FM實現F4幫助系列三：彈出框多篩選…

?FM實現F4幫助系列三：彈出框多篩選條件的搜索幫助（根據搜索幫助篩選字段）

函數：F4IF_GET_SHLP_DESCR

F4IF_START_VALUE_REQUEST

效果圖：

本例子代碼：

找到需要的幫助:

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

*& Report ?ZLM_TEST_045

REPORT ?zlm_test_045.

TABLES makt.

DATA:

BEGIN OF str_f4,

matnr TYPE matnr,

maktx ?TYPE maktx,

END OF str_f4.

DATA:l_it_f4 LIKE TABLE OF str_f4.

SELECTION-SCREEN BEGIN OF BLOCK b1 WITH FRAME TITLE text-t01.

SELECT-OPTIONS:

s_matnr ?FOR makt-matnr NO INTERVALS.

SELECTION-SCREEN END OF BLOCK b1.

"幫助

AT SELECTION-SCREEN ON VALUE-REQUEST FOR s_matnr-low.

SELECT * FROM makt INTO CORRESPONDING FIELDS OF TABLE l_it_f4.

PERFORM frm_f4." ?USING 'S_MATNR-LOW' .

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

*& 搜索幫助

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

FORM frm_f4.

DATA g_shlp_descr_t ? ? ? ? ? ? TYPE shlp_descr_t.

DATA gwa_shlp_descr_t_interface TYPE ddshiface.

DATA: gt_return_tab ? TYPE TABLE OF ddshretval WITH HEADER LINE.

"調用標準幫助

CALL FUNCTION 'F4IF_GET_SHLP_DESCR'

EXPORTING

shlpname = 'MAT1W'

shlptype = 'SH'

IMPORTING

shlp ? ? = g_shlp_descr_t.

LOOP AT g_shlp_descr_t-interface INTO gwa_shlp_descr_t_interface.

IF gwa_shlp_descr_t_interface = 'MATNR'.

gwa_shlp_descr_t_interface-valfield = 'X'.

MODIFY g_shlp_descr_t-interface FROM gwa_shlp_descr_t_interface.

ENDIF.

ENDLOOP.

CALL FUNCTION 'F4IF_START_VALUE_REQUEST'

EXPORTING

shlp ? ? ? ? ?= g_shlp_descr_t

maxrecords ? ?= 500

multisel ? ? ?= 'X'

TABLES

return_values = gt_return_tab.

"獲取選中值 可以多選 擁有select options

LOOP AT gt_return_tab.

s_matnr-sign = 'I'.

s_matnr-option = 'EQ'.

s_matnr-low = gt_return_tab-fieldval.

APPEND s_matnr.

ENDLOOP.

ENDFORM. ? ? ? ? ? ? ? ? ? ?" FRM_F4

另外一個F4增強的例子，也是添加篩選字段：

http://blog.sina.com.cn/s/blog_c0978c9b0101h1qf.html