[abap] 'REUSE_ALV_GRID_DISPLAY_LVC' 的用法

说明：REUSE_ALV_GRID_DISPLAY_LVC 的用法

REPORT  XXXX.
TYPE-POOLS: slis.
INCLUDE <icon>.

 DATA: u_command TYPE slis_formname VALUE 'USER_COMMAND'.
 DATA: ok_code LIKE sy-ucomm.

  *ALV data declarations
DATA: fieldcatalog TYPE slis_t_fieldcat_alv WITH HEADER LINE.
DATA: it_fieldcat TYPE lvc_t_fcat,     "slis_t_fieldcat_alv WITH HEADER LINE,
      wa_fieldcat TYPE lvc_s_fcat,

      gd_tab_group TYPE slis_t_sp_group_alv,
      gd_layout    TYPE lvc_s_layo,     "slis_layout_alv,
      gd_repid     LIKE sy-repid.

 

* itab definition

TYPES: BEGIN OF t_display.
        INCLUDE STRUCTURE ZTFICO_PPS.
TYPES:   SEL,
        ZNUM TYPE ZNUM,
        field_style TYPE LVC_T_STYL, "FOR DISABLE
      END OF t_display.

 DATA: it_display TYPE STANDARD TABLE OF t_display  WITH HEADER LINE,
      wa_display TYPE t_display.

 

* 屏幕设计略。

* 主程序。

Start-OF-SELCTION.

      SORT it_display by ZNUM EBELN EBELP.   " it_display 为结果输出内表
      PERFORM set_specific_field_attributes.     "  特性设置
      PERFORM build_fieldcatalog CHANGING  it_fieldcat.  " 字段列举
      PERFORM frm_alv_output_data.                " ALV输出

 

* 子程序————————————————————————————————
*&根据条件设置字段是否可编辑
form set_specific_field_attributes .
  DATA ls_stylerow TYPE lvc_s_styl .
  DATA lt_styletab TYPE lvc_t_styl .
  LOOP AT it_display .
    IF it_display-ZFLAG_ZF NE ''.
      ls_stylerow-fieldname = 'ZFLAG_ZF' .
      ls_stylerow-style = cl_gui_alv_grid=>mc_style_disabled.
      "set field to disabled
      APPEND ls_stylerow  TO it_display-field_style.
*可以按上面的代码添加多个字段的是否可修改
      MODIFY it_display .
    ENDIF.
  ENDLOOP.
endform.  

 * 字段列举

 FORM build_fieldcatalog CHANGING  it_fieldcat TYPE lvc_t_fcat.
  PERFORM  frm_fieldcat_init TABLES it_fieldcat
                                USING  'ZNUM' '序号' '0' '6' 'X' '' '' '' 'X'.
  PERFORM  frm_fieldcat_init TABLES it_fieldcat
                                USING  'ZNAME' '供应商名称' '1' '30' 'X' '' '' '' 'X'.
  PERFORM  frm_fieldcat_init TABLES it_fieldcat
                                USING  'EBELN' '采购订单号' '2' '10' 'X' '' '' '' 'X'.
  PERFORM frm_fieldcat_init TABLES it_fieldcat
                                USING 'EBELP' '行项目' '3' '5' 'X' '' '' '' 'X'.
*……

  PERFORM  frm_fieldcat_init TABLES it_fieldcat
                                USING  'ZFLAG_ZF' '支付标识' '19' '1' '' '' 'X' 'X' ''.
ENDFORM.                    "build_fieldcatalog

 

* 字段属性设置

 FORM frm_fieldcat_init TABLES t_fieldcat TYPE lvc_t_fcat
                       USING fieldname TYPE C           " 字段名
                             scrtext_m TYPE C           " 标题
                             col_pos   TYPE I           " 所在列
                             outputlen TYPE I           " 输出长度
                             emphasize TYPE C            " 高亮显示
                             key       TYPE C            " 主键
                             checkbox  TYPE C
                             edit      TYPE C
                             fix_column TYPE C           " 固定列
                               .
  DATA: ls_fieldcat TYPE lvc_s_fcat.
  ls_fieldcat-fieldname   = fieldname.
  ls_fieldcat-scrtext_m   = scrtext_m.
  ls_fieldcat-col_pos     = col_pos.
  ls_fieldcat-outputlen   = outputlen.
  ls_fieldcat-emphasize   = emphasize.
  ls_fieldcat-key         = key.
  ls_fieldcat-checkbox    = checkbox.
  ls_fieldcat-edit        = edit.
  ls_fieldcat-fix_column  = fix_column.
  APPEND ls_fieldcat TO t_fieldcat.
  CLEAR  ls_fieldcat.
ENDFORM.                    "frm_fieldcat_init

 

