SUBMIT标准程序取ALV数据

示例1：

调用J3RFLVMOBVEDH ，取物料的期初/ 期末庫存数、金额

FORM frm_call_j3rflvmobvedh.
  DATA: lr_bukrs TYPE RANGE OF bukrs,
        ls_bukrs LIKE LINE OF lr_bukrs,
        lr_datum TYPE RANGE OF datum,
        ls_datum LIKE LINE OF lr_datum.

  DATA: lo_data TYPE REF TO data.
  DATA: lv_buper TYPE buper.
  FIELD-SYMBOLS:
        <fs_t_data> TYPE ANY TABLE.

  ls_bukrs-sign = 'I'.
  ls_bukrs-option = 'EQ'.
  ls_bukrs-low = p_bukrs.
  APPEND ls_bukrs TO lr_bukrs.

* Caculate the first & last day of the Month
  lv_buper = |{ gv_gjahr }{ gv_monat }|.

  ls_datum-sign = 'I'.
  ls_datum-option = 'BT'.
  ls_datum-low = gv_start_date.
  ls_datum-high = gv_end_date.
  APPEND ls_datum TO lr_datum.

  cl_salv_bs_runtime_info=>set(
    EXPORTING
      display        = abap_false
      metadata       = abap_false
      data           = abap_true
  ).

  SUBMIT j_3rmobvedh
    WITH so_bukrs IN lr_bukrs
    WITH so_werks IN s_werks
    WITH so_lgort IN s_lgort
    WITH so_matnr IN s_matnr
    WITH so_budat IN lr_datum
    WITH p_xnegp = 'X'
    AND RETURN.

  TRY.
      cl_salv_bs_runtime_info=>get_data_ref(
        IMPORTING
            r_data = lo_data
      ).
      ASSIGN lo_data->* TO <fs_t_data>.
    CATCH cx_salv_bs_sc_runtime_info.
*      MESSAGE '无法获取ALV数据' TYPE 'E'.
      MESSAGE s004 DISPLAY LIKE 'E'.
      LEAVE LIST-PROCESSING.
  ENDTRY.
  IF <fs_t_data> IS ASSIGNED.
    gt_3rmobvedh_total = <fs_t_data>.
  ENDIF.
  cl_salv_bs_runtime_info=>clear_all( ).
ENDFORM.

View Code

示例2：
调用 MB51 ，1 取物料查询期间的物料移动数据，2取各个进耗存类别数量、金额

FORM frm_material_list .
  DATA: lv_va TYPE slis_vari.
  DATA: lr_mjahr TYPE RANGE OF mjahr,
        ls_mjahr LIKE LINE OF lr_mjahr,
        lr_datum TYPE RANGE OF datum,
        ls_datum LIKE LINE OF lr_datum.
  DATA: lo_data TYPE REF TO data.
  FIELD-SYMBOLS:
    <fs_t_data> TYPE ANY TABLE,
    <ls_data>   TYPE any.


  ls_datum-sign = 'I'.
  ls_datum-option = 'BT'.
  ls_datum-low = gv_start_date.
  ls_datum-high = gv_end_date.
  APPEND ls_datum TO lr_datum.
**通过查询条件形成range
  ls_mjahr(3) = 'IEQ'.
  ls_mjahr-low = p_buper+0(4).
  APPEND ls_mjahr TO lr_mjahr.

  PERFORM frm_get_variant CHANGING lv_va."获取程序变式

***为后续获取ALV数据做设置
  cl_salv_bs_runtime_info=>set(
     EXPORTING
       display  = abap_false
       metadata = abap_false
       data     = abap_true ).


  SUBMIT rm07docs           " Tcode MB51
    WITH matnr IN s_matnr   "物料
    WITH werks IN s_werks   "工厂
    WITH lgort IN s_lgort   "库位
    WITH budat IN lr_datum  "过账日期
    WITH rhier_l = ''
    WITH rflat_l = abap_true"扁平结构
    WITH database = abap_true "读取数据库
    WITH alv_def = lv_va"变式
      AND RETURN.
**    WITH charg IN s_charg   "批次
*    WITH lifnr IN s_lifnr   "供应商
*    WITH kunnr IN s_kunnr   "客户
*    WITH bwart IN s_bwart   "移动类型
*    WITH sobkz IN s_sobkz   "特殊库存
*    WITH aufnr IN s_aufnr   "生产订单
*    WITH kostl IN s_kostl   "成本中心
*    WITH mat_kdau IN s_kdau "销售订单
*    WITH mat_kdpo IN s_kdpo "销售订单行项目
*    WITH rsnum IN s_rsnum   "预留
*    WITH rspos IN s_rspos   "预留行
*    WITH usnam IN s_usnam   "用户
*    WITH vgart IN s_vgart
*    WITH mblnr IN s_mblnr
*    WITH mjahr IN lr_mjahr
*    WITH budat IN lr_datum
*    WITH xblnr IN s_xblnr
  
