给NSString添加一个分类,分类中声明以下方法:
+ (NSString*)getPreferredLanguage
{
NSUserDefaults * defaults = [NSUserDefaults standardUserDefaults];
NSArray * allLanguages = [defaults objectForKey:@"AppleLanguages"];
NSString * preferredLang = [allLanguages objectAtIndex:0];
YLLog(@"当前语言:%@", preferredLang);
return preferredLang;
}
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