static void Main(string[] args) { //当遇到某个事情外循环做一遍,而另外一个事情内循环做N遍 //for循环的嵌套 for (int i = 0; i <=10; i++) { for (int j = 0; j <=10; j++) { Console.WriteLine("我是内循环{0},我是外循环{1}", i, j); break; } } Console.ReadKey(); }