using BLL;
using NPOI.OpenXmlFormats.Wordprocessing;
using NPOI.SS.UserModel;
using NPOI.SS.Util;
using NPOI.XSSF.UserModel;
using System;
using System.Collections.Generic;
using System.Data;
using System.Data.SqlClient;
using System.IO;
using System.Linq;
using System.Runtime.InteropServices;
using System.Web;
using System.Web.UI;

namespace FineUIPro.Web.ContinuousPrint
{
    public partial class TestOrderPrint : PageBase
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                this.drpIsPrint.DataTextField = "Text";
                this.drpIsPrint.DataValueField = "Value";
                this.drpIsPrint.DataSource = BLL.DropListService.IsTrueOrFalseDrpList();
                this.drpIsPrint.DataBind();
                Funs.FineUIPleaseSelect(this.drpIsPrint);

                BindGrid();
            }
        }

        #region 绑定Grid1
        /// <summary>
        /// 绑定Grid1
        /// </summary>
        public void BindGrid()
        {
            var project = BLL.Base_ProjectService.GetOnProjectListByUserId(this.CurrUser.UserId, "1");
            if (!string.IsNullOrEmpty(txtProjectCode.Text))
            {
                project = project.Where(e => e.ProjectCode.Contains(txtProjectCode.Text.Trim())).ToList();
            }
            Grid1.RecordCount = project.Count;
            var table = this.GetPagedDataTable(Grid1, project);
            Grid1.DataSource = table;
            Grid1.DataBind();
        }
        #endregion

        #region 绑定Grid2
        /// <summary>
        /// 绑定Grid2
        /// </summary>
        public void BindGrid1(string ProjectId)
        {
            var str = string.Empty;
            // 筛选关闭的批
            if (this.drpIsPrint.SelectedValue != "null")
            {
                if (Convert.ToBoolean(drpIsPrint.SelectedValue))
                {
                    str += " and isnull(a.CH_PrintDate,'')!=''";
                }
                else
                {
                    str += " and isnull(a.CH_PrintDate,'')=''";
                }

            }
            str += " ORDER BY a.CH_TrustDate DESC";

            string strSql = @"select a.CH_TrustID,a.CH_TrustCode,a.CH_TrustDate,a.CH_Printer,
                                     a.CH_PrintDate,b.ProjectCode,b.ProjectName,b.ShortName,b.StartDate,b.EndDate 
                               from HJGL_CH_Trust as a 
                               inner join Base_Project as b on a.ProjectId=b.ProjectId 
                               where 1=1 and a.ProjectId= @ProjectId" + str;
            List<SqlParameter> listStr = new List<SqlParameter>();
            listStr.Add(new SqlParameter("@ProjectId", ProjectId));
            SqlParameter[] parameter = listStr.ToArray();
            Grid2.DataSource = SQLHelper.GetDataTableRunText(strSql, parameter);
            Grid2.DataBind();
            Grid2.SelectAllRows();
        }
        #endregion

        #region 分页、排序
        /// <summary>
        /// 分页
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_PageIndexChange(object sender, GridPageEventArgs e)
        {
            Grid1.PageIndex = e.NewPageIndex;
            BindGrid();
        }

        /// <summary>
        /// 分页显示条数下拉框
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void ddlPageSize_SelectedIndexChanged(object sender, EventArgs e)
        {
            Grid1.PageSize = Convert.ToInt32(ddlPageSize.SelectedValue);
            BindGrid();
        }

        /// <summary>
        /// 排序
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_Sort(object sender, FineUIPro.GridSortEventArgs e)
        {
            Grid1.SortDirection = e.SortDirection;
            Grid1.SortField = e.SortField;
            BindGrid();
        }

        protected void Grid2_Sort(object sender, FineUIPro.GridSortEventArgs e)
        {
            BindGrid1(this.Grid1.SelectedRowID);
        }
        #endregion

        #region 选择加载
        /// <summary>
        /// 选择加载
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Grid1_RowClick(object sender, GridRowClickEventArgs e)
        {
            BindGrid1(this.Grid1.SelectedRowID);
        }
        #endregion

        #region 私有方法
        /// <summary>
        /// 得到热处理类型
        /// </summary>
        /// <returns></returns>
        protected string ConvertProessTypes(object ProessTypes)
        {
            string proessTypes = string.Empty;
            if (ProessTypes != null)
            {
                proessTypes = BLL.HJGL_PW_JointInfoService.ConvertProessTypes(ProessTypes.ToString());
            }

            return proessTypes;
        }
        #endregion

        #region 关闭弹出窗口
        /// <summary>
        /// 关闭窗口
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void Window1_Close(object sender, EventArgs e)
        {
            BindGrid();
        }

        #endregion

        #region 查询
        /// <summary>
        /// 查询
        /// </summary>
        protected void btnSubmit_Click(object sender, EventArgs e)
        {
            BindGrid();
        }

        /// <summary>
        /// 是否打印
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void drpIsPrint_SelectedIndexChanged(object sender, EventArgs e)
        {
            BindGrid1(this.Grid1.SelectedRowID);
        }

        #endregion

        #region 检测委托单打印
        /// <summary>
        /// 检测委托单打印
        /// </summary>
        protected void btnPrint_Click(object sender, EventArgs e)
        {
            if (Grid2.SelectedRowIndexArray.Length <= 0)
            {
                Alert.ShowInTop("最少选中一行！", MessageBoxIcon.Warning);
                return;
            }
            string rootPath = Server.MapPath("~/") + Const.ExcelUrl;
            //导出文件
            string filePath = rootPath + DateTime.Now.ToString("yyyyMMddhhmmss") + "\\";
            if (!Directory.Exists(filePath))
            {
                Directory.CreateDirectory(filePath);
            }
            string ReportFileName = filePath + "out1.xlsx";
            if (Grid2.Rows.Count > 0)
            {
                int rowIndex = 0;
                XSSFWorkbook hssfworkbook = new XSSFWorkbook();
                XSSFSheet ws = (XSSFSheet)hssfworkbook.CreateSheet("检测委托单");

                #region 列宽
                ws.SetColumnWidth(0, (4 * 256) + 126);//3.92
                ws.SetColumnWidth(1, 3 * 256);//2.42
                ws.SetColumnWidth(2, (3 * 256) + 75); //2.67
                ws.SetColumnWidth(3, 4 * 256); //3.42
                ws.SetColumnWidth(4, (7 * 256) + 200);//7.17
                ws.SetColumnWidth(5, (4 * 256) + 145);//4
                ws.SetColumnWidth(6, (5 * 256) + 15);//4.5
                ws.SetColumnWidth(7, (6 * 256) + 126);//5.92
                ws.SetColumnWidth(8, (8 * 256) + 145);//8
                ws.SetColumnWidth(9, (3 * 256) + 200);//3.17
                ws.SetColumnWidth(10, (2 * 256) + 75);//1.67
                ws.SetColumnWidth(11, 250);//0.63
                ws.SetColumnWidth(12, (7 * 256) + 126);//6.92
                ws.SetColumnWidth(13, (5 * 256) - 50);//4.25
                ws.SetColumnWidth(14, (6 * 256) + 15);//5.5
                ws.SetColumnWidth(15, (14 * 256) - 50);//13.25
                #endregion

                //图片地址
                byte[] bytes = File.ReadAllBytes(Server.MapPath("~/") + "Images\\PrintLog.png");
                int pictureIdx = hssfworkbook.AddPicture(bytes, PictureType.JPEG);

                for (int gi = 0; gi < Grid2.Rows.Count; gi++)
                {
                    if (Grid2.SelectedRowIndexArray.Contains(gi))
                    {
                        System.Web.UI.WebControls.HiddenField CH_TrustID = Grid2.Rows[gi].FindControl("hidCH_TrustID") as System.Web.UI.WebControls.HiddenField;
                        System.Web.UI.WebControls.HiddenField hidProjectName = Grid2.Rows[gi].FindControl("hidProjectName") as System.Web.UI.WebControls.HiddenField;
                        //修改数据
                        Model.HJGL_CH_Trust trust = HJGL_TrustManageEditService.GetCH_TrustByID(CH_TrustID.Value);
                        if (trust != null)
                        {
                            trust.CH_PrintDate = DateTime.Now.Date;
                            trust.CH_Printer = this.CurrUser.UserName;
                            HJGL_TrustManageEditService.PrintCH_Trust(trust);
                        }
                        //列表
                        var listStr = new List<SqlParameter>();
                        listStr.Add(new SqlParameter("@CH_TrustID", CH_TrustID.Value));
                        SqlParameter[] parameter = listStr.ToArray();
                        var tb = SQLHelper.GetDataTableRunProc("HJGL_sp_rpt_TrustItem", parameter);
                        //头部
                        var listTitleStr = new List<SqlParameter>();
                        listTitleStr.Add(new SqlParameter("@CH_TrustID", CH_TrustID.Value));
                        SqlParameter[] titleparameter = listTitleStr.ToArray();
                        var tbTitle = SQLHelper.GetDataTableRunProc("HJGL_sp_rpt_Trust", titleparameter);
                        if (tb.Rows.Count > 0 && tbTitle.Rows.Count > 0)
                        {
                            var allPageNum = Math.Ceiling((float)tb.Rows.Count / 20);
                            var titIsXu = 30;

