个人感觉还是OO的方法较简单容易理解。这个实例,包含了grid形式全屏显示, list显示 和 grid在容器里显示的三种情况。
实例需要定义一个screen 0100 ,包含一个名为 ‘CONTAINER’的容器。第一种情况下实现了页眉页脚的显示,对列标题修改,选定行 列以及单元格。
Report YY_ALV_TEST .
*变量定义
TYPES ty_spfli TYPE spfli OCCURS 0.
DATA: gr_table TYPE REF TO cl_salv_table,
gr_funct TYPE REF TO cl_salv_functions,
gr_columns type ref to cl_salv_columns_table,
gr_column type ref to CL_SALV_COLUMN_table.
*选择屏幕设计
SELECTION-SCREEN BEGIN OF BLOCK blk WITH FRAME.
PARAMETERS: p_full RADIOBUTTON GROUP gp,
p_list RADIOBUTTON GROUP gp,
p_grid RADIOBUTTON GROUP gp.
SELECTION-SCREEN END OF BLOCK blk.
*----------------------------------------------------------------------*
* CLASS lcl_alv DEFINITION
*----------------------------------------------------------------------*
* ALV操作类(定义)
*----------------------------------------------------------------------*
CLASS lcl_alv DEFINITION.
PUBLIC SECTION.
METHODS: getdata "取得要显示的数据
RETURNING value(lt_tab) TYPE ty_spfli,
alv_full "全屏Grid列表处理方法
IMPORTING value(lt_tab) TYPE ty_spfli,
alv_list "普通List处理方法
IMPORTING value(lt_tab) TYPE ty_spfli,
alv_grid "在自定义屏幕上显示的列表
IMPORTING value(lt_tab) TYPE ty_spfli,
main. "主方法
ENDCLASS. "lcl_alv DEFINITION
*----------------------------------------------------------------------*
* CLASS lcl_alv IMPLEMENTATION
*----------------------------------------------------------------------*
* ALV操作类(实现)
*----------------------------------------------------------------------*
CLASS lcl_alv IMPLEMENTATION.
*取得要显示的数据
METHOD getdata.
SELECT * INTO TABLE lt_tab FROM spfli.
ENDMETHOD. "getdata
*输出全屏网格列表的方法
METHOD alv_full.
DATA: lr_selections TYPE REF TO cl_salv_selections,
lt_column TYPE salv_t_column,
lt_row TYPE salv_t_row,
lt_cell TYPE salv_t_cell,
ls_cell TYPE salv_s_cell.
DATA: lr_grid TYPE REF TO cl_salv_form_layout_grid,
lr_grid2 TYPE REF TO cl_salv_form_layout_grid,
lr_text TYPE REF TO cl_salv_form_text,
lr_action TYPE REF TO cl_salv_form_action_info,
lr_header TYPE REF TO cl_salv_form_header_info,
lr_label TYPE REF TO cl_salv_form_label.
"创建实例
TRY.
cl_salv_table=>factory(
IMPORTING
r_salv_table = gr_table
CHANGING
t_table = lt_tab
).
CATCH cx_salv_msg.
ENDTRY.
"显示列表
gr_funct = gr_table->get_functions( )."<< 此行和下一行用來顯示標題的功能按鈕
gr_funct->set_all( Abap_True ). ">>
gr_columns = gr_table->get_columns( ).
gr_columns->set_optimize( 'X' ).
gr_column ?= gr_columns->Get_Column( 'PERIOD' ). "<<此行和下一行來隱藏'PERIOD'欄位
gr_column->SET_VISIBLE( abap_false ). ">>
gr_column ?= gr_columns->Get_Column( 'DISTANCE' ). "<<此行和下一行設置列標題顯示名
gr_column->SET_LONG_TEXT('飛行距離' ). ">>
"取得类CL_SALV_SELECTIONS的实例
lr_selections = gr_table->get_selections( ).
"设置选择模式
lr_selections->set_selection_mode( if_salv_c_selection_mode=>row_column ).
"选择列
APPEND 'FLTIME' TO lt_column.
APPEND 'DISTANCE' TO lt_column.
lr_selections->set_selected_columns( lt_column ).
"选择行
APPEND 3 TO lt_row.
APPEND 4 TO lt_row.
lr_selections->set_selected_rows( lt_row ).
"选择一个单元格
ls_cell-row = 7.
ls_cell-columnname = 'CITYFROM'.
lr_selections->set_current_cell( ls_cell ).
