您应该看一看在iOS7 + MultipeerConnectivity框架，允许附近的设备以彼此之间的沟通。这是很容易通过这个框架，裹成的NSData ​​ code>变量从一个设备发送消息到（一）其他设备（S）。

You should have a look at the iOS7+ MultipeerConnectivity Framework, which allows nearby devices to communicate amongst themselves. This is easy to send message from one device to (an)other device(s) through this framework, wrapped into a NSData variable.

此框架是很容易成立，但不要犹豫，看看的 GitHub上的搜索结果。

This framework is really easy to set up, but do not hesitate to have a look at GitHub search results.