地图导航

-(void)touchesBegan:(NSSet<UITouch *> *)touches withEvent:(UIEvent *)event{
    
    //定位
    CLGeocoder * gercode =  [[CLGeocoder alloc]init];
    
    self.gercode = gercode;
    
   //地理编码
    [gercode geocodeAddressString:@"上海" completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
        
        CLPlacemark * place =[placemarks firstObject];
        
        MKPlacemark * p = [[MKPlacemark alloc]initWithPlacemark:place];
        
        MKMapItem * item1 = [[MKMapItem alloc]initWithPlacemark:p];
        
        [gercode geocodeAddressString:@"北京" completionHandler:^(NSArray<CLPlacemark *> * _Nullable placemarks, NSError * _Nullable error) {
            
            CLPlacemark * place1 = [placemarks firstObject];
            MKPlacemark * p2 = [[MKPlacemark alloc]initWithPlacemark:place1];
          
            
            MKMapItem * item2 = [[MKMapItem alloc]initWithPlacemark:p2];
            
            
            //导航
            [MKMapItem openMapsWithItems:@[item1 , item2] launchOptions:@{MKLaunchOptionsDirectionsModeKey:MKLaunchOptionsDirectionsModeDriving,MKLaunchOptionsMapTypeKey:@2}];
        }];