相关疑难解决方法(0)

这就是我所知道的

str = String.Format("Her name is {0} and she's {1} years old", "Lisa", "10");

但我想要类似的东西

str = String("Her name is @name and she's @age years old");
str.addParameter(@name, "Lisa");
str.addParameter(@age, 10);