FM实现F4帮助系列三：弹出框多筛选…

 FM实现F4帮助系列三：弹出框多筛选条件的搜索帮助（根据搜索帮助筛选字段）

函数：F4IF_GET_SHLP_DESCR

F4IF_START_VALUE_REQUEST

效果图：

本例子代码：

找到需要的帮助:

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

*& 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.

"帮助

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' .

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

*& 搜索帮助

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

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.

"调用标准帮助

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.

"获取选中值 可以多选 拥有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

另外一个F4增强的例子，也是添加筛选字段：

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