ABAP实现ALV表头的DEMO：

效果：

源代码：

 *&---------------------------------------------------------------------*

 *& Report  Z_ALV_DEMO

 *&

 *&---------------------------------------------------------------------*

 *&

 *&

 *&---------------------------------------------------------------------*

 REPORT  Z_ALV_DEMO NO STANDARD PAGE HEADING.

 TABLES ZEMP_TEST.

 DATA: IT_ZEMP TYPE STANDARD TABLE OF ZEMP_TEST,

       IW_ZEMP TYPE ZEMP_TEST.

 TYPE-POOLS : SLIS.

 DATA :

        IT_EVENT TYPE SLIS_T_EVENT, "不能有表头,否则会RUNTIME ERROR

        IT_LISTHEADER TYPE SLIS_T_LISTHEADER.

 PARAMETERS P_DEPT TYPE ZEMP_TEST-EDEPT.

 START-OF-SELECTION.

   PERFORM FRM_GET_EVENT.

   PERFORM FRM_GET_DATA.

   PERFORM FRM_COMMENT_BUILD.

   PERFORM FRM_ALV_DISPLAY.

 *&---------------------------------------------------------------------*

 *&      Form  FRM_GET_DATA

 *&---------------------------------------------------------------------*

 *       text

 *----------------------------------------------------------------------*

 *  -->  p1        text

 *  <--  p2        text

 *----------------------------------------------------------------------*

 FORM FRM_GET_DATA .

   SELECT *

     FROM ZEMP_TEST

     INTO TABLE IT_ZEMP

    WHERE EDEPT = P_DEPT.

   IF SY-SUBRC <> .

     MESSAGE S001() WITH '不存在符合条件的数据' DISPLAY LIKE 'E'.

     STOP.

   ENDIF.

 ENDFORM.                    " FRM_GET_DATA

 *&---------------------------------------------------------------------*

 *&      Form  FRM_ALV_DISPLAY

 *&---------------------------------------------------------------------*

 *       text

 *----------------------------------------------------------------------*

 *  -->  p1        text

 *  <--  p2        text

 *----------------------------------------------------------------------*

 FORM FRM_ALV_DISPLAY .

   DATA LW_REPID TYPE SY-REPID.

   LW_REPID = SY-REPID.

   CALL FUNCTION 'REUSE_ALV_GRID_DISPLAY'

    EXPORTING

 *     I_INTERFACE_CHECK                 = ' '

 *     I_BYPASSING_BUFFER                = ' '

 *     I_BUFFER_ACTIVE                   = ' '

      I_CALLBACK_PROGRAM                = LW_REPID

 *     I_CALLBACK_PF_STATUS_SET          = ' '

 *     I_CALLBACK_USER_COMMAND           = ' '

 *     I_CALLBACK_TOP_OF_PAGE            = ' '

 *     I_CALLBACK_HTML_TOP_OF_PAGE       = ' '

 *     I_CALLBACK_HTML_END_OF_LIST       = ' '

      I_STRUCTURE_NAME                  = 'ZEMP_TEST'

 *     I_BACKGROUND_ID                   = ' '

      I_GRID_TITLE                      = 'ALV DEMO'

 *     I_GRID_SETTINGS                   =

 *     IS_LAYOUT                         =

 *     IT_FIELDCAT                       =

 *     IT_EXCLUDING                      =

 *     IT_SPECIAL_GROUPS                 =

 *     IT_SORT                           =

 *     IT_FILTER                         =

 *     IS_SEL_HIDE                       =

 *     I_DEFAULT                         = 'X'

 *     I_SAVE                            = ' '

