1 using System; 2 using System.Collections.Generic; 3 using System.Linq; 4 using System.Text; 5 6 namespace ConsoleApplication5 7 { 8 class Program 9 { 10 static void Main(string[] args) 11 { 12 float i = 44.44f;//不能隐式地将 Double 类型转换为“float”类型;请使用“F”后缀创建此类型 13 float j = 12.7f; 14 //{0,8:C2},0为占位符,8为字符宽度,C为货币格式,2为小数位数; 15 Console.WriteLine("{0,8:C2}\n+{1,7:C2}\n---------\n{2,8:C2}", i, j, i + j); 16 } 17 } 18 }