Label 设置行间距 和 title格式

UILabel *hintLabel = [[UILabel
alloc] initWithFrame:CGRectMake(AutoSize(10),
self.goNextButton.bottom +
AutoSize(5),
SCREEN_WIDTH - AutoSize(20),
AutoSize(80))];
    hintLabel.numberOfLines =
0;
    NSMutableAttributedString *hintString = [[NSMutableAttributedString
alloc] initWithString:@"温馨提示：\n1.填写借款人的借款意向，即可算出借款人需要付出的费用。\n2.本计算结果只提供大概数据哦，具体会根据借款人房产及征信情况而定。"];
    [hintString addAttribute:NSFontAttributeName
value:[UIFont
systemFontOfSize:AutoSize(10)]
range:NSMakeRange(5, hintString.length-5)];
    [hintString addAttribute:NSFontAttributeName
value:[UIFont
boldSystemFontOfSize:AutoSize(11)]
range:NSMakeRange(0 ,5)];
    [hintString addAttribute:NSForegroundColorAttributeName
value:kColorTextColor333333
range:NSMakeRange(0, hintString.length)];
    
    NSMutableParagraphStyle *paragraphStyle = [[NSMutableParagraphStyle
alloc] init];
    paragraphStyle.lineSpacing =
5.0;
    [hintString addAttribute:NSParagraphStyleAttributeName
value:paragraphStyle range:NSMakeRange(0, hintString.length)];
    
    hintLabel.attributedText = hintString;
    [footerView addSubview:hintLabel];