C#打印小票（连续自动打印）

本文主要是介绍C#打印小票（连续自动打印），对大家解决编程问题具有一定的参考价值，需要的程序猿们随着小编来一起学习吧！

注意前端需要引用（LodopFuncs.js,JsBarcode.all.min.js,jquery.js）当然还有安装打印机驱动还有Lodop的驱动
前端代码调用打印方法部分
json.printinfo是后端传向前端的生成好的打印代码。

  //执行打印小票
                       
                                var orderids = "";
                                if (json.printinfo != "")
                                {
                                    var imgsrc = "\"../../../Content/img/wjywx.jpg\"";
                                    function print() {
                                        let jsCode = eval(json.printinfo)
                                        //打印小票完成根据订单id去修改订单在数据库中的状态
                                        $.ajax({
                                            type: 'POST',
                                            url: "../Home/UpdateOrderStatic?Orderid=" + orderids,
                                            data: "",
                                            dataType: 'json',
                                            async: false,
                                            cache: false,
                                            success: function (json) {
                                                if (json.responseText == "True") {
                                                    alert("打印完成")
                                                } else {
                                                    alert("修改订单状态失败")
                                                }
                                                
                                            }
                                        })
                                    }
                                    print();
                                        
                                }
                            

打印小票用到的实体

 /// <summary>
    /// 打印小票实体
    /// </summary>
    public class Printmodel
    {
        /// <summary>
        /// 小票顶部标题例如【含处方药】
        /// </summary>
        private string title;
        /// <summary>
        /// 平台例如【京东到家】
        /// </summary>
        private string platform;
        /// <summary>
        /// 订单序号例如【#4】顾客联
        /// </summary>
        private string number;
        /// <summary>
        /// 门店名称【例如阳光小镇24H店】
        /// </summary>
        private string storeName;
        /// <summary>
        /// 下单时间
        /// </summary>
        private string orderCreateTime;
        /// <summary>
        /// 预计送达时间
        /// </summary>
        private string deliveryTime;
        /// <summary>
        /// 订单id
        /// </summary>
        private string orderId;
        /// <summary>
        /// 客户名称
        /// </summary>
        private string userName;
        /// <summary>
        /// 客户联系电话
        /// </summary>
        private string userTel;
        /// <summary>
        /// 客户备注
        /// </summary>
        private string userNote;
        /// <summary>
        /// 用户地址
        /// </summary>
        private string userAddress;
        /// <summary>
        /// 商品信息
        /// </summary>
        private List<GoodsModel> goods;
        /// <summary>
        /// 商品优惠金额
        /// </summary>
        private decimal preferential;
        /// <summary>
        /// 配送全额
        /// </summary>
        private decimal distribution;
        /// <summary>
        /// 包装费
        /// </summary>
        private decimal packaging;
        /// <summary>
        /// 门店联系电话
        /// </summary>
        private string storeTel;
        /// <summary>
        /// 投诉电话
        /// </summary>
        private string complaintsTel;
        /// <summary>
        /// 温馨·提示内容
        /// </summary>
        private string prompt;
        /// <summary>
        /// 微信二维码路径
        /// </summary>
        private string wxImg;
        /// <summary>
        /// 图片下面的消息
        /// </summary>
        private string message;
        /// <summary>
        /// 标题
        /// </summary>
        public string Title { get => title; set => title = value; }
        /// <summary>
        /// 平台
        /// </summary>
        public string Platform { get => platform; set => platform = value; }
        /// <summary>
        /// 订单序号例如【#4】
        /// </summary>
        public string Number { get => number; set => number = value; }
        /// <summary>
        /// 门店名称
        /// </summary>
        public string StoreName { get => storeName; set => storeName = value; }
        /// <summary>
        /// 下单时间
        /// </summary>
        public string OrderCreateTime { get => orderCreateTime; set => orderCreateTime = value; }
        /// <summary>
        /// 预计到达时间
        /// </summary>
        public string DeliveryTime { get => deliveryTime; set => deliveryTime = value; }
        /// <summary>
        /// 订单id
        /// </summary>
        public string OrderId { get => orderId; set => orderId = value; }
        /// <summary>
        /// 顾客姓名
        /// </summary>
        public string UserName { get => userName; set => userName = value; }
        /// <summary>
        /// 顾客联系电话
        /// </summary>
        public string UserTel { get => userTel; set => userTel = value; }
        /// <summary>
        /// 顾客地址
        /// </summary>
        public string UserAddress { get => userAddress; set => userAddress = value; }
        /// <summary>
        /// 商品信息
        /// </summary>
        public List<GoodsModel> Goods { get => goods; set => goods = value; }
        /// <summary>
        /// 计算商品总价
        /// </summary>
        /// <param name="goods">商品集合</param>
        /// <returns></returns>
        private decimal Suninfull(List<GoodsModel> goods)
        {
            decimal sun = 0;
            if (goods.Count > 0 && goods != null)
            {
                foreach (GoodsModel item in goods)
                {
                    sun += item.Money;
                };
            };
            return sun;
        }
        /// <summary>
        /// 商品全额
        /// </summary>
        public decimal SumInFull { get => Suninfull(this.Goods); }
        /// <summary>
        /// 商品优惠金额
        /// </summary>
        public decimal Preferential { get => preferential; set => preferential = value; }
        /// <summary>
        /// 配送费
        /// </summary>
        public decimal Distribution { get => distribution; set => distribution = value; }
        /// <summary>
        /// 包装费
        /// </summary>
        public decimal Packaging { get => packaging; set => packaging = value; }
        /// <summary>
        /// 获取商品总件数
        /// </summary>
        /// <param name="goods">商品实体集合</param>
        /// <returns></returns>
        private int getGoodsNum(List<GoodsModel> goods)
        {
            int num = 0;
            foreach (GoodsModel item in goods)
            {
                num += item.Number;
            }
            return num;
        }
        /// <summary>
        /// 商品总件数
        /// </summary>
        public int GoodsNum { get => getGoodsNum(this.goods); }

