2、OO ALV
OOALV主要通过CL_GUI_ALV_GRID这个类来控制alv的显示。
ALV显示需要屏幕容器，容器对应类:
1、cl_gui_custom_container，默认容器alv自动占满整个容器；
2、cl_gui_docking_container，docking容器alv宽度可以直接调整；
3、cl_gui_splitter_contianer,splitter容器，可以将屏幕划分区域显示多个alv；
2.1、cl_gui_custom_container容器
示例1：OO ALV使用cl_gui_custom_container容器
TABLES:spfli. CLASS cl_event_handle DEFINITION."事件处理类定义 PUBLIC SECTION. "初始化ALV工具栏对象事件，如增加按钮并设定属性 METHODS handle_toolbar FOR EVENT toolbar OF cl_gui_alv_grid IMPORTING e_object e_interactive. "该事件用于在下ALV工具栏的下拉菜单按钮中增加选项 METHODS handle_menu_button FOR EVENT menu_button OF cl_gui_alv_grid IMPORTING e_object e_ucomm. "ALV工具栏按钮的点击事件 METHODS handle_user_command FOR EVENT user_command OF cl_gui_alv_grid IMPORTING e_ucomm. "ALV表格双击事件 METHODS handle_double_click FOR EVENT double_click OF cl_gui_alv_grid IMPORTING e_row "作废 e_column "通过e_column-fieldname 获取点击字段名,点击列 es_row_no. "通过es_row_no-row_id 返回当前行号 "字段的字段目录HOTSPOT设置为"X",热点单击事件 METHODS handle_hotspot_click FOR EVENT HOTSPOT_CLICK of cl_gui_alv_grid IMPORTING E_ROW_ID "作废 E_COLUMN_ID "通过e_column_id-fieldname 获取点击字段名,点击列 ES_ROW_NO. "通过es_row_no-row_id 返回当前行号 ENDCLASS. DATA: gs_toolbar TYPE stb_button. DATA:t_sflight LIKE TABLE OF sflight WITH HEADER LINE. CLASS cl_event_handle IMPLEMENTATION."事件处理类实现部分 METHOD handle_toolbar. gs_toolbar-function = 'B_SUM'."按钮的FunctionCode gs_toolbar-icon = icon_display."按钮图标,通过Tcode:ICON可以查看 gs_toolbar-text = '总行数'."按钮标签 gs_toolbar-butn_type = '0'."定义按钮类型，0为标准按钮，具体取值可参考这里 APPEND gs_toolbar TO e_object->mt_toolbar."添加按钮到工具栏中 gs_toolbar-function = 'B_LIST'."按钮的FunctionCode gs_toolbar-quickinfo = '自定义下拉菜单按钮'."按钮的冒泡提示 gs_toolbar-icon = icon_biw_report_view."按钮图标 gs_toolbar-text = '下拉菜单按钮'."按钮标签 gs_toolbar-butn_type = '1'."定义按钮类型，1为下拉菜单按钮 APPEND gs_toolbar TO e_object->mt_toolbar."添加下拉菜单按钮到工具栏中 ENDMETHOD. METHOD handle_menu_button. IF e_ucomm = 'B_LIST'."给下拉菜单按钮增加选项，可以多次调用该方法以增加多行 CALL METHOD e_object->add_function EXPORTING icon = icon_display fcode = 'B_SUM'"字菜单按钮的FunCode text = '显示ALV总行数'. ENDIF. ENDMETHOD. METHOD handle_user_command. DATA: sum TYPE i . IF e_ucomm = 'B_SUM'. DESCRIBE TABLE t_sflight[] LINES sum. MESSAGE i001(00) WITH '当前ALV表格中的数据总行数为：' sum. ENDIF. ENDMETHOD. "双击事件 METHOD handle_double_click. DATA:temp_message TYPE String. READ TABLE t_sflight INTO t_sflight INDEX es_row_no-row_id. temp_message = '点击列:' && e_column-fieldname && ',行号：' && es_row_no-row_id. MESSAGE