iOS的高德地图标注特定位置

 1 #import "MapViewCtl.h"
 2 #import <CoreLocation/CoreLocation.h>
 3 #import <MapKit/MapKit.h>
 4 
 5 //获取屏幕 宽度、高度
 6 #define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
 7 #define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
 8 
 9 @interface MapViewCtl ()<MKMapViewDelegate>
10 {
11     MKMapView *mapView;
12 }
13 @property (nonatomic, readwrite) CLLocationCoordinate2D coordinate;
14 @end
15 
16 @implementation MapViewCtl
17 
18 - (void)viewDidLoad {
19     [super viewDidLoad];
20     mapView = [[MKMapView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT)];
21 
22     mapView.mapType = MKMapTypeStandard;
23     
24     CLLocationCoordinate2D location = CLLocationCoordinate2DMake(22, 111);//纬度，经度
25     float zoomLevel = 0.01;
26     MKCoordinateRegion region = MKCoordinateRegionMake(location, MKCoordinateSpanMake(zoomLevel, zoomLevel));
27     [mapView setRegion:[mapView regionThatFits:region] animated:YES];
28     [self.view addSubview:mapView];
29     
30     MKPointAnnotation *pointAnn = [[MKPointAnnotation alloc]init];
31     pointAnn.coordinate = location;
32     pointAnn.title = @"某某有限公司";
33     pointAnn.subtitle = @"某某地址";
34     [mapView addAnnotation:pointAnn];
35     [mapView selectAnnotation:pointAnn animated:YES];
36     
37 }

CLLocationCoordinate2DMake(22, 111)时，要倒过来填  （纬度，经度）