ABAP 字符型数据add前置0以及remove前置0函数
data: w_char type char10 value '0000004506',
w_char2 type char10,
w_char3 type char10 value '4506',
w_char4 type char8,
w_char5 type char4
.
* no leading-zero
write w_char to w_char2 no-zero.
* add leading-zero
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT' "add front 0
EXPORTING
INPUT = w_char3
IMPORTING
OUTPUT = w_char4
.
* delete leading-zero
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT' "remove front 0
EXPORTING
INPUT = w_char4
IMPORTING
OUTPUT = w_char5
.
write: / w_char, "0000004506
/ w_char2, "(space)4506
/ w_char3, "4506
/ w_char4, "00004506
/ w_char5 . "4506