i001(00) WITH temp_message. ENDMETHOD. "字段的字段目录HOTSPOT设置为"X",热点单击事件 METHOD handle_hotspot_click. DATA:temp_message TYPE String. temp_message = '点击列:' && e_column_id-fieldname && ',行号:' && es_row_no-row_id. MESSAGE i001(00) WITH temp_message. ENDMETHOD. ENDCLASS. "定义cl_gui_alv_grid 类引用 DATA:alv_grid TYPE REF TO cl_gui_alv_grid. "定义cl_gui_custom_container 容器 DATA:alv_container TYPE REF TO cl_gui_custom_container. "alv显示参数 "字段目录HOTSPOT,热点单击 DATA:fieldcat TYPE lvc_t_fcat. DATA:s_fieldcat TYPE lvc_s_fcat. DATA:layout TYPE lvc_s_layo. "事件 DATA: event_handle TYPE REF TO cl_event_handle."定义类对象的引用 SELECTION-SCREEN BEGIN OF SCREEN 101 as SUBSCREEN. SELECTION-SCREEN BEGIN OF BLOCK blk1 WITH FRAME TITLE title. SELECT-OPTIONS: s_carrid FOR spfli-carrid, s_connid FOR spfli-connid. SELECTION-SCREEN END OF BLOCK blk1. SELECTION-SCREEN END OF SCREEN 101. *初始化 INITIALIZATION. title = '查询条件'. START-OF-SELECTION. CALL SCREEN 100. MODULE STATUS_0100 OUTPUT. SET PF-STATUS 'STA_0100'. * SET TITLEBAR 'xxx'. ENDMODULE. " STATUS_0100 OUTPUT MODULE USER_COMMAND_0100 INPUT. CASE sy-ucomm. WHEN 'EXEC'. "查询数据 SELECT * FROM sflight INTO CORRESPONDING FIELDS OF TABLE t_sflight WHERE carrid IN s_carrid AND connid IN s_connid. IF alv_container IS INITIAL. CREATE OBJECT alv_container"创建ALV容器对象 EXPORTING container_name = 'CONTAINER1'. CREATE OBJECT alv_grid"创建ALV控件 EXPORTING i_parent = alv_container. CALL METHOD alv_grid->set_table_for_first_display EXPORTING i_structure_name = 'sflight' is_layout = layout i_save = 'X'"可以保存变式 CHANGING it_outtab = t_sflight[] it_fieldcatalog = fieldcat[]."如果fieldcat内表为空，则相当于没有配置，采用默认方式显示 CREATE OBJECT :event_handle. "为ALV按钮注册监听事件 SET HANDLER :event_handle->handle_toolbar FOR alv_grid, event_handle->handle_menu_button FOR alv_grid, event_handle->handle_user_command FOR alv_grid, event_handle->handle_double_click FOR alv_grid, event_handle->handle_hotspot_click FOR alv_grid. "调用此方法才能激活工具栏上增加的自定义按钮 CALL METHOD alv_grid->set_toolbar_interactive. ELSE. CALL METHOD alv_grid->refresh_table_display. ENDIF. WHEN 'BACK' or 'EXIT' or 'QUIT'. LEAVE TO SCREEN 0. ENDCASE. ENDMODULE. " USER_COMMAND_0100 INPUT
创建屏幕100逻辑代码:
PROCESS BEFORE OUTPUT. "屏幕输出前操作 MODULE STATUS_0100. "调用子屏幕 CALL SUBSCREEN sub1 INCLUDING sy-repid '101'. * PROCESS AFTER INPUT. "先调用子屏幕,后面module使用到子屏幕数据 CALL SUBSCREEN sub1. "屏幕输入后操作 MODULE USER_COMMAND_0100.
