iOS使用webView 加载网页，在模拟器中没有问题，而真机却白屏了。App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist f

 还在info.plist中配置。除了配置允许上网的配置之外，还有另一项。

 第一项：配置允许上网。

 第二项：解决白屏问题。

打印提示：App Transport Security has blocked a cleartext HTTP (http://) resource load since it is insecure. Temporary exceptions can be configured via your app's Info.plist file.