* ALV输出

 FORM frm_alv_output_data.
  GD_LAYOUT-box_fname  = 'SEL'.
  GD_LAYOUT-stylefname = 'FIELD_STYLE'.
*   GD_LAYOUT-zebra      = 'X'.
  CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY_LVC'
    EXPORTING
      i_callback_program       = sy-repid
      i_callback_pf_status_set = 'FRM_SET_STATUS'   " 激活标准ALV的GUI状态

      i_callback_user_command  = 'USER_COMMAND'
      i_grid_title             = 'PO采购付款计划表'
      it_fieldcat_LVC          = IT_FIELDCAT
      IS_LAYOUT_LVC            = GD_LAYOUT
      i_save                   = 'X'
*      i_structure_name         = 'ZTFICO_PPS'   " 如果允许，则不用再列举字段，直接显示全部表内容
    TABLES
      t_outtab                 = it_display
    EXCEPTIONS
      program_error            = 1
      OTHERS                   = 2.
ENDFORM.                    "frm_alv_output_data

*激活自定义状态栏
FORM frm_set_status USING rt_extab TYPE slis_t_extab.
  CLEAR: rt_extab.
  REFRESH: rt_extab.
  SET PF-STATUS '9001' EXCLUDING rt_extab.
ENDFORM.                    "FRM_SET_STATUS

 

* 用户自定义事件

FORM user_command USING ucomm    TYPE sy-ucomm
                        selfield TYPE slis_selfield.

  data: lo_guid type ref to cl_gui_alv_grid.
  DATA: lr_grid type ref to cl_gui_alv_grid.
  DATA :   lt_index_rows TYPE lvc_t_row.
  DATA : flag_save  TYPE i.
  DATA : lv_index TYPE I.
  CASE ucomm.
    WHEN '&F03' OR 'EXIT' OR 'CANCLE'.
      LEAVE TO SCREEN 0.
    WHEN '&DATA_SAVE'." 保存按钮
*  取得当前alv的grid
      call function 'GET_GLOBALS_FROM_SLVC_FULLSCR'
        IMPORTING
          e_grid = lo_guid.
* 更新数据到内表 （checkbox打钩）
      call method lo_guid->check_changed_data.
*      selfield-refresh = 'X'.
      flag_save = 0.
      LOOP AT it_display WHERE ZFLAG_ZF = 'X' .
        READ TABLE  it_display_save with key  EBELN = it_display-EBELN
                                                                       EBELP = it_display-EBELP
                                                                       BLDAT = it_display-BLDAT
                                                                       ZNUM  = it_display-ZNUM
                                                                       ZFLAG_ZF = ''.
        if sy-subrc = 0 .
          UPDATE ZTFICO_PPS SET ZFLAG_ZF = 'X'
                            WHERE EBELN = it_display-EBELN
                            AND EBELP = it_display-EBELP
                            AND BLDAT = it_display-BLDAT.
          flag_save = flag_save + 1.
        ENDIF.
      ENDLOOP.
      if flag_save > 0 .
        COMMIT WORK.
        MESSAGE '设置支付标识成功！' TYPE 'S'.
      ELSE.
        ROLLBACK WORK.
        MESSAGE '没有修改支付标识或者数据保存失败!' TYPE 'E'.
      ENDIF.
    WHEN '&IC1'.   " 双击显示PO  ME23N
*        取得当前alv的grid
      call function 'GET_GLOBALS_FROM_SLVC_FULLSCR'
        IMPORTING
          e_grid = lr_grid.
      CALL METHOD lr_grid->get_current_cell
        IMPORTING
          e_row     = lv_index.
*      PERFORM frm_click2 USING selfield-fieldname selfield-value..   "根据选择的行字段进行输出
     PERFORM frm_click2 USING lv_index.   "根据选择的行进行输出
  ENDCASE.
ENDFORM.

 

 * 双击行中指定字段，读取到指定的Parameter ID 中。

 *FORM frm_click2  USING    p_selfield_fieldname
*                         p_selfield_value.
*  IF p_selfield_fieldname CS 'EBELN'."双击的字段 采购订单号
*    SET PARAMETER ID 'BES'  FIELD p_selfield_value."字段的参数ID
*    CALL TRANSACTION 'ME23N' AND SKIP FIRST SCREEN.        "要调用的T_code.
*  ENDIF.
*ENDFORM.                    " FRM_CLICK

 

 * 双击行中任意位置，根据行号读取内表指段到指定的Parameter ID 中。
FORM  frm_click2 USING lv_index_c.
    READ TABLE it_display index lv_index_c.
    if sy-subrc = 0.
    SET PARAMETER ID 'BES'  FIELD it_display-EBELN."字段的参数ID
    CALL TRANSACTION 'ME23N' AND SKIP FIRST SCREEN.        "要调用的T_code.
    ENDIF.
ENDFORM.