2.2、cl_gui_docking_container容器
示例2：使用cl_gui_docking_container容器：
TABLES:sflight. "alv显示设置 DATA:fieldcat TYPE lvc_t_fcat. DATA:layout TYPE lvc_s_layo. "cl_gui_alv_grid类引用 DATA:alv_grid TYPE REF TO cl_gui_alv_grid. DATA:alv_container TYPE REF TO cl_gui_docking_container. DATA:t_sflight LIKE TABLE OF sflight WITH HEADER LINE. START-OF-SELECTION. CALL SCREEN 100. MODULE USER_COMMAND_0100 INPUT. CASE sy-ucomm. WHEN 'BACK' or 'QUIT' or 'EXIT'. LEAVE TO SCREEN 0. ENDCASE. ENDMODULE. " USER_COMMAND_0100 INPUT MODULE STATUS_0100 OUTPUT. SET PF-STATUS 'STA_0100'. * SET TITLEBAR 'xxx'. ENDMODULE. " STATUS_0100 OUTPUT *&---------------------------------------------------------------------* *& Module OUT_SCREEN OUTPUT *&---------------------------------------------------------------------* * 查询数据，生成docking container对象,显示alv *----------------------------------------------------------------------* MODULE OUT_SCREEN OUTPUT. "查询数据 SELECT * FROM sflight INTO CORRESPONDING FIELDS OF TABLE t_sflight WHERE carrid = 'AA'. "创建container对象 CREATE OBJECT alv_container EXPORTING repid = sy-repid dynnr = sy-dynnr extension = 300."alv宽度 "创建alv对象 CREATE OBJECT alv_grid EXPORTING i_parent = alv_container. "调用显示方法 CALL METHOD alv_grid->set_table_for_first_display EXPORTING i_structure_name = 'sflight' is_layout = layout i_save = 'X'"可以保存变式 CHANGING it_outtab = t_sflight[] it_fieldcatalog = fieldcat[]."如果fieldcat内表为空，则相当于没有配置，采用默认方式显示 ENDMODULE. " OUT_SCREEN OUTPUT
2.3、cl_gui_splitter_container容器
示例3：使用cl_gui_splitter_container容器
TABLES:sflight. "alv显示设置 DATA:fieldcat TYPE lvc_t_fcat. DATA:layout TYPE lvc_s_layo. "cl_gui_alv_grid类引用 DATA:alv_grid TYPE REF TO cl_gui_alv_grid. DATA:alv_grid1 TYPE REF TO cl_gui_alv_grid. DATA:alv_container TYPE REF TO cl_gui_docking_container. "spillter container 对象引用 DATA:alv_splitter_container TYPE REF TO cl_gui_splitter_container. "屏幕容器 DATA:ref_container TYPE REF TO cl_gui_container. DATA:t_sflight LIKE TABLE OF sflight WITH HEADER LINE. START-OF-SELECTION. CALL SCREEN 100. *&---------------------------------------------------------------------* *& Module USER_COMMAND_0100 INPUT *&---------------------------------------------------------------------* * text *----------------------------------------------------------------------* MODULE USER_COMMAND_0100 INPUT. CASE sy-ucomm. WHEN 'BACK' or 'QUIT' or 'EXIT'. LEAVE TO SCREEN 0. ENDCASE. ENDMODULE. " USER_COMMAND_0100 INPUT *&---------------------------------------------------------------------* *& Module STATUS_0100 OUTPUT *&---------------------------------------------------------------------* * text *----------------------------------------------------------------------* MODULE STATUS_0100 OUTPUT. SET PF-STATUS 'STA_0100'. * SET TITLEBAR 'xxx'. ENDMODULE. " STATUS_0100 OUTPUT *&---------------------------------------------------------------------* *& Module OUT_SCREEN OUTPUT *&---------------------------------------------------------------------* * 查询数据，生成docking container对象,显示alv *----------------------------------------------------------------------* MODULE OUT_SCREEN OUTPUT. "查询数据 SELECT * FROM sflight INTO CORRESPONDING FIELDS OF TABLE t_sflight WHERE carrid = 'AA'. "创建container对象 CREATE OBJECT alv_container EXPORTING repid = sy-repid dynnr = sy-dynnr extension = 1200."alv宽度 "创建spillter container对象 CREATE OBJECT alv_splitter_container EXPORTING parent = alv_container rows = 1 columns = 2. "将父容器分为1行两列，两个容器 "调用cl_splitter_container对象方法，获取容器 CALL METHOD alv_splitter_container->get_container EXPORTING row = 1 column = 1 RECEIVING container = ref_container. "创建左边容器alv对象 "创建alv对象 CREATE OBJECT alv_grid EXPORTING i_parent = ref_container. "调用显示方法 CALL METHOD alv_grid->set_table_for_first_display EXPORTING i_structure_name = 'sflight' is_layout = layout i_save = 'X'"可以保存变式 CHANGING it_outtab = t_sflight[] it_fieldcatalog = fieldcat[]."如果fieldcat内表为空，则相当于没有配置，采用默认方式显示 "调用cl_splitter_container对象方法，获取容器 CALL METHOD alv_splitter_container->get_container EXPORTING row = 1 column = 2 RECEIVING container = ref_container. "创建右边容器alv对象 "创建alv对象 CREATE OBJECT alv_grid1 EXPORTING i_parent = ref_container. "调用显示方法 CALL METHOD alv_grid1->set_table_for_first_display EXPORTING i_structure_name = 'sflight' is_layout = layout i_save = 'X'"可以保存变式 CHANGING it_outtab = t_sflight[] it_fieldcatalog = fieldcat[]."如果fieldcat内表为空，则相当于没有配置，采用默认方式显示 ENDMODULE. " OUT_SCREEN OUTPUT