前导零的操作

*加上p_in的前导零

FORM add_zero CHANGING  p_kunag .

CALL FUNCTION 'CONVERSION_EXIT_ALPHA_INPUT'
EXPORTING
　　input =p_kunag

IMPORTING
       output = p_kunag .

ENDFORM.

*去除p_out的前导零

FORM del_zero CHANGING p_out.

CALL FUNCTION 'CONVERSION_EXIT_ALPHA_OUTPUT'
EXPORTING
      input = p_kunag
IMPORTING
      output = p_kunag .

ENDFORM.