React 高德地图进京证路线规划问题记录(汇总)

const [map, setMap] = useState(null);
const [AMap, setAMap] = useState(null);
const [driving, setDriving] = useState(null);
const [mass, setMass] = useState(true);
useEffect(() => {
    window._AMapSecurityConfig = {
        securityJsCode: "「你申请的安全密钥」",
    };
    AMapLoader.reset();
    AMapLoader.load({
        key: "", // 申请好的Web端开发者Key，首次调用 load 时必填
        version: "2.0", // 指定要加载的 JSAPI 的版本，缺省时默认为 1.4.15
        plugins: ["AMap.Driving"], //需要使用的的插件列表，如比例尺'AMap.Scale'，支持添加多个如：['...','...']
    }).then((_AMap) => {
        const _map = new _AMap.Map("container", {
            resizeEnable: true,
            viewMode: '2D', // 默认使用 2D 模式，如果希望使用带有俯仰角的 3D 模式，请设置 viewMode: '3D'
            zoom: 11, // 初始化地图层级
            center: [116.397428, 39.93000] // 初始化地图中心点
        });
        _map.on('complete', () => {
            setAMap(_AMap)
        });
        setMap(_map);
        const driving = new _AMap.Driving({
            map: _map
        });
        setDriving(driving);
    }).catch((e) => {
        console.log(e);
    });
    return () => {
        map?.destroy();
    };
}, [])

const camera = []; //你的数组
const datas = [];
const styles = [{
    url: 'https://a.amap.com/jsapi_demos/static/demo-center/icons/poi-marker-default.png',
    anchor: 'bottom-center',
    size: new AMap.Size(21, 27),
    zIndex: 1,
}]
for (let index = 0; index < camera.length; index++) {
    const c = camera[index];
    datas.push({
        lnglat: c.position,
        name: c.name,
        style: 0 //该数据的取值为样式数组对应的对象索引
    });
}
// 海量标记摄像头
const _mass = new AMap.MassMarks(datas, {
    style: styles
})
let marker = null;
_mass.on('click', (e) => {
    if (marker === null || e.data.lnglat !== marker._opts.position) {
        if (marker !== null) {
            map.remove(marker)
        }
        marker = new AMap.Text({
			map: map,
			position: e.data.lnglat,
			anchor: 'top-center',
			offset: [0, -60],
			text: e.data.name,
			style: {
				"font-Size": "14px",
				"padding": "5px"
			},
			zIndex: 2
		});
    }
});
_mass.setMap(map)
setMass(_mass);