动态调用function

全栈程序员-站长 • 2021年8月10日下午12:00 • 未分类 • 阅读 69

转自Sariel兄

*&———————————————————————*
*&* write by Sariel
*&———————————————————————*
REPORT Y_DYNAMIC_FUNC.

TYPE-POOLS: ABAP,SLIS.

TABLES: MARA.

DATA: V_FNAME TYPE STRING.
DATA: IT_PARM TYPE ABAP_FUNC_PARMBIND_TAB,
      IT_EXCP TYPE ABAP_FUNC_EXCPBIND_TAB,
      HE_PARM TYPE ABAP_FUNC_PARMBIND,
      HE_EXCP TYPE ABAP_FUNC_EXCPBIND.
DATA: IT_MARA TYPE STANDARD TABLE OF MARA.
DATA: IT_FCAT TYPE SLIS_T_FIELDCAT_ALV.

PARAMETER: R1 RADIOBUTTON GROUP RB DEFAULT ‘X’,
R2 RADIOBUTTON GROUP RB.

START-OF-SELECTION.
  PERFORM SET_FUNC_NAME.
  PERFORM GET_DATA_MARA.
  PERFORM SET_PARM_NAME.
  PERFORM SET_PARA_EXEP.
  PERFORM EXE_FUNC_DYNM.

*&———————————————————————*
*&      Form  SET_FUNC_NAME
*&———————————————————————*
FORM SET_FUNC_NAME .
  IF R1 = ABAP_TRUE.
    V_FNAME = ‘REUSE_ALV_GRID_DISPLAY’.
  ELSE.
    V_FNAME = ‘REUSE_ALV_LIST_DISPLAY’.
  ENDIF.
ENDFORM.                    ” SET_FUNC_NAME

*&———————————————————————*
*&      Form  get_data_MARA
*&———————————————————————*
FORM GET_DATA_MARA .
  SELECT *
    INTO TABLE IT_MARA
    FROM MARA
      UP TO 100 ROWS.
  HE_PARM-NAME = ‘T_OUTTAB’.
  HE_PARM-KIND = ABAP_FUNC_TABLES.
  GET REFERENCE OF IT_MARA INTO HE_PARM-VALUE.
  INSERT HE_PARM INTO TABLE IT_PARM.
ENDFORM.                    ” get_data_MARA

*&———————————————————————*
*&      Form  SET_PARM_NAME
*&———————————————————————*
FORM SET_PARM_NAME .
  CALL FUNCTION ‘REUSE_ALV_FIELDCATALOG_MERGE’
    EXPORTING
      I_STRUCTURE_NAME       = ‘MARA’
    CHANGING
      CT_FIELDCAT            = IT_FCAT
    EXCEPTIONS
      INCONSISTENT_INTERFACE = 1
      PROGRAM_ERROR          = 2
      OTHERS                 = 3.
  IF SY-SUBRC <> 0.
    MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
          WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.
  HE_PARM-NAME = ‘IT_FIELDCAT’.
  HE_PARM-KIND = ABAP_FUNC_EXPORTING.
  GET REFERENCE OF IT_FCAT INTO HE_PARM-VALUE.
  INSERT HE_PARM INTO TABLE IT_PARM.
ENDFORM.                    ” SET_PARM_NAME

*&———————————————————————*
*&      Form  SET_PARA_EXEP
*&———————————————————————*
FORM SET_PARA_EXEP .
  HE_EXCP-NAME = ‘PROGRAM_ERROR’.
  HE_EXCP-VALUE = 1.
  INSERT HE_EXCP INTO TABLE IT_EXCP.
ENDFORM.                    ” SET_PARA_EXEP

*&———————————————————————*
*&      Form  EXE_FUNC_DYNM
*&———————————————————————*
FORM EXE_FUNC_DYNM .
  CALL FUNCTION V_FNAME
    PARAMETER-TABLE
      IT_PARM
    EXCEPTION-TABLE
      IT_EXCP.
ENDFORM.                    ” EXE_FUNC_DYNM

转载于:https://www.cnblogs.com/johnson_yao/archive/2011/02/28/1966959.html

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