C#数字格式化输出

C#数字格式化输出

   int a = 12345678;
   //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;
   a = 12345678;
   //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
   
   b = 4321.12543;
   a = 1234;
   //自定义模式输出:
//   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
//   # 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

//   . 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
   b = 87654321.12543;
   a = 12345678;
//   , 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
//   % 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%
//   '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
//   " 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("""c""books""new""we.asp");//"c"books"new"we.asp
//   @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
posted @ 2008-07-22 15:40  不羁  阅读(174)  评论(0编辑  收藏  举报