（转）Ext.form.ComboBox最常用的一些属性和方法

属性 ??view?:?Ext.DataView ????方法 ??ComboBox(?Object?config?) ??构造 ????clearValue()?:?void?? 清除所有文本/值对 ????collapse()?:?void?? expand()?:?void?? 收起/展开下拉列表 ????doQuery(?String?query,?Boolean?forceAll?)?:?void?? 执行查询 ????getValue()?:?String ??选择当前字段的值 ????isExpanded()?:?void?? 下拉列表是展开的? ????select(?Number?index,?Boolean?scrollIntoView?)?:?void?? 选中第index列表项 ????selectByValue(?String?value,?Boolean?scrollIntoView?)?:?Boolean ??选中值为value的列表项 ????setEditable(?Boolean?value?)?:?void?? 设editable属性为value ????setValue(?String?value?)?:?void?? 设置当前值为 ????配置{ ??allQuery?:?String?//'' ?? autoCreate?:?Boolean/Object?//{tag:?"input",?type:?"text",?size:?"24",?autocomplete:?"off"} ?? displayField?:?String?//显示字段 ?? editable?:?Boolean?//true当然就是combobox了,如果不可编辑就是一个select了 ?? forceSelection?:?Boolean ??handleHeight?:?Number?//如果resiable为真时,设置 ?? hiddenName?:?String ??lazyInit?:?Boolean?//除非得到焦点才开始初始化列表,默认为真 ?? lazyRender?:?Boolean?//除非请求,才开始输出,默认为假 ?? listAlign?:?String?//对齐方式,参见Ext.Element.alignTo,默认为'tl-bl' ?? listClass?:?String ??listWidth?:?Number ??loadingText?:?String?//仅当mode?=?'remote'时调用数据时显示的文本 ?? maxHeight?:?Number?//300 ?? minChars?:?Number?//最少输入多少个字开始响应,远程时默认为4,本地为0,如果不可编辑则此值无效 ?? minListWidth?:?Number ??mode?:?String?//可选值local/remote之一,从本地还是远程取数据 ?? pageSize?:?Number?//在远程模式下,如果此值大于0会在底部显示一个翻页工具条 ?? queryDelay?:?Number?//查询延时,远程默认为500,本地10 ?? queryParam?:?String?//查询参数,默认为query ?? resizable?:?Boolean ??selectOnFocus?:?Boolean ??selectedClass?:?String ??shadow?:?Boolean/String?//True或"sides"为默认风格,?"frame"?for?4-way?shadow,?and?"drop"?for?bottom-right ?? store?:?Ext.data.Store ??title?:?String ??transform?:?Mixed?//对应一个select元素,可以将select转为combobox对象 ?? triggerAction?:?String?//点击按钮时的动作.默认为query ?? triggerClass?:?String ??typeAhead?:?Boolean?//false ?? typeAheadDelay?:?Number?//250 ?? valueField?:?String ??valueNotFoundText?:?String?//值不存在时的提示信息 ?? } ????事件 ??beforequery?:?(?Object?queryEvent?) ??beforeselect?:?(?Ext.form.ComboBox?combo,?Ext.data.Record?record,?Number?index?) ??collapse?:?(?Ext.form.ComboBox?combo?) ??expand?:?(?Ext.form.ComboBox?combo?) ??select?:?(?Ext.form.ComboBox?combo,?Ext.data.Record?record,?Number?index?) ?