PARAMETERS : P_VRT LIKE DISVARIANT-VARIANT. G_VARIANT-REPORT = SY-REPID. G_VARIANT-VARIANT = P_VRT. CALL FUNCTION 'LVC_VARIANT_EXISTENCE_CHECK' "判断布局是否存在 EXPORTING I_SAVE = 'A' CHANGING CS_VARIANT = G_VARIANT EXCEPTIONS WRONG_INPUT = 1 NOT_FOUND = 2 PROGRAM_ERROR = 3 OTHERS = 4. IF SY-SUBRC = 0. CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY' EXPORTING I_CALLBACK_PROGRAM = SY-REPID I_CALLBACK_USER_COMMAND = 'F_ALV_USER_COMMAND' I_CALLBACK_PF_STATUS_SET = 'MENU_SET_3' IS_LAYOUT = G_ALV_LAYOUT IT_FIELDCAT = G_ALV_FIELDCAT IS_VARIANT = G_VARIANT I_SAVE = 'A' IT_EVENTS = G_ALV_EVENT I_GRID_TITLE = '' "NEED MODIFY TABLES T_OUTTAB = IT_PRINT_001 EXCEPTIONS PROGRAM_ERROR = 1 OTHERS = 2. ENDIF. 先判断，后设置。
