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# Combobox标签
ComboBox下拉列表组件
```
xml
<h:combobox
placeholder=
"combobox"
valuePrimitive=
"true"
dataTextField=
"text"
dataValueField=
"value"
bind=
"enabled: isEnabled, source: comboboxSource, value:data.productId"
style=
"width: 100%;"
/>
```
### **主要属性**
属性名 | 类型
-------- | ---
animation | Boolean
autoBind | Boolean
autoWidth | Boolean
cascadeFrom| String
cascadeFromField | String
clearButton| Boolean
dataSource | DataSource
dataTextField | String
dataValueField| String
delay | Number
enable | Boolean
enforceMinLength| Boolean
filter | String
fixedGroupTemplate| String
\|
Function
footerTemplate| String
\|
Function
groupTemplate| String
\|
Function
height| Number
highlightFirst| Boolean
ignoreCase| Boolean
index| Number
minLength| Number
noDataTemplate| String
\|
Function
placeholder | String
suggest| Boolean
headerTemplate| String
\|
Function
template| String
\|
Function
text| String
value| String
valuePrimitive| Boolean
virtual| Boolean
change| Function
close| Function
dataBound | Function
filtering| Function
open| Function
select| Function
cascade| Function
> 属性用法请参考KendoUI文档 [http://docs.telerik.com/kendo-ui/api/javascript/ui/combobox](http://docs.telerik.com/kendo-ui/api/javascript/ui/combobox)
### **用法示例**
```
javascript
//定义数据源DataSource
var
dataSource
=
new
kendo
.
data
.
DataSource
({
data
:[
"one"
,
"two"
]
});
//下拉列表渲染函数
var
itemTemplate
=
function
(){
//...
}
//选中某一个列表选项后触发
function
onComboboxChange
(
e
){
var
value
=
this
.
value
();
// Use the value of the widget.
}
//以上两种函数定义方法皆可
```
```
xml
<h:combobox
id=
"combobox"
dataSource=
"dataSource"
clearButton=
"true"
placeholder=
"test"
enable=
"false"
template=
"fn:itemTemplate"
change=
"onComboboxChange"
/>
```
> **提示:** 某些属性类型为**String \| Function** 时,表明它可以定义为字符串或者函数。因此当需要定义为Function时需要增加前缀**fn:**来区分(例如函数template="fn:itemTemplate" )
### **主要子节点**
*
animation
*
popup
*
virtual
### **animation**
主要用来定义动画效果,例如打开关闭效果
*
open 打开效果
*
close 关闭效果
属性| 类型
------ |----
effects| String
duration| Number
```
xml
<h:combobox
id=
"combobox"
>
<h:animation>
<h:close
effects=
"zoom:out"
duration=
"300"
/>
<h:open
effects=
"zoom:in"
duration=
"300"
/>
</h:animation>
</h:combobox>
```
### **popup**
弹出窗口设置
属性| 类型
--------|------
appendTo| String
origin | String
position| String
```
xml
<h:combobox
id=
"combobox"
>
<h:popup
appendTo=
"container"
origin=
"top left"
position=
"top left"
/>
</h:combobox>
```
### **virtual**
动态加载相关设置
属性 | 类型
-----------|-----
itemHeight | Number
mapValueTo | String
valueMapper| Function
```
javascript
function
valueMapper
(){
$
.
ajax
({
url
:
"http://demos.telerik.com/kendo-ui/service/Orders/ValueMapper"
,
type
:
"GET"
,
dataType
:
"jsonp"
,
data
:
convertValues
(
options
.
value
),
success
:
function
(
data
)
{
//the **data** is either index or array of indices.
