ALV demo：cl_salv_table :Add Header (Top of page) &_SAP刘梦_新浪博客

x效果图：

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code：

code：
*&---------------------------------------------------------------------* 
*& Report  ZLM_ALV_007 
*& 
*&---------------------------------------------------------------------* 
*& 
*& 
*&---------------------------------------------------------------------* 

REPORT zlm_alv_007 . 
*----------------------------------------------------------------------* 
*       Code to Apply Filters to SALV Table Display 
*----------------------------------------------------------------------* 
*       CLASS lcl_report DEFINITION 
*----------------------------------------------------------------------* 
CLASS lcl_report  DEFINITION . 
* 
   PUBLIC  SECTION . 
* 

* 
     DATA : gt_spfli  TYPE  STANDARD  TABLE  OF spfli . 
* 
*   ALV reference 
     DATA : o_alv  TYPE  REF  TO cl_salv_table . 
* 
     METHODS : 
*     data selection 
      get_data , 
* 
*     Generating output 
      generate_output . 
* 
*$*$*.....CODE_ADD_1 - Begin..................................1..*$*$* 
* 
*    In this section we will define the private methods which can 
*      be implemented to set the properties of the ALV and can be 
*      called in the 
* 
   PRIVATE  SECTION . 
     METHODS : 
      set_pf_status 
         CHANGING 
          co_alv  TYPE  REF  TO cl_salv_table . 
* 
     METHODS : 
      set_filters 
         CHANGING 
          co_alv  TYPE  REF  TO cl_salv_table . 


*   Set Top of page 
     METHODS : 
      set_top_of_page 
         CHANGING 
          co_alv  TYPE  REF  TO cl_salv_table . 
* 
*   Set End of page 
     METHODS : 
      set_end_of_page 
         CHANGING 
          co_alv  TYPE  REF  TO cl_salv_table . 

*$*$*.....CODE_ADD_1 - End....................................1..*$*$* 
* 
ENDCLASS .                     "lcl_report DEFINITION 
* 
* 
START-OF-SELECTION . 
   DATA : lo_report  TYPE  REF  TO lcl_report . 
* 
   CREATE OBJECT lo_report . 
* 
  lo_report ->get_data (  ) . 
* 
  lo_report ->generate_output (  ) . 
* 
*----------------------------------------------------------------------* 
*       CLASS lcl_report IMPLEMENTATION 
*----------------------------------------------------------------------* 
CLASS lcl_report  IMPLEMENTATION . 
* 
   METHOD get_data . 
*   data selection 
     SELECT *  INTO  TABLE gt_spfli 
            FROM  spfli . 
* 
   ENDMETHOD .                     "get_data 
* 
*....................................................................... 
   METHOD generate_output . 
* New ALV instance 
*   We are calling the static Factory method which will give back 
*   the ALV object reference. 
* 
* exception class 
     DATA : lx_msg  TYPE  REF  TO cx_salv_msg . 
     TRY . 
        cl_salv_table =>factory ( 
           IMPORTING 
            r_salv_table  = o_alv 
           CHANGING 
            t_table