chinaGeoCoordMap这种格式的对象在ts中应该怎么声明，现在是不对的

Question

    interface chinaGeoCoordMap {
        string: Array<number>;
    }    
    private chinaGeoCoordMap: chinaGeoCoordMap = {
        黑龙江: [127.9688, 45.368],
        内蒙古: [110.3467, 41.4899]
    }

Answer 1

interface chinaGeoCoordMap {
    [key: string]: Array<number>;
}
    
private chinaGeoCoordMap: chinaGeoCoordMap = {
    黑龙江: [127.9688, 45.368],
    内蒙古: [110.3467, 41.4899]
}