35 lines
1.3 KiB
JavaScript
35 lines
1.3 KiB
JavaScript
// 使用OpenStreetMap和Leaflet替代百度地图
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export function loadBMap() {
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return new Promise(function(resolve, reject) {
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// eslint-disable-next-line no-undef
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if (typeof L !== 'undefined') {
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// eslint-disable-next-line no-undef
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resolve(L);
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return true;
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}
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// 加载Leaflet CSS
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if (!document.querySelector('link[href*="leaflet.css"]')) {
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const link = document.createElement('link');
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link.rel = 'stylesheet';
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link.href = 'https://unpkg.com/leaflet@1.9.4/dist/leaflet.css';
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link.integrity = 'sha256-p4NxAoJBhIIN+hmNHrzRCf9tD/miZyoHS5obTRR9BMY=';
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link.crossOrigin = '';
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document.head.appendChild(link);
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}
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// 加载Leaflet JS
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const script = document.createElement('script');
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script.type = 'text/javascript';
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script.src = 'https://unpkg.com/leaflet@1.9.4/dist/leaflet.js';
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script.integrity = 'sha256-20nQCchB9co0qIjJZRGuk2/Z9VM+kNiyxNV1lvTlZBo=';
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script.crossOrigin = '';
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script.onload = function() {
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// eslint-disable-next-line no-undef
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resolve(L);
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};
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script.onerror = reject;
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document.head.appendChild(script);
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});
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}
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