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strict-ssl=false
registry=http://registry.npmjs.org/
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root = $HOME/.node_libraries
binroot = $HOME/bin
manroot = $HOME/share/man
NPMRC

 

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c# string format

Programing/Etc 2016.10.17 12:46 |


출처

http://www.dreamy.pe.kr/zbxe/CodeClip/157656






숫자형식 포맷팅을 이용하면 숫자로 이루어진 문자열을 다양한 형태로 출력 할 수 있습니다.

기본적으로 이 포맷팅은 System. String.Format 매서드에 기반하여 적용됩니다.


형식지정자

종류

예제코드

출력결과

C / c

통화
Currency

Response.Write(string.Format("{0:C}", 2.5));

₩3

Response.Write(string.Format("{0:C}", -3.5));

-₩4

D / d

10진법
Decimal

Response.Write(string.Format("{0:D}", 00035));

35

E / e

과학적지수
Scientific

Response.Write(string.Format("{0:E}", 342));

3.420000E+02

F / f

고정 소수점
Fixed-point

Response.Write(string.Format("{0:F2}", 35.22));

35.22

Response.Write(string.Format("{0:F0}", 35.22));

35

G / g

일반
General

Response.Write(string.Format("{0:G}", 123456));

123456

N / n

숫자
Number

Response.Write(string.Format("{0:N}", 25000000));

25,000,000.00

P / p

백분율
Percentage

Response.Write(string.Format("{0:P}", .21548));

21.55%

Response.Write(string.Format("{0:P1}", .112345));

11.2%

X / x

16진법
Hexadecimal

Response.Write(string.Format("{0:X}", 250));

FA

Response.Write(string.Format("{0:X}", 0xffff));

FFFF


 

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// This code example demonstrates the String.Format() method.
// Formatting for this example uses the "en-US" culture.
 
using System;
class Sample
{
    enum Color {Yellow = 1, Blue, Green};
    static DateTime thisDate = DateTime.Now;
 
    public static void Main()
    {
// Store the output of the String.Format method in a string.
    string s = "";
 
    Console.Clear();
 
// Format a negative integer or floating-point number in various ways.
    Console.WriteLine("Standard Numeric Format Specifiers");
    s = String.Format(
        "(C) Currency: . . . . . . . . {0:C}\n" +
        "(D) Decimal:. . . . . . . . . {0:D}\n" +
        "(E) Scientific: . . . . . . . {1:E}\n" +
        "(F) Fixed point:. . . . . . . {1:F}\n" +
        "(G) General:. . . . . . . . . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(N) Number: . . . . . . . . . {0:N}\n" +
        "(P) Percent:. . . . . . . . . {1:P}\n" +
        "(R) Round-trip: . . . . . . . {1:R}\n" +
        "(X) Hexadecimal:. . . . . . . {0:X}\n",
        -123, -123.45f);
    Console.WriteLine(s);
 
// Format the current date in various ways.
    Console.WriteLine("Standard DateTime Format Specifiers");
    s = String.Format(
        "(d) Short date: . . . . . . . {0:d}\n" +
        "(D) Long date:. . . . . . . . {0:D}\n" +
        "(t) Short time: . . . . . . . {0:t}\n" +
        "(T) Long time:. . . . . . . . {0:T}\n" +
        "(f) Full date/short time: . . {0:f}\n" +
        "(F) Full date/long time:. . . {0:F}\n" +
        "(g) General date/short time:. {0:g}\n" +
        "(G) General date/long time: . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(M) Month:. . . . . . . . . . {0:M}\n" +
        "(R) RFC1123:. . . . . . . . . {0:R}\n" +
        "(s) Sortable: . . . . . . . . {0:s}\n" +
        "(u) Universal sortable: . . . {0:u} (invariant)\n" +
        "(U) Universal sortable: . . . {0:U}\n" +
        "(Y) Year: . . . . . . . . . . {0:Y}\n",
        thisDate);
    Console.WriteLine(s);
 
// Format a Color enumeration value in various ways.
    Console.WriteLine("Standard Enumeration Format Specifiers");
    s = String.Format(
        "(G) General:. . . . . . . . . {0:G}\n" +
        "    (default):. . . . . . . . {0} (default = 'G')\n" +
        "(F) Flags:. . . . . . . . . . {0:F} (flags or integer)\n" +
        "(D) Decimal number: . . . . . {0:D}\n" +
        "(X) Hexadecimal:. . . . . . . {0:X}\n",
        Color.Green);      
    Console.WriteLine(s);
    }
}
/*
This code example produces the following results:
 
Standard Numeric Format Specifiers
(C) Currency: . . . . . . . . ($123.00)
(D) Decimal:. . . . . . . . . -123
(E) Scientific: . . . . . . . -1.234500E+002
(F) Fixed point:. . . . . . . -123.45
(G) General:. . . . . . . . . -123
    (default):. . . . . . . . -123 (default = 'G')
(N) Number: . . . . . . . . . -123.00
(P) Percent:. . . . . . . . . -12,345.00 %
(R) Round-trip: . . . . . . . -123.45
(X) Hexadecimal:. . . . . . . FFFFFF85
 
Standard DateTime Format Specifiers
(d) Short date: . . . . . . . 6/26/2004
(D) Long date:. . . . . . . . Saturday, June 26, 2004
(t) Short time: . . . . . . . 8:11 PM
(T) Long time:. . . . . . . . 8:11:04 PM
(f) Full date/short time: . . Saturday, June 26, 2004 8:11 PM
(F) Full date/long time:. . . Saturday, June 26, 2004 8:11:04 PM
(g) General date/short time:. 6/26/2004 8:11 PM
(G) General date/long time: . 6/26/2004 8:11:04 PM
    (default):. . . . . . . . 6/26/2004 8:11:04 PM (default = 'G')
(M) Month:. . . . . . . . . . June 26
(R) RFC1123:. . . . . . . . . Sat, 26 Jun 2004 20:11:04 GMT
(s) Sortable: . . . . . . . . 2004-06-26T20:11:04
(u) Universal sortable: . . . 2004-06-26 20:11:04Z (invariant)
(U) Universal sortable: . . . Sunday, June 27, 2004 3:11:04 AM
(Y) Year: . . . . . . . . . . June, 2004
 
Standard Enumeration Format Specifiers
(G) General:. . . . . . . . . Green
    (default):. . . . . . . . Green (default = 'G')
(F) Flags:. . . . . . . . . . Green (flags or integer)
(D) Decimal number: . . . . . 3
(X) Hexadecimal:. . . . . . . 00000003
 
*/


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