NSMutableAttributedString常用代码
NSTextAttachment *attachment = [[NSTextAttachment alloc] init];
attachment.image = [UIImage imageNamed:@"mine_chat_popview_jinyan_icon"];
attachment.bounds = CGRectMake(0, -5, 21, 21);
NSMutableAttributedString *attributed = [[NSMutableAttributedString alloc] initWithAttributedString:[NSAttributedString attributedStringWithAttachment:attachment]];
NSMutableAttributedString *str = [[NSMutableAttributedString alloc] initWithString:@"禁言"];
[str addAttribute:NSForegroundColorAttributeName value:MAKECOLOR(28, 210, 133) range:NSMakeRange(0,2)];
[attributed appendAttributedString:str];
[self.jinyanBtn setAttributedTitle:attributed forState:UIControlStateNormal];