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  • 最近做项目时用到地图,于是自己就封装了一个类,关于地图的一些常用方法,编码,反编码,定位之类的

    //
    //  GetLocation.h
    //  智慧城
    //
    //  Created by mac on 15/12/25.
    //  Copyright (c) 2015年 ZY. All rights reserved.
    //
    
    #import <Foundation/Foundation.h>
    #import <CoreLocation/CoreLocation.h>
    @interface GetLocation : NSObject<CLLocationManagerDelegate>
    
    @property (nonatomic,strong)CLLocation *location;
    
    @property (nonatomic,strong)CLGeocoder *geocoder;
    
    @property (nonatomic,strong)CLLocationManager *manager;
    
    @property (nonatomic,copy)void(^LBlock)(NSString *cityName);
    
    + (instancetype)shareInstanceType;
    
    - (void)getCurrentLocation;
    
    
    @end
    
    //
    //  GetLocation.m
    //  智慧城
    //
    //  Created by mac on 15/12/25.
    //  Copyright (c) 2015年 ZY. All rights reserved.
    //
    
    #import "GetLocation.h"
    
    @implementation GetLocation
    
    + (instancetype)shareInstanceType{
        
        static GetLocation *getLo = nil;
        
        static dispatch_once_t onceToken;
        dispatch_once(&onceToken, ^{
            
            getLo = [[[self class] alloc] init];
        });
        
        return getLo;
    }
    
    - (CLLocationManager *)manager{
        if (!_manager) {
            
            _manager = [[CLLocationManager alloc] init];
            
            _manager.delegate = self;
            
        }
        
        
        return _manager;
    }
    
    - (CLLocation *)location{
        
        if (!_location) {
            
            _location = [[CLLocation alloc] init];
        }
        
        return _location;
    }
    
    - (CLGeocoder *)geocoder{
        
        if (!_geocoder) {
            
            _geocoder = [[CLGeocoder alloc] init];
        }
        
        return _geocoder;
    }
    
    
    
    #pragma mark 对当前位置进行定位
    - (void)getCurrentLocation{
        
        //判断手机是否开启定位功能
        BOOL isOpen = [CLLocationManager locationServicesEnabled];
        
        if (isOpen) {
            
            NSLog(@"定位开启");
            
        }else{
            
            
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"未开启定位" message:@"请打开手机定位" delegate:self cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
            
            [alert show];
            return;
        }
        
        //获取定位服务的授权状态
        NSInteger status = [CLLocationManager authorizationStatus];
        
        if (status == 0) {
            //判断版本
            if ([[[UIDevice currentDevice] systemVersion] floatValue] >= 8.0) {
                
                //获取硬件定位授权
                //应用使用时定位
                //            [self.manager requestAlwaysAuthorization];
                //一直可以定位
                [self.manager requestWhenInUseAuthorization];
                
                //            info.plist文件设置
                //NSLocationAlwaysUsageDescription---我想在后台还访问您的位置
                //NSLocationWhenInUseUsageDescription---我想在我的app开启的时候使用您的位置,可以吗?
                
            }
            
        }else if (status == 2){
            
            UIAlertView *alert = [[UIAlertView alloc] initWithTitle:@"提示" message:@"手机未对本应用开启定位限制,请开启" delegate:self cancelButtonTitle:@"确定" otherButtonTitles:nil, nil];
            
            [alert show];
            return;
            
        }
        
        //    定位功能属性
        //设置定位精度
        self.manager.desiredAccuracy = kCLLocationAccuracyBest;
        //设置定位频率
        self.manager.distanceFilter = 100.f;
        //开启定位
        [self.manager startUpdatingLocation];
    
    
        
        
    }
    
    #pragma mark 反编码
    - (void)getCityNameUseLatitude:(double)latitude withLongitude:(double)longitude{
        
        
        _location = [[CLLocation alloc] initWithLatitude:latitude longitude:longitude];
        
