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Преобразование HEX <-> CHAR



 
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Garik
Специалист
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Joined: 11 Oct 2007
Posts: 60
PostPosted: Wed Oct 31, 2007 10:56 am    Post subject: Преобразование HEX <-> CHAR Reply with quote
Привет!
Какие есть функциональные модули в ABAP для преобразования кода ASCII в символ и обратно? На подобии строковых функции в других языках:
CHR(n) Возвращает строку с символом с заданным кодом.
HEX(n) Возвращают строку с шестнадцатеричным представлением целого числа n.
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admin
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Joined: 01 Sep 2007
Posts: 1640
PostPosted: Wed Oct 31, 2007 3:58 pm    Post subject: Reply with quote
Если версия системы 4.7 и выше
Code:

CALL METHOD cl_abap_conv_in_ce=>uccp
  EXPORTING
    uccp = '000D'
  RECEIVING
    char = cr.


для более старых версии, например FM URL_ASCII_CODE_GET
Посмотрите его содержимое, использование ASSIGN ... CASTING
один из универсальных способов преобразования типов, даже в юникодной системе

Code:
FUNCTION url_ascii_code_get.
*"----------------------------------------------------------------------
*"*"Lokale Schnittstelle:
*"  IMPORTING
*"     VALUE(TRANS_CHAR) TYPE  URL_CHAR
*"  EXPORTING
*"     VALUE(CHAR_CODE) TYPE  URL_CODE
*"----------------------------------------------------------------------

  FIELD-SYMBOLS:
    <critical_x>                        TYPE x.

  ASSIGN trans_char TO <critical_x> CASTING.
  WRITE <critical_x> TO char_code.
ENDFUNCTION.


на основании этого кода, можно сделать обратное преобразование:

Code:

DATA: v_char.
FIELD-SYMBOLS: <fs> TYPE x.
DATA: v_int1 TYPE INT4.

v_char =  'й'.
ASSIGN v_char TO <fs> CASTING TYPE X.
v_int1 = <FS>.

Write: / 'Char: ', v_char,
       / 'Hex : ', <fs>,
       / 'Int : ', v_int1.
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