OO ALV属于一种SAP UI的框架，是以CFW( Control Framework )为基础实现的：
CL_GUI_OBJECT Proxy Class for a GUI Object
|-- CL_FORMPAINTER_BASEWINDOW SAP Form Painter Window Base Class
| |-- CL_FORMPAINTER_BITMAPWINDOW SAP Form Painter Bitmap Window Class
| |-- CL_FORMPAINTER_TEXTWINDOW SAP Form Painter Text Window Class
|-- CL_GUI_CONTROL Proxy Class for Control in GUI
| |-- CL_DSVAS_GUI_BUSIGRAPH DSVAS: Proxy for Business Graphic
| |-- CL_GFW_GP_PRES_CHART GFW: Product--specific section of CL_GUI_GP_PRES (Chart)
| |-- CL_GFW_GP_PRES_PIG GFW: product specific section for web view
| |-- CL_GFW_GP_PRES_SAP GFW: product--specific section of CL_GUI_GP_PRES (SAP BUSG)
| |-- CL_GUI_ALV_GRID_BASE Basis Class for ALV Grid
| | |-- CL_CALENDAR_CONTROL_SCHEDULE Calendar View (Day, Week, Month)
| | |--CL_GUI_ALV_GRID ALV List Viewer
| | |-- CL_ALV_DD_LISTBOX D&D List Box
| | |-- CL_BUKF_CAT_GRID Key Figures -- Grid of categories
| | |-- CL_BUKF_DSRC_GRID Key Figures -- Grid for Data sources
| | |-- CL_BUKF_FILTER_GRID Key Figures -- Filter for Key Figure
| | |-- CL_BUKF_KF_GRID Key Figures -- Grid for Key Figures
| | |-- CL_BUKF_TERMS_GRID Key Figures -- Grid for terms
| | |-- CL_FTR_GUI_ENTRY_ALV Class: ALV Grid Control for Initial Screen (Without Toolbar)
| | |-- CL_GFW_GP_GRID_ALV ALV grid proxy
| |-- CL_GUI_AQQGRAPHIC_ADAPT Network Adapter
| |-- CL_GUI_AQQGRAPHIC_CONTROL BW Basis Class Network Control
| | |-- CL_GUI_AQQGRAPHIC_NETPLAN Network Control
| |-- CL_GUI_BARCHART Bar chart wrapper
| |-- CL_GUI_BORDERPAINTER SAP Border Painter Control Proxy Class
| |-- CL_GUI_BTFEDITOR SAP BTF Editor Control Proxy Class
| |-- CL_GUI_CALENDAR Calendar Control Proxy Class
| |-- CL_GUI_CHART_ENGINE_WIN Graphics: Presentation Graphics (SAP GUI for Windows)
| |-- CL_GUI_CONTAINER Abstract Container for GUI Controls
| | |-- CL_GUI_CONTAINER_INFO Information on Container Controls
| | |-- CL_GUI_CUSTOM_CONTAINER Container for Custom Controls in the Screen Area
| | |-- CL_GUI_DIALOGBOX_CONTAINER Container for Custom Controls in the Screen Area
| | | |-- CL_ECL_VIEWER_FRAME Manage EAI Control in Own Window
| | | |-- CL_GUI_ECL_VIEWERBOX ECL Viewer as Dialog Box
| | |-- CL_GUI_DOCKING_CONTAINER Docking Control Container
| | |-- CL_GUI_EASY_SPLITTER_CONTAINER Reduced Version of Splitter Container Control
| | | |-- CL_EU_EASY_SPLITTER_CONTAINER Internal Test; Do Not Use
| | |-- CL_GUI_GOS_CONTAINER Generic Object Services Container
| | |-- CL_GUI_SIMPLE_CONTAINER Anonymous Container
| | |-- CL_GUI_SPLITTER_CONTAINER Splitter Control
| |-- CL_GUI_ECL_2DCOMPARE Compare Module for 2D Viewer
| |-- CL_GUI_ECL_3DCOMPARE Compare Module for 3D Viewer
| |-- CL_GUI_ECL_3DMEASUREMENT Measurement Module for 3D Viewer
| |-- CL_GUI_ECL_3DSECTIONING Sectioning Module for 3D Viewer
| |-- CL_GUI_ECL_MARKUP Markup (Redlining) Component
| |-- CL_GUI_ECL_PMI PMI Module for the 3D Viewer
| |-- CL_GUI_ECL_PRIMARYVIEWER Basis Class for ECL Viewers (2D und 3D)
| | |-- CL_GUI_ECL_2DVIEWER Engineering Client 2D Viewer
| | |-- CL_GUI_ECL_3DVIEWER Engineering Client 3D Viewer
| |-- CL_GUI_ECL_VIEWER Proxy Class for Engineering Client Viewer
| |-- CL_GUI_FORMPAINTER SAP Form Painter Control Proxy Class
| |-- CL_GUI_GLT Internal; Do Not Use!
