tableView区头折叠

• ZHZHeaderView.h文件

@class ZHZHeaderView;
/** *  协议 *  作用: 传值(点击区头的section 和 区头view) *  
@param section  区头的section * 
 @param headview 区头view */
@protocol HeaderProtocol
- (void)clickHeaderOfSection:(NSInteger)section headView:(ZHZHeaderView *)headview;
@end
@interface ZHZHeaderView : UITableViewHeaderFooterView
@property (nonatomic, assign)id delegate;

/**

*  添加 轻击 手势

*/

@property (nonatomic, strong)UITapGestureRecognizer *tap;

@property (nonatomic, strong)UIImageView *imageV;

@property (nonatomic, strong)UILabel *titleLB;

@property (nonatomic, strong)UIImageView *typeImagV;

@end

• ZHZHeaderView.m文件

- (instancetype)initWithReuseIdentifier:(NSString *)reuseIdentifier

{

if (self = [super initWithReuseIdentifier:reuseIdentifier]) {

//在这里向contentView添加控件

_imageV = [[UIImageView alloc] init];

[self.contentView addSubview:_imageV];

_titleLB = [[UILabel alloc] init];

[self.contentView addSubview:_titleLB];

_typeImagV = [[UIImageView alloc] init];

[self.contentView addSubview:_typeImagV];

}

return self;

}

//布局子控件时添加 tap手势

- (void)layoutSubviews {

[super layoutSubviews];

self.imageV.frame = CGRectMake(40, 5, 25, 30);

self.imageV.backgroundColor = [UIColor redColor];

self.titleLB.frame = CGRectMake(70, 5, 100, 30);

self.titleLB.backgroundColor = [UIColor greenColor];

self.typeImagV.frame = CGRectMake(SCREEN_WIDTH - 70, 5, 30, 30);

self.typeImagV.backgroundColor = [UIColor greenColor];

//    self.contentView.backgroundColor = [UIColor redColor];

[self.contentView addGestureRecognizer:self.tap];

}

#pragma mark - Action

- (void)tapAction:(UITapGestureRecognizer *)tap {

if ([self.delegate respondsToSelector:@selector(clickHeaderOfSection:headView:)]) {

[self.delegate clickHeaderOfSection:self.tag headView:self];

}

}

#pragma mark - Getter

- (UITapGestureRecognizer *)tap {

if (_tap == nil) {

_tap = [[UITapGestureRecognizer alloc] initWithTarget:self action:@selector(tapAction:)];

}

return _tap;

}

#pragma mark - life

- (void)dealloc

{

[self removeGestureRecognizer:self.tap];

}

• tableview的代码块

#import "PhysicalViewController.h"#import "ZHZHeaderView.h"@interface PhysicalViewController ()@property (nonatomic, strong)  UITableView  *scrollerTableV;  //整个屏幕大的tableView

@property (nonatomic, strong)  UIView      *headerclassView; //集合View

///数据字典

@property (nonatomic, strong)NSDictionary *cityDict;

///存放每个区域状态

@property (nonatomic, strong)NSMutableArray *foldArr;

@end

@implementation PhysicalViewController

//懒加载创建tableView

-(UITableView *)scrollerTableV

{

if (!_scrollerTableV) {

_scrollerTableV = [[UITableView alloc] initWithFrame:CGRectMake(0, self.view.frame.origin.y, SCREEN_WIDTH, SCREEN_HEIGHT) style:UITableViewStylePlain];

_scrollerTableV.backgroundColor = KBackColor;

//        [_scrollerTableV registerClass:[HomePageCell class] forCellReuseIdentifier:@"HotTopicCell"];

//

//        [_scrollerTableV registerClass:[HomePageCell class] forCellReuseIdentifier:@"HomePageCell"];

[_scrollerTableV registerClass:[ZHZHeaderView class] forHeaderFooterViewReuseIdentifier:@"header"];

//去掉cell默认的分割线

//        _scrollerTableV.separatorStyle = NO;

_scrollerTableV.tableFooterView = [[UIView alloc] initWithFrame:CGRectZero];

}

return _scrollerTableV;

}

- (void)viewDidLoad {

[super viewDidLoad];

self.title = @"物理";

self.view.backgroundColor = [UIColor greenColor];

self.foldArr = [NSMutableArray array];

for (int i = 0; i <5; i++) {

[self.foldArr addObject:@0];

}

[self.view addSubview:self.scrollerTableV];

_scrollerTableV.delegate = self;

_scrollerTableV.dataSource = self;

[self setHeaderView];

}

//头部视图

- (void)setHeaderView{

_scrollerTableV.tableHeaderView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 100)];

_scrollerTableV.tableHeaderView.backgroundColor = [UIColor whiteColor];

_headerclassView = [[UIView alloc]initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, 100)];

_headerclassView.backgroundColor = [UIColor blueColor];

[_scrollerTableV.tableHeaderView addSubview:_headerclassView];

[self setThreeGradButton];

}

- (void)setThreeGradButton

{

for (int i = 0; i <3 ; i ++) {

UIButton *button = [UIButton buttonWithType:UIButtonTypeCustom];

button.frame = CGRectMake(40+((SCREEN_WIDTH-240)/3 +80)*i, 20, (SCREEN_WIDTH-240)/3, 100-40);

button.tag = i + 1;

[button setBackgroundColor:[UIColor redColor]];

[button addTarget:self action:@selector(gradButtonClick:) forControlEvents:UIControlEventTouchUpInside];

[_headerclassView addSubview:button];

}

}

- (void)gradButtonClick:(UIButton *)button

{

NSLog(@"点击的按钮是:%ld",button.tag);

}

#pragma mark---tableviewDelegate

- (NSInteger)numberOfSectionsInTableView:(UITableView *)tableView

{

return 5;

}

- (NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section

{

if ([self.foldArr[section] integerValue]) {

return 5;

}

return 0;

}

- (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath

{

return 50;

}

- (CGFloat)tableView:(UITableView *)tableView heightForHeaderInSection:(NSInteger)section

{

return 45;

}

- (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath

{

UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cell"];

if (!cell) {

cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"cell"];

cell.textLabel.text = @"声现象";

}

return cell;

}

- (UIView *)tableView:(UITableView *)tableView viewForHeaderInSection:(NSInteger)section {

ZHZHeaderView *headView = [tableView dequeueReusableHeaderFooterViewWithIdentifier:@"header"];

headView.titleLB.text = @"小学生啊";

headView.tag = section;

headView.delegate = self;

return headView;

}

#pragma mark -HeaderProtocol

- (void)clickHeaderOfSection:(NSInteger)section headView:(ZHZHeaderView *)headview{

NSLog(@"点击了区头");

self.foldArr[section] = @(![self.foldArr[section] integerValue]);

NSLog(@"%@",self.foldArr[section]);

[_scrollerTableV reloadSections:[NSIndexSet indexSetWithIndex:section] withRowAnimation:UITableViewRowAnimationNone];

}

@end