IOS中一段文字设置多种字体颜色代码

[self fuwenbenLabel:contentLabel FontNumber:[UIFont systemFontOfSize:15] AndRange:NSMakeRange(6, 1) AndColor:RGBACOLOR(34, 150, 253, 1)];

//设置不同字体颜色
-(void)fuwenbenLabel:(UILabel *)labell FontNumber:(id)font AndRange:(NSRange)range AndColor:(UIColor *)vaColor
{
    NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:labell.text];
    //设置字号
    [str addAttribute:NSFontAttributeName value:font range:range];
    //设置文字颜色
    [str addAttribute:NSForegroundColorAttributeName value:vaColor range:range];
    labell.attributedText = str;
}