百度地图根据经纬度获取地址

var point = new BMap.Point(经度, 纬度);
var gc = new BMap.Geocoder();
gc.getLocation(point, function (rs) {
debugger;
var addComp = rs.addressComponents;
alert(addComp.province + ", " + addComp.city + ", " + addComp.district + ", " + addComp.street + ", " + addComp.streetNumber);
});