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if ([currentWebView subviews]) {
UIScrollView* scrollView = [[currentWebView subviews] objectAtIndex:0];
[scrollView setContentOffset:CGPointMake(0, 0) animated:YES];
}
iOS开发之UIWebView自动滑动到顶部
原文地址:http://www.cnblogs.com/huangzs/p/4491182.html