c#动态类型Dynamic

需引用System.Dynamic命名空间

来源：https://www.geek-share.com/detail/2502854480.html

dynamic Customer = new ExpandoObject();
Customer.Name = "Lucy";
Customer.Age = 20;
Customer.Female = true;
Console.WriteLine(Customer.Name + Customer.Age + Customer.Female);
Console.ReadKey();

//
static class Calculator {
public static T Add<T>(T t1, T t2) {
dynamic d1 = t1;
dynamic d2 = t2;

return (T)(d1 + d2);
}
}

public static void Main(string[] args){
int i = Calculator.Add(1, 2);
double d = Calculator.Add(1.1, 2.2);
string s = Calculator.Add("abc", "def");
Console.WriteLine(i + " " + d + " " + s);
//3  3.3  abcdef
}