| |-- CL_GUI_GP GFW: Superclass of all graphics proxies
| | |-- CL_GUI_GP_GRID GFW: Grid proxy
| | |-- CL_GUI_GP_HIER GFW: Structure graphics
| | |-- CL_GUI_GP_PRES GFW: Business graphic
| |-- CL_GUI_GRLT Internal; Do Not Use !! ( restricted license -- see docu)
| |-- CL_GUI_HTML_EDITOR HTML Editor
| |-- CL_GUI_ILIDRAGNDROP_CONTROL Interactive List: Drag & Drop
| |-- CL_GUI_MOVIE SAP Movie Control
| |-- CL_GUI_NETCHART Network wrapper
| | |-- CL_GFW_GP_HIER_SAP GFW: Product--specific section of CL_GUI_GP_HIER (NETZ)
| |-- CL_GUI_PDFVIEWER PDF Viewer
| |-- CL_GUI_PICTURE SAP Picture Control
| |-- CL_GFW_GP_PRES_WEB GFW: product specific section for web view
| |-- CL_GUI_RTF_EDITOR SAP SAPscript Editor Control
| | |-- CL_GUI_SAPSCRIPT_EDITOR SAP SAPscript Editor Control
| |-- CL_GUI_SELECTOR SAPSelector: Control for selecting colors or bitmaps
| |-- CL_GUI_SPH_STATUS_CONTROL SAPphone: Status Event Control
| |-- CL_GUI_TABLEPAINTER SAP Table Painter Control Proxy Class
| |-- CL_GUI_TIMER SAP Timer Control
| |-- CL_GUI_TOOLBAR Toolbar Control
| | |-- CL_CCMS_AL_GUI_TOOLBAR Alerts: GUI Toolbar Used in the Visual Framework
| |-- CL_GUI_WCF_WWP Internal Tool -- DO NOT USE
| |-- CL_KW_AUTOMATION_CONTROL Helper Class for General Automation Objects
| |-- CL_LC_EDITOR_CONTROL Lifecycle Editor Control
| | |-- CL_GCM_LCEDITOR_CONTROL Control for the display of definition life cycles
| |-- CL_SOTR_SPELLCHECKER Interface with OTR Spellchecker
| |-- CL_SRM_BASE_CONTROL SRM Control
| | |-- CL_SRM_STACKED_CONTROL RM Control with Stack
| |-- CL_TREE_CONTROL_BASE Internal Tree Control Class
| | |--CL_GUI_SIMPLE_TREE(参考《User Dialogs.docx》文档) Simple Tree Control
| | |-- CL_ITEM_TREE_CONTROL Internal Tree Control Class
| | |-- CL_GUI_COLUMN_TREE Column Tree Control
| | | |-- BDMT_CONTROL Administers Tree Control for Monitoring
| | | |-- CL_BUCC_TREE Consistency Checks -- Library Tree
| | | |-- CL_GFW_COLUMN_TREE Do not use!!!!!!!!
| | | |-- CL_GFW_GP_HIER_SAPTREE GFW: Product--specific section of CL_GUI_GP_HIER
| | | |-- CL_HU_COLUMN_TREE Tree that Displays Handling Units
| | |-- CL_GUI_LIST_TREE List Tree Control
| |-- C_OI_CONTAINER_CONTROL_PROXY For Internal Use
| |-- SCE_HTML_CONTROL_EVENT_HANDLER Event Handler for SCE HTML Control
| |-- CL_ALV_TREE_BASE Basis Class ALV Tree Control
| | |-- CL_GUI_ALV_TREE ALV Tree Control
| | | |-- CL_GCM_WORKLIST_TREE CM: Worklist
| | | |-- CL_PT_GUI_TMW_ALV_TREE Small Modification to CL_GUI_ALV_TREE
| | |-- CL_GUI_ALV_TREE_SIMPLE Simple ALV Tree
| | |-- CL_SIMPLE_TREE_VIEW_MM Simplest Kind of Tree
| |-- CL_GUI_ECATT_RECORDER SAP eCATT Recorder Control -- To be used by eCATT only!
| |-- CL_GUI_TEXTEDIT(参考《User Dialogs.docx》文档) SAP TextEdit Control
| | |-- CL_GCM_TEXTEDIT CM: Long text control
| | |-- CL_SOTR_TEXTEDIT Edit Control for the OTR
| |-- CL_GUI_HTML_VIEWER HTML Control Proxy Class
| |-- CL_BFW_HTML_VIEWER_POC Browser Framework: Proxy for HTML Control
| |-- CL_CCMS_BSP_VIEWER HTML Control Proxy Class
| | |-- CL_CCMS_AL_OBJ_DET_HTML_VIEWER Alerts: Component That Displays Object Properties with HTML
| |-- CL_CCMS_FROG_HTML_VIEWER CL_GUI_FROG_HTML_VIEWER
| |-- CL_SSF_HTML_VIEWER Smart Forms: Enhanced HTML Viewer
|-- CL_GUI_ECL_MATRIX Represents a Complete Data Type with 13 Floats
|-- CL_GUI_RESOURCES GUI Resources (Fonts, Colors, ...)
| |-- CL_WF_GUI_RESOURCES Getting Front Settings
| |-- CL_WF_GUI_RESOURCES_4_HTML Get Front Settings for HTML Generation
|-- CL_KW_AUTOMATION_OBJECT For Internal Use
|-- CL_TABLEPAINTER_BASETABLE SAP Table Painter Table Base Class
| |-- CL_TABLEPAINTER_TABLE SAP Table Painter Table Class
| |-- CL_TABLEPAINTER_TEMPLATE SAP Table Painter Template Class
|-- C_OI_AUTOMATION_OBJECT For Internal Use
|-- CL_GUI_FRONTEND_SERVICES Frontend services
汪正军博客OO ALV
其中包括：
LVC_S_FACT，LVC_S_LAYO的介绍，
set_table_for_first_display方法的介绍，
隐藏标准工具栏，
refresh_table_display的参数( 可设置滚动条和布局和字段目录 )，
工具栏新增自定义按钮，
容器，
常用方法：get_current_cell获取鼠标所在网格位置；get_frontend_layout；get_frontend_fieldcat；get_selected_cells；
get_selected_columns；refresh_table_display；
常用事件：double_click双击；hotspot_click单击热点；增加button；数据变化data_changed(_finished)；按钮单击事件button_click；刷新布局；HTTP超链接；下拉框；单元格风格；