ExtJS里的Xtype的对应组件

xtype：在EXTJS的可视化组件部署中的一种机制，即通过指定xtype的值，来告诉容量如何初始化所包含的级件，如xtype:"textfiled",表示使用Ext.form.TextFile来进行初始化当前组件。

xtype            Class
-------------    ------------------
box              Ext.BoxComponentbutton           Ext.Buttonbuttongroup      Ext.ButtonGroupcolorpalette     Ext.ColorPalettecomponent        Ext.Componentcontainer        Ext.Containercycle            Ext.CycleButtondataview         Ext.DataViewdatepicker       Ext.DatePickereditor           Ext.Editoreditorgrid       Ext.grid.EditorGridPanelflash            Ext.FlashComponentgrid             Ext.grid.GridPanellistview         Ext.ListViewpanel            Ext.Panelprogress         Ext.ProgressBarpropertygrid     Ext.grid.PropertyGridslider           Ext.Sliderspacer           Ext.Spacersplitbutton      Ext.SplitButtontabpanel         Ext.TabPaneltreepanel        Ext.tree.TreePanelviewport         Ext.ViewPortwindow           Ext.WindowToolbar components
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paging           Ext.PagingToolbartoolbar          Ext.Toolbartbbutton         Ext.Toolbar.Button        (deprecated; use button)
tbfill           Ext.Toolbar.Filltbitem           Ext.Toolbar.Itemtbseparator      Ext.Toolbar.Separatortbspacer         Ext.Toolbar.Spacertbsplit          Ext.Toolbar.SplitButton   (deprecated; use splitbutton)
tbtext           Ext.Toolbar.TextItemMenu components
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menu             Ext.menu.Menucolormenu        Ext.menu.ColorMenudatemenu         Ext.menu.DateMenumenubaseitem     Ext.menu.BaseItemmenucheckitem    Ext.menu.CheckItemmenuitem         Ext.menu.Itemmenuseparator    Ext.menu.Separatormenutextitem     Ext.menu.TextItemForm components
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form             Ext.FormPanelcheckbox         Ext.form.Checkboxcheckboxgroup    Ext.form.CheckboxGroupcombo            Ext.form.ComboBoxdatefield        Ext.form.DateFielddisplayfield     Ext.form.DisplayFieldfield            Ext.form.Fieldfieldset         Ext.form.FieldSethidden           Ext.form.Hiddenhtmleditor       Ext.form.HtmlEditorlabel            Ext.form.Labelnumberfield      Ext.form.NumberFieldradio            Ext.form.Radioradiogroup       Ext.form.RadioGrouptextarea         Ext.form.TextAreatextfield        Ext.form.TextFieldtimefield        Ext.form.TimeFieldtrigger          Ext.form.TriggerFieldChart components
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chart            Ext.chart.Chartbarchart         Ext.chart.BarChartcartesianchart   Ext.chart.CartesianChartcolumnchart      Ext.chart.ColumnChartlinechart        Ext.chart.LineChartpiechart         Ext.chart.PieChartStore xtypes
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arraystore       Ext.data.ArrayStoredirectstore      Ext.data.DirectStoregroupingstore    Ext.data.GroupingStorejsonstore        Ext.data.JsonStoresimplestore      Ext.data.SimpleStore      (deprecated; use arraystore)
store            Ext.data.Storexmlstore         Ext.data.XmlStore

defaults：xtypes的默认值，如：

 defaults:{xtype:"textfield",width:180},

 items:[{fieldLabel:"帐号"},{fieldLabel:"密码"}],