- (void)webViewDidFinishLoad:(UIWebView *)webView
{
//获取webview的标题
self.title = [webView stringByEvaluatingJavaScriptFromString:@"document.title"];
//获取webview的高度
CGFloat height = [[webView stringByEvaluatingJavaScriptFromString:@"document.body.scrollHeight"] floatValue];
}
