本文介绍了iOS - WKWebView 跨源请求仅支持 HTTP的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着跟版网的小编来一起学习吧！
问题描述
Hi i'm trying to load an html that is in the main Bundle with WKWebView this worked perfectly with UIWebView but now i have an error, the files in the html does not load send an error in the console : "XMLHttpRequest cannot load"
this is an example http://proyectoshm.com/esferas/dosaguas/dosaguascitta.html of the content embedded.
My code:
let folder = "maquetas/esferas/(esfera)"
let resourcePath = Bundle.main.resourcePath
let subdir = URL(fileURLWithPath:resourcePath!).appendingPathComponent(folder, isDirectory: true)
guard let path = Bundle.main.path(forResource: "index", ofType: "html", inDirectory: folder) else {
print("no se encontró path")
return
}
print(subdir.path)
let url = NSURL.fileURL(withPath: path)
print(url.path)
vistaweb = WKWebView(frame: self.view.frame)
vistaweb.loadFileURL(url, allowingReadAccessTo: subdir)
self.view.addSubview(vistaweb)
解决方案
To resolve it, you need to turn allowFileAccessFromFileURLs on from WKPreferences
Swift
webView.configuration.preferences.setValue(true, forKey: "allowFileAccessFromFileURLs")
Objective-C
[webView.configuration.preferences setValue:@YES forKey:@"allowFileAccessFromFileURLs"];
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