C#中的用法:"
static void Main(string[] args)
{
string name = "波波";
int age = 18;
string str = string.Format("my name is{0}, I'm {1} years old", name, age);
string str2 = $"my name is{name}, I'm {age} years old";
string str3 = string.Format("Today is {0:D}", DateTime.Now);
string str4 = $"Today is {DateTime.Now:D}";
Console.WriteLine($"{str}");
Console.WriteLine($"{str2}");
Console.WriteLine($"{str3}");
Console.WriteLine($"{str4}");
Console.ReadKey();
}
运行结果: