[英]Get dictionary value from array in iOS?
我有以下NSArray
:
(
{
geometry = {
location = {
lat = "37.789632";
lng = "-122.417004";
};
};
icon = "http://maps.gstatic.com/mapfiles/place_api/icons/doctor-71.png";
vicinity = "900 Hyde Street, San Francisco";
},
{
geometry = {
location = {
lat = "37.794774";
lng = "-122.398941";
};
};
icon = "http://maps.gstatic.com/mapfiles/place_api/icons/lodging-71.png";
vicinity = "2 Embarcadero Center, San Francisco";
}
)
从这个我怎么能得到的latitude
和longitude
从各指标?
您甚至都没有想过这个? 我会帮你找乐子,但是帮你自己
NSArray *values = ...;
for (NSDictionary *geometry in values) {
NSDictionary *loc = [geometry valueForKey:@"location"];
if (loc) {
NSNumber *lat = [loc valueForKey:@"lat"];
NSNumber *lng = [loc valueForKey:@"lng"];
if (lat && lng) {
// do whatever
}
}
}
编辑:也许是这样的
NSArray *values = ...;
for (NSDictionary *item in values) {
NSDictionary *geo = [item valueForKey:@"geometry"];
if (geo) {
NSDictionary *loc = [geometry valueForKey:@"location"];
if (loc) {
NSNumber *lat = [loc valueForKey:@"lat"];
NSNumber *lng = [loc valueForKey:@"lng"];
if (lat && lng) {
// do whatever
}
}
}
}
for (int i=0 ; i<[parsedAry count] ; i++) {
NSMutableDictionary * location = [[[parsedAry objectAtIndex:i]objectForKey:@"geometry"]objectForKey:@"location"];
NSString * lat = [location objectForKey:"lat"];
NSString * lng = [location objectForKey:"lng"];
[latAry addObject:lat];
[LongAry addObject:lng];
}
您必须创建并分配latAry和longAry
声明:本站的技术帖子网页,遵循CC BY-SA 4.0协议,如果您需要转载,请注明本站网址或者原文地址。任何问题请咨询:yoyou2525@163.com.