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  • c#高级编程之格式化输出

制作者:剑锋冷月 单位:无忧统计网,www.51stat.net
 

  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;
  int 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
  double b = 4321.12543;
  int 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
  double b = 87654321.12543;
  int 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("[url=file://cooks ewwe.asp]cooks ewwe.asp");//cbooksnewwe.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(@"cbooksnewwe.asp");//cbooksnewwe.asp

 

  http://www.cnblogs.com/ArisHuang/archive/2008/06/04/1213210.html

 

 

  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
  double b = 87654321.12543;
  int 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("[url=file://cooks ewwe.asp]cooks ewwe.asp");//cbooksnewwe.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(@"cbooksnewwe.asp");//cbooksnewwe.asp

 

  http://www.cnblogs.com/ArisHuang/archive/2008/06/04/1213210.html

 



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