viewDidLoad里面
webView.delegate = self
self.view.backgroundColor = UIColor.white
webView.scrollView.bounces = true
webView.scalesPageToFit = true
webView.isUserInteractionEnabled = true
webView.autoresizingMask = UIViewAutoresizing.flexibleWidth
webView.autoresizingMask = UIViewAutoresizing.flexibleHeight
webView.isMultipleTouchEnabled = true
webView.scrollView.isScrollEnabled = true
func webViewDidFinishLoad(_ webView: UIWebView) {
// 這是給網(wǎng)頁(yè)里面的內(nèi)容注入js代碼 這個(gè)讓網(wǎng)頁(yè)內(nèi)容縮放
let jsMeta = "var meta = document.createElement('meta');meta.content='width=device-width,initial-scale=1.0,minimum-scale=.5,maximum-scale=3';meta.name='viewport';document.getElementsByTagName('head')[0].appendChild(meta);"
webView.stringByEvaluatingJavaScript(from: jsMeta)
}
