根据中国天气网,自动定位获得当地天气(数据是JSON的)---不过这个接口貌似不更新了

#import 
#import 
@interface DNWCustomWeatherView : UIView 

@property (nonatomic,retain,readonly) UIImageView * weatherImage;  //  天气图像
@property (nonatomic,retain,readonly) UILabel * temperatureLabel;  //  当地温度
@property (nonatomic,retain,readonly) UILabel * loactionNameLabel; //  当地名称

@property (nonatomic,retain) CLLocationManager * locationManage;

@property (nonatomic,retain) NSMutableArray * allCityWeatherIDArray;  //  存储所有城市的名字和天气ID,里面的对象是字典
@property (nonatomic,copy) NSString * weatherInterFace;  //  天气接口

@end

#define WeatherPublic @"http://m.weather.com.cn/data/"

#import "DNWCustomWeatherView.h"
#import      // 导入对应库
#import    // 导入对应库
#import "HMTMyCustomNetRequest.h"

@interface DNWCustomWeatherView (){
    
    HMTMyCustomNetRequest * _request;

}

@end

@implementation DNWCustomWeatherView

- (void)dealloc{
    
    RELEASE_SAFELY(_request);
    RELEASE_SAFELY(_locationManage);
    RELEASE_SAFELY(_allCityWeatherIDArray);
    RELEASE_SAFELY(_weatherInterFace);
    [super dealloc];
    
}


- (id)initWithFrame:(CGRect)frame
{
    self = [super initWithFrame:frame];
    if (self) {
        // Initialization code
        
        [self createCustomWeaterView];
        
    }
    return self;
}

- (void)createCustomWeaterView{

#pragma mark - 天气图像
    _weatherImage = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, 40, 42)];
    _weatherImage.backgroundColor = [UIColor blackColor];
    _weatherImage.userInteractionEnabled = YES;
    [self addSubview:_weatherImage];
    [_weatherImage release];
    
#pragma mark - 天气温度
    _temperatureLabel = [[UILabel alloc] initWithFrame:CGRectMake(40, 0, 40, 22)];
    _temperatureLabel.textAlignment = NSTextAlignmentCenter;
    _temperatureLabel.font = [UIFont systemFontOfSize:7.0];
    [self addSubview:_temperatureLabel];
    [_temperatureLabel release];

#pragma mark - 地方名称
    _loactionNameLabel = [[UILabel alloc] initWithFrame:CGRectMake(40, 22, 40, 20)];
    _loactionNameLabel.textAlignment = NSTextAlignmentCenter;
    _loactionNameLabel.font = [UIFont systemFontOfSize:10.0];
    [self addSubview:_loactionNameLabel];
    [_loactionNameLabel release];
    
#pragma mark - 地图GPS定位
    [self createGPSMap];

#pragma mark - 获得所有城市天气ID数组的方法
    [self getAllCityWeatherIDArray];
    
    
    
}

- (void)getAllCityWeatherIDArray{

    self.allCityWeatherIDArray = [NSMutableArray array];
    
    // 从应用程序里面提取JSON数据
    NSData * idData = [NSData dataWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"cities" ofType:@"json"]];
    NSDictionary * dic = [NSJSONSerialization JSONObjectWithData:idData options:NSJSONReadingMutableContainers error:nil];
    NSArray * allArray = [dic objectForKey:@"城市代码"];
    for (int i = 0; i < [allArray count]; i++) {
        
        // 获得所有省的数据字典
        NSDictionary * provinceDic = [allArray objectAtIndex:i];
        
        // 获得省对应市的数组信息
        NSArray * cityArray = [provinceDic objectForKey:@"市"];
        for (int j = 0; j < [cityArray count]; j++) {
            
            // 获得全国各地市级的名称和天气请求ID
            NSDictionary * cityAndIdDic = [cityArray objectAtIndex:j];
            [self.allCityWeatherIDArray addObject:cityAndIdDic];
            