 *     IS_VARIANT                        =

      IT_EVENTS                         = IT_EVENT

 *     IT_EVENT_EXIT                     =

 *     IS_PRINT                          =

 *     IS_REPREP_ID                      =

 *     I_SCREEN_START_COLUMN             = 0

 *     I_SCREEN_START_LINE               = 0

 *     I_SCREEN_END_COLUMN               = 0

 *     I_SCREEN_END_LINE                 = 0

 *     I_HTML_HEIGHT_TOP                 = 0

 *     I_HTML_HEIGHT_END                 = 0

 *     IT_ALV_GRAPHICS                   =

 *     IT_HYPERLINK                      =

 *     IT_ADD_FIELDCAT                   =

 *     IT_EXCEPT_QINFO                   =

 *     IR_SALV_FULLSCREEN_ADAPTER        =

 *   IMPORTING

 *     E_EXIT_CAUSED_BY_CALLER           =

 *     ES_EXIT_CAUSED_BY_USER            =

     TABLES

       T_OUTTAB                          = IT_ZEMP

 *   EXCEPTIONS

 *     PROGRAM_ERROR                     = 1

 *     OTHERS                            = 2

             .

   IF SY-SUBRC <> .

 *   MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO

 *           WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

   ENDIF.

 ENDFORM.                    " FRM_ALV_DISPLAY

 *&---------------------------------------------------------------------*

 *&      Form  FRM_GET_EVENT

 *&---------------------------------------------------------------------*

 *       text

 *----------------------------------------------------------------------*

 *  -->  p1        text

 *  <--  p2        text

 *----------------------------------------------------------------------*

 FORM FRM_GET_EVENT .

 * EVENTS

 *SLIS_EV_ITEM_DATA_EXPAND  TYPE SLIS_FORMNAME VALUE 'ITEM_DATA_EXPAND',

 *SLIS_EV_REPREP_SEL_MODIFY TYPE SLIS_FORMNAME VALUE 'REPREP_SEL_MODIFY',

 *SLIS_EV_CALLER_EXIT_AT_START TYPE SLIS_FORMNAME VALUE 'CALLER_EXIT',

 *SLIS_EV_USER_COMMAND       TYPE SLIS_FORMNAME VALUE 'USER_COMMAND',

 *SLIS_EV_TOP_OF_PAGE        TYPE SLIS_FORMNAME VALUE 'TOP_OF_PAGE',

 *SLIS_EV_DATA_CHANGED       TYPE SLIS_FORMNAME VALUE 'DATA_CHANGED',

 *SLIS_EV_TOP_OF_COVERPAGE  TYPE SLIS_FORMNAME VALUE 'TOP_OF_COVERPAGE',

 *SLIS_EV_END_OF_COVERPAGE  TYPE SLIS_FORMNAME VALUE 'END_OF_COVERPAGE',

 *SLIS_EV_FOREIGN_TOP_OF_PAGE TYPE SLIS_FORMNAME

 *                                       VALUE 'FOREIGN_TOP_OF_PAGE',

 *SLIS_EV_FOREIGN_END_OF_PAGE TYPE SLIS_FORMNAME

 *                                       VALUE 'FOREIGN_END_OF_PAGE',

 *SLIS_EV_PF_STATUS_SET      TYPE SLIS_FORMNAME VALUE 'PF_STATUS_SET',

 *SLIS_EV_LIST_MODIFY        TYPE SLIS_FORMNAME VALUE 'LIST_MODIFY',

 *SLIS_EV_TOP_OF_LIST        TYPE SLIS_FORMNAME VALUE 'TOP_OF_LIST',

 *SLIS_EV_END_OF_PAGE        TYPE SLIS_FORMNAME VALUE 'END_OF_PAGE',

 *SLIS_EV_END_OF_LIST        TYPE SLIS_FORMNAME VALUE 'END_OF_LIST',

 *SLIS_EV_AFTER_LINE_OUTPUT TYPE SLIS_FORMNAME VALUE 'AFTER_LINE_OUTPUT',

 *SLIS_EV_BEFORE_LINE_OUTPUT TYPE SLIS_FORMNAME VALUE

 *                                                 'BEFORE_LINE_OUTPUT',

 *SLIS_EV_SUBTOTAL_TEXT      TYPE SLIS_FORMNAME VALUE 'SUBTOTAL_TEXT',

 *SLIS_EV_GROUPLEVEL_CHANGE  TYPE SLIS_FORMNAME VALUE

 *                                                  'GROUPLEVEL_CHANGE',

 *SLIS_EV_CONTEXT_MENU       TYPE SLIS_FORMNAME VALUE 'CONTEXT_MENU'.

