@uiw/react-baidu-map-copyright-control
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Baidu Map copyright-control Components for React.
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CopyrightControl 版权控件
===
[](https://jaywcjlove.github.io/#/sponsor)
[](https://www.npmjs.com/package/@uiw/react-baidu-map-copyright-control)
[](https://www.npmjs.com/package/@uiw/react-baidu-map-copyright-control)
版权控件，您可以在地图上添加自己的版权信息。你也可以使用 `Map` 组件 `widget` 属性来设置控件更方便。
```jsx
import { CopyrightControl, useCopyrightControl } from '@uiw/react-baidu-map';
// 或者单独安装使用
import CopyrightControl, { useCopyrightControl } from '@uiw/react-baidu-map-copyright-control';
```
### 基本用法
```jsx mdx:preview
import React, { useState, useRef } from 'react';
import { Map, APILoader, CopyrightControl } from '@uiw/react-baidu-map';
const Example = () => {
const [show, setShow] = useState(true);
const [count, setCount] = useState(0);
const map = useRef(null);
const bounds = new BMap.Bounds(new BMap.Point(121.412972,31.245691), new BMap.Point(121.53083,31.185407));
return (
<>
<button onClick={() => setShow(!show)}>
{show ? '关闭' : '开启'}
</button>
<Map zoom={13} ref={map} widget={['NavigationControl']} style={{ height: 350 }}>
<CopyrightControl offset={new BMap.Size(10, 30)} anchor={BMAP_ANCHOR_TOP_RIGHT}>
<CopyrightControl.Item bounds={bounds}>
<span style={{ color: 'red', backgroundColor: '#fff', padding: 3 }}>自定义版权只在上海地区可见</span>
</CopyrightControl.Item>
{show && (
<CopyrightControl.Item>在任何区域都可见</CopyrightControl.Item>
)}
<CopyrightControl.Item>
<button type="button" onClick={() => setCount(count + 1)}>
+++ {count}
</button>
<span style={{ color: 'red', backgroundColor: '#fff', padding: 3 }}>在任何区域都可见</span>
</CopyrightControl.Item>
</CopyrightControl>
<CopyrightControl offset={new BMap.Size(40, 10)} anchor={BMAP_ANCHOR_BOTTOM_RIGHT}>
{show && (
<CopyrightControl.Item bounds={bounds}>
<span style={{ color: 'red' }}>自定义版权只在上海地区可见</span>
</CopyrightControl.Item>
)}
<CopyrightControl.Item>在任何区域都可见</CopyrightControl.Item>
</CopyrightControl>
</Map>
</>
);
}
const Demo = () => (
<div style={{ width: '100%' }}>
<APILoader akay="eYpCTECSntZmw0WyoQ7zFpCRR9cpgHFG">
<Example />
</APILoader>
</div>
);
export default Demo;
```
### CopyrightControl
| 参数 | 说明 | 类型 | 默认值 |
| ----- | ----- | ----- | ----- |
| visiable | 覆盖物是否可见。 | `boolean` | - |
| anchor | 控件的位置偏移值。| `ControlAnchor` | `BMAP_ANCHOR_TOP_RIGHT` |
| offset | 控件的水平偏移值。 | `BMap.Size` | - |
### CopyrightControl.Item
| 参数 | 说明 | 类型 | 默认值 |
| ----- | ----- | ----- | ----- |
| bounds | 该版权信息所适用的地理区域 | `BMap.Bounds(sw: Point, ne: Point)` | - |
| children | 该版权的文本信息，用于显示在地图上，支持HTML内容。 | `React.ReactNode` | - |
```js
const bounds = new BMap.Bounds(
new BMap.Point(121.412972,31.245691),
new BMap.Point(121.53083,31.185407)
);
```