        }
        
    }
    
}

#pragma mark - 获得天气情况
- (void)getWeatherInterFaceWithCityName:(NSString *)city{

    // 获得请求天气的接口
    NSString * cityFitJson = [city substringWithRange:NSMakeRange(0,2)];
    for (int i = 0; i < [_allCityWeatherIDArray count]; i++) {
        
        NSDictionary * cityDic = [_allCityWeatherIDArray objectAtIndex:i];
        
        NSString * weatherCity = [cityDic objectForKey:@"市名"];
        if ([cityFitJson isEqualToString:weatherCity]) {
            
            NSString * cityId = [cityDic objectForKey:@"编码"];
            NSString * cityIdWithHtml = [cityId stringByAppendingString:@".html"];
            self.weatherInterFace = [WeatherPublic stringByAppendingString:cityIdWithHtml];
        }
        
    }
    
    // 用获得的接口进行网络请求
     _request = [[HMTMyCustomNetRequest alloc] init];
    [_request requestForGETWithUrl:_weatherInterFace];
    [_request setFinishLoadBlock:^(NSData * data){
    
        NSDictionary * dic = [NSJSONSerialization JSONObjectWithData:data options:NSJSONReadingMutableContainers error:nil];
        NSDictionary * weatherinfoDic = [dic objectForKey:@"weatherinfo"];
        
        _temperatureLabel.text = [weatherinfoDic objectForKey:@"temp1"];
        
    }];
    
}

- (void)createGPSMap{
    
    // 初始化位置服务
    self.locationManage = [[CLLocationManager alloc]init];
    
    // 要求CLLocationManager对象返回全部信息
    _locationManage.distanceFilter = kCLDistanceFilterNone;
    
    // 设置定位精度
    _locationManage.desiredAccuracy = kCLLocationAccuracyBest;
    
    // 设置代理
    _locationManage.delegate = self;
    
    // 开始定位
    [_locationManage startUpdatingLocation];
    
    [_locationManage release];
    
}

- (void)locationManager:(CLLocationManager *)manager didUpdateLocations:(NSArray *)locations{
    
    CLLocation * newLocation = [locations lastObject];
    // 停止实时定位
    [_locationManage stopUpdatingLocation];
    
    
    // -----------------------位置反编码------------------------
    CLGeocoder * geocoder = [[CLGeocoder alloc]init];
    [geocoder reverseGeocodeLocation:newLocation completionHandler:^(NSArray *placemarks, NSError *error) {
        
        for (CLPlacemark * place in placemarks) {
            NSLog(@"name = %@",place.name);                                    // 位置名
            NSLog(@"thoroughfare = %@",place.thoroughfare);                    // 街道
            NSLog(@"subAdministrativeArea = %@",place.subAdministrativeArea);  // 子街道
            NSLog(@"locality = %@",place.locality);                            // 市
            NSLog(@"subLocality = %@",place.subLocality);                      // 区
            NSLog(@"country = %@",place.country);// 国家
            NSArray *allKeys = place.addressDictionary.allKeys;
            for (NSString *key in allKeys)
            {
                NSLog(@"key = %@, value = %@",key, place.addressDictionary[key]);
            }
#pragma mark - 使用系统定义的字符串直接查询,记得导入AddressBook框架
            NSLog(@"kABPersonAddressCityKey = %@", (NSString *)kABPersonAddressCityKey);
            NSLog(@"city = %@", place.addressDictionary[(NSString *)kABPersonAddressCityKey]);
            NSString * city = place.locality;
            NSString * state = place.addressDictionary[(NSString *)kABPersonAddressStateKey];
            NSLog(@"state = %@",state);
            if(city == nil)
            {
                city = place.addressDictionary[(NSString *)kABPersonAddressStateKey];
            }
            _loactionNameLabel.text = [city substringWithRange:NSMakeRange(0,2)];
            //  获得所在地后,传入城市名
            [self getWeatherInterFaceWithCityName:city];
        }
        
    }];
    
}


@end