蓝牙数据NSdata解析(swift版)

获取蓝牙Mac地址

 func getBleMAcAdressWithData(data :NSData) -> NSString{

           var array  = [UInt8](repeating: 0,count:data.length)

           data.getBytes(&array, length: data.length)

           let macString = NSMutableString()

           for index in 2...(data.length-1){

                   let str = NSString(format: "%02x", array[index]) as String

                   macString.append(str)

               }

           return macString

   }