OO ALV 实现方式 ALV TABLE 之标准工具栏

最新推荐文章于 2024-08-08 14:19:00 发布

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最新推荐文章于 2024-08-08 14:19:00 发布

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CC 4.0 BY-SA版权

原文链接：http://www.cnblogs.com/eric0701/archive/2012/09/25/2701488.html

本文详细介绍了如何通过事件处理类和ALV操作类，实现报表的自定义功能，包括获取数据、全屏网格列表处理及主方法整合数据的流程。

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*&---------------------------------------------------------------------*
*& Report  ZALV01
*&
*&---------------------------------------------------------------------*
*&
*&
*&---------------------------------------------------------------------*

REPORT  zalv01.
*变量定义
TYPES ty_spfli TYPE spfli OCCURS 0.
DATA: gr_table     TYPE REF TO cl_salv_table.

*----------------------------------------------------------------------*
*       CLASS lcl_handle_events DEFINITION
*----------------------------------------------------------------------*
*       事件处理类（定义）
*----------------------------------------------------------------------*
CLASS lcl_handle_events DEFINITION.
  PUBLIC SECTION.
    CLASS-METHODS: on_user_command FOR EVENT added_function OF
cl_salv_events
                      IMPORTING e_salv_function.
ENDCLASS.                    "lcl_handle_events DEFINITION

*----------------------------------------------------------------------*
*       CLASS lcl_handle_events IMPLEMENTATION
*----------------------------------------------------------------------*
*       事件处理类（实现）
*----------------------------------------------------------------------*
CLASS lcl_handle_events IMPLEMENTATION.
  METHOD on_user_command.
    DATA l_string TYPE string.
    CONCATENATE 'Function is ' e_salv_function
           INTO l_string
           SEPARATED BY space.
    MESSAGE i000(0k) WITH l_string.
  ENDMETHOD.                    "on_user_command
ENDCLASS.                    "lcl_handle_events IMPLEMENTATION

*----------------------------------------------------------------------*
*       CLASS lcl_alv DEFINITION
*----------------------------------------------------------------------*
*       ALV操作类（定义）
*----------------------------------------------------------------------*
CLASS lcl_alv DEFINITION.
  PUBLIC SECTION.
    METHODS: getdata         "取得要显示的数据
               RETURNING value(lt_tab) TYPE ty_spfli,
             alv_full        "全屏Grid列表处理方法
               IMPORTING value(lt_tab) TYPE ty_spfli,
             main.           "主方法
ENDCLASS.                    "lcl_alv DEFINITION

*----------------------------------------------------------------------*
*       CLASS lcl_alv IMPLEMENTATION
*----------------------------------------------------------------------*
*       ALV操作类（实现）
*----------------------------------------------------------------------*
CLASS lcl_alv IMPLEMENTATION.
*取得要显示的数据
  METHOD getdata.
    SELECT * INTO TABLE lt_tab FROM spfli.
  ENDMETHOD.                    "getdata

*输出全屏网格列表的方法
  METHOD alv_full.
    DATA: lr_functions TYPE REF TO cl_salv_functions,
          lr_events    TYPE REF TO cl_salv_events.

    "创建实例
    TRY.
        cl_salv_table=>factory(
          IMPORTING
            r_salv_table = gr_table
          CHANGING
            t_table      = lt_tab
        ).
      CATCH cx_salv_msg.
    ENDTRY.

    lr_events = gr_table->get_event( ).

    "设置ALV功能
    gr_table->set_screen_status(
    pfstatus      =  'STA100'
    report        =  sy-repid
    set_functions = gr_table->c_functions_all ).

    "注册事件
    SET HANDLER lcl_handle_events=>on_user_command FOR lr_events.

    "显示列表
    gr_table->display( ).
  ENDMETHOD.                    "alv_full

*主方法，整合数据
  METHOD main.
    DATA: lt_tab TYPE TABLE OF spfli.

    "取得要显示的数据
    lt_tab = me->getdata( ).

    me->alv_full( lt_tab ).
  ENDMETHOD.                    "main
ENDCLASS.                    "lcl_alv IMPLEMENTATION

*报表执行
START-OF-SELECTION.
  DATA  lr_alv   TYPE REF TO lcl_alv.
  CREATE OBJECT lr_alv.
  lr_alv->main( ).