环境:系统版本:OSX 10.10.2
Xcodel版本:7.1.1
模拟器:iPhone6
功能:网页滚动的时候,表头也跟着滚动
1.首先创建webView的类,定义属性
UIWebView *webView = [[UIWebView alloc]initWithFrame:CGRectMake(0, 0, 375, 667)];
webView.scalesPageToFit = YES;
NSURL *url = [NSURL URLWithString:@"https://m.yhouse.com/meal-app/774"];
[webView loadRequest:[NSURLRequest requestWithURL:url]];
[self.contentView addSubview:webView];
2.创建表头视图
UIView *myview = [[UIView alloc]initWithFrame:CGRectMake(0, -500, 375, 500)]; // 头部视图的y要给负值
myview.backgroundColor = [UIColor magentaColor];
<span style="background-color: rgb(255, 255, 153);">webView.scrollView.contentInset = UIEdgeInsetsMake(500, 0, 0, 0);// 设置内部偏移量</span>
[webView.scrollView addSubview:myview];
关键需要设置网页的内部偏移量
4.此外webView还有4个代理方法,可以在里面处理点击事件
- (BOOL)webView:(UIWebView *)webView shouldStartLoadWithRequest:(NSURLRequest *)request navigationType:(UIWebViewNavigationType)navigationType;
- (void)webViewDidStartLoad:(UIWebView *)webView;
- (void)webViewDidFinishLoad:(UIWebView *)webView;
- (void)webView:(UIWebView *)webView didFailLoadWithError:(nullable NSError *)error;