func showCityListViewOnlyCity(_ onlyCity: Bool) {
        navigationController?.setNavigationBarHidden(true, animated: true)
        cityListView.reset()
        searchResultView.poiArray = nil
        searchBar.doubleSearchModeEnable = !onlyCity
        searchBar.seachCity = MyCityManager.sharedInstance().currentCity
        searchResultView.isHidden = onlyCity
        if !onlyCity {
            updateSearchResultForCurrentCity()
        }
        searchBar.reset()
        searchBar.becomeFirstResponder()
        UIView.animate(withDuration: 0.3, animations: {() -> Void in
            self.listContainerView.frame = CGRect(x: CGFloat(kTableViewMargin), y: CGFloat(kTableViewMargin + kNaviBarHeight), width: CGFloat(self.listContainerView.frame.size.width), height: CGFloat(self.listContainerView.frame.size.height))
            self.searchBar.frame = CGRect(x: CGFloat(0), y: CGFloat(0), width: CGFloat(self.view.bounds.size.width), height: CGFloat(kNaviBarHeight))
        })
    }

    func hideCityListView() {
        navigationController?.setNavigationBarHidden(false, animated: true)
        searchBar.resignFirstResponder()
        searchBar.currentSearchKeywords = nil
        UIView.animate(withDuration: 0.3, animations: {() -> Void in
            self.listContainerView.frame = CGRect(x: CGFloat(kTableViewMargin), y: CGFloat(self.view.bounds.maxY), width: CGFloat(self.listContainerView.frame.size.width), height: CGFloat(self.listContainerView.frame.size.height))
            self.searchBar.frame = CGRect(x: CGFloat(0), y: CGFloat(-kNaviBarHeight), width: CGFloat(self.view.bounds.size.width), height: CGFloat(kNaviBarHeight))
        })

    }

    func cityListView(_ listView: MyCityListView!, didCitySelected city: MyCity!) {
        let oldCity: MyCity? = MyCityManager.sharedInstance().currentCity
        //单独改变当前城市
        if !searchBar.doubleSearchModeEnable {
            //单独改变城市时修改当前城市
            updateCurrentCity(city)
            hideCityListView()
            // 城市改变后清空
            if !(oldCity?.name == city.name) {
                locationView.endPOI = nil
                locationView.startPOI = nil
                // remove
                mapView.removeAnnotation(startAnnotation)
                mapView.removeAnnotation(endAnnotation)
            }
            //如果当前城市是定位城市直接进行当前定位的逆地理，否则进行地理编码获取城市位置。
            if (city.name == MyCityManager.sharedInstance().locationCity.name) {
                mapView.setCenter(mapView.userLocation.location.coordinate, animated: true)
                
                searchReGeocode(withLocation: AMapGeoPoint.location(withLatitude: CGFloat(mapView.userLocation.location.coordinate.latitude), longitude: CGFloat(mapView.userLocation.location.coordinate.longitude)))
            }
            
            if (city.name == MyCityManager.sharedInstance().locationCity.name) {
                mapView.setCenter(mapView.userLocation.location.coordinate, animated: true)
                searchReGeocode(withLocation: AMapGeoPoint.location(withLatitude: CGFloat(mapView.userLocation.location.coordinate.latitude), longitude: CGFloat(mapView.userLocation.location.coordinate.longitude)))
            }
            else {
                searchGeocode(withName: city.name)
            }
        }
        else {
            if !(oldCity?.name == city.name) {
                searchBar.seachCity = city
                // 只修改搜索city
                updateSearchResultForCurrentCity()
            }
        }
    }