TCODE：SNRO
填写流水号对象的相关信息
流水号的使用：
CALL FUNCTION 'NUMBER_GET_NEXT'
EXPORTING
nr_range_nr = '01'
object = 'ZMMSAPNO'
IMPORTING
number = lv_sapno "生成的流水号
EXCEPTIONS
interval_not_found = 1
number_range_not_intern = 2
object_not_found = 3
quantity_is_0 = 4
quantity_is_not_1 = 5
interval_overflow = 6
buffer_overflow = 7
OTHERS = 8.
IF sy-subrc EQ 0.
ENDIF.