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.
应用程序安全运输了明文HTTP（HTTP：/ /）资源负载是不安全的。暂时的异常可以通过您的应用程序的Info.plist文件配置。
加载不出数据
解决方法:在info.plist文件里修改加入
