Xcode 7中http通信出现如下错误:Application 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.
原因
在iOS9 beta1中,苹果将原http协议改成了https协议,使用 TLS1.2 SSL加密请求数据。
解决方法
编辑 info.plist,加入如下设置:
<plist>
<dict>
....
<key>NSAppTransportSecurity</key>
<dict>
<key>NSAllowsArbitraryLoads</key>
<true/>
</dict>
</dict>
</plist>
在info.plist中查看如下所示: