How can I get data from JavaScript in webview?

Question

This is my JavaScript and HTML in iOS Project:

<input type="file" id="upload">

and I open the HTML in my webview

func webload() {
    let myPath = NSBundle.mainBundle().pathForResource("index", ofType: "html")

    webview.loadRequest(NSURLRequest(URL: NSURL(string: myPath!)!))
}

but how can I get the file on My iOS APP?

Answer 1

您需要使用https://developer.apple.com/library/ios/documentation/UIKit/Reference/UIWebView_Class/#//apple_ref/occ/instm/UIWebView/stringByEvaluatingJavaScriptFromString将javascript注入到Webview中：