@uiw/react-amap-bezier-curve
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<sup>使用 <a href="https://wangchujiang.com/#/app" target="_blank">我的应用</a> 也是一种 <a href="https://wangchujiang.com/#/sponsor" target="_blank">支持</a> 我的方式：</sup>
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<hr>
BezierCurve 贝塞尔曲线
===
[](https://jaywcjlove.github.io/#/sponsor)
[](https://www.npmjs.com/package/@uiw/react-amap-bezier-curve)
[](https://www.npmjs.com/package/@uiw/react-amap-bezier-curve)
贝塞尔曲线
```jsx
import { BezierCurve } from '@uiw/react-amap';
// 或者单独安装使用
import { BezierCurve } from '@uiw/react-amap-bezier-curve';
```
### 基本用法
```jsx mdx:preview
import React, { useState, useRef } from 'react';
import ReactDOM from 'react-dom';
import { Map, APILoader, BezierCurve } from '@uiw/react-amap';
const Example = () => {
const [show, setShow] = useState(true);
const path = [// 每个弧线段有两种描述方式
[116.39, 39.91, 116.37, 39.91],//起点
// 第一段弧线
[116.380298, 39.907771, 116.38, 39.90],// 控制点，途经点
// 第二段弧线
[116.385298, 39.907771, 116.40, 39.90],// 控制点，途经点// 弧线段有两种描述方式1
// 第三段弧线
[// 弧线段有两种描述方式2
[116.392872, 39.887391],//控制点
[116.40772, 39.909252],//控制点
[116.41, 39.89]//途经点
],
// 第四段弧线
[116.423857, 39.889498, 116.422312, 39.899639, 116.425273, 39.902273]
// 控制点，控制点，途经点，每段最多两个控制点
];
return (
<>
<button onClick={() => setShow(!show)}>
{show ? '隐藏' : '显示'}
</button>
<div style={{ width: '100%', height: '500px' }}>
<Map zoom={14} center={[116.397637, 39.900001]}>
<BezierCurve
visible={show}
path={path}
isOutline={true}
outlineColor="#ffeeff"
borderWeight={3}
strokeColor="#3366FF"
strokeOpacity={1}
strokeWeight={6}
// 线样式还支持 'dashed'
strokeStyle="solid"
// strokeStyle是dashed时有效
strokeDasharray={[10, 10]}
lineJoin="round"
lineCap="round"
zIndex={50}
/>
</Map>
</div>
</>
);
}
const Mount = () => (
<APILoader akey="a7a90e05a37d3f6bf76d4a9032fc9129">
<Example />
</APILoader>
);
export default Mount;
```
### Props
[更多参数设置](https://github.com/uiwjs/react-amap/blob/9364fa457dfac8c6ece84802e07358a131b7cad9/src/types/overlay.d.ts#L718-L776)
| 参数 | 说明 | 类型 | 默认值 |
|--------- |-------- |--------- |-------- |
| visible | 覆盖物是否可见。 | `boolean` | - |
| path | 贝瑟尔曲线的路径。 | `Array<LngLat>` / `Array<Array<LngLat>>` | - |
### 事件
[事件类型文档](https://github.com/uiwjs/react-amap/blob/9364fa457dfac8c6ece84802e07358a131b7cad9/src/types/overlay.d.ts#L778-L802)
| 参数 | 说明 | 类型 |
| ---- | ---- | ---- |
| onClick | 鼠标左键单击事件 | `(event: MapsEvent): void;` |
| onDblClick | 鼠标左键双击事件 | `(event: MapsEvent): void;` |
| onRightClick | 右键单击 | `(event: MapsEvent): void;` |
| onHide | 隐藏 | `(event: { type: string; target: any }): void;` |
| onShow | 显示 | `(event: { type: string; target: any }): void;` |
| onMouseDown | 鼠标按下 | `(event: MapsEvent): void;` |
| onMouseUp | 鼠标抬起 | `(event: MapsEvent): void;` |
| onMouseOver | 鼠标经过 | `(event: MapsEvent): void;` |
| onMouseOut | 鼠标移出 | `(event: MapsEvent): void;` |
| onChange | 属性发生变化时 | `(event: { type: string; target: any }): void;` |
| onTouchStart | 触摸开始时触发事件，仅适用移动设备 | `(event: MapsEvent): void;` |
| onTouchMove | 触摸移动进行中时触发事件，仅适用移动设备 | `(event: MapsEvent): void;` |
| onTouchEnd | 触摸结束时触发事件，仅适用移动设备 | `(event: MapsEvent): void;` |