UILabel设置删除线（电商商品价格）

UILabel *lable = [[UILabel alloc] initWithFrame:CGRectMake(20, 60, 100, 30)];
[self.view addSubview:lable];
lable.backgroundColor = [UIColor redColor];
lable.textAlignment = NSTextAlignmentCenter;
NSString *oldPrice = @"¥ 999999";
NSUInteger length = [oldPrice length];

NSMutableAttributedString *attri = [[NSMutableAttributedString alloc] initWithString:oldPrice];
[attri addAttribute:NSStrikethroughStyleAttributeName value:@(NSUnderlinePatternSolid | NSUnderlineStyleSingle) range:NSMakeRange(0, length)];
[attri addAttribute:NSStrikethroughColorAttributeName value:[UIColor yellowColor] range:NSMakeRange(0, length)];
[lable setAttributedText:attri];