增加、去掉前导零函数

DATA:ebeln TYPE ekko-ebeln.

"增加前导零
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
EXPORTING
input = ebeln
IMPORTING
output = ebeln.

"去掉前导零
CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
EXPORTING
input = ebeln
IMPORTING
output = ebeln.