Introduction - If you have any usage issues, please Google them yourself
#import "mapView.h"
#import "mapAnnotation.h"
@implementation mapView
//@synthesize _map, _locationManager
-(void)viewDidLoad
{
[super viewDidLoad]
//---------- 1: 定义经度和纬度
CLLocationCoordinate2D center = CLLocationCoordinate2DMake(39.54, 116.25)
//---------- 2: 定义比例缩小或放大,值越小,地图越清晰
MKCoordinateSpan span = MKCoordinateSpanMake(0.5, 0.5)
//---------- 3:定位一块区域
MKCoordinateRegion region = MKCoordinateRegionMake(center, span)
//---------- 4:建立地图
_map = [[MKMapView alloc]initWithFrame:CGRectMake(0, 0, 320, 460)]
_map.region = region
_map.mapType = MKMapTypeStandard //*** 地图类型,共三种
_map.showsUserLocation = YES // 是否显示用户信息
_map.delegate = self //*** 代理
[self.view addSubview:_map] // 将地图添加到view上
//[_map release]