeginInvoke("xuesky", t => Console.WriteLine($"异步回调,当前线程{Thread.CurrentThread.ManagedThreadId}"), "age");
//var result2 = method2.EndInvoke(s1);
//Console.WriteLine($"当前线程{Thread.CurrentThread.ManagedThreadId},异步返回值为{result1}");
//以下Core不支持
Func<string, int, (string, int)> method = GetSomething;
//var ss = method.BeginInvoke("xuesky", 1, t => Console.WriteLine($"异步回调,当前线程{Task.CurrentId}"), "age");
Console.WriteLine("************************多线程*****************************");
Task task = new Task(t => { Console.WriteLine($"我是多线程:{t},线程ID为:{Thread.CurrentThread.ManagedThreadId}"); }, 5);
task.Start();
var t1 = Task.Factory.StartNew(DoSomething);
var t2 = Task.Factory.StartNew(DoSomething);
var t3 = Task.Factory.StartNew(DoSomething);
var t4 = Task.Factory.StartNew(DoSomething);
var t5 = Task.Factory.StartNew(DoSomething);
var t6 = Task.Factory.StartNew(DoSomething);
Console.WriteLine("是否主动释放DbContext（y/n）");
var yes = Console.ReadLine();
Console.WriteLine("请输入模拟并发量");
var number = Console.ReadLine();
SemaphoreSlim sem = new SemaphoreSlim(int.Parse(number));
var j = 0;
while (j < 1000)
{
Console.WriteLine("启动第" + j++ + "个线程");
sem.Wait();
var t7 = new TaskFactory().StartNew(() =>
{
Console.WriteLine($"多线程执行，线程ID：{Thread.CurrentThread.ManagedThreadId}");
});
}
}
static void Main()
{
TrafficLight <int> trafficlight = new TrafficLight <int>();
Dosomething <int> dosomething = new Dosomething <int>(trafficlight.Show);
dosomething(4);
TrafficLight <string> trafficLight1 = new TrafficLight <string>();
Dosomething <string> dosomething1 = new Dosomething <string>(trafficLight1.Show);
dosomething1("Hello world");
}