1.日期说法时区不同所取到的值也不同, 多个国的服务器要注意这个玩意

DateTime newDate = DateTime.Now;
Console.WriteLine(newDate.ToString());
Console.WriteLine(newDate.ToString(CultureInfo.InstalledUICulture));//根据当前操作系统,时区选择
Console.WriteLine(newDate.ToString("00", CultureInfo.InvariantCulture));

2.代理方法, 参数函数化 , 哦原来这就是代理呀!

 1 class Program
 2 {
 3         Main方法
 4         static void Main(string[] args)
 5         {
 6             @Class3 obj1 = new Class3();
 7             var num1 = 123;
 8             var num2 = 456;
 9             var str = obj1.subFun(delegate (int aa)
10             {
11                 return num1 + num2 + aa;
12             });
13 
14             Console.WriteLine(str);
15         }
16 }
17 
18 public class @Class3
19 {
20 
21     public string subFun(Func<int, int> funcName)
22     {
23         var aa = 1;
24         int cc = funcName(aa);
25         return cc.ToString();
26     }
27 }
View Code

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