NSBundle *bundle = [NSBundle mainBundle];
NSURL *plistURL = [bundle URLForResource:@"provinceCities" withExtension:@"plist"];
NSLog(@"%@", plistURL);
self.dictionary = [NSDictionary dictionaryWithContentsOfURL:plistURL];
NSArray *components = [dictionary allKeys];
NSArray *sorted = [components sortedArrayUsingSelector:@selector(compare:)];
遍历字典
for (NSString* key in dictionary)
{
nslog(@"%@,%@",key,[dictionary ObjectiveForKey:@"key"]);
}