单层反查BOM

*&---------------------------------------------------------------------*
*& Report YCX_001
*&---------------------------------------------------------------------*
*&
*&---------------------------------------------------------------------*
REPORT ycx_001.

DATA: datub LIKE rc29l-datub,
      datuv LIKE rc29l-datuv.

DATA:
  lt_wultb   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.

SELECTION-SCREEN BEGIN OF BLOCK bk1 WITH FRAME.
PARAMETERS: p_werks LIKE marc-werks.
PARAMETERS: p_matnr LIKE marc-matnr.
SELECTION-SCREEN END OF BLOCK bk1.

START-OF-SELECTION.

  "单层反查BOM
  CALL FUNCTION 'CS_WHERE_USED_MAT'
    EXPORTING
      datub                      = sy-datum
      datuv                      = sy-datum
      matnr                      = p_matnr  " 物料
      stlan                      = ''     " 物料清单用途
      werks                      = p_werks  " 工厂
    TABLES
      wultb                      = lt_wultb
      equicat                    = lt_equicat
      kndcat                     = lt_kndcat
      matcat                     = lt_matcat
      stdcat                     = lt_stdcat
      tplcat                     = lt_tplcat
    EXCEPTIONS
      call_invalid               =
      material_not_found         =
      no_where_used_rec_found    =
      no_where_used_rec_selected =
      no_where_used_rec_valid    =
      OTHERS                     = .

  READ TABLE  lt_wultb INTO DATA(ls_wultb) INDEX .
  IF sy-subrc EQ .
    DATA(LV_MJ) = ls_wultb-matnr.
  ENDIF.
  WRITE:LV_MJ.