  TRY.
      cl_salv_bs_runtime_info=>get_data_ref(
      IMPORTING
        r_data  = lo_data ).
      ASSIGN lo_data->* TO <fs_t_data>.
    CATCH cx_salv_bs_sc_runtime_info.
      MESSAGE '无法获取ALV数据' TYPE 'E'.
  ENDTRY.
  cl_salv_bs_runtime_info=>clear_all( ).

  IF <fs_t_data> IS ASSIGNED.
    LOOP AT <fs_t_data> ASSIGNING <ls_data>.
      MOVE-CORRESPONDING <ls_data> TO gt_itab.
      APPEND gt_itab.
    ENDLOOP.
  ENDIF.

  SORT gt_itab.
  DELETE ADJACENT DUPLICATES FROM gt_itab COMPARING ALL FIELDS.

ENDFORM.

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遇到某些需求，顾问要的就是某张标准程序的某些栏位，逻辑很难理清楚，特别是取期初，期末库存，或者是某个特定日期的库存，
所以就要调用标准程序取数

以下参考博文：https://www.cnblogs.com/dy-debug/p/5791534.html

程序间获取ALV数据的两种方法：

方法1：通过修改SUBMIT的目标程序,把内表EXPORT到内存，SUBMIT后IMPORT ,该方法需要修改目标程序，可以任意设置目标程序的中断点；

示例：

* Execute transaction IA09 to get all Functional Location Tasklists
  SUBMIT riplko10
    WITH SELECTION-TABLE lt_selscreen
    WITH pn_iflo  = abap_true  "Select Func Loc Tasklists
    WITH dy_tcode = 'IA09'
    WITH dy_selm  = 'D'        "Dark mode
    AND RETURN
  IMPORT sel_tab FROM MEMORY ID 'RIPLKO10'.

这种方法性能比较高但是依赖源程序，需要事先将需要的数据EXPORT到内存，如果是标准程序就需要做增强。

方法2：SUBMIT前屏蔽ALV GRID的显示，使用SUBMIT,然后调用

CL_SALV_BS_RUNTIME_INFO=>GET_DATA_REF

方法获取数据，（包括显示数据，布局数据，字段数据，过滤器等），这个是SAP提供的API所以我们不关心如何存储，所以该方法不需要修改目标程序就可以直接得到ALV显示的结果，

但不能设置目标程序的中断点，需显示ALV的函数执行完毕方可获取到数据。

FIELD-SYMBOLS <lt_pay_data>   TYPE ANY TABLE.
  DATA lr_pay_data              TYPE REF TO data.
  DATA lt_selscreen             TYPE TABLE OF rsparams.

  "初始设置
  CALL METHOD cl_salv_bs_runtime_info=>set
    EXPORTING
      display  = abap_false
      metadata = abap_false
      data     = abap_true.

* 调用目标程序
  SUBMIT h99cwtr0
    WITH SELECTION-TABLE lt_selscreen
     AND RETURN.

  TRY.

      "获取ALV显示数据
      CALL METHOD cl_salv_bs_runtime_info=>get_data_ref
        IMPORTING
          r_data = lr_pay_data.

      ASSIGN lr_pay_data->* TO <lt_pay_data>.
    CATCH cx_salv_bs_sc_runtime_info.

      MESSAGE `无法取得ALV术` TYPE 'E'.
  ENDTRY.

  "结束
  cl_salv_bs_runtime_info=>clear_all( ).

CL_SALV_BS_RUNTIME_INFO 与读取 ALV相关的方法：

SET() - 此方法初始化类（清除内存区域），然后允许标志的设置让任何后续ALV对象如何工作。它应该在装程序调用ALV报告程序之前被调用。

参数：

- DISPLAY - 将它设为abap_false强制所有后续ALV报告在“黑暗模式”下运行，也就是说，ALV不会被输出到GUI。
- METADATA - 将它设为abap_false防止基本信息（布局，字段目录等）被取到内存中......一般我们不需要。
- DATA - 将它设为abap_true迫使数据表导出到内存而不是显示报表。

GET_DATA_REF（） - 非常灵活的GET_DATA*方法，这种方法可以用来访问该数据表变量的引用（动态而且易用），所以即使不知道ALV数据表的结构也没关系。

参数：