[C#] ToString() 格式化文字 - 轉載
本帖最後由 whitefox 於 2023-5-28 11:48 編輯SpecifierTypeExampleOutput (Passed Double 1500.42)Note
C貨幣2.5.ToString("C")￥2.50
D十進位25.ToString("D5")25
E科學符號25000.ToString("E")2.50E+05
F固定點25.ToString("F2")25
G常規2.5.ToString("G")2.5
N數字2500000.ToString("N")2,500,000.00
X十六進位255.ToString("X")F
SpecifierTypeExampleOutput (Passed Double 1500.42)Note
0Zero placeholder{0:00.0000}1500.42Pads with zeroes.
#Digit placeholder{0: (#).##}(1500).42
.Decimal point{0:0.0}1500.4
,Thousand separator{0:0,0}1,500Must be between two zeroes.
,.Number scaling{0:0,.} 2Comma adjacent to Period scales by 1000.
%Percent{0:0%}150042%Multiplies by 100, adds % sign.
eExponent placeholder{0:00e+0}1.50E+03Many exponent formats available.
;Group separatorsee below
SpecifierTypeExample (Passed System.DateTime.Now)
dShort date10/12/2002
DLong date10-Dec-02
tShort time10:11 PM
TLong time10:11:29 PM
fFull date & time 2002/12/10 22:11
FFull date & time (long)2002/12/10 22:11
gDefault date & time10/12/2002 10:11 PM
GDefault date & time (long)10/12/2002 10:11:29 PM
MMonth day pattern10-Dec
rRFC1123 date stringTue, 10 Dec 2002 22:11:29 GMT
sSortable date string2002-12-10T22:11:29
uUniversal sortable, local time2002-12-10 22:13:50Z
UUniversal sortable, GMT2002/12/11 03:13
YYear month patternDecember, 2002
The 'U' specifier seems broken; that string certainly isn't sortable.
SpecifierTypeExample Example Output
ddDay{0:dd}10
dddDay name{0:ddd}Tue
ddddFull day name{0:dddd}Tuesday
f, ff, ...Second fractions{0:fff}932
gg, ...Era{0:gg}A.D.
hh2 digit hour{0:hh}10
HH2 digit hour, 24hr format{0:HH}22
mmMinute 00-59{0:mm}38
MMMonth 01-12{0:MM}12
MMMMonth abbreviation{0:MMM}Dec
MMMMFull month name{0:MMMM}December
ssSeconds 00-59{0:ss}46
ttAM or PM{0:tt}PM
yyYear, 2 digits{0:yy}2
yyyyYear{0:yyyy}2002
zzTimezone offset, 2 digits{0:zz}-5
zzzFull timezone offset{0:zzz}-05:00
:Separator{0:hh:mm:ss}10:43:20
/Separator{0:dd/MM/yyyy}10/12/2002
SpecifierType
gDefault (Flag names if available, otherwise decimal)
fFlags always
dInteger always
xEight digit hex.
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轉載：https://awei791129.pixnet.net/blog/post/24989287
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