Posted: Wed Apr 27, 2011 3:53 pm Post subject: Следующее значение для RESB-POSNR
Коллеги добрый день,
в поле RESB-POSNR могут встречаться как цифорвые значения, так и символьные.
Мне нужно увеличить значение в resb на 10 для создания новой позиции. Как увеличить поле (напрмимер, если значение было AAAA, следующее дать AAAB), если оно не цифровое, может FM есть?
Age: 170 Joined: 04 Oct 2007 Posts: 1218 Location: Санкт-Петербург
Posted: Thu Apr 28, 2011 2:39 pm Post subject:
Например так:
Code:
CONSTANTS c_256 TYPE i VALUE 256.
FIELD-SYMBOLS : <n> TYPE x.
FIELD-SYMBOLS : <c> TYPE c.
DATA: l_posnr TYPE resb-posnr,
n TYPE i,
r TYPE f,
i TYPE i,
k TYPE i,
sum TYPE f.
DESCRIBE FIELD l_posnr LENGTH n IN CHARACTER MODE.
l_posnr = 'AAAA'.
TRANSLATE l_posnr USING ' 0'.
sum = 0.
i = n - 1.
r = 1.
DO n TIMES.
ASSIGN l_posnr+i(1) TO <n> CASTING.
CHECK <n> IS ASSIGNED.
sum = sum + ( <n> / c_256 ) * r . "unicode
* sum = sum + <n> * r . "not unicode
r = r * c_256.
i = i - 1.
ENDDO.
sum = sum + 1.
i = n - 1.
DO n TIMES.
k = sum MOD c_256.
ASSIGN k TO <c> CASTING.
CHECK <c> IS ASSIGNED.
l_posnr+i(1) = <c>.
sum = ( sum - k ) / c_256.
i = i - 1.
ENDDO.
WRITE: / l_posnr.
_________________ Молитва - это запрос разработчику на изменение кода программы.
constants c_256 type i value 256.
field-symbols : <n> type x.
field-symbols : <c> type c.
data: l_posnr type resb-posnr,
n type i,
r type f,
i type i,
k type i,
sum type f.
*DESCRIBE FIELD l_posnr LENGTH n CHARACTER MODE.
DESCRIBE FIELD l_posnr LENGTH n.
l_posnr = 'AAAA'.
translate l_posnr using ' 0'.
sum = 0.
i = n - 1.
r = 1.
do n times.
assign l_posnr+i(1) to <n> casting.
check <n> is assigned.
sum = sum + ( <n> / c_256 ) * r . "unicode
* sum = sum + <n> * r . "not unicode
r = r * c_256.
i = i - 1.
enddo.
sum = sum + 2.
i = n - 1.
do n times.
k = sum mod c_256.
*добавил ->
check k > 0.
*добавил <-
assign k to <c> casting.
check <c> is assigned.
*изменил ->
* l_posnr+i(1) = <c>.
l_posnr+i(1) = <c>+3(1).
*изменил ->
sum = ( sum - k ) / c_256.
i = i - 1.
enddo.
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