格式化数值型数据

using System;

namespace FormatString
{
class Class1
{
[STAThread]
static void Main(string[] args)
{
int intNum = 550000;
System.Console.WriteLine("{0:C}", intNum); //￥550,000.00
System.Console.WriteLine("{0:D9}", intNum); //550000
System.Console.WriteLine("{0:E}", intNum); //5.500000E+005
System.Console.WriteLine("{0:e}", intNum); //5.500000e+005
System.Console.WriteLine("{0:F}", intNum); //550000.00
System.Console.WriteLine("{0:G}", intNum); //550000
System.Console.WriteLine("{0:N}", intNum); //550,000.00
System.Console.WriteLine("{0:X}", intNum); //86470
System.Console.WriteLine("{0:x}", intNum); //86470
System.Console.WriteLine("{0:C3}", intNum); //￥550,000.000
System.Console.WriteLine("{0:D9}", intNum); //000550000
System.Console.WriteLine("{0:E12}", intNum); //5.500000000000E+005
System.Console.WriteLine("{0:F7}", intNum); //550000.0000000
System.Console.WriteLine("{0:G4}", intNum); //5.5E+05
System.Console.WriteLine("{0:N10}", intNum); //550,000.0000000000
System.Console.WriteLine("{0:X8}", intNum); //00086470
System.Console.WriteLine("{0:P8}", intNum); //55,000,000.00000000%
System.Console.WriteLine("{0:p2}",0.42387); //42.39%

//string str = string.Format("{0:C}", intNum); //格式化为字符串使用
System.Console.WriteLine((07714578547).ToString("0###-#######")); //0771-4578547

}
}
}