百度地图转腾讯

bdMap_to_txMap(lat, lng) { let pi = 3.14159265358979324 * 3000.0 / 180.0; let x = lng - 0.0065; let y = lat - 0.006; var z = Math.sqrt(x * x + y * y) - 0.00002 * Math.sin(y * pi); var theta = Math.atan2(y, x) - 0.000003 * Math.cos(x * pi); let newLng = z * Math.cos(theta); let newLat = z * Math.sin(theta); return { 'latitude': newLat, 'longitude': newLng }; }