Swift - 使用CoreTelephony获取运营商信息、网

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

2、样例代码

//
//  ViewController.swift
//  networkType
//
//  Created by 李东 on 2020/11/16.
//

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
        }
}

原文出自：www.hangge.com 转载请保留原文链接：https://www.hangge.com/blog/cache/detail_1607.html