Swift - 使用CoreTelephony获取运营商信息、网络制式(4G、3G、2G)
在项目开发中,有时需要获取当前设备的运营商信息(是电信、还是联通、移动)。又或者想知道当前设备使用的移动网络制式(4G、3G、还是 2G)。这个借助系统的 CoreTelephony 框架就能够实现。
1,效果图
程序启动后自动获取手机的运营商、网络制式等信息,并输出到控制台中。

2,样例代码
import UIKit import CoreTelephony class ViewController: UIViewController { override func viewDidLoad() { super.viewDidLoad() //获取并输出运营商信息 let info = CTTelephonyNetworkInfo() if let carrier = info.subscriberCellularProvider { let currentRadioTech = info.currentRadioAccessTechnology! print("数据业务信息:\(currentRadioTech)") print("网络制式:\(getNetworkType(currentRadioTech: currentRadioTech))") print("运营商名字:\(carrier.carrierName!)") print("移动国家码(MCC):\(carrier.mobileCountryCode!)") print("移动网络码(MNC):\(carrier.mobileNetworkCode!)") print("ISO国家代码:\(carrier.isoCountryCode!)") print("是否允许VoIP:\(carrier.allowsVOIP)") } } //根据数据业务信息获取对应的网络类型 func getNetworkType(currentRadioTech:String) -> String { var networkType = "" switch currentRadioTech { case CTRadioAccessTechnologyGPRS: networkType = "2G" case CTRadioAccessTechnologyEdge: networkType = "2G" case CTRadioAccessTechnologyeHRPD: networkType = "3G" case CTRadioAccessTechnologyHSDPA: networkType = "3G" case CTRadioAccessTechnologyCDMA1x: networkType = "2G" case CTRadioAccessTechnologyLTE: networkType = "4G" case CTRadioAccessTechnologyCDMAEVDORev0: networkType = "3G" case CTRadioAccessTechnologyCDMAEVDORevA: networkType = "3G" case CTRadioAccessTechnologyCDMAEVDORevB: networkType = "3G" case CTRadioAccessTechnologyHSUPA: networkType = "3G" default: break } return networkType } override func didReceiveMemoryWarning() { super.didReceiveMemoryWarning() } }
附:手机的数据业务对应的通信技术
- CTRadioAccessTechnologyGPRS:2G(有时又叫2.5G,介于2G和3G之间的过度技术)
- CTRadioAccessTechnologyEdge:2G (有时又叫2.75G,是GPRS到第三代移动通信的过渡)
- CTRadioAccessTechnologyWCDMA:3G
- CTRadioAccessTechnologyHSDPA:3G (有时又叫 3.5G)
- CTRadioAccessTechnologyHSUPA:3G (有时又叫 3.75G)
- CTRadioAccessTechnologyCDMA1x :2G
- CTRadioAccessTechnologyCDMAEVDORev0:3G
- CTRadioAccessTechnologyCDMAEVDORevA:3G
- CTRadioAccessTechnologyCDMAEVDORevB:3G
- CTRadioAccessTechnologyeHRPD:3G (有时又叫 3.75G,是电信使用的一种3G到4G的演进技术)
- CTRadioAccessTechnologyLTE:4G (或者说接近4G)