最近开发在执海关合同维护系统时，对进口料件的汇总，由于栏位显示与出口成品的品种多少相关，所以显示的栏位是不确定的，为此研究了一番。
同样，在报关时，不管是对出口成品还是进口料件报关，栏位显示都与出口成品品种或进口料件品种相关。在同一行上显示所有的出口成品或进口料件，对于操作人员来说都是一件易操作的表现。
程序设计要注意事项：
第一、 每一张合同中出口成品品种数量的多少确定；
第二、 每一种或每类出口成品共同属性是否具有相同性，比如在进口料件汇总表中对于每一类出口成品都有单耗、损耗，数量，耗边料数特性。
第三、 进口料件汇总表固定列位确定。
第四、 动态创建内表区域。
动态创建报关数量登记表：
perform container_free_2.
perform create_structure_1 USING len '进口料件'.
perform create_table_display_2.
perform ctable_for_atci.
form container_free_2.
if not g_custom_container_2 is initial .
call method g_custom_container_2->free.
clear g_custom_container_2.
endif.
endform.
form create_structure_1 USING II mtart. "报关出口成品相关处理
DATA : ERTXT TYPE string,
ERTTX TYPE string,
ERNUM TYPE string,
ERIND TYPE I.
clear it_structure[].
wa_structure-fieldname = 'BGDHA'. " 第一列列名 报关单号
wa_structure-col_pos = 1. " 表示第一列
wa_structure-inttype = 'C'. " 数据类型
wa_structure-intlen = 18. " 长度
wa_structure-decimals = 0 .
wa_structure-ref_table = '' .
wa_structure-ref_field = '' .
wa_structure-coltext = '报关单号' .
wa_structure-seltext = '报关单号' .
wa_structure-just = 'C' .
wa_structure-edit = 'X' .
wa_structure-outputlen = 18 .
wa_structure-fix_column = 'X' .
APPEND wa_structure TO it_structure.
wa_structure-fieldname = 'BUDAT'. "报关日期
wa_structure-col_pos = 2.
wa_structure-inttype = 'D'.
wa_structure-intlen = 18.
wa_structure-decimals = 0 .
wa_structure-ref_table = 'ZSD19ATCI' .
wa_structure-ref_field = 'BUDAT' .
wa_structure-coltext = '日期' .
wa_structure-seltext = '日期' .
wa_structure-just = 'C' .
wa_structure-edit = 'X' .
wa_structure-outputlen = 12 .
wa_structure-fix_column = 'X' .
APPEND wa_structure TO it_structure.
erind = 2 .
DO II TIMES.
ernum = ernum + 1 .
erind = erind + 1.
CONCATENATE 'ERFMG' ernum into ERTXT.
CONCATENATE mtart ernum into ERTTX.
CONDENSE ERTXT NO-GAPS.
CONDENSE ERTTX NO-GAPS.
wa_structure-fieldname = ERTXT. "报关数量，对应每一个出口成品
wa_structure-col_pos = erind.
wa_structure-inttype = 'P'.
wa_structure-intlen = 13.
wa_structure-decimals = 3 .
wa_structure-ref_table = 'ZSD19ATCI' .
wa_structure-ref_field = 'ERFMG' .
wa_structure-coltext = ERTTX .
wa_structure-seltext = ERTTX .
wa_structure-just = 'R' .
wa_structure-edit = 'X' .
* wa_structure-do_sum = 'X'.
wa_structure-outputlen = 13 .
wa_structure-fix_column = '' .
APPEND wa_structure TO it_structure.
ENDDO.
endform.
form create_table_display_2.
create object g_custom_container_2
exporting container_name = g_container_2.
create object g_grid
exporting i_parent = g_custom_container_2.
endform.
form ctable_for_atci.
data: gs_layout type lvc_s_layo.
data: lt_exclude type ui_functions.
data: retxt type string,
renum type string.
clear gt_fieldcat[] .
clear it_fieldcat[].
perform exclude_tb_functions changing lt_exclude.
perform cfield_atci using '' changing gt_fieldcat it_fieldcat.
perform f4_alv_field.
assign new_table->* to <l_table>.
create data new_line like line of <l_table>.
assign new_line->* to <l_line>.
clear <l_table>[].
create data old_table like <l_table>.
assign old_table->* to <old_table>.
