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  • 格式化字符串

    格式化字符

    格式化字符            描述

    f或F            格式化浮点数

    e或E            用指数计数法格式化数字

    p或P            格式化百分数

    n或N            用逗号分隔符格式化数字

    c或C            格式化本地货币值

    d或D            格式化十进制数

    g或G            用浮点数或指数计数法格式化数字

    x或X            将浮点数转化为十六进制

    {0,6}格式化变量中0指第一个变量,6表示显示宽度

    /*
      Example2_15.cs illustrates formatting numbers
    */

    class Example2_15
    {

        public static void Main()
        {

            // formatting integers
            int myInt = 12345;
            int myInt2 = 67890;
            System.Console.WriteLine("myInt = {0, 6}, myInt2 = {1, 5}",
              myInt, myInt2);
            System.Console.WriteLine("myInt using 10:d = {0, 10:d}",
              myInt);
            System.Console.WriteLine("myInt using 10:x = {0, 10:x2}",
              myInt);

            // formatting floating-point numbers
            double myDouble = 1234.56789;
            System.Console.WriteLine("myDouble using 10:f3 = {0, 10:f3}",
              myDouble);
            float myFloat = 1234.56789f;
            System.Console.WriteLine("myFloat using 10:f3 = {0, 10:f3}",
              myFloat);
            decimal myDecimal = 1234.56789m;
            System.Console.WriteLine("myDecimal using 10:f3 = {0, 10:f3}",
              myDecimal);
            System.Console.WriteLine("myFloat using 10:e3 = {0, 10:e3}",
              myFloat);
            System.Console.WriteLine("myFloat using 10:p2 = {0, 10:p2}",
              myFloat);
            System.Console.WriteLine("myFloat using 10:n2 = {0, 10:n2}",
              myFloat);
            System.Console.WriteLine("myFloat using 10:g2 = {0, 10:g2}",
              myFloat);

            // formatting currency values
            decimal myMoney = 15123.45m;
            System.Console.WriteLine("myMoney using 10:c2 = {0, 10:c2}",
              myMoney);
            string i = System.Console.ReadLine();
        }

    }

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  • 原文地址:https://www.cnblogs.com/djcsch2001/p/2035673.html
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