iOS 数组排序（原创）

    NSArray *sortedArray = [userArr sortedArrayUsingComparator:^NSComparisonResult(id obj1, id obj2)
                            {
                                if([VShowUtil isEmptyString:[obj1 objectForKey:@"vlevel"]])
                                {
                                    return NSOrderedDescending;
                                }
                                if([VShowUtil isEmptyString:[obj2 objectForKey:@"vlevel"]])
                                {
                                    return NSOrderedSame;
                                }
                                if ([[obj1 objectForKey:@"vlevel"] intValue] > [[obj2 objectForKey:@"vlevel"] intValue]){
                                    
                                    return NSOrderedSame;
                                }
                                if ([[obj1 objectForKey:@"vlevel"] intValue] < [[obj2 objectForKey:@"vlevel"] intValue]){
                                    return NSOrderedDescending;
                                }
                                return NSOrderedSame;
                            }];
    [userArr removeAllObjects];
    [userArr addObjectsFromArray:sortedArray];

/*!
 *  @Author Yunis_song, 14-12-22 15:12:38
 *
 *  @brief  对付费道具进行价格排序
 *
 *  @param userArr 付费道具数组
 */
- (void)shortArr:(NSMutableArray *)userArr
{
    NSArray *sortDescriptors = [NSArray arrayWithObject:[NSSortDescriptor sortDescriptorWithKey:@"price" ascending:YES]];
    [userArr sortUsingDescriptors:sortDescriptors];

}