iOS开发 给Label加下划线、中划线

添加中划线:  

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UILabel * strikeLabel = [[UILabel alloc] initWithFrame:(CGRectMake(10, 10, 50, 30))]; NSString *textStr = [NSString stringWithFormat:@"%@元", primeCost];   //中划线 NSDictionary *attribtDic = @{NSStrikethroughStyleAttributeName: [NSNumber numberWithInteger:NSUnderlineStyleSingle]}; NSMutableAttributedString *attribtStr = [[NSMutableAttributedString alloc]initWithString:textStr attributes:attribtDic];   // 赋值 strikeLabel.attributedText = attribtStr;   [self.view addSubview:strikeLabel];

添加下划线: 

 

 

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UILabel *underlineLabel = [[UILabel alloc] initWithFrame:(CGRectMake(10, 10, 50, 30))]; NSString *textStr = [NSString stringWithFormat:@"%@元", primeCost];   // 下划线 NSDictionary *attribtDic = @{NSUnderlineStyleAttributeName: [NSNumber numberWithInteger:NSUnderlineStyleSingle]}; NSMutableAttributedString *attribtStr = [[NSMutableAttributedString alloc]initWithString:textStr attributes:attribtDic];   //赋值 underlineLabel.attributedText = attribtStr;   [self.view addSubview:underlineLabel];