7.7 Converting Meaningful Addresses to Longitude and Latitude

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通过地址获取经纬度

- (void)viewDidLoad

{

[superviewDidLoad];

// Do any additional setup after loading the view, typically from a nib.

// NSString *oreillyAddress = @"1005 Gravenstein Highway North, Sebastopol, CA 95472, USA";

NSString *oreillyAddress = @"北京";

self.myGeocoder = [[CLGeocoderalloc] init];

[self.myGeocodergeocodeAddressString:oreillyAddress completionHandler:^(NSArray *placemarks,NSError *error)

{

if ([placemarks count] >0 && error == nil){

NSLog(@"Found %lu placemark(s).", (unsignedlong)[placemarks count]);

CLPlacemark *firstPlacemark = [placemarks objectAtIndex:0];

NSLog(@"Longitude = %f", firstPlacemark.location.coordinate.longitude);

NSLog(@"Latitude = %f", firstPlacemark.location.coordinate.latitude);

}

else if ([placemarkscount] == 0 && error ==nil){

NSLog(@"Found no placemarks.");

}

else if (error !=nil){

NSLog(@"An error occurred = %@", error);

}

}];

}

输出：

2014-04-08 13:53:28.415 cookbook[504:c07] Found 1 placemark(s).

2014-04-08 13:53:28.416 cookbook[504:c07] Longitude = 116.405285

2014-04-08 13:53:28.416 cookbook[504:c07] Latitude = 39.904989

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