* <l_table>[] = t_sunh[] .
loop at r_atci.
ASSIGN COMPONENT 'BGDHA' OF STRUCTURE <l_line> TO <l_field>.
<l_field> = r_atci-bgdha.
ASSIGN COMPONENT 'BUDAT' OF STRUCTURE <l_line> TO <l_field>.
<l_field> = r_atci-budat.
loop at t_atci where hname = r_atci-hname and bgdha = r_atci-bgdha and budat = r_atci-budat.
clear s_atci.
read table s_atci with key hname = t_atci-hname extwg = t_atci-extwg.
renum = sy-tabix.
concatenate 'ERFMG' renum into retxt.
ASSIGN COMPONENT retxt OF STRUCTURE <l_line> TO <l_field>.
<l_field> = t_atci-erfmg.
endloop.
INSERT <l_line> INTO TABLE <l_table>.
endloop.
set handler z_receiver->handle_before_user_command for g_grid.
set handler z_event_double->handle_onf4 for g_grid.
call method g_grid->register_edit_event
exporting
i_event_id = cl_gui_alv_grid=>mc_evt_enter.
call method g_grid->register_f4_for_fields
exporting
it_f4 = lt_f4.
call method g_grid->set_table_for_first_display
exporting
is_layout = gs_layout
it_toolbar_excluding = lt_exclude
i_save = 'A'
* i_buffer_active = 'X'
changing
* IT_SORT = GB_SORTFLD
it_outtab = <l_table>[]
it_fieldcatalog = gt_fieldcat[]
it_sort = gt_sort .
call method g_grid->set_ready_for_input "处于非编辑状态
exporting
i_ready_for_input = 1.
call method cl_gui_control=>set_focus "设置焦点在go_grid 上
exporting
control = g_grid .
<old_table>[] = <l_table>[].
CALL METHOD cl_gui_cfw=>flush
EXCEPTIONS
cntl_system_error = 1
cntl_error = 2.
endform. "ctable_for_atci
form cfield_atci using dab changing pt_fieldcat type lvc_t_fcat ft_fieldcat type lvc_t_fcat.
data : stnum type i.
clear lf_fieldcat[].
loop at it_structure into wa_structure.
“宏
m_fieldcat wa_structure-fieldname wa_structure-ref_table wa_structure-ref_field wa_structure-coltext wa_structure-just wa_structure-edit wa_structure-outputlen wa_structure-fix_column.
endloop.
loop at lf_fieldcat.
if lf_fieldcat-fieldname = 'BGDHA' OR lf_fieldcat-fieldname = 'BUDAT' . "设置关键字段
lf_fieldcat-key = 'X' .
lf_fieldcat-F4AVAILABL = 'X'.
modify lf_fieldcat index sy-tabix.
endif.
if lf_fieldcat-ref_field = 'ERFMG'.
lf_fieldcat-do_sum = 'X' . "汇总求和
lf_fieldcat-no_zero = 'X' . "隐藏零
modify lf_fieldcat index sy-tabix.
endif.
if lf_fieldcat-fieldname = 'ERFMO'.
lf_fieldcat-coltext = dab.
lf_fieldcat-emphasize = 'C601' . "红色
modify lf_fieldcat index sy-tabix.
endif.
if lf_fieldcat-fieldname = 'ZJLYL'.
lf_fieldcat-emphasize = 'C601' . "红色
modify lf_fieldcat index sy-tabix.
endif.
if lf_fieldcat-fieldname+0(4) = 'FLAG'.
lf_fieldcat-emphasize = 'C61' . "深红色
modify lf_fieldcat index sy-tabix.
endif.
endloop.
append lines of lf_fieldcat to pt_fieldcat.
clear lf_fieldcat[].
loop at it_structure into wa_structure.
st_fieldcat wa_structure-fieldname wa_structure-col_pos wa_structure-inttype wa_structure-intlen wa_structure-decimals.
endloop.
append lines of lf_fieldcat to ft_fieldcat .
clear new_table .
call method cl_alv_table_create=>create_dynamic_table
exporting
it_fieldcatalog = it_fieldcat
importing
ep_table = new_table.
endform. "cfield_atci
转自：http://blog.chinaunix.net/u1/50618/showart_1915346.html