ABAP-反查BOM

DATA: lt_usedcat TYPE TABLE OF stpov,
      lt_equicat TYPE TABLE OF cscequi,
      lt_kndcat  TYPE TABLE OF cscknd,
      lt_matcat  TYPE TABLE OF cscmat,
      lt_stdcat  TYPE TABLE OF cscstd,
      lt_tplcat  TYPE TABLE OF csctpl,
      ls_topmat  TYPE mc29s.

"表stpo stko mast

CALL FUNCTION 'CS_WHERE_USED_MAT'
  EXPORTING
    datub                      = '20240101'      " 有效起始日期
    datuv                      = '20261231'      " 有效截止日期
    matnr                      = '000000000011209766'      " 组件
    werks                      = '1009'      " 工厂
  IMPORTING
    topmat                     = ls_topmat
  TABLES
    wultb                      = lt_usedcat   " 上层物料的详细信息
    equicat                    = lt_equicat
    kndcat                     = lt_kndcat
    matcat                     = lt_matcat    " 上层物料的简要信息
    stdcat                     = lt_stdcat
    tplcat                     = lt_tplcat
  EXCEPTIONS
    call_invalid               = 1
    material_not_found         = 2
    no_where_used_rec_found    = 3
    no_where_used_rec_selected = 4
    no_where_used_rec_valid    = 5
    OTHERS                     = 6.

LOOP AT lt_usedcat INTO DATA(ls_userdcat).
ENDLOOP.
LOOP AT lt_equicat INTO DATA(ls_equicat).
ENDLOOP.
LOOP AT lt_kndcat INTO DATA(ls_kndcat).
ENDLOOP.
LOOP AT lt_matcat INTO DATA(ls_matcat).
ENDLOOP.
LOOP AT lt_stdcat INTO DATA(ls_stdcat).
ENDLOOP.
LOOP AT lt_tplcat INTO DATA(ls_tplcat).
ENDLOOP.