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webview 等比缩放

2015-12-07 11:55 381 查看
- (void)webViewDidFinishLoad:(UIWebView *)webView
{

[webView stringByEvaluatingJavaScriptFromString:@"document.body.style.zoom=0.5"];
}

修改网页表头内容:

NSString *meta = [NSString stringWithFormat:@"document.getElementsByName(\"viewport\")[0].content = \"width='width-device', initial-scale=2.0, minimum-scale=1.0, maximum-scale=1.0, user-scalable=yes\""];

[webView stringByEvaluatingJavaScriptFromString:meta];
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