百度地圖api獲取城市名稱

dz();
function dz() {
    var geolocation = new BMap.Geolocation();
    geolocation.getCurrentPosition(function getinfo(position){
        city = position.address.city; //獲取城市信息
        province = position.address.province;
    }, function(e) {
        alert("獲取百度定位位置信息失敗");
    }, {provider: 'baidu'});
}