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  • [转]C#数字格式化方法全面解析

    C#数字格式化输出:

    int a = 12345678;

    C#数字格式化之格式为sring输出

    Label1.Text = string.Format("asdfadsf{0}adsfasdf",a);

    Label2.Text = "asdfadsf"+a.ToString()+"adsfasdf";

    Label1.Text = string.Format("asdfadsf{0:C}adsfasdf",a);//asdfadsf¥1,234.00adsfasdf

    Label2.Text = "asdfadsf"+a.ToString("C")+"adsfasdf";//asdfadsf¥1,234.00adsfasdf

    double b = 1234.12543;

    int a = 12345678;

    C#数字格式化之格式为特殊的string样式输出

    Label1.Text = string.Format("asdfadsf{0:C}adsfasdf",b);//asdfadsf¥1,234.13adsfasdf

    Label2.Text = "asdfadsf"+b.ToString("C")+"adsfasdf";//asdfadsf¥1,234.13adsfasdf

    Label1.Text = string.Format("{0:C3}",b);//¥1,234.125

    Label2.Text = b.ToString("C3");//¥1,234.125

    Label1.Text = string.Format("{0:d}",a);//十进制--12345678

    Label2.Text = b.ToString("d");//十进制--相同的类型,转换报错

    Label1.Text = string.Format("{0:e}",a);//指数--1.234568e+007

    Label2.Text = b.ToString("e");//指数--1.234125e+003

    Label1.Text = string.Format("{0:f}",a);//定点数--12345678.00

    Label2.Text = b.ToString("f");//定点数--1234.13

    Label1.Text = string.Format("{0:n}",a);//数值--12,345,678.00

    Label2.Text = b.ToString("n");//数值--1,234.13

    Label1.Text = string.Format("{0:x}",a);//十六进制--bc614e

    Label2.Text = b.ToString("x");//16--带有小数不能转换,出错

    Label1.Text = string.Format("{0:g}",a);//通用为最紧凑--12345678

    Label2.Text = b.ToString("g");//通用为最紧凑--1234.12543

    Label1.Text = string.Format("{0:r}",a);//转来转去不损失精度--整数不允许用,报错

    Label2.Text = b.ToString("r");//转来转去不损失精度--1234.12543

    double b = 4321.12543;

    int a = 1234;

    C#数字格式化之自定义模式输出:

    C#数字格式化之"0"描述:占位符,如果可能,填充位

    Label1.Text = string.Format("{0:000000}",a);// 001234

    Label2.Text = string.Format("{0:000000}",b);// 004321

    C#数字格式化之"#"描述:占位符,如果可能,填充位

    Label1.Text = string.Format("{0:#######}",a);// 1234

    Label2.Text = string.Format("{0:#######}",b);// 4321

    Label1.Text = string.Format("{0:#0####}",a);// 01234

    Label2.Text = string.Format("{0:0#0000}",b);// 004321

    C#数字格式化之"."描述:小数点

    Label1.Text = string.Format("{0:000.000}",a);//1234.000

    Label2.Text = string.Format("{0:000.000}",b);//4321.125

    double b = 87654321.12543;

    int a = 12345678;

    C#数字格式化之","描述:数字分组,也用于增倍器

    Label1.Text = string.Format("{0:0,00}",a);// 12,345,678

    Label2.Text = string.Format("{0:0,00}",b);// 87,654,32

    Label1.Text = string.Format("{0:0,}",a);// 12346

    Label2.Text = string.Format("{0:0,}",b);// 87654

    Label1.Text = string.Format("{0:0,,}",a);// 12

    Label2.Text = string.Format("{0:0,,}",b);// 88

    Label1.Text = string.Format("{0:0,,,}",a);// 0

    Label2.Text = string.Format("{0:0,,,}",b);// 0

    C#数字格式化之"%"描述:格式为百分数

    Label1.Text = string.Format("{0:0%}",a);// 1234567800%

    Label2.Text = string.Format("{0:#%}",b);// 8765432113%

    Label1.Text = string.Format("{0:0.00%}",a);// 1234567800.00%

    Label2.Text = string.Format("{0:#.00%}",b);// 8765432112.54%

    C#数字格式化之"abc"描述:显示单引号内的文本

    Label1.Text = string.Format("{0:'文本'0}",a);// 文本12345678

    Label2.Text = string.Format("{0:文本0}",b);// 文本87654321

    C#数字格式化之"\"描述:后跟1要打印字的字符,也用于转移符\n等

    Label1.Text = string.Format("\"你好!\"");// "你好!"

    Label2.Text = string.Format("[url=file://\\c\\books\\new\\we.asp]\\c\\books\\new\\we.asp");//\c\books\new\we.asp

    C#数字格式化之"@"描述:后跟要打印字的字符,

    Label1.Text = string.Format(@"""你好!"""); // "你好!"要打印"则需要输入两对才可以

    Label2.Text = string.Format(@"\c\books\new\we.asp");//\c\books\new\we.asp


    转自:http://blog.csdn.net/ggw128/archive/2010/06/11/5663663.aspx

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  • 原文地址:https://www.cnblogs.com/jancco/p/2489000.html
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