我对iOS开发很新，我正在构建我的第一个应用程序。 我正在尝试使用文本字段自动填充特定国家/地区的电话国家/地区代码。
因此，例如，如果用户选择“UK”，他会自动将“+44”插入该文本字段。
目前，我正在努力寻找如何获得该国家的确切国家电话代码。 我可以创建一个包含所有国家和国家电话代码的NSDictionary，但我认为可能有更好的方法。
答案 0 :(得分：7)
如果您的目标是获取用户当前位置的拨号代码，那么您应该使用HMDiallingCode。
它使用CoreLocation和反向地理编码来获取用户的当前国家/地区，然后检索它的拨号代码。
答案 1 :(得分：4)
我认为，您只能使用CoreTelephony框架获取当前运营商的国家/地区代码：
CTTelephonyNetworkInfo *info = [CTTelephonyNetworkInfo new];
CTCarrier *carrier = info.subscriberCellularProvider;
NSLog(@"country code is: %@", carrier.mobileCountryCode);
如果您需要所有国家/地区的完整代码列表，则需要使用一些在线服务进行查询。
答案 2 :(得分：1)
我担心没有更好的方法。我的应用程序包含一个.plist文件，其中包含每个国家/地区的数组，其中包含名称，代码，电话代码，中继代码等。您将无法从iOS API获取所有信息。 如果您只需要国家/地区代码的国际电话代码，here您就是一个完整的表格链接。
答案 3 :(得分：0)
我为国家代码写了一个开关
let regionCode = NSLocale.current.regionCode
var countryCode:String{
switch regionCode {
case "CA", "US", "AG", "AI", "AS", "BB", "BM", "BS", "DM", "DO", "GD", "GU", "JM", "KN", "KY", "LC", "MP", "MS", "PR", "SX", "TC", "TT", "VC", "VG", "VI", "UM": return "+1"
case "GR": return "+30"
case "NL": return "+31"
case "BE": return "+32"
case "FR": return "+33"
case "ES": return "+34"
case "HU": return "+36"
case "GI": return "+350"
case "PT": return "+351"
case "LU": return "+352"
case "IE": return "+353"
case "IS": return "+354"
case "MT": return "+356"
case "CY": return "+357"
case "FI","AX": return "+358"
case "BG": return "+359"
case "LT": return "+370"
case "LV": return "+371"
case "EE": return "+372"
case "MD": return "+373"
case "BY": return "+375"
case "AD": return "+376"
case "MC": return "+377"
case "SM": return "+378"
case "VA": return "+379"
case "UA": return "+380"
case "RS": return "+381"
case "ME": return "+382"
case "XK": return "+383"
case "HR": return "+385"
case "SI": return "+386"
case "BA": return "+387"
case "EU": return "+388"
case "MK": return "+389"
case "IT": return "+39"
case "RO": return "+40"
case "CH": return "+41"
case "CZ": return "+420"
case "SK": return "+421"
case "LI": return "+423"
case "AT": return "+43"
case "UK","GG", "IM", "JE": return "+44"
case "DK": return "+45"
case "SE": return "+46"
case "NO","SJ","BV": return "+47"
case "PL": return "+48"
case "DE": return "+49"
case "FK", "GS": return "+500"
case "BZ": return "+501"
case "GT": return "+502"
case "SV": return "+503"
case "HN": return "+504"
case "NI": return "+505"
case "CR": return "+506"
case "PA": return "+507"
case "PM": return "+508"
case "HT": return "+509"
case "PE": return "+51"
case "MX": return "+52"
case "CU": return "+53"
case "AR": return "+54"
case "BR": return "+55"
case "CL": return "+56"
case "CO": return "+57"
case "VE": return "+58"
case "GB","BL","MF": return "+590"
case "BO": return "+591"
case "GY": return "+592"
case "EC": return "+593"
case "GF": return "+594"
case "PY": return "+595"
case "MQ": return "+596"
case "SR": return "+597"
case "UY": return "+598"
case "BQ", "CW": return "+599"
case "MY": return "+60"
case "AU", "CX", "CC": return "+61"
case "ID": return "+62"
case "PH": return "+63"
case "NZ", "PN": return "+64"
case "SG": return "+65"
case "TH": return "+66"
case "TL": return "+670"
case "NF", "AQ", "HM": return "+672"
case "BN": return "+673"
case "NR": return "+674"
case "PG": return "+675"
case "TO": return "+676"
case "SB": return "+677"
case "VU": return "+678"
case "FJ": return "+679"
case "PW": return "+680"
case "WF": return "+681"
case "CK": return "+682"
case "NU": return "+683"
case "WS": return "+685"
case "KI": return "+686"
case "NC": return "+687"
case "TV": return "+688"
case "PF": return "+689"
case "TK": return "+690"
case "FM": return "+691"
case "MH": return "+692"
case "XT": return "+800"
case "XS": return "+808"
case "JP": return "+81"
case "KR": return "+82"
case "RU", "KZ": return "+7"
case "VN": return "+84"
case "KP": return "+850"
case "HK": return "+852"
case "MO": return "+853"
case "KH": return "+855"
case "LA": return "+856"
case "CN": return "+86"
case "XN": return "+870"
case "XP": return "+878"
case "BD": return "+880"
case "XG": return "+881"
case "XV": return "+883"
case "TW": return "+886"
case "XD": return "+888"
case "TR","CT": return "+90"
case "IN": return "+91"
case "PK": return "+92"
case "AF": return "+93"
case "LK": return "+94"
case "MM": return "+95"
case "MV": return "+960"
case "LB": return "+961"
case "JO": return "+962"
case "SY": return "+963"
case "IQ": return "+964"
case "KW": return "+965"
case "SA": return "+966"
case "YE": return "+967"
case "OM": return "+968"
case "PS": return "+970"
case "AE": return "+971"
case "IL": return "+972"
case "BH": return "+973"
case "QA": return "+974"
case "BT": return "+975"
case "MN": return "+976"
case "NP": return "+977"
case "XR": return "+979"
case "IR": return "+98"
case "XC": return "+991"
case "TJ": return "+992"
case "TM": return "+993"
case "AZ": return "+994"
case "GE": return "+995"
case "KG": return "+996"
case "UZ": return "+998"
default: return "+"
}
}
某些国家/地区没有加入