pod 'LLNetworkAccessibility-Swift'

// 1. 开启检测
LLNetworkAccessibility.start()

// 2. 配置自定义弹框
LLNetworkAccessibility.configAlertStyle(type: .custom,closeEnable: false,tintColor: .red)

// 3. 网络授权监听
LLNetworkAccessibility.reachabilityUpdateCallBack = { state in
    guard let state = state else { return }
    switch state {
    case .available:
         print("网络已授权")
    case .restricted:
         print("网络没授权")
    case .unknown:
         print("没有网络（飞行模式）")
    default:
        break
    }
}