fineui/uidoc/core/layout/horizontal_auto.md

# bi.horizontal_auto

#### 水平方向居中自适应容器

{% method %}
[source](https://jsfiddle.net/fineui/ej2j8umg/)

{% common %}
```javascript
Demo = {};
Demo.HorizontalAuto = BI.inherit(BI.Widget, {
    props: {
        baseCls: "demo-horizontal-auto"
    },

    _createLayout: function () {
        return BI.createWidget({
            type: "bi.horizontal_auto",
            vgap: 10,
            items: [{
                type: "bi.label",
                text: "Horizontal Auto左右自适应",
                cls: "layout-bg1",
                width: 300,
                height: 30
            }, {
                type: "bi.label",
                text: "Horizontal Auto左右自适应",
                cls: "layout-bg2",
                width: 300,
                height: 30
            }]
        })
    },
    
    render: function () {
        return {
            type: "bi.grid",
            columns: 1,
            rows: 2,
            items: [{
                column: 0,
                row: 0,
                el: this._createLayout()
            }]
        }
    }
});
BI.shortcut("demo.horizontal_auto", Demo.HorizontalAuto);
BI.createWidget({
  type: 'demo.horizontal_auto',
  element: "#wrapper",
});


```

{% endmethod %}


## API
##### 基础属性
| 参数    | 说明                           | 类型       | 可选值 | 默认值
| :------ |:-------------                  | :-----     | :----|:----
| hgap    | 效果相当于容器左右padding值    |    number  |  |  0  |
| vgap    | 效果相当于容器上下padding值    |    number  |  |  0  |
| lgap    | 效果相当于容器left-padding值   |    number  |  |  0  |
| rgap    | 效果相当于容器right-padding值  |    number  |  |  0  |
| tgap    | 效果相当于容器top-padding值    |    number  |  |  0  |
| bgap    | 效果相当于容器bottom-padding值 |    number  |  |  0  |
| items | 子控件数组     |    array |  |  | |


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