[ iOS ] 排序

排序

- (void)viewDidLoad {
    [super viewDidLoad];
    // Do any additional setup after loading the view, typically from a nib.
    items = [NSArray arrayWithContentsOfFile:[[NSBundle mainBundle] pathForResource:@"springs" ofType:@"plist"]];

    NSSortDescriptor *s = [NSSortDescriptor sortDescriptorWithKey:@"admArea" ascending:YES];
    NSSortDescriptor *s1 = [NSSortDescriptor sortDescriptorWithKey:@"title" ascending:YES];
    NSArray *aa = [items sortedArrayUsingDescriptors:@[s, s1]];
    for (int i=0; i < aa.count; i++) {
        NSLog(@"%@ %@", aa[i][@"admArea"], aa[i][@"title"]);
    }
}