iOS开发: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

默认情况下，http协议因为安全问题被禁止使用，可以在Info.plist里配置打开。 在根节点下添加”App Transport Security Settings”,在App Transport Security Settings下添加”Allow Arbitrary Loads”,Value设为YES 如下图：