属性字符串NSMutableAttributedString

NSString * mailString &＃61; &＃64;"mymail&＃64;126.com";NSString * mailStringWithQuotes &＃61; [NSString stringWithFormat:&＃64;"\"%&＃64;\"",mailString];NSRange colorRange &＃61; [mailStringWithQuotes rangeOfString:mailStringWithQuotes];NSMutableAttributedString * attString &＃61; [[NSMutableAttributedString alloc] initWithString:mailStringWithQuotes];[attString addAttribute:NSForegroundColorAttributeName value:[UIColor greenColor] range:colorRange];NSRange underLineRange &＃61; [mailStringWithQuotes rangeOfString:mailString];[attString addAttribute:NSUnderlineStyleAttributeName value:&＃64;(NSUnderlineStyleSingle) range:underLineRange];self.mailLabel.attributedText &＃61; attString;