UIWebView获取title的方式
在代理webViewDidFinishLoad方法中
-(void) webViewDidFinishLoad:(UIWebView *)webView {
[UIApplicationsharedApplication].networkActivityIndicatorVisible =NO;
self.title ＝ [webView stringByEvaluatingJavaScriptFromString:@"document.title"];//获取当前页面的title
}
WKWebView获取title的方式比较复杂点
- 1.wkWebView初始化完毕笔后设置代理并添加观察者
例如：
_wkWebView.UIDelegate = self;
[_wkWebView addObserver:self forKeyPath:@"title" options:NSKeyValueObservingOptionNew context:NULL];
//WkWebView的 回调
-(void)observeValueForKeyPath:(NSString *)keyPath ofObject:(id)object change:(NSDictionary *)change context:(void *)context{
if ([keyPath isEqualToString:@"title"]) {
if (object == self.wkWebView) {
self.title = self.wkWebView.title;
} else {
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
}
} else {
[super observeValueForKeyPath:keyPath ofObject:object change:change context:context];
}
}
- (void)dealloc{
[_wkWebView removeObserver:self forKeyPath:@"title"];
}
