ABAP 字段隐藏的方法

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*数据库表spfli相关
TABLES: spfli, sflight.
START-OF-SELECTION.
  SKIP.
*输出
  ULINE AT /(91).
  WRITE: / sy-vline,(15) '航线承运人', sy-vline , (15) '航班连接', sy-vline,
         (15) '国家代码', sy-vline,(15) '起飞城市', sy-vline,
         (15) '起飞机场',sy-vline.
  ULINE AT /(91).
*输出
  SELECT * FROM spfli.
    WRITE: / sy-vline,(15) spfli-carrid,sy-vline,
                      (15) spfli-connid,sy-vline,
                      (15) spfli-countryto,sy-vline,
                      (15) spfli-cityfrom,sy-vline,
                      (15) spfli-airpfrom, sy-vline.
* 隐藏关键字
    HIDE: spfli-carrid,spfli-connid.
    ULINE AT /(91).
  ENDSELECT.
AT LINE-SELECTION.
*只输出第一页
  IF sy-lsind = 1.
*根据隐藏字段读取并打印从表
    SELECT * FROM sflight
      WHERE carrid = spfli-carrid AND connid = spfli-connid.
      WRITE: / sflight-carrid,sy-vline,sflight-connid,
               sy-vline,sflight-fldate,sy-vline,sflight-price.
    ENDSELECT.
  ENDIF.

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