UIFont *font = [UIFontsystemFontOfSize:[UIFontsystemFontSize]];

DLog(@"當前字型。。。 %@",font);

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

    NSArray* familyNamesAll = [UIFont familyNames];

    for (id family in familyNamesAll) {

        NSArray* fonts = [UIFont fontNamesForFamilyName

        for (id font in fonts)

        {

            [familyNameArray addObject:font];

        }

    }

    DLog(@"所有字型 %@",familyNameArray);