                            for (int i = 1; i <= allPageNum; i++)
                            {
                                //公共样式
                                ICellStyle style = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, VerticalAlignment.Center, HorizontalAlignment.Center, 10, true);
                                //有边框文字居左
                                ICellStyle leftstyle = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, VerticalAlignment.Center, HorizontalAlignment.Left, 10, true);
                                //底部双底虚线
                                ICellStyle doubleLinestyle = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.Double, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, VerticalAlignment.Center, HorizontalAlignment.Center, 10, true);
                                //无边框文字靠左
                                ICellStyle leftNoneStyle = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.None, BorderStyle.None, BorderStyle.None, BorderStyle.None, VerticalAlignment.Center, HorizontalAlignment.Left, 10, true);
                                //无边框文字靠右
                                ICellStyle rightNoneStyle = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.None, BorderStyle.None, BorderStyle.None, BorderStyle.None, VerticalAlignment.Center, HorizontalAlignment.Right, 10, true);
                                //头部样式
                                ICellStyle titleStyle = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, BorderStyle.Thin, VerticalAlignment.Center, HorizontalAlignment.Center, 11, true, true, "黑体");
                                ws = ExcelCreateRow(ws, hssfworkbook, rowIndex, int.Parse((rowIndex + titIsXu).ToString()), style, 0, 15);

                                #region 头部
                                //行0
                                CellRangeAddress region = new CellRangeAddress(rowIndex, rowIndex, 0, 4);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex).GetCell(0).SetCellValue("文件版本：1");
                                ws.GetRow(rowIndex).GetCell(0).CellStyle = leftNoneStyle;

                                region = new CellRangeAddress(rowIndex, rowIndex, 14, 15);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex).GetCell(14).SetCellValue("保管期限：5年");
                                ws.GetRow(rowIndex).GetCell(14).CellStyle = rightNoneStyle;

                                //行1
                                region = new CellRangeAddress(rowIndex + 1, rowIndex + 3, 0, 3);
                                ws.AddMergedRegion(region);
                                IDrawing patriarch = ws.CreateDrawingPatriarch();
                                IClientAnchor anchor = patriarch.CreateAnchor(0, 0, 0, 0, 0, rowIndex + 1, 4, rowIndex + 4);
                                IPicture pict = patriarch.CreatePicture(anchor, pictureIdx);
                                //pict.Resize();

                                region = new CellRangeAddress(rowIndex + 1, rowIndex + 1, 4, 15);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 1).GetCell(4).SetCellValue("中国石油化工股份有限公司镇海炼化分公司管理体系");

                                //行2
                                region = new CellRangeAddress(rowIndex + 2, rowIndex + 2, 4, 15);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 2).GetCell(4).SetCellValue("项目管理部焊缝检测委托单");
                                ws.GetRow(rowIndex + 2).GetCell(4).CellStyle = titleStyle;

                                //行3
                                region = new CellRangeAddress(rowIndex + 3, rowIndex + 3, 4, 5);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 3).GetCell(4).SetCellValue("记录编号");

                                region = new CellRangeAddress(rowIndex + 3, rowIndex + 3, 6, 9);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 3).GetCell(6).SetCellValue("PMT-T10.326.06.040.2016");

                                region = new CellRangeAddress(rowIndex + 3, rowIndex + 3, 10, 12);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 3).GetCell(10).SetCellValue("使用单位");

                                region = new CellRangeAddress(rowIndex + 3, rowIndex + 3, 13, 15);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 3).GetCell(13).SetCellValue("镇海石化建安工程有限公司");

                                //行4
                                region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 0, 2);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 4).GetCell(0).SetCellValue("项目号");

                                region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 3, 5);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 4).GetCell(3).SetCellValue(tbTitle.Rows[0]["ProjectCode"].ToString());

                                region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 6, 7);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 4).GetCell(6).SetCellValue("项目名称");

                                region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 8, 12);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 4).GetCell(8).SetCellValue(tbTitle.Rows[0]["ProjectName"].ToString());
                                ws.GetRow(rowIndex + 4).GetCell(8).CellStyle = leftstyle;

                                region = new CellRangeAddress(rowIndex + 4, rowIndex + 4, 13, 14);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 4).GetCell(13).SetCellValue("委托单编号");
                                ws.GetRow(rowIndex + 4).GetCell(15).SetCellValue(tbTitle.Rows[0]["CH_TrustCode"].ToString());

                                //行5
                                region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 0, 2);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 5).GetCell(0).SetCellValue("区域号");

