Commit 5db93804 authored by Jefferyne's avatar Jefferyne

Updates 前端组件/DataSource.md

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parent 0b5a1ede
# dataSource标签
数据源组件
```xml
<h:dataSource id="gridDataSource" batch="true" pageSize="10" serverPaging="true" error="requestError">
<h:transport parameterMap="parameterMap">
<h:read url="${base.contextPath}/sys/resource/query" type="POST" dataType="json"/>
<h:create url="${base.contextPath}/sys/resource/submit" type="POST" contentType="application/json"/>
<h:update url="${base.contextPath}/sys/resource/submit" type="POST" contentType="application/json"/>
<h:destroy url="${base.contextPath}/sys/resource/remove" type="POST" contentType="application/json"/>
</h:transport>
<h:schema data="rows" total="total" errors="schemaError">
<h:model id="resourceId" editable="dsEditable">
<h:fields>
<h:item name="loginRequire" defaultValue="Y" type="boolean" checkedValue="Y" uncheckedValue="N"/>
<h:item name="accessCheck" defaultValue="Y" type="boolean" checkedValue="Y" uncheckedValue="N"/>
<h:item name="type" defaultValue=""/>
<h:item name="url">
<h:validation required="true"/>
</h:item>
<h:item name="name">
<h:validation required="true"/>
</h:item>
</h:fields>
</h:model>
</h:schema>
</h:dataSource>
```
### **主要属性**
| 属性名 | 类型 |
| --- | --- |
| data | Array & String |
| autoSync | Boolean |
| batch | Boolean |
| page | Integer |
| pageSize | Integer |
| serverAggregates | Boolean |
| serverFiltering | Boolean |
| serverGrouping | Boolean |
| serverPaging | Boolean |
| serverSorting | Boolean |
| type | String |
| change | Function |
| error | Function |
| push | Function |
| requestEnd | Function |
| requestStart | Function |
| sync | Function |
> **提示:** 属性用法请参考kendoui API文档 [http://docs.telerik.com/kendo-ui/api/javascript/data/datasource](http://docs.telerik.com/kendo-ui/api/javascript/data/datasource)
### **主要子节点**
* transport
* schema
* sort
### **transport**
服务端交互配置
#### **transport属性**
| 属性名 | 类型 |
| --- | --- |
| parameterMap | Function |
| push | Function |
```xml
<h:dataSource id="gridDataSource" >
<h:transport parameterMap="parameterMap">
...
</h:transport>
</h:dataSource>
```
#### **transport子节点**
主要有以下几种节点类型
* read
* create
* update
* destroy
| 属性名 | 类型 |
| --- | --- |
| cache | Boolean |
| contentType | String |
| data | Object \| Function |
| dataType | String |
| type | String |
| url | String \| Function |
```xml
<h:transport parameterMap="parameterMap">
<h:read url="${base.contextPath}/sys/resource/query" type="POST" dataType="json"/>
<h:create url="${base.contextPath}/sys/resource/submit" type="POST" contentType="application/json"/>
<h:update url="${base.contextPath}/sys/resource/submit" type="POST" contentType="application/json"/>
<h:destroy url="${base.contextPath}/sys/resource/remove" type="POST" contentType="application/json"/>
</h:transport>
```
### **schema**
定义datasource的数据结构
#### **schema属性**
| 属性名 | 类型 |
| --- | --- |
| data | String \| Function |
| errors | String \| Function |
| groups | String \| Function |
| parse | Function |
| total | String \| Function |
| type | String |
```xml
<h:dataSource id="gridDataSource" >
<h:schema data="rows" total="total" errors="schemaError">
...
</h:schema>
</h:dataSource>
```
#### **schema子节点**
* model
| 属性名 | 类型 |
| --- | --- |
| id | String |
| editable | Function |
```xml
<h:schema data="rows" total="total" errors="schemaError">
<h:model id="resourceId" editable="dsEditable">
<h:fields>
...
</h:fields>
</h:model>
</h:schema>
```
#### **model子节点**
* field
| 属性名 | 类型 |
| --- | --- |
| name | String |
| defaultValue | Object |
| editable | Boolean |
| nullable | Boolean |
| parse | Function |
| type | String |
| from | String |
| checkedValue | String |
| uncheckedValue | String |
```xml
<h:schema data="rows" total="total" errors="schemaError">
<h:model id="resourceId" editable="dsEditable">
<h:fields>
<h:item name="loginRequire" defaultValue="Y" type="boolean" checkedValue="Y" uncheckedValue="N"/>
<h:item name="accessCheck" defaultValue="Y" type="boolean" checkedValue="Y" uncheckedValue="N"/>
<h:item name="type" defaultValue=""/>
<h:item name="url">
<h:validation required="true"/>
</h:item>
<h:item name="name">
<h:validation required="true"/>
</h:item>
</h:fields>
</h:model>
</h:schema>
```
#### **field子节点**
* validation
| 属性名 | 类型 |
| --- | --- |
| required | Boolean |
| max | Integer |
| min | Integer |
### **sort**
| 属性名 | 类型 |
| --- | --- |
| dir | String |
| field | String |
| compare | function |
```xml
<h:dataSource id="gridDataSource" batch="true" pageSize="10" serverPaging="true" serverSorting="true" error="requestError">
<h:transport parameterMap="parameterMap">
...
</h:transport>
<h:schema data="rows" total="total" errors="schemaError">
<h:model id="resourceId" editable="dsEditable">
<h:fields>
...
</h:fields>
</h:model>
</h:schema>
<h:sort>
<h:item field="url" dir="desc"/>
</h:sort>
</h:dataSource>
```
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