上篇博客已经介绍了如何使用UITableView横屏滑动,本篇博客加上了点击放大的操作,是放在UITableViewCell的cell上的,因为可视化控件太多了,故此隐藏掉,使用方法也很简单.userInteractionEnabled = false就可以了。
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1.点击UIButton中的图片放大,首先要写UIButton的方法
2.改变控件大小的方法有很多,一个改变之后的大小,一个之前的大小
3.默认是第一个选中,跟单选很像,那就定义一个标记,然后每次点击替换标记,然后做对比是不是同一个标记
4.然后就是刷新UITableView
#import "ViewController.h" #import "FFTableViewCell.h" @interface ViewController ()@property(strong,nonatomic)UITableView *myTableView; @property(strong,nonatomic)NSIndexPath *selectedIndexPath; @end @implementation ViewController - (UITableView *)myTableView{ if(!_myTableView){ CGRect tableViewRect = CGRectMake(0, 0,100, CGRectGetWidth(self.view.frame)); _myTableView = [[UITableView alloc] initWithFrame:CGRectZero style:UITableViewStylePlain]; _myTableView.dataSource = self; _myTableView.delegate = self; _myTableView.frame = tableViewRect; _myTableView.separatorStyle = NO; _myTableView.backgroundColor = [UIColor grayColor]; _myTableView.transform = CGAffineTransformMakeRotation(-M_PI / 2); _myTableView.showsVerticalScrollIndicator = NO; _myTableView.center = CGPointMake(self.view.frame.size.width / 2, 50); } return _myTableView; } - (void)viewDidLoad { [super viewDidLoad]; //AppDelegate 进行全局设置 if (@available(iOS 11.0, *)){ [[UIScrollView appearance] setContentInsetAdjustmentBehavior:UIScrollViewContentInsetAdjustmentNever]; } self.view.backgroundColor = [UIColor purpleColor]; [self.view addSubview:self.myTableView]; self.selectedIndexPath = [NSIndexPath indexPathForRow:0 inSection:0]; // Do any additional setup after loading the view, typically from a nib. } - (CGFloat)tableView:(UITableView *)tableView heightForRowAtIndexPath:(NSIndexPath *)indexPath{ return 100; } -(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section{ return 50; } - (UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath{ FFTableViewCell *cell = [FFTableViewCell cellWithTableView:tableView]; if([self.selectedIndexPath isEqual:indexPath]){ [cell zoomPtoto:YES]; }else{ [cell zoomPtoto:NO]; } return cell; } #pragma mark 选中的方法 - (void)tableView:(UITableView *)tableView didSelectRowAtIndexPath:(NSIndexPath *)indexPath{ [tableView deselectRowAtIndexPath:indexPath animated:YES]; self.selectedIndexPath = indexPath; [self.myTableView reloadData]; } - (void)dealloc{ _myTableView = nil; } - (void)didReceiveMemoryWarning { [super didReceiveMemoryWarning]; // Dispose of any resources that can be recreated. } @end #import "FFTableViewCell.h" @interface FFTableViewCell() @property(strong,nonatomic)UIButton *monthBtn; @end @implementation FFTableViewCell static NSString *cellID = @"FFTableViewCell"; - (UIButton *)monthBtn{ if(!_monthBtn){ _monthBtn = [UIButton buttonWithType:UIButtonTypeCustom]; _monthBtn.backgroundColor = [UIColor redColor]; _monthBtn.layer.cornerRadius = 20.0f; _monthBtn.clipsToBounds = YES; [_monthBtn setTitle:@"在干嘛" forState:UIControlStateNormal]; _monthBtn.titleLabel.font = [UIFont systemFontOfSize:11.0f]; _monthBtn.userInteractionEnabled = false; } return _monthBtn; } - (void)awakeFromNib { [super awakeFromNib]; // Initialization code } + (instancetype)cellWithTableView:(UITableView *)tableView { FFTableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:cellID]; if (cell == nil) { cell = [[FFTableViewCell alloc]initWithStyle:UITableViewCellStyleDefault reuseIdentifier:cellID]; } return cell; } - (instancetype)initWithStyle:(UITableViewCellStyle)style reuseIdentifier:(NSString *)reuseIdentifier{ self = [super initWithStyle:style reuseIdentifier:reuseIdentifier]; if(self){ self.contentView.transform = CGAffineTransformMakeRotation(M_PI / 2); [self.contentView addSubview:self.monthBtn]; } return self; } - (void)zoomPtoto:(BOOL)isBool{ _isBool = isBool; if(isBool){ _monthBtn.layer.cornerRadius = 30.0f; _monthBtn.frame = CGRectMake((CGRectGetWidth(self.contentView.frame)-60)/2, (CGRectGetHeight(self.contentView.frame)-60)/2, 60,60); }else{ _monthBtn.layer.cornerRadius = 20.0f; _monthBtn.frame = CGRectMake((CGRectGetWidth(self.contentView.frame)-40)/2, (CGRectGetHeight(self.contentView.frame)-40)/2, 40,40); } } - (void)layoutSubviews{ [super layoutSubviews]; if(_isBool){ _monthBtn.layer.cornerRadius = 30.0f; _monthBtn.frame = CGRectMake((CGRectGetWidth(self.contentView.frame)-60)/2, (CGRectGetHeight(self.contentView.frame)-60)/2, 60,60); }else{ _monthBtn.layer.cornerRadius = 20.0f; _monthBtn.frame = CGRectMake((CGRectGetWidth(self.contentView.frame)-40)/2, (CGRectGetHeight(self.contentView.frame)-40)/2, 40,40); } } - (void)setSelected:(BOOL)selected animated:(BOOL)animated { [super setSelected:selected animated:animated]; // Configure the view for the selected state } - (void)dealloc{ _monthBtn = nil; } @end