                                region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 3, 5);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 5).GetCell(3).SetCellValue(tbTitle.Rows[0]["WorkAreaCode"].ToString());

                                region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 6, 7);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 5).GetCell(6).SetCellValue("分项工程");

                                region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 8, 12);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 5).GetCell(8).SetCellValue("");

                                region = new CellRangeAddress(rowIndex + 5, rowIndex + 5, 13, 14);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 5).GetCell(13).SetCellValue("检测时机");
                                ws.GetRow(rowIndex + 5).GetCell(15).SetCellValue("焊后");

                                //行6
                                region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 0, 2);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 6).GetCell(0).SetCellValue("检件编号");

                                region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 3, 5);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 6).GetCell(3).SetCellValue("见下");

                                region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 6, 7);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 6).GetCell(6).SetCellValue("检件名称");

                                region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 8, 12);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 6).GetCell(8).SetCellValue("管道焊接");

                                region = new CellRangeAddress(rowIndex + 6, rowIndex + 6, 13, 14);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 6).GetCell(13).SetCellValue("热处理状态");
                                ws.GetRow(rowIndex + 6).GetCell(15).SetCellValue(tbTitle.Rows[0]["IsHot"].ToString());

                                //行7
                                region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 0, 2);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 7).GetCell(0).SetCellValue("检测方法");

                                region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 3, 5);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 7).GetCell(3).SetCellValue(tbTitle.Rows[0]["NDT_Code"].ToString());

                                region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 6, 7);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 7).GetCell(6).SetCellValue("焊接方法");

                                region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 8, 12);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 7).GetCell(8).SetCellValue(tbTitle.Rows[0]["WME_Code"].ToString());

                                region = new CellRangeAddress(rowIndex + 7, rowIndex + 7, 13, 14);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 7).GetCell(13).SetCellValue("坡口形式");
                                ws.GetRow(rowIndex + 7).GetCell(15).SetCellValue(tbTitle.Rows[0]["JST_Name"].ToString());

                                //行8
                                region = new CellRangeAddress(rowIndex + 8, rowIndex + 8, 0, 2);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 8).GetCell(0).SetCellValue("检测比例");

                                region = new CellRangeAddress(rowIndex + 8, rowIndex + 8, 3, 5);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 8).GetCell(3).SetCellValue(tbTitle.Rows[0]["NDTR_Name"].ToString());

                                region = new CellRangeAddress(rowIndex + 8, rowIndex + 8, 6, 7);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 8).GetCell(6).SetCellValue("检测标准");

                                region = new CellRangeAddress(rowIndex + 8, rowIndex + 8, 8, 12);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 8).GetCell(8).SetCellValue(tbTitle.Rows[0]["CH_NDTCriteria"].ToString());

                                region = new CellRangeAddress(rowIndex + 8, rowIndex + 8, 13, 14);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 8).GetCell(13).SetCellValue("合格级别");
                                ws.GetRow(rowIndex + 8).GetCell(15).SetCellValue(tbTitle.Rows[0]["AcceptGrade"].ToString());

                                //行9
                                region = new CellRangeAddress(rowIndex + 9, rowIndex + 9, 0, 1);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 9).GetCell(0).SetCellValue("委托人");
                                ws.GetRow(rowIndex + 9).GetCell(0).CellStyle = ws.GetRow(rowIndex + 9).GetCell(1).CellStyle = doubleLinestyle;

                                region = new CellRangeAddress(rowIndex + 9, rowIndex + 9, 2, 4);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 9).GetCell(2).SetCellValue(tbTitle.Rows[0]["TrustManName"].ToString());
                                ws.GetRow(rowIndex + 9).GetCell(2).CellStyle = ws.GetRow(rowIndex + 9).GetCell(3).CellStyle = ws.GetRow(rowIndex + 9).GetCell(4).CellStyle = doubleLinestyle;

                                region = new CellRangeAddress(rowIndex + 9, rowIndex + 9, 5, 6);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 9).GetCell(5).SetCellValue("审核人");
                                ws.GetRow(rowIndex + 9).GetCell(5).CellStyle = ws.GetRow(rowIndex + 9).GetCell(6).CellStyle = doubleLinestyle;

                                region = new CellRangeAddress(rowIndex + 9, rowIndex + 9, 7, 8);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 9).GetCell(7).SetCellValue(tbTitle.Rows[0]["AuditManName"].ToString());
                                ws.GetRow(rowIndex + 9).GetCell(7).CellStyle = ws.GetRow(rowIndex + 9).GetCell(8).CellStyle = doubleLinestyle;

                                region = new CellRangeAddress(rowIndex + 9, rowIndex + 9