Model.prototype.queryAddr = function(event) {
// 百度地图API功能
var cityName="";
var map = new BMap.Map("allmap");
var point = new BMap.Point(116.331398,39.897445);
map.centerAndZoom(point,12);
function myFun(result){
cityName = result.name;
map.setCenter(cityName);
/*alert("当前定位城市:"+cityName);*/
}
var myCity = new BMap.LocalCity();
myCity.get(myFun);
return cityName;
};