iOS 解决WKWebView加载本地html资源文件异常处理

WKWebViewConfiguration *config = [[WKWebViewConfiguration alloc] init];
    config.userContentController = userContentController;
    config.preferences.javaScriptEnabled = YES;
    config.suppressesIncrementalRendering = YES; // 是否支持记忆读取
   [config.preferences setValue:@YES forKey:@"allowFileAccessFromFileURLs"];//支持跨域
 
[self.webView loadFileURL:request.URL allowingReadAccessToURL:request.URL.URLByDeletingLastPathComponent];//第二个