ITPub博客

首页 > Linux操作系统 > Linux操作系统 > ALV 小结之二:自定义小计列的值

ALV 小结之二:自定义小计列的值

原创 Linux操作系统 作者:qy1141 时间:2009-06-02 16:48:04 0 删除 编辑

ALV中有自带的求平均值的方法:do_sum = 'X',但也有一种特殊情况,目前有A、B、C三列,C = A / B,在小计中要计算A、B列的和,小计C = A和 / B和。要实现这种方式很简单,捕获ALV列表的SUBTOTAL_TEXT事件,然后在事件处理器中进行相应的处理即可。见以下代码:

REPORT  zquy_alv_test_02.
TYPE-POOLS slis.
DATA :
it_fieldcat TYPE slis_t_fieldcat_alv,
wa_fieldcat TYPE slis_fieldcat_alv,
lt_sort  TYPE slis_t_sortinfo_alv,
lt_event TYPE slis_t_event,
c1 TYPE p DECIMALS 2,
BEGIN OF wa_data,
check TYPE c,
t(10) TYPE c,
t1(10) TYPE c,
a TYPE i,
b TYPE i,
c(10) TYPE c,
END OF wa_data,
wt_data LIKE wa_data OCCURS 0 WITH HEADER LINE.

START-OF-SELECTION.
  PERFORM. get_data.
  PERFORM. event_build.
  PERFORM. sort_build.
  PERFORM. set_alv_layout.
  PERFORM. dis_alv_grid.
*&---------------------------------------------------------------------*
*&      Form  get_data
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM. get_data .
  DATA i1 TYPE i.
  DO 3 TIMES.
    i1 = sy-index.
    DO 4 TIMES.
      wa_data-t = i1.
      wa_data-t = i1.
      wa_data-a = sy-index * i1.
      wa_data-b = sy-index * i1 + 3.
      c1 = wa_data-a * 100 / ( wa_data-a + wa_data-b ) .
      wa_data-c = c1.
      CONCATENATE wa_data-c '%' INTO wa_data-c.
      APPEND wa_data TO wt_data.
    ENDDO.
  ENDDO.
ENDFORM.                    " get_data
*&---------------------------------------------------------------------*
*&      Form  event_build
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM. event_build .
  DATA la_event TYPE slis_alv_event.
  la_event-name = 'SUBTOTAL_TEXT'.
  la_event-form. = 'CALLBACK_SUBTOTAL_TEXT'.
  APPEND la_event TO lt_event.
  CLEAR la_event.
ENDFORM.                    " event_build
*&---------------------------------------------------------------------*
*&      Form  sort_build
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM. sort_build .
  DATA lwa_sort TYPE slis_sortinfo_alv.

  lwa_sort-fieldname = 'T'.

  lwa_sort-up = 'X'.

  lwa_sort-subtot = 'X'.

  APPEND lwa_sort TO lt_sort.

ENDFORM.                    " sort_build
*&---------------------------------------------------------------------*
*&      Form  set_alv_layout
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM. set_alv_layout .
  PERFORM. sub_fill_alv_field_catalog USING:
    '01' '01' 'T' 'L' '分组' 'X' ' ',
    '01' '01' 'T1' 'L' '分组' ' ' ' ',
    '01' '02' 'A' 'L' 'A' ' ' 'X',
    '01' '03' 'B' 'L' 'B' ' ' 'X',
    '01' '03' 'C' 'L' '百分比' ' ' ' '.
ENDFORM.                    " set_alv_layout
*&---------------------------------------------------------------------*
*&      Form  dis_alv_grid
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*  -->  p1        text
*  <--  p2        text
*----------------------------------------------------------------------*
FORM. dis_alv_grid .
  DATA:
      lth_layout TYPE slis_layout_alv.

  lth_layout-box_fieldname = 'CHECK'.
  lth_layout-colwidth_optimize = 'X'.
  lth_layout-zebra = 'X'.
  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'
   EXPORTING
     i_callback_program                = sy-repid
     is_layout                         = lth_layout
     it_fieldcat                       = it_fieldcat
     it_sort                           = lt_sort
     it_events                         = lt_event
    TABLES
      t_outtab                          = wt_data
*   EXCEPTIONS
*     PROGRAM_ERROR                     = 1
*     OTHERS                            = 2
            .
  IF sy-subrc <> 0.
* MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
*         WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  ENDIF.

ENDFORM.                    " dis_alv_grid
*&---------------------------------------------------------------------*
*&      Form  sub_fill_alv_field_catalog
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->P_ROWPOS   text
*      -->P_COLPOS   text
*      -->P_FLDNAM   text
*      -->P_JUSTIF   text
*      -->P_SELTEXT  text
*      -->P_OUT      text
*      -->P_DOSUM    text
*----------------------------------------------------------------------*
FORM. sub_fill_alv_field_catalog  USING  p_rowpos    TYPE sycurow
                                        p_colpos    TYPE sycucol
                                        p_fldnam    TYPE fieldname
                                        p_justif    TYPE char1
                                        p_seltext   TYPE dd03p-scrtext_l
                                        p_out       TYPE char1
                                        p_dosum     TYPE c.
  DATA: wa_lfl_fcat    TYPE  slis_fieldcat_alv.
  wa_lfl_fcat-row_pos        =  p_rowpos.     "Row
  wa_lfl_fcat-col_pos        =  p_colpos.     "Column
  wa_lfl_fcat-fieldname      =  p_fldnam.     "Field Name
  wa_lfl_fcat-just           =  p_justif.     "Screen Justified
  wa_lfl_fcat-seltext_l      =  p_seltext.    "Field Text
  wa_lfl_fcat-no_out         =  p_out.        "No output
  wa_lfl_fcat-do_sum  =  p_dosum.
  APPEND wa_lfl_fcat TO it_fieldcat.
  CLEAR wa_lfl_fcat.
ENDFORM.                    "sub_fill_alv_field_catalog
*&---------------------------------------------------------------------*
*&      Form  callback_subtotal_text
*&---------------------------------------------------------------------*
*       text
*----------------------------------------------------------------------*
*      -->P_TOTAL        text
*      -->P_SUBTOT_TEXT  text
*----------------------------------------------------------------------*
FORM. callback_subtotal_text CHANGING p_total LIKE wa_data p_subtot_text TYPE slis_subtot_text.

  c1 = p_total-a * 100 / ( p_total-a + p_total-b ).
  p_total-c = c1.
  CONCATENATE p_total-c '%' INTO p_total-c.

  CONCATENATE '小计' p_total-t INTO p_subtot_text-display_text_for_subtotal.


ENDFORM.                    "F_EVT_SUBTOTAL

效果如下图所示:

11.jpg

来自 “ ITPUB博客 ” ,链接:http://blog.itpub.net/11377579/viewspace-604930/,如需转载,请注明出处,否则将追究法律责任。

请登录后发表评论 登录
全部评论

注册时间:2009-05-11

  • 博文量
    13
  • 访问量
    40482