//获取当前系统语言
NSUserDefaults * defaults = [NSUserDefaults standardUserDefaults];
NSArray * allLanguages = [defaults objectForKey:@"AppleLanguages"];
NSString * preferredLang = [allLanguages objectAtIndex:0];
//获取当前系统语言
NSUserDefaults * defaults = [NSUserDefaults standardUserDefaults];
NSArray * allLanguages = [defaults objectForKey:@"AppleLanguages"];
NSString * preferredLang = [allLanguages objectAtIndex:0];