//Example:
// 10258 -> 10 (index in the Orders collection)
// [10258, 10261] -> [10, 14] (indices in the Orders collection)
options
.
success
(
data
);
}
})
}
```
```
xml
<h:combobox
id=
"combobox"
>
<h:virtual
itemHeight =
"20"
mapValueTo=
"index"
valueMapper=
"valueMapper"
/>
</h:combobox>
```
# hlsCombobox标签
hlsCombobox 下拉列表组件
```
xml
<h:
hlsCombobox
placeholder=
"combobox"
valuePrimitive=
"true"
dataTextField=
"text"
dataValueField=
"value"
bind=
"enabled: isEnabled, source: comboboxSource, value:data.productId"
style=
"width: 100%;"
/>
```
### **主要属性**
| 属性名 | 类型 |
| --- | --- |
| animation | Boolean |
| autoBind | Boolean |
| autoWidth | Boolean |
| cascadeFrom | String |
| cascadeFromField | String |
| clearButton | Boolean |
| dataSource | DataSource |
| dataTextField | String |
| dataValueField | String |
| delay | Number |
| enable | Boolean |
| enforceMinLength | Boolean |
| filter | String |
| fixedGroupTemplate | String
\|
Function |
| footerTemplate | String
\|
Function |
| groupTemplate | String
\|
Function |
| height | Number |
| highlightFirst | Boolean |
| ignoreCase | Boolean |
| index | Number |
| minLength | Number |
| noDataTemplate | String
\|
Function |
| placeholder | String |
| suggest | Boolean |
| headerTemplate | String
\|
Function |
| template | String
\|
Function |
| text | String |
| value | String |
| valuePrimitive | Boolean |
| virtual | Boolean |
| change | Function |
| close | Function |
| dataBound | Function |
| filtering | Function |
| open | Function |
| select | Function |
| cascade | Function |
> 属性用法请参考KendoUI文档 [http:\/\/docs.telerik.com\/kendo-ui\/api\/javascript\/ui\/combobox](http://docs.telerik.com/kendo-ui/api/javascript/ui/combobox)
### **用法示例**
```
javascript
//定义数据源DataSource
var
dataSource
=
new
kendo
.
data
.
DataSource
({
data
:[
"one"
,
"two"
]
});
//下拉列表渲染函数
var
itemTemplate
=
function
(){
//...
}
//选中某一个列表选项后触发
function
onComboboxChange
(
e
){
var
value
=
this
.
value
();
// Use the value of the widget.
}
//以上两种函数定义方法皆可
```
```
xml
<h:combobox
id=
"combobox"
dataSource=
"dataSource"
clearButton=
"true"
placeholder=
"test"
enable=
"false"
template=
"fn:itemTemplate"
change=
"onComboboxChange"
/>
```
> **提示:** 某些属性类型为**String \| Function** 时,表明它可以定义为字符串或者函数。因此当需要定义为Function时需要增加前缀**fn:**来区分\(例如函数template="fn:itemTemplate" \)
### **主要子节点**
*
animation
*
popup
*
virtual
### **animation**
主要用来定义动画效果,例如打开关闭效果
*
open 打开效果
*
close 关闭效果
| 属性 | 类型 |
| --- | --- |
| effects | String |
| duration | Number |
```
xml
<h:combobox
id=
"combobox"
>
<h:animation>
<h:close
effects=
"zoom:out"
duration=
"300"
/>
<h:open
effects=
"zoom:in"
duration=
"300"
/>
</h:animation>
</h:combobox>
```
### **popup**
弹出窗口设置
| 属性 | 类型 |
| --- | --- |
| appendTo | String |
| origin | String |
| position | String |
```
xml
<h:combobox
id=
"combobox"
>
<h:popup
appendTo=
"container"
origin=
"top left"
position=
"top left"
/>
</h:combobox>
```
### **virtual**
动态加载相关设置
| 属性 | 类型 |
| --- | --- |
| itemHeight | Number |
| mapValueTo | String |
| valueMapper | Function |
```
javascript
function
valueMapper
(){
$
.
ajax
({
url
:
"http://demos.telerik.com/kendo-ui/service/Orders/ValueMapper"
,
type
:
"GET"
,
dataType
:
"jsonp"
,
data
:
convertValues
(
options
.
value
),
success
:
function
(
data
)
{
//the **data** is either index or array of indices.
//Example:
// 10258 -> 10 (index in the Orders collection)
// [10258, 10261] -> [10, 14] (indices in the Orders collection)
options
.
success
(
data
);
}
})
}
```
```
xml
<h:combobox
id=
"combobox"
>
<h:virtual
itemHeight =
"20"
mapValueTo=
"index"
valueMapper=
"valueMapper"
/>
</h:combobox>
```
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