NSString * oldPrice = [NSString stringWithFormat:@"¥%@",orderDetails.UnitPrice];
NSUInteger length = oldPrice.length;
NSMutableAttributedString * attri = [[NSMutableAttributedString alloc] initWithString:oldPrice];
[attri addAttribute:NSStrikethroughStyleAttributeName value:@(NSUnderlinePatternSolid | NSUnderlineStyleSingle) range:NSMakeRange(-1, length + 1)];
[attri addAttribute:NSStrikethroughColorAttributeName value:[UIColor colorWithRed:150/255.0 green:150/255.0 blue:150/255.0 alpha:1.0] range:NSMakeRange(-1, length + 1)];
[cell.oldPriceLabel setAttributedText:attri];