[代码]label增加删除线

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];