动态选择屏幕

来源：互联网发布：淘宝商家手机怎么注册编辑：程序博客网时间：2024/04/30 08:02

学习编程的最佳方法是研究他人的代码，一些我写了一段简单的代码演示动态选择屏幕

TABLES: sflight, spfli, sbook.
SELECTION-SCREEN BEGIN OF BLOCK blk1 WITH FRAME.
PARAMETERS  p_scd RADIOBUTTON GROUP grp1 USER-COMMAND com MODIF ID scd DEFAULT 'X'.
PARAMETERS  p_flt RADIOBUTTON GROUP grp1 MODIF ID flt.
PARAMETERS  p_fbk RADIOBUTTON GROUP grp1 MODIF ID fbk.
SELECTION-SCREEN END OF BLOCK blk1.

SELECTION-SCREEN BEGIN OF BLOCK blk2 WITH FRAME.
PARAMETERS  p_carrid  TYPE spfli-carrid   MODIF ID scd.
PARAMETERS  p_connid  TYPE spfli-connid   MODIF ID scd.
PARAMETERS  p_fldate  TYPE sflight-fldate MODIF ID flt.
PARAMETERS  p_price   TYPE sflight-price  MODIF ID flt.
PARAMETERS  p_bookid  TYPE sbook-bookid   MODIF ID fbk.
PARAMETERS  p_ctmid TYPE sbook-customid MODIF ID fbk.
SELECTION-SCREEN END OF BLOCK blk2.

AT SELECTION-SCREEN OUTPUT.
  IF p_scd = 'X'.
    LOOP AT SCREEN.
      CASE screen-group1.
        WHEN 'SCD'.
          screen-active = '1'.
          MODIFY SCREEN.
        WHEN 'FLT'.
          IF screen-name = 'P_FLDATE'                OR
             screen-name = 'P_PRICE'                 OR
             screen-name = '%_P_FLDATE_%_APP_%-TEXT' OR
             screen-name = '%_P_PRICE_%_APP_%-TEXT'.
            screen-active = '0'.
            MODIFY SCREEN.
          ENDIF.
        WHEN 'FBK'.
          IF screen-name = 'P_BOOKID'                OR
             screen-name = 'P_CTMID'                 OR
             screen-name = '%_P_BOOKID_%_APP_%-TEXT' OR
             screen-name = '%_P_CTMID_%_APP_%-TEXT'.
            screen-active = '0'.
            MODIFY SCREEN.
          ENDIF.
        WHEN OTHERS.
      ENDCASE.
    ENDLOOP.
  ENDIF.

  IF p_flt = 'X'.
    LOOP AT SCREEN.
      CASE screen-group1.
        WHEN 'SCD'.
          IF screen-name = 'P_CARRID'                OR
             screen-name = 'P_CONNID'                OR
             screen-name = '%_P_CARRID_%_APP_%-TEXT' OR
             screen-name = '%_P_CONNID_%_APP_%-TEXT'.
            screen-active = '0'.
            MODIFY SCREEN.
          ENDIF.
        WHEN 'FLT'.
          screen-active = '1'.
          MODIFY SCREEN.
        WHEN 'FBK'.
          IF screen-name = 'P_BOOKID'                OR
             screen-name = 'P_CTMID'                 OR
             screen-name = '%_P_BOOKID_%_APP_%-TEXT' OR
             screen-name = '%_P_CTMID_%_APP_%-TEXT'.
            screen-active = '0'.
            MODIFY SCREEN.
          ENDIF.
        WHEN OTHERS.
      ENDCASE.
    ENDLOOP.
  ENDIF.

  IF p_fbk = 'X'.
    LOOP AT SCREEN.
      CASE screen-group1.
        WHEN 'SCD'.
          IF screen-name = 'P_CARRID'                OR
             screen-name = 'P_CONNID'                OR
             screen-name = '%_P_CARRID_%_APP_%-TEXT' OR
             screen-name = '%_P_CONNID_%_APP_%-TEXT'.
            screen-active = '0'.
            MODIFY SCREEN.
          ENDIF.
        WHEN 'FLT'.
          IF screen-name = 'P_FLDATE'                OR
             screen-name = 'P_PRICE'                 OR
             screen-name = '%_P_FLDATE_%_APP_%-TEXT' OR
             screen-name = '%_P_PRICE_%_APP_%-TEXT'.
            screen-active = '0'.
            MODIFY SCREEN.
          ENDIF.
        WHEN 'FBK'.
          screen-active = '1'.
          MODIFY SCREEN.
        WHEN OTHERS.
      ENDCASE.
    ENDLOOP.
  ENDIF.