        /// <summary>
        /// 实付金额[总金额-优惠金额+配送费+包装费]
        /// </summary>
        public decimal ActualMoney { get => (SumInFull - Preferential + Distribution + Packaging); }
        /// <summary>
        /// 门店电话
        /// </summary>
        public string StoreTel { get => storeTel; set => storeTel = value; }
        /// <summary>
        /// 投诉电话
        /// </summary>
        public string ComplaintsTel { get => complaintsTel; set => complaintsTel = value; }
        /// <summary>
        /// 温馨提示内容
        /// </summary>
        public string Prompt { get => prompt; set => prompt = value; }
        /// <summary>
        /// 微信二维码路径（相对路径）
        /// </summary>
        public string WxImg { get => wxImg; set => wxImg = value; }
        /// <summary>
        /// 二维码下部信息
        /// </summary>
        public string Message { get => message; set => message = value; }
        /// <summary>
        /// 客户备注
        /// </summary>
        public string UserNote { get => userNote; set => userNote = value; }
    }

打印小票的方法
M_Order_Info实体是订单相关信息。根据自己需求而定

 /// <summary>
        /// 打印小票方法
        /// </summary>
        /// <returns></returns>
        public string Print_Receipts(List<M_Order_Info> orderInfo)
        {
            #region 打印小票
            int magin = 0;
            string orderids = string.Empty;
            string html = "";
            html += " var LODOP;";
            html += " function tprint(){";
            html += " LODOP = getLodop();";
            html += "LODOP.PRINT_INIT('');";
            html += "LODOP.SET_PRINT_PAGESIZE('3', '58mm', '', '热敏');";


