本文主要介绍了js交互点击wkwebview中的图片实现预览效果,需要的朋友可以参考下,希望能帮助到大家。
Swift 4.0
WKWebView
1.注入js代码 (重点)
func webView(_ webView: WKWebView, didFinish navigation: WKNavigation!) {
let jsGetImages =
"function getImages(){" +
"var objs = document.getElementsByTagName(\"img\");" +
"var imgScr = '';" +
"for(var i=0;i2.使用SKPhotoBrowser框架实现图片预览功能
func webView(_ webView: WKWebView, decidePolicyFor navigationAction: WKNavigationAction, decisionHandler: @escaping (WKNavigationActionPolicy) -> Void) {
let requestString = navigationAction.request.url?.absoluteString
print(requestString!)
if (requestString?.hasPrefix("image-preview"))!{
let imgUrl = NSString.init(string: requestString!).substring(from: "image-preview:".count )
let index = imgUrlArray.index(of: imgUrl)
let browser = SKPhotoBrowser(photos: images)
browser.initializePageIndex(index)
present(browser, animated: true, completion: {})
}
decisionHandler(.allow) //一定要加上这句话
}相关推荐:
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