Paste_Image.png
// 同时修改了按钮的颜色背景 修改全标签未实现
func webViewDidFinishLoad(_ webView: UIWebView) {
let jsString = "document.getElementsByClassName('db sideDate szIcon').item(0).style.backgroundColor = ('red')"
let js_href = "document.getElementsByClassName('db sideDate szIcon')[0].href=\"http://120.76.78.245/__cache__/mobile/exit.html\";"
//没实现
let jsjsjs = "document.getElementsByClassName('db sideDate szIcon')[0].innerHTML=\"<a href=\"shop.html\" class=\"db sideDate dhIcon\">兑换市</a>\""
webView.stringByEvaluatingJavaScript(from: js_href)
// webView.stringByEvaluatingJavaScript(from: jsString)
// webView.stringByEvaluatingJavaScript(from: jsjsjs)
}