        [self.geocoder reverseGeocodeLocation:_location completionHandler:^(NSArray *placemarks, NSError *error) {
            
            if (error) {
                
                NSLog(@"反编码失败==%@",error);
                
            }else{
                
                //获取反编码的坐标
                CLPlacemark *pm = [placemarks firstObject];
                
                // country:国家
                //administrativeArea:省份
                //locality:城市
                //subLocality:区
                //thoroughfare:街道
                //subThoroughfare:编码
                
                
                NSLog(@"%@",[NSString stringWithFormat:@"%@-%@-%@-%@-%@-%@",pm.country,pm.administrativeArea,pm.location,pm.subLocality,pm.thoroughfare,pm.subThoroughfare]);
                
                NSLog(@"地区个数:%ld",(unsigned long)placemarks.count);
                
                for (CLPlacemark *place in placemarks) {
                    
    //                NSLog(@"======");
                    
                    [place.addressDictionary enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
                        
                        if(_LBlock){
                            
                            _LBlock(obj);
                            
                        }
                        NSLog(@"%@:%@",key,obj);
                        
                    }];
                    
    //                NSLog(@"=====");
                    
                }
                
                
            }
            
        }];
        
    }
    
    
    
    #pragma mark 地理编码 输入地名
    - (void)getCLLocationCoordinateWithCityName:(NSString *)cityName{
        
        [self.geocoder geocodeAddressString:cityName completionHandler:^(NSArray *placemarks, NSError *error) {
            
            if (error) {
                
                NSLog(@"你输入的地名不存在");
                
            }
            
            //获取地标
            CLPlacemark *pm = [placemarks firstObject];
            
            //获取地理坐标
            CLLocationCoordinate2D coor = pm.location.coordinate;
            
            NSLog(@"经度:%.2f 
     纬度:%.2f",coor.longitude,coor.latitude);
            
            NSLog(@"城市个数:%ld",(unsigned long)placemarks.count);
            
            for (CLPlacemark *place in placemarks) {
                
                [place.addressDictionary enumerateKeysAndObjectsUsingBlock:^(id key, id obj, BOOL *stop) {
                    
                    NSLog(@"%@:%@",key,obj);
                    
                }];
                
                
            }
            
        }];
        
    
    }
    
    #pragma mark CLLocationDelegate
    - (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations{
        
        CLLocation *loaction = [locations firstObject];
        
        //按CLLocationCoordinate2D:结构体获取定位的经纬度
        /*typedef struct {
         CLLocationDegrees latitude;
         CLLocationDegrees longitude;
         } CLLocationCoordinate2D;*/
        
        CLLocationCoordinate2D coor = loaction.coordinate;
        
        NSLog(@"%.2f    %.2f",coor.latitude,coor.longitude);
        
        [self getCityNameUseLatitude:coor.latitude withLongitude:coor.longitude];
        
    }
    
    
    - (void)locationManager:(CLLocationManager *)manager didChangeAuthorizationStatus:(CLAuthorizationStatus)status{
        
        NSLog(@"---%d",status);
        
        switch (status) {
            case 0:
                
                NSLog(@"纬度应用授权做出判断");
                break;
                
            default:
                break;
        }
        
        
    }
    
    //开始检测某一个区域时调用的方法
    - (void)locationManager:(CLLocationManager *)manager didStartMonitoringForRegion:(CLRegion *)region{
        
        NSLog(@"%s",__FUNCTION__);
        
    }
    
    //进入某一个区域调用的方法
    - (void)locationManager:(CLLocationManager *)manager didEnterRegion:(CLRegion *)region{
        
        NSLog(@"%s",__FUNCTION__);
        
    }
    
    //离开某一个区域调用的方法
    - (void)locationManager:(CLLocationManager *)manager didExitRegion:(CLRegion *)region{
        
        NSLog(@"%s",__FUNCTION__);
    }
    
    
    
    @end
    
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  • 原文地址:https://www.cnblogs.com/zxh-iOS/p/5083597.html
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