break 跳出当前循环

//break

            //int i = 1;

            //while(i<=10){

            //    Console.WriteLine("hello world");

            //    i++;

            //    break;

 

            //}

            //Console.ReadKey();

 

            //break跳出当前循环

            //int i = 1;

            //int j = 1;

            //while(i<=10){

            //    while (j <=10 )

            //    {

            //        Console.WriteLine("我是里面的循环");

            //        j++;

            //        break;

            //    }

            //    Console.WriteLine("我是外面的循环");

            //    i++;

            //}

            //Console.ReadKey();

            //break一般不单独使用，而是跟着if判断一起使用，表示当满足一定条件的时候就不在循环了

            //

            //

            string name = "";

            string pwd = "";

            while(name!="admin" ||pwd!="888888"){

                Console.WriteLine("请输入您的用户名");

                name = Console.ReadLine();

                Console.WriteLine("请输入您的密码");

                pwd = Console.ReadLine();

            }

            Console.WriteLine("您已登录成功");

            Console.ReadKey();