@interface ZZTestViewController ()
    
     @property (weak, nonatomic) IBOutlet UITableView *myTableView;@property (strong, nonatomic) NSArray *dataArray;@property (strong, nonatomic) ZZTestFooterView *footerView;@end@implementation ZZTestViewController- (void)viewDidLoad {    [super viewDidLoad];    [self initWithUI];    // Do any additional setup after loading the view from its nib.}- (void)initWithUI {    self.navigationItem.title = @"分类";    _dataArray = @[@"I", @"II", @"II", @"IV"];    [self initWithTableView];    }- (void)initWithTableView {    self.myTableView.dataSource = self;    self.myTableView.delegate = self;    [self.myTableView registerClass:[UITableViewCell class] forCellReuseIdentifier:@"cellId"];    self.myTableView.separatorStyle = UITableViewCellSeparatorStyleSingleLine;    }#pragma mark UITableViewDelegate, UITableViewDataSource- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section {    return 1;}- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView {    return _dataArray.count;}- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath {    return 50;}- (CGFloat)tableView:(UITableView *)tableView heightForFooterInSection:(NSInteger)section {    return 100;}- (UIView *)tableView:(UITableView *)tableView viewForFooterInSection:(NSInteger)section {        UIView *base = [[UIView alloc] initWithFrame:CGRectMake(0, 0, [UIScreen mainScreen].bounds.size.width, 100)];    _footerView = [[NSBundle mainBundle] loadNibNamed:@"ZZTestFooterView" owner:nil options:nil][0];        //footerView的按钮tag回调    __weak typeof(self) weakSelf = self;    [_footerView selectCategory:^(NSInteger tag) {        __strong typeof(weakSelf) strongSelf = weakSelf;        [strongSelf seleWithCategory:tag withIndex:section];    }];        [base addSubview:_footerView];        return base;}- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath {    UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cellId"];    cell.textLabel.text = _dataArray[indexPath.section];    return cell;}- (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath {    [tableView deselectRowAtIndexPath:indexPath animated:YES];}#pragma mark footerView 的按钮点击- (void)seleWithCategory:(NSInteger)tag withIndex:(NSInteger)index {    //index-->section    NSLog(@"%ld", index);}