ABAP Search Help 返回多列值到荧幕

*-----------------------------------------------------
ALV:
AT SELECTION-SCREEN ON VALUE-REQUEST FOR S_PER.
　　PERFORM NUMBER_SHLP_xxxx.
*------------------------------------------------------
form NUMBER_SHLP_ZHDNO_EB_01 using P_TABNAME P_FIELDNAME changing P_FIELDVALUE.
  data LT_RETURN type table of DDSHRETVAL.
  data P_FIELD type HELP_INFO-DYNPROFLD.
  P_FIELD = P_TABNAME && '-' && P_FIELDNAME.

  select DISTINCT *
    from LIPS
    into table @data(LT_NO)
    where VGBEL = @ZDB_HEAD-EBELN.

  call function 'F4IF_INT_TABLE_VALUE_REQUEST'
    exporting
*     DDIC_STRUCTURE  = ' '
      RETFIELD        = 'ZHDNO' "返回LT_NO的栏位
*     PVALKEY         = ' '
      DYNPPROG        = SY-REPID "返回的输入框所在的main program
      DYNPNR          = SY-DYNNR "返回的输入框所在屏幕
      DYNPROFIELD     = P_FIELD "荧幕绑定的字段
*     STEPL           = 0
*     WINDOW_TITLE    =
*     VALUE           = ' '
      VALUE_ORG       = 'S'
*     MULTIPLE_CHOICE = ' '
*     DISPLAY         = ' '
     CALLBACK_PROGRAM       = SY-REPID
     CALLBACK_FORM   = 'RETURN_MUL_COLS_F07_03'"返回多列值 
*     CALLBACK_METHOD =
*     MARK_TAB        =
*   IMPORTING
*     USER_RESET      =
    tables
      VALUE_TAB       = LT_NO”Search help显示的内表
*     FIELD_TAB       =
      RETURN_TAB      = LT_RETURN
*     DYNPFLD_MAPPING =
    exceptions
      PARAMETER_ERROR = 1
      NO_VALUES_FOUND = 2
      others          = 3.
  if SY-SUBRC <> 0.
    message id SY-MSGID type SY-MSGTY number SY-MSGNO
                        with SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
  else.
    if LT_RETURN[] is not initial.
      P_FIELDVALUE  = LT_RETURN[ 1 ]-FIELDVAL."P_FIELDVALUE荧幕中所对应的栏位
    endif.
  endif.
endform.

FORM RETURN_MUL_COLS_F07_03 TABLES record_tab STRUCTURE seahlpres
  CHANGING shlp TYPE shlp_descr
    callcontrol LIKE ddshf4ctrl.

  DATA: interface LIKE LINE OF shlp-interface.
  READ TABLE shlp-interface INTO interface INDEX 1.
  interface-shlpfield+4(1) = '5'."返回荧幕栏位的字段索引
  interface-valfield = 'ZDB_ITEM-CHARG'."返回荧幕的字段ID
  APPEND interface TO shlp-interface.
ENDFORM.