IOS定位
1 #import "ViewController.h"
2 #import <CoreLocation/CoreLocation.h>
3 @interface ViewController ()<CLLocationManagerDelegate>{
4 CLLocationManager *_manager;//位置管理器
5 }
6
7 @end
8
9 @implementation ViewController
10
11 - (void)viewDidLoad {
12 [super viewDidLoad];
13
14 if ([CLLocationManager locationServicesEnabled]) {
15
16 NSLog(@"允许定位");
17
18 _manager = [[CLLocationManager alloc] init];//初始化
19
20 //判断用户是否选择了位置访问权限
21 if ([CLLocationManager authorizationStatus] == kCLAuthorizationStatusNotDetermined) {
22 //如果尚未选择，则重新弹出请求
23 [_manager requestWhenInUseAuthorization];
24 }
25
26 //设置代理
27 _manager.delegate = self;
28
29 _manager.distanceFilter = 10;//设置定位频率多少米访问一次位置
30
31 _manager.desiredAccuracy = kCLLocationAccuracyBest;//定位的精确度
32
/*
extern const CLLocationAccuracy kCLLocationAccuracyBest;//最好的位置精度
extern const CLLocationAccuracy kCLLocationAccuracyNearestTenMeters;最近的10米位置精度
extern const CLLocationAccuracy kCLLocationAccuracyHundredMeters;//几百米的位置精度
extern const CLLocationAccuracy kCLLocationAccuracyKilometer;//几公里
extern const CLLocationAccuracy kCLLocationAccuracyThreeKilometers;//3公里
*/
33 [_manager startUpdatingLocation];//开始定位
34
35 // [self getInfoBuyAddress];
36
37 [self getInfoBuyCoordinate];
38 }
39
40 }
41 //定位失败
42 -(void)locationManager:(CLLocationManager *)manager didFailWithError:(NSError *)error{
43 NSLog(@"---%@",error);
44 }
45
46 -(void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations{
47 NSLog(@"===%zi---%@",locations.count,locations);
48
49 // CLLocation *location = [locations firstObject];
50
51 // NSLog(@"纬度：%f，经度：%f",location.coordinate.latitude,location.coordinate.longitude);
52
53
54 }
55
56 //地理编码：根据地址信息，获取其对应的经纬度等信息
57 -(void)getInfoBuyAddress{
58
59 CLGeocoder *geo = [[CLGeocoder alloc] init];//初始化编码管理
60
61 //地理编码，传入地址，得到具体信息
62 [geo geocodeAddressString:@"郑州科技学院" completionHandler:^(NSArray *placemarks, NSError *error) {
63
64 // NSLog(@"--错误信息：%@",error);
65 //
66 // NSLog(@"---数量:%zi 信息：%@",placemarks.count,placemarks);
67
68 CLPlacemark *place = [placemarks firstObject];
69
70 NSLog(@"经纬度：%f,%f",place.location.coordinate.longitude,place.location.coordinate.latitude);//经纬度
71 NSLog(@"街道：%@",place.ocean);
72
73 }];
74 }
75
76 //反向地理编码：根据经纬度得到位置信息
77
78 -(void)getInfoBuyCoordinate{
79 CLGeocoder *geo = [[CLGeocoder alloc] init];
80
81 CLLocation *location = [[CLLocation alloc] initWithLatitude:34.708517 longitude:113.510850];//通过经纬度定义位置对象
82
83 //传入位置对象，得到对应的地址信息
84 [geo reverseGeocodeLocation:location completionHandler:^(NSArray *placemarks, NSError *error) {
85 NSLog(@"数量：%zi 反向：%@",placemarks.count,placemarks);
86
87 CLPlacemark *place = [placemarks firstObject];
88
89 NSLog(@"经纬度：%f,%f",place.location.coordinate.longitude,place.location.coordinate.latitude);//经纬度
90 NSLog(@"街道：%@",place.ocean);
91
92 }];
93 }
