iOS objective-c NSDictionary有序排列

NSArray *keysArray = [dictionary allKeys];//获取所有键存到数组
NSArray *sortedArray = [keysArray sortedArrayUsingComparator:^NSComparisonResult(id obj1, id obj2){
return [obj1 compare:obj2 options:NSNumericSearch];
}];//由于allKeys返回的是无序数组，这里我们要排列它们的顺序
for (NSString *key in sortedArray) {
NSString *value = [dictionary objectForKey: key];
NSLog(@"排列的值:%@",value);
}//遍历整理后的数组，通过objectForKey来获取相应的Value值