/* POI 周边查询接口 */
func searchGasPOI() {
        let request = AMapPOIAroundSearchRequest.init()
        request.city = "北京"
        request.keywords = "加油站"
        request.location = AMapGeoPoint.location(withLatitude: 39.909071, longitude: 116.39756)
        request.radius = 60*1000;
        request.types = "010100";
        request.offset = 100;
        self.search.aMapPOIAroundSearch(request)
}

func initTrucklimitAreaOverlay() -> Void {
        let mData: Data? = try! Data.init(contentsOf: URL.init(fileURLWithPath: Bundle.main.path(forResource: "Trucklimit", ofType: "txt")!))
        
        if(mData != nil) {
            let jsonObj = try? JSONSerialization.jsonObject(with: mData!, options: JSONSerialization.ReadingOptions.allowFragments) as! [[String:Any]]
            var arr:Array<Any> = Array.init()
            for dict in jsonObj! {
                let area:String = dict["area"] as! String
                let line:String = dict["line"] as! String
                if (area.count != 0) {
                    let tmp = area.components(separatedBy: ";")
                    if tmp.count > 0{
                        let count = tmp.count
                        let coordinates = UnsafeMutablePointer<CLLocationCoordinate2D>.allocate(capacity: count)
                        for i in 0..<count {
                            let single = tmp[i]
                            let coord = single.components(separatedBy: ",")
                            if coord.count == 2{
                                let lat = coord.last! as NSString
                                let lon = coord.first! as NSString
                                coordinates[i].latitude = lat.doubleValue
                                coordinates[i].longitude = lon.doubleValue
                            }
                        }
                        let polygon = MAPolygon.init(coordinates: coordinates, count: UInt(count))
                        arr.append(polygon!)
                        coordinates.deallocate()
                    }
                }else if(line.count != 0){
                    let tmp0 = line.components(separatedBy: "|")
                    for res in tmp0{
                        let tmp = res.components(separatedBy: ";")
                        if tmp.count > 0{
                            let count = tmp.count
                            let coordinates = UnsafeMutablePointer<CLLocationCoordinate2D>.allocate(capacity: count)
                            for i in 0..<count{
                                let single = tmp[i]
                                let coord = single.components(separatedBy: ",")
                                if coord.count == 2{
                                    let lat = coord.last! as NSString
                                    let lon = coord.first! as NSString
                                    coordinates[i].latitude = lat.doubleValue
                                    coordinates[i].longitude = lon.doubleValue
                                }
                            }
                            let polyline = MAPolyline.init(coordinates: coordinates, count: UInt(count))
                            arr.append(polyline!)
                            coordinates.deallocate()
                        }
                    }
                }
            }
            limits = arr
        }
}