iOS获取设备的语言

//获取语言，设置segment
if ([[self getPreferredLanguage] isEqualToString:@"zh-TW"] ||
[[self getPreferredLanguage] isEqualToString:@"zh-HK"] ||
[[self getPreferredLanguage] isEqualToString:@"zh-Hant"] ||
[[self getPreferredLanguage] isEqualToString:@"zh-Hant-CN"]) {
//繁体中文
}else if ([[self getPreferredLanguage] isEqualToString:@"zh-Hans-CN"]) {
//简体中文
}else {
//其他语言，使用英文
}

- (NSString*)getPreferredLanguage {
NSUserDefaults * defaults = [NSUserDefaults standardUserDefaults];
NSArray * allLanguages = [defaults objectForKey:@"AppleLanguages"];
NSString * preferredLang = [allLanguages objectAtIndex:0];
NSLog(@"当前语言:%@", preferredLang);
return preferredLang;
}