"页眉页脚
CREATE OBJECT: lr_grid,lr_grid2.
lr_header = lr_grid->create_header_information(
row = 1
column = 1
text = 'Header Information'
).
lr_label = lr_grid->create_label(
row = 2
column = 1
text = 'Label'
).
lr_action = lr_grid->create_action_information(
row = 3
column = 1
text = 'Action Information'
).
lr_text = lr_grid->create_text(
text = 'text'
row = 4
column = 1
).
gr_table->set_top_of_list( lr_grid ).
lr_text = lr_grid2->create_text(
text = 'end of page'
row = 1
column = 1
).
gr_table->set_end_of_list( lr_grid2 ).
" "弹出窗口设置
" gr_table->set_screen_popup(
" start_column = 1
" end_column = 120
" start_line = 1
" end_line = 20 ).
gr_table->display( ).
ENDMETHOD. "alv_ful
*输出全屏普通列表的方法
METHOD alv_list.
DATA: lr_display TYPE REF TO cl_salv_display_settings.
"创建实例
TRY.
cl_salv_table=>factory(
EXPORTING
list_display = 'X'
IMPORTING
r_salv_table = gr_table
CHANGING
t_table = lt_tab
).
CATCH cx_salv_msg.
ENDTRY.
"显示列表
gr_funct = gr_table->get_functions( ).
gr_funct->set_all( 'X' ).
gr_columns = gr_table->get_columns( ).
gr_columns->set_optimize( 'X' ).
"设置ALV的显示样式
lr_display = gr_table->get_display_settings( ).
lr_display->set_striped_pattern( 'X' ). "设置颜色间隔显示
lr_display->set_list_header( 'Elliott''s ALV Test' ). "设置ALV的抬头
lr_display->set_horizontal_lines( '' ). "设置水平线是否显示
lr_display->set_vertical_lines( '' ). "设置垂直线是否显示
gr_table->display( ).
ENDMETHOD. "alv_list
*输出在自定义屏幕上的列表
METHOD alv_grid.
CALL SCREEN '0100'.
ENDMETHOD. "alv_grid
*主方法,整合数据
METHOD main.
DATA: lt_tab TYPE TABLE OF spfli.
"取得要显示的数据
lt_tab = me->getdata( ).
"判断选择屏幕的选择条件调用不同的方法
CASE 'X'.
WHEN p_full.
me->alv_full( lt_tab ).
WHEN p_list.
me->alv_list( lt_tab ).
WHEN p_grid.
me->alv_grid( lt_tab ).
ENDCASE.
ENDMETHOD. "main
ENDCLASS. "lcl_alv IMPLEMENTATION
*----------------------------------------------------------------------*
* MODULE status_0100
*----------------------------------------------------------------------*
* PBO 屏幕输出前执行
*----------------------------------------------------------------------*
MODULE status_0100 OUTPUT.
"定义变量
DATA: lr_container TYPE REF TO cl_gui_custom_container,
lr_alv2 TYPE REF TO lcl_alv,
lt_tab TYPE TABLE OF spfli.
"创建容器实例
IF cl_salv_table=>is_offline( ) = ''.
CREATE OBJECT lr_container
EXPORTING
container_name = 'CONTAINER'.
ENDIF.
"创建类LCL_ALV实例
CREATE OBJECT lr_alv2.
"取得列表数据
lt_tab = lr_alv2->getdata( ).
"创建ALV实例
TRY.
cl_salv_table=>factory(
EXPORTING
r_container = lr_container
container_name = 'CONTAINER'
IMPORTING
r_salv_table = gr_table
CHANGING
t_table = lt_tab
).
CATCH cx_salv_msg.
ENDTRY.
"显示ALV列表
gr_funct = gr_table->get_functions( ).
gr_funct->set_all( Abap_True ).
gr_columns = gr_table->get_columns( ).
gr_columns->set_optimize( 'X' ).
gr_table->display( ).
"释放内存
FREE lt_tab.
ENDMODULE. "status_0100
*----------------------------------------------------------------------*
* MODULE user_command_0100
*----------------------------------------------------------------------*
* PAI 屏幕输出后的动作
*----------------------------------------------------------------------*
MODULE user_command_0100 INPUT.
ENDMODULE. "user_command_0100
*报表执行
START-OF-SELECTION.
DATA lr_alv TYPE REF TO lcl_alv.
CREATE OBJECT lr_alv.
lr_alv->main( ).