C#的String.Format格式化参数

N或n

数字

Console.Write(“"{0:N}“"，2500000);         //2，500，000.00

 

C或c

货币

Console.Write(“"{0:C}“"，2.5);                 //$2.50

Console.Write(“"{0:C}“"，-2.5);                //($2.50)

 

D或d

十进制数

Console.Write(“"{0:D5}“"，25);                //00025

 

E或e

科学型

Console.Write(“"{0:E}“"，250000);          //2.500000E+005

 

F或f

固定点

Console.Write(“"{0:F2}“"，25);                //25.00

Console.Write(“"{0:F0}“"，25);                //25

 

G或g

常规

Console.Write(“"{0:G}“"，2.5);                //2.5

 

X或x

十六进制

Console.Write(“"{0:X}“"，250);               //FA

Console.Write(“"{0:X}“"，0xffff);             //FFFF