SAP提供了预定义函数F4IF_SHLP_EXIT_EXAMPLE，创建搜索帮助。
1.
2.复制SAP的预定义函数F4IF_SHLP_EXIT_EXAMPLE创建函数ZFVBELN_FIND_EXIT
参数和预定义函数一致，这里我们调用‘SELECT’这个时间点来进行数据的查询输出，自定义的帮助出口函数中的具体代码如下：
1 FUNCTION zfvbeln_find_exit.
2 *"----------------------------------------------------------------------
3 *"*"Local interface:
4 *" TABLES
5 *" SHLP_TAB TYPE SHLP_DESCT
6 *" RECORD_TAB STRUCTURE SEAHLPRES
7 *" CHANGING
8 *" VALUE(SHLP) TYPE SHLP_DESCR
9 *" VALUE(CALLCONTROL) LIKE DDSHF4CTRL STRUCTURE DDSHF4CTRL
10 *"----------------------------------------------------------------------
11 DATA:BEGIN OF lt_tab OCCURS 0,
12 vbeln TYPE vbeln_vl,
13 lfdat TYPE lfdat_v,
14 wbstk TYPE wbstk,
15 END OF lt_tab.
16
17 DATA:r_vbeln TYPE RANGE OF vbeln_vl WITH HEADER LINE,
18 r_lfdat TYPE RANGE OF lfdat_v WITH HEADER LINE,
19 r_wbstk TYPE RANGE OF wbstk WITH HEADER LINE,
20 ddshselops TYPE ddshselopt.
21 IF callcontrol-step = ‘SELECT‘.
22 LOOP AT shlp-selopt INTO ddshselops.
23 CASE ddshselops-shlpfield.
24 WHEN ‘VBELN‘.
25 MOVE-CORRESPONDING ddshselops TO r_vbeln.
26 APPEND r_vbeln.
27 WHEN ‘LFDAT‘.
28 MOVE-CORRESPONDING ddshselops TO r_lfdat.
29 APPEND r_lfdat.
30 WHEN ‘WBSTK‘.
31 MOVE-CORRESPONDING ddshselops TO r_wbstk.
32 APPEND r_wbstk.
33 ENDCASE.
34 ENDLOOP.
35
36 *根据输入参数查询数据
37 SELECT likp~vbeln likp~lfdat INTO CORRESPONDING FIELDS OF TABLE lt_tab FROM likp
38 INNER JOIN vbuk
39 ON likp~vbeln = vbuk~vbeln
40 WHERE likp~vbeln IN r_vbeln
41 AND likp~lfdat IN r_lfdat
42 AND vbuk~wbstk IN r_wbstk.
43
44 *将查询结果回执到屏幕上来
45 CALL FUNCTION ‘F4UT_RESULTS_MAP‘
46 * EXPORTING
47 * SOURCE_STRUCTURE =
48 * APPLY_RESTRICTIONS = ‘ ‘
49 TABLES
50 shlp_tab = SHLP_TAB
51 record_tab = RECORD_TAB
52 source_tab = LT_TAB
53 changing
54 shlp = SHLP
55 callcontrol = CALLCONTROL
56 EXCEPTIONS
57 ILLEGAL_STRUCTURE = 1
58 OTHERS = 2
59 .
60 IF sy-subrc <> 0.
61 MESSAGE ID SY-MSGID TYPE SY-MSGTY NUMBER SY-MSGNO
62 WITH SY-MSGV1 SY-MSGV2 SY-MSGV3 SY-MSGV4.
63 ENDIF.
64 *下一个时间点直接转到DISP，否则无法再屏幕上显示帮助列表
65 callcontrol-step = ‘DISP‘. ""
66
67 ENDIF.
68
69
70
71
72 ENDFUNCTION.
激活函数和搜索帮助，允许测试搜索帮助结果如下：
时间： 2024-08-21 23:03:55