C# 数值格式化

stringstr1 =string.Format({0N1},56789);               result 56,789.0

stringstr2 =string.Format({0N2},56789);               result 56,789.00

stringstr3 =string.Format({0N3},56789);               result 56,789.000

stringstr8 =string.Format({0F1},56789);               result 56789.0

stringstr9 =string.Format({0F2},56789);               result 56789.00

stringstr11 =(56789  100.0).ToString(#.##);           result 567.89

stringstr12 =(56789  100).ToString(#.##);             result 567

C 或 c

货币

Console.Write({0C}, 2.5);  $2.50

Console.Write({0C}, -2.5); ($2.50)

D 或 d

十进制数

Console.Write({0D5}, 25);  00025

E 或 e

科学型

Console.Write({0E}, 250000);  2.500000E+005

F 或 f

固定点

Console.Write({0F2}, 25);  25.00

Console.Write({0F0}, 25);  25

G 或 g

常规

Console.Write({0G}, 2.5);  2.5

N 或 n

数字

Console.Write({0N}, 2500000);  2,500,000.00

X 或 x

十六进制

Console.Write({0X}, 250);  FA

Console.Write({0X}, 0xffff);  FFFF