應用場景:在做一些網購類APP或者是商品展示類的APP時,我們經常會遇到某種商品打折優惠或者搶購的場景,並且爲了吸引客戶,商家一般把打折商品的現價和原價同時顯示出來,進行對比,此時就出現了爲展示原價的label添加中劃線或者是下劃線的需求。下面就直接上代碼了:
1、添加中劃線。
UILabel *oldPriceLabel = (UILabel *)[selfviewWithTag:70+i];
NSString *oldStr = [NSStringstringWithFormat:@"%ld元",oldPrice];
//中劃線
NSDictionary *attribtDic =@{NSStrikethroughStyleAttributeName: [NSNumbernumberWithInteger:NSUnderlineStyleSingle]};
NSMutableAttributedString *attribtStr = [[NSMutableAttributedStringalloc]initWithString:oldStrattributes:attribtDic];
oldPriceLabel.attributedText = attribtStr;
效果如圖所示:
2、添加下劃線。
UILabel *oldPriceLabel = (UILabel *)[selfviewWithTag:70+i];
NSString *oldStr = [NSStringstringWithFormat:@"%ld元",oldPrice];
//下劃線
NSDictionary *attribtDic =@{NSUnderlineStyleAttributeName: [NSNumbernumberWithInteger:NSUnderlineStyleSingle]};
NSMutableAttributedString *attribtStr = [[NSMutableAttributedStringalloc]initWithString:oldStrattributes:attribtDic];
oldPriceLabel.attributedText = attribtStr;
效果如圖所示: