import "ViewController.h"
/**
- 屏幕宽度
*/
define SCREEN_WIDTH ([UIScreen mainScreen].bounds.size.width)
/**
- 屏幕高度
*/
define SCREEN_HEIGHT ([UIScreen mainScreen].bounds.size.height)
define ImgHight 200.0f
@interface ViewController ()<UITableViewDataSource,UITableViewDelegate,UIScrollViewDelegate>
@property (nonatomic, strong) UITableView *tableView;
@property (nonatomic, strong) UIImageView *imgView;
@end
@implementation ViewController
-
(void)viewDidLoad {
[super viewDidLoad];_tableView = [[UITableView alloc] initWithFrame:CGRectMake(0, 0, SCREEN_WIDTH, SCREEN_HEIGHT) style:UITableViewStylePlain];
_tableView.delegate = self;
_tableView.dataSource = self;
_tableView.contentInset = UIEdgeInsetsMake(ImgHight, 0, 0, 0);
[self.view addSubview:_tableView];_imgView = [[UIImageView alloc] initWithFrame:CGRectMake(0, -ImgHight, SCREEN_WIDTH, ImgHight)];
_imgView.image = [UIImage imageNamed:@"3.jpg"];
_imgView.backgroundColor = [UIColor greenColor];
[_tableView addSubview:_imgView];
} (void)scrollViewDidScroll:(UIScrollView *)scrollView
{
CGPoint point = scrollView.contentOffset;
if (point.y < -ImgHight) {
CGRect rect = _imgView.frame;
rect.origin.y = point.y;
rect.size.height = -point.y;
_imgView.frame = rect;
}
}(NSInteger)tableView:(UITableView *)tableView numberOfRowsInSection:(NSInteger)section
{
return 10;
}-
(UITableViewCell *)tableView:(UITableView *)tableView cellForRowAtIndexPath:(NSIndexPath *)indexPath
{
UITableViewCell *cell = [tableView dequeueReusableCellWithIdentifier:@"cellID"];
if (!cell) {
cell = [[UITableViewCell alloc] initWithStyle:UITableViewCellStyleValue1 reuseIdentifier:@"cellID"];
}return cell;
} (void)didReceiveMemoryWarning {
[super didReceiveMemoryWarning];
// Dispose of any resources that can be recreated.
}
@end