iOS巔峯之UILabel上顯示不同的字體樣式和顏色

UILabel *attrLabel = [[UILabel alloc] initWithFrame:CGRectMake(0, 100, self.view.frame.size.width, 30)];

    [self.view addSubview:attrLabel];

    

    NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:@"Using NSAttributed String"];

    [str addAttribute:NSForegroundColorAttributeName value:[UIColor blueColor] range:NSMakeRange(0, 5)];

    [str addAttribute:NSForegroundColorAttributeName value:[UIColor redColor] range:NSMakeRange(6, 12)];

    [str addAttribute:NSForegroundColorAttributeName value:[UIColor greenColor] range:NSMakeRange(19, 6)];

    

    [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Arial-BoldItalicMT" size:30.0] range:NSMakeRange(0, 5)];

    [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"HelveticaNeue-Bold" size:35.0] range:NSMakeRange(6, 12)];

    [str addAttribute:NSFontAttributeName value:[UIFont fontWithName:@"Courier-BoldOblique" size:30.0] range:NSMakeRange(19, 6)];

    

    attrLabel.attributedText = str;