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@uiw/react-baidu-map-type-control

v2.7.2

Published

Baidu Map map-type-control Components for React.

Downloads

11,321

Readme

MapTypeControl 地图类型控件

Buy me a coffee npm version Downloads

地图类型控件。你也可以使用 Map 组件 widget 属性来设置控件更方便。

import { MapTypeControl, useMapTypeControl } from '@uiw/react-baidu-map';
// 或者单独安装使用
import MapTypeControl, { useMapTypeControl } from '@uiw/react-baidu-map-type-control';

⚠️ 这个类型控件是属于老的地图控件,加载新的 3D 地图控件实例,需要设置参数 type=webgl&v=1.0 并且需要自己实现。

// <script type="text/javascript" src="//api.map.baidu.com/api?type=webgl&v=1.0&ak=您的密钥"></script>
// GL版命名空间为 BMapGL
// 按住鼠标右键,修改倾斜角和角度
var map = new BMapGL.Map("allmap");    // 创建Map实例
map.centerAndZoom(new BMapGL.Point(116.404, 39.915), 11);  // 初始化地图,设置中心点坐标和地图级别
map.enableScrollWheelZoom(true);     //开启鼠标滚轮缩放
var navi3DCtrl = new BMapGL.NavigationControl3D();  // 添加3D控件
map.addControl(navi3DCtrl);

在组件上传递参数 type="webgl",此时 window.BMap 对象为 undefined,在组件中做了自动处理 window.BMap = window.BMapGL

<APILoader
  akay="eYpCTECSntZmw0WyoQ7zFpCRR9cpgHFG"
  type="webgl"
  version="1.0"
>
  <Map />
</APILoader>

基本用法

import React from 'react';
import { useState, useRef } from 'react';
import { Map, APILoader, MapTypeControl } from '@uiw/react-baidu-map';

const Example = () => {
  const [show, setShow] = useState(true);
  return (
    <>
      <button onClick={() => setShow(!show)}>
        {show ? '关闭' : '开启'}
      </button>
      <Map zoom={13} style={{ height: 350 }}>
        {show && (
          <MapTypeControl />
        )}
        <MapTypeControl visiable={show} offset={new BMap.Size(40, 40)} anchor={BMAP_ANCHOR_TOP_RIGHT} />
      </Map>
    </>
  );
}

const Demo = () => (
  <div style={{ width: '100%' }}>
    <APILoader akay="eYpCTECSntZmw0WyoQ7zFpCRR9cpgHFG">
      <Example />
    </APILoader>
  </div>
);
export default Demo;

使用 hooks

mapTypeControl, setMapTypeControl

import React from 'react';
import { useRef, useEffect, useState } from 'react';
import { Map, APILoader, Provider, useMap, useMapTypeControl } from '@uiw/react-baidu-map';

const Example = () => {
  const divElm = useRef(null);
  const [show, setShow] = useState(true);
  const { setContainer, map } = useMap();
  const { mapTypeControl } = useMapTypeControl({
    map, anchor: BMAP_NAVIGATION_CONTROL_LARGE, visiable: show,
  });

  useEffect(() => {
    if (divElm.current && !map) {
      setContainer(divElm.current);
    }
  }, [map]);
  return (
    <>
      <button onClick={() => setShow(!show)}>
        {show ? '关闭' : '开启'}
      </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 | | ----- | ----- | ----- | ----- | | 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 | - | | type | 设置比例尺单位制 | BMap.MapTypeControlType | - | | mapTypes | 设置比例尺单位制 | MapType[] | - |

BMap.MapTypeControlType

常量表示长度单位制。

| 常量 | 值 | 描述 | | ----- | ----- | ----- | | BMAP_MAPTYPE_CONTROL_HORIZONTAL | 0 | 按钮水平方式展示,默认采用此类型展示 | | BMAP_MAPTYPE_CONTROL_DROPDOWN | 1 | 按钮呈下拉列表方式展示 | | BMAP_MAPTYPE_CONTROL_MAP | 2 | 以图片方式展示类型控件,设置该类型后无法指定maptypes属性 |