iOS 获取系统自带的字体，打印当前字体

    UIFont *font = [UIFont systemFontOfSize:[UIFont systemFontSize]];

    DLog(@"当前字体。。。 %@",font);

    NSMutableArray *familyNameArray = [[NSMutableArray alloc] init];

    NSArray* familyNamesAll = [UIFont familyNames];

    for (id family in familyNamesAll) {

        NSArray* fonts = [UIFont fontNamesForFamilyName:family];

        for (id font in fonts)

        {

            [familyNameArray addObject:font];

        }

    }

    DLog(@"所有字体 %@",familyNameArray);