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pod 'ZBWKWebView'
在文件中引入头文件:#import "ZBWKWebView.h"
创建headerView
UIImageView *headerView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 200)];
headerView.backgroundColor = [UIColor redColor];
UIGraphicsBeginImageContextWithOptions(headerView.bounds.size, NO, 0);
[headerView drawRect:headerView.bounds];
NSString *headerStr = @"I am headerView";
[headerStr drawAtPoint:CGPointMake(10, headerView.bounds.size.height * 0.5 - 30) withAttributes:@{NSFontAttributeName : [UIFont italicSystemFontOfSize:45], NSForegroundColorAttributeName : [UIColor whiteColor]}];
UIImage *headerImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
headerView.image = headerImage;
//是否设置自定义headerView的背景色与WKWebView一致
_webView.isSameColorWithHeaderView = NO;
//设置头部视图
_webView.headerView = headerView;
创建footerView
UIImageView *footerView = [[UIImageView alloc] initWithFrame:CGRectMake(0, 0, self.view.bounds.size.width, 200)];
footerView.backgroundColor = [UIColor yellowColor];
UIGraphicsBeginImageContextWithOptions(footerView.bounds.size, NO, 0);
[footerView drawRect:footerView.bounds];
NSString *headerStr = @"I am footerView";
[headerStr drawAtPoint:CGPointMake(20, footerView.bounds.size.height * 0.5 - 30) withAttributes:@{NSFontAttributeName : [UIFont italicSystemFontOfSize:45], NSForegroundColorAttributeName : [UIColor redColor]}];
UIImage *headerImage = UIGraphicsGetImageFromCurrentImageContext();
UIGraphicsEndImageContext();
footerView.image = headerImage;
//是否设置自定义footerView的背景色与WKWebView一致
_webView.isSameColorWithFooterView = NO;
//设置尾部视图
_webView.footerView = footerView;
在代理方法中设置HeaderView和FooterView
//页面开始加载时调用
- (void)webView:(WKWebView * _Nonnull)webView didStartProvisionalNavigation:(WKNavigation *)navigation{
[_webView setupHeaderViewForWebView:(ZBWKWebView *)webView];
}
//页面完成加载时调用
-(void)webView:(WKWebView *)webView didFinishNavigation:(WKNavigation *)navigation{
[_webView setupFooterViewForWebView:(ZBWKWebView *)webView];
}
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