1.UIWebView加载html
NSURL *url = [NSURL URLWithString:self.sourceString];
NSURLRequest *request = [NSURLRequest requestWithURL:url];
[self.webView loadRequest:request];
2.js获取webview中的视频资源
- (void)webViewDidFinishLoad:(UIWebView *)webView {
NSString *jsString = @"(document.getElementsByTagName(\"video\")[0]).src";
NSString *videoUrlString = [self.webView stringByEvaluatingJavaScriptFromString:jsString];
}
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