   DATA: FORMNAME_TOP_OF_PAGE TYPE SLIS_FORMNAME VALUE 'FRM_TOP_OF_PAGE'.

   DATA L_EVENTS TYPE SLIS_ALV_EVENT.

   CALL FUNCTION 'REUSE_ALV_EVENTS_GET'

     EXPORTING

       I_LIST_TYPE     =

     IMPORTING

       ET_EVENTS       = IT_EVENT

     EXCEPTIONS

       LIST_TYPE_WRONG =

       OTHERS          = .

   IF SY-SUBRC <> .

     MESSAGE ID SY-MSGID TYPE SY-MSGTY

         NUMBER SY-MSGNO

           WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.

   ENDIF.

 * 在事件(字段名:NAME)为"TOP_OF_PAGE"的行中

 *将FORM名(字段名:FORM)设为"FRM_TOP_OF_PAGE"

 * 这样,系统就会自动PERFORM FRM_TOP_OF_PAGE.

   CLEAR L_EVENTS.

   READ TABLE IT_EVENT

         WITH KEY NAME = SLIS_EV_TOP_OF_PAGE

         INTO L_EVENTS.

   IF SY-SUBRC = .

     MOVE FORMNAME_TOP_OF_PAGE TO L_EVENTS-FORM.

     MODIFY IT_EVENT FROM L_EVENTS INDEX SY-TABIX.

   ELSE.

     L_EVENTS-FORM = FORMNAME_TOP_OF_PAGE.

     L_EVENTS-NAME = FORMNAME_TOP_OF_PAGE.

     APPEND L_EVENTS TO IT_EVENT.

   ENDIF.

 ENDFORM.                    " FRM_GET_EVENT

 *&---------------------------------------------------------------------*

 *&      Form  FRM_TOP_OF_PAGE

 *&---------------------------------------------------------------------*

 *       表头

 *----------------------------------------------------------------------*

 *  -->  p1        text

 *  <--  p2        text

 *----------------------------------------------------------------------*

 FORM  FRM_TOP_OF_PAGE.

   CALL FUNCTION 'REUSE_ALV_COMMENTARY_WRITE'

     EXPORTING

       IT_LIST_COMMENTARY       = IT_LISTHEADER

       I_LOGO                   = 'ENJOYSAP_LOGO'

 *     I_END_OF_LIST_GRID       =

 *     I_ALV_FORM               =

       .

 * "TCODE:OAOR,CLASS

 * NAME:PICTURES,CLASS TYPE :OT,执行,可以看到所有的PICTURE

 ENDFORM.                    "FRM_TOP_OF_PAGE

 *&---------------------------------------------------------------------*

 *&      Form  FRM_COMMENT_BUILD

 *&---------------------------------------------------------------------*

 *       text

 *----------------------------------------------------------------------*

 *  -->  p1        text

 *  <--  p2        text

 *----------------------------------------------------------------------*

 FORM FRM_COMMENT_BUILD .

   DATA LW_LISTHEADER TYPE SLIS_LISTHEADER.

   CLEAR: IT_LISTHEADER, LW_LISTHEADER.

   LW_LISTHEADER-TYP  = 'H'.

   LW_LISTHEADER-INFO = 'ALV DEMO'.

   APPEND LW_LISTHEADER TO IT_LISTHEADER.

   CLEAR LW_LISTHEADER.

   LW_LISTHEADER-TYP  = 'S'.

   LW_LISTHEADER-KEY  = '用户:'.

   LW_LISTHEADER-INFO = SY-UNAME.

   APPEND LW_LISTHEADER TO IT_LISTHEADER.

   CLEAR LW_LISTHEADER.

   LW_LISTHEADER-TYP  = 'S'.

   LW_LISTHEADER-KEY  = '日期:'.

   LW_LISTHEADER-INFO = SY-DATUM.

   APPEND LW_LISTHEADER TO IT_LISTHEADER.

 ENDFORM.                    " FRM_COMMENT_BUILD

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