@uiw/react-baidu-map-label

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version](https://img.shields.io/npm/v/@uiw/react-baidu-map-label.svg)](https://www.npmjs.com/package/@uiw/react-baidu-map-label) [![Downloads](https://img.shields.io/npm/dm/@uiw/react-baidu-map-label.svg?style=flat)](https://www.npmjs.com/package/@uiw/react-baidu-map-label) 表示地图上包表示地图上包含信息的窗口。 ```jsx import { Label, useLabel } from '@uiw/react-baidu-map'; // 或者单独安装使用 import Label, { useLabel } from '@uiw/react-baidu-map-label'; ``` ### 基本用法官方原生 JS 实例：https://lbsyun.baidu.com/jsdemo.htm#c1_14 ```jsx mdx:preview import React, { useState } from 'react'; import { Map, Label, APILoader } from '@uiw/react-baidu-map'; const Example = () => { const [visiable, setVisiable] = useState(true); const [content, setContent] = useState('上海市 <del>青浦区</del> 徐泾镇盈港东路'); function labelRef(props) { if (props && props.label) { console.log('label:', props.label, props.map, props.BMap); } } return ( <> <input value={content} onChange={(e) => setContent(e.target.value)} /> <button onClick={() => setVisiable(!visiable)}>{visiable ? '隐藏' : '显示'}</button> <Map zoom={13} widget={['NavigationControl']} style={{ height: 350 }} > <Label visiable={visiable} content={content} position={{ lng: 121.436256, lat: 31.246926 }} /> <Label ref={labelRef} title="wwww" content={content} position={{ lng: 121.501365, lat: 31.224942 }} onClick={() => setContent('您！点击了文本标注！')} /> <div> <Label content="test" visiable={visiable} title="wwww" position={{ lng: 121.501365, lat: 31.234942 }}> children - 2<br /> 上海市 <del>青浦区</del> 徐泾镇盈港东路 </Label> </div> </Map> </> ); } const Demo = () => ( <div style={{ width: '100%' }}> <APILoader akay="eYpCTECSntZmw0WyoQ7zFpCRR9cpgHFG"> <Example /> </APILoader> </div> ); export default Demo; ``` ### 使用 hooks `label`, `setLabel` ```jsx mdx:preview import React from 'react'; import { useRef, useEffect, useState } from 'react'; import { Map, APILoader, Provider, useMap, useLabel, useMapContext } from '@uiw/react-baidu-map'; const Example = () => { const [zoom, setZoom] = useState(15) const divElm = useRef(null); const { map } = useMapContext(); const { label, Portal } = useLabel({ content: '徐泾镇', position: { lng: 121.501365, lat: 31.224942 }, onClick: () => { console.log('点击事件！'); } }); useEffect(() => { if (map) { // 启用滚轮放大缩小，默认禁用 map.setZoom(zoom); } }, [zoom, map]); let counts = zoom || 15; return ( <> <button onClick={() => setZoom(counts-1)}>-</button> <span>{zoom || 10}</span> <button onClick={() => setZoom(counts+1)}>+</button> <Portal><div>xxxxxx</div></Portal> </> ) } const Demo = () => ( <div style={{ width: '100%' }}> <APILoader akay="eYpCTECSntZmw0WyoQ7zFpCRR9cpgHFG"> <Map zoom={9} widget={['NavigationControl']} style={{ height: 350 }} > <Example /> </Map> </APILoader> </div> ); export default Demo; ``` 使用 Provider ```jsx mdx:preview import React from 'react'; import { useRef, useEffect, useState } from 'react'; import { Map, APILoader, useMap, Provider, useLabel } from '@uiw/react-baidu-map'; const Example = () => { const [zoom, setZoom] = useState(15) const divElm = useRef(null); const { map, setContainer } = useMap({ zoom: 9, widget: ['GeolocationControl', 'NavigationControl'] }); const { label } = useLabel({ map, content: '徐泾镇', position: { lng: 121.436256, lat: 31.246926 }, onClick: () => { console.log('点击事件！'); } }); useEffect(() => { if (map) { // 启用滚轮放大缩小，默认禁用 map.setZoom(zoom); } }, [zoom, map]); useEffect(() => { if (divElm.current) { setContainer(divElm.current); } }, [divElm.current]); let counts = zoom || 15; return ( <> <button onClick={() => setZoom(counts-1)}>-</button> <span>{zoom || 15}</span> <button onClick={() => setZoom(counts+1)}>+</button> <div ref={divElm} style={{ height: 350 }} /> </> ) } const Demo = () => ( <div style={{ width: '100%' }}> <APILoader akay="eYpCTECSntZmw0WyoQ7zFpCRR9cpgHFG"> <Provider> <Example /> </Provider> </APILoader> </div> ); export default Demo; ``` ### Props | 参数 | 说明 | 类型 | 默认值 | | ----- | ----- | ----- | ----- | | content | 文本标注内容 | `string` | - | | children | 展示文本标注内容，_🚧 添加 `children` 的时候 `content` 将失效_。 | `JSX.Element` | - | | offset | 文本标注的位置偏移值 | `Size` | - | | position | 文本标注的地理位置 | `Point` | - | | title | 文本标注的标题 | `string` | - | | zIndex | 设置覆盖物的 zIndex | `number` | - | | style | 文本标注样式，该样式将作用于文本标注的容器元素上，如：`{ color : "red", fontSize : "12px" }`。 | `Style` | - | | visiable | 覆盖物是否可见。 | `boolean` | - | | enableMassClear | 允许覆盖物在 map.clearOverlays 方法中被清除 | `boolean` | - | ### 事件 | 参数 | 说明 | 类型 | 默认值 | | ----- | ----- | ----- | ----- | | onClick | 点击文本标注后会触发此事件 | (event: { type: string, target: any }) => void; | - | | onDblClick | 双击文本标注后会触发此事件 | (event: { type: string, target: any }) => void; | - | | onMouseDown | 鼠标在文本标注上按下触发此事件 | (event: { type: string, target: any }) => void; | - | | onMouseUp | 鼠标在文本标注释放触发此事件 | (event: { type: string, target: any }) => void; | - | | onMouseOout | 鼠标离开文本标注时触发此事件 | (event: { type: string, target: any }) => void; | - | | onMouseOver | 当鼠标进入文本标注区域时会触发此事件 | (event: { type: string, target: any }) => void; | - | | onRemove | 移除文本标注时触发 | (event: { type: string, target: any }) => void; | - | | onRightClick | 右键点击标注时触发此事件 | (event: { type: string, target: any }) => void; | - |