            D_Order_Info doi = new D_Order_Info();
            D_WX_StoreInfos StoreInfos = new D_WX_StoreInfos();
            foreach (M_Order_Info item in orderInfo)
            {

                if (item.isprint == 0&&item.deliveryStationNoIsv!="19176")
                {

                    Printmodel model = new Printmodel();
                    if(item.businessTag!=null&& item.businessTag.Contains("dj_prescription_order"))
                    {
                        model.Title = "含处方药";
                    }
                    else
                    {
                        model.Title = "";
                    }
                    model.Platform = GetEnumByValue(typeof(OrderSourceType), item.orderType.ToString()).ToString(); ;
                    model.Number = item.orderNum.ToString();
                    model.StoreName = item.deliveryStationName;
                    model.OrderCreateTime = item.orderStartTime.ToString();
                    model.DeliveryTime = item.orderPreEndDeliveryTime.ToString();
                    model.OrderId = item.orderId;
                    orderids += "'" + model.OrderId + "',";
                    model.UserName = item.buyerFullName;
                    model.UserTel = item.buyerMobile;
                    model.UserNote = GetRealRemark(item.orderBuyerRemark).Trim();
                    model.UserAddress = Regex.Replace(item.buyerFullAddress,@"[^a-zA-Z0-9\u4e00-\u9fa5\s]", "");
                    List<GoodsModel> goodslist = new List<GoodsModel>();
                    foreach (Order_Products item2 in doi.get_Products(item.orderId))
                    {

                        GoodsModel gmodel = new GoodsModel();
                        gmodel.GoodsName = item2.skuName;
                        gmodel.Number = item2.skuCount;
                        gmodel.Price = Convert.ToInt32(item2.skuStorePrice)/100M;
                        gmodel.SKU = item2.skuId.ToString();
                        gmodel.UPC = item2.upcCode.ToString();
                        goodslist.Add(gmodel);
                    }
                    model.Goods = goodslist;
                    model.Preferential = Convert.ToInt32(item.orderDiscountMoney)/100M;
                    model.Packaging = Convert.ToInt32(item.packagingMoney)/100M;
                    model.Distribution = Convert.ToInt32(item.orderFreightMoney)/100M;
                    model.StoreTel = StoreInfos.GetStoreInfoByStoreID(item.deliveryStationNoIsv).telephone;
                    model.ComplaintsTel = "4000239900";
                    model.Prompt = "此商品属于特殊商品，非质量问题概不退换";
                    model.WxImg ="\'+imgsrc+\'";
                    model.Message = "小票底部信息";

                    html += Print(model, ref magin);
                    magin += magin;



                }

            }
            html += " LODOP.PREVIEW();";
            //LODOP.PRINT();
            html += "}tprint();orderids=" + orderids.Substring(0, orderids.Length - 1)+";";
            return html;
            #endregion

        }

生成打印小票的前端代码

  /// <summary>
        /// 生成前端打印小票代码
        /// </summary>
        /// <param name="per"></param>
        /// <returns></returns>
        public  string Print(Printmodel per,ref int magin)
        {
            string html = "";
             int  topmagin = 5+ magin;
            //html += " var LODOP;";
            //html += " function tprint(){";
            //html += " LODOP = getLodop();";
            //html += "LODOP.PRINT_INIT('');";
            //html += "LODOP.SET_PRINT_PAGESIZE('3', '58mm', '', '热敏');";
            if (!string.IsNullOrWhiteSpace(per.Title))
            {
                html += "LODOP.ADD_PRINT_TEXT('" + topmagin + "mm', 0,183, 100, '※" + per.Title + "※');";
                html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 13);";
                html += "LODOP.SET_PRINT_STYLEA(0, 'Bold', 1);";
                html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 2); ";
            }
            else
            {
                topmagin=topmagin - 5;
            }
           
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 7) + "mm', 0, 183, 100, '" + per.Platform + "|#" + per.Number + "顾客联');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 11);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Bold', 1);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 2);";
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 6) + "mm', 0, 183, 100, '" + per.StoreName + "');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 2);";
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 6) + "mm', 5, 183, 100, '下单时间:" + per.OrderCreateTime + "');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '预计送达:" + per.DeliveryTime + "');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '订单编号:" + per.OrderId + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_BARCODE('" + (topmagin += 4) + "mm','5','25%', 90, '128Auto', '" + per.OrderId + "');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'AlignJustify', 2);";
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 34) + "mm', 0, 183, 100, '***顾客信息***');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 10);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 2);";
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '客户:" + per.UserName + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += " LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '联系电话:" + per.UserTel + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += " LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            if (!string.IsNullOrWhiteSpace(per.UserNote))
            {
                html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 8) + "mm', 5, 183, 100, '备注:" + per.UserNote + "');";
                html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
                html += "LODOP.SET_PRINT_STYLEA(0, 'Bold', 2);";
                html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";

