lable上显示不同的字体颜色

+(void)SetWithLabel:(UILabel *)label FontNumber:(id)font AndRange:(NSRange)aRange AndColor:(UIColor *)aColor
{
NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:label.text];
//设置字号
[str addAttribute:NSFontAttributeName value:font range:aRange];
//设置文字颜色
[str addAttribute:NSForegroundColorAttributeName value:aColor range:aRange];
label.attributedText = str;
}