iOS7字体汇总----打印即可获取

 NSArray *familyNames = [UIFont familyNames];

    for( NSString *familyName in familyNames ){

        NSLog(@"Family: %@",familyName);

        NSArray *fontNames = [UIFont fontNamesForFamilyName:familyName];
        for( NSString *fontName in fontNames ){
            NSLog(@"Font: %@",fontName);
        }

    }