            }
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 8) + "mm', 5, 183, 100, '地址:" + per.UserAddress + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 11) + "mm', 5, 183, 100, '* ');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '* ');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 8) + "mm', 5, 183, 100, '裁剪线:✂↘️ ');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_LINE('" + (topmagin += 11) + "mm', 0, '" + topmagin + "mm', 183, 1, 1);";
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '* ');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '* ');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 12) + "mm', 0, 183, 100, '***商品信息***');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 10);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 2);";
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '商品名称');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_TEXT('" + topmagin + "mm', '35%', 183, 100, '数量');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_TEXT('" + topmagin + "mm', '55%', 183, 100, '单价');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_TEXT('" + topmagin + "mm', '75%', 183, 100, '金额');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_LINE('" + (topmagin += 3) + "mm', 0, '" + topmagin + "mm', 183, 2, 1);";
            foreach (GoodsModel item in per.Goods)
            {
                html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 1) + "mm', 5, 183, 100,'" + item.GoodsName + "');";
                html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
                html += " LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";

                html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 8) + "mm', '35%', 183, 100, 'X" + item.Number + "');";
                html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
                html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
                html += "LODOP.ADD_PRINT_TEXT('" + topmagin + "mm', '55%', 183, 100, '" + item.Price + "');";
                html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
                html += " LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
                html += " LODOP.ADD_PRINT_TEXT('" + topmagin + "mm', '75%', 183, 100, '" + item.Money + "');";
                html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
                html += " LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";

                html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, 'SKU码:" + item.SKU + "');";
                html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
                html += " LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
                html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, 'UCP码:" + item.UPC + "');";
                html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
                html += "  LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
                topmagin += 4;
            }
            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 0, 183, 100, '***结算信息***');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 10);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 2);";

            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 0, 183, 100, '商品金额:￥" + per.SumInFull + " 商品优惠:￥" + per.Preferential + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 7.5);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Bold', 3);";
            html += " LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += "LODOP.ADD_PRINT_TEXT('"+ (topmagin += 4) + "mm', 0, 183, 100, '配送金额:￥" + per.Distribution + " 包装费:￥" + per.Packaging + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 7.5);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Bold', 3);";
            html += " LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";

            html += " LODOP.ADD_PRINT_LINE('" + (topmagin += 5) + "mm', 0, '" + topmagin + "mm', 183, 2, 1);";

            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 1) + "mm', 0, 183, 100, '总件数：" + per.GoodsNum + "');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 12);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Bold', 1);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";

            html += "LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 0, 183, 100, '实付：" + per.ActualMoney + "');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'FontSize', 12);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Bold', 1);";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";

            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 6) + "mm', 5, 183, 100, '门店电话:" + per.StoreTel + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "  LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '投诉电话:" + per.ComplaintsTel + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "  LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";

            if (!string.IsNullOrWhiteSpace(per.Prompt))
            {
                html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 4) + "mm', 5, 183, 100, '温馨提示:" + per.Prompt + "');";
                html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
                html += "  LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            }
            html += "LODOP.ADD_PRINT_IMAGE('" + (topmagin += 14) + "mm', 0, 183, '60mm', '<img src=" + per.WxImg + " />');";
            html += "LODOP.SET_PRINT_STYLEA(0, 'Stretch', 2);";
            html += " LODOP.ADD_PRINT_TEXT('" + (topmagin += 70) + "mm', 5, 183, 100, '" + per.Message + "');";
            html += " LODOP.SET_PRINT_STYLEA(0, 'FontSize', 8);";
            html += "  LODOP.SET_PRINT_STYLEA(0, 'Alignment', 1);";
            LODOP.PRINT();
            //html += "}";
            //html += " tprint()";
            magin=topmagin;
            return html;
        }

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