NS字典排序问题

Question

我有一个 NSDictionary 数组。

NSDictionary*  dictionary = [NSDictionary dictionaryWithObjects:bothUserName forKeys:bothUID];  // here array "bothUserName" and "bothUID" is an NSArray type


[dictionary keysSortedByValueUsingSelector:@selector(compare:)];

NSLog(@" dictionary objects %@",dictionary);

我得到这样的输出。

dictionary objects {

 14172368 = webtickle;
271882407 = electrodealio;
314125883 = Coral5mz;
316212228 = ajaysinghHF2;
316348693 = Caroline99a;
43944597 = WorldStuffer;
 }

但我想要这样的输出。

字典对象 {

 316212228 = ajaysinghHF2;
316348693 = Caroline99a;
314125883 = Coral5mz;
271882407 = electrodealio;
14172368 = webtickle;
43944597 = WorldStuffer;
 }

提前致谢。

Answer 1

keysSortedByValueUsingSelector 返回一个包含字典键的排序数组，您必须使用此返回的数组来检索关联的对象：

NSDictionary*  dictionary = [NSDictionary dictionaryWithObjects:bothUserName forKeys:bothUID];  

NSArray *sortedKeys = [dictionary keysSortedByValueUsingSelector:@selector(compare:)];

for (NSString *key in sortedKeys) {
  NSLog(@"%@: %@", key, [dictionary objectForKey:key]);
}