SGGL_SHJ/SGGL/FineUIPro.Web/HJGL/TestPackage/TestPackageDatePrint.aspx.cs

using BLL;
using System;
using System.Collections.Generic;
using System.IO;
using System.Linq;

namespace FineUIPro.Web.HJGL.TestPackage
{
    public partial class TestPackageDatePrint : PageBase
    {
        /// <summary>
        /// 试压包主键
        /// </summary>
        public string PTP_ID
        {
            get
            {
                return (string)ViewState["PTP_ID"];
            }
            set
            {
                ViewState["PTP_ID"] = value;
            }
        }
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                PTP_ID = Request.Params["PTP_ID"];
                if (!string.IsNullOrEmpty(PTP_ID))
                {
                    BindGrid();
                }
            }

        }
        private void BindGrid()
        {
            var list = BLL.TestPackagePrintService.GetListByPTP_ID(PTP_ID);
            //根据 BLL.TestPackagePrintService.TypeIntMap 和 list 进行左连接，确保所有类型都显示，获取对应的 PrintCount，没有的类型 PrintCount 为 0
            var result = from type in BLL.TestPackagePrintService.TypeIntMap
                         join item in list on type.Key equals item.TypeInt into gj
                         from subitem in gj.DefaultIfEmpty()
                         select new
                         {
                             TypeInt = type.Key,
                             TypeName = type.Value,
                             PrintCount = subitem != null ? subitem.PrintCount : 0
                         };
            Grid1.DataSource = result;
            Grid1.DataBind();

        }
        protected void btnPrint_Click(object sender, EventArgs e)
        {
            Model.PTP_TestPackage updateTestPackage = Funs.DB.PTP_TestPackage.FirstOrDefault(x => x.PTP_ID == PTP_ID);
            List<Model.FastReportItem> FastReportItemList = new List<Model.FastReportItem>();
            foreach (var item in Grid1.SelectedRowIDArray)
            {
                var fastReportItem = BLL.TestPackagePrintService.GetFastReportItem(updateTestPackage, item, PTP_ID, this.CurrUser.LoginProjectId);
                FastReportItemList.Add(fastReportItem);
                TestPackagePrintService.AddPrintCountByTypeInt(PTP_ID, int.Parse(item)); //增加打印次数
            }

            // 在文件名中加入时间戳，例如：PTP_ID_2025-09-17-14-30-00.pdf
            string timeStamp = DateTime.Now.ToString("yyyy-MM-dd-HH-mm-ss");
            string fileName = $"{PTP_ID}_{timeStamp}.pdf";
            string filePath = System.IO.Path.Combine(Funs.RootPath, "FileUpload", fileName);
            BLL.FastReportService.ExportMergeReport(FastReportItemList, filePath, "1");
            FileInfo info = new FileInfo(filePath);
            long fileSize = info.Length;
            System.Web.HttpContext.Current.Response.Clear();
            System.Web.HttpContext.Current.Response.ContentType = "application/x-zip-compressed";
            System.Web.HttpContext.Current.Response.AddHeader("Content-Disposition", "attachment;filename=" + System.Web.HttpUtility.UrlEncode("试压包资料子类.pdf", System.Text.Encoding.UTF8));
            System.Web.HttpContext.Current.Response.AddHeader("Content-Length", fileSize.ToString());
            System.Web.HttpContext.Current.Response.TransmitFile(filePath, 0, fileSize);
            System.Web.HttpContext.Current.Response.Flush();
            System.Web.HttpContext.Current.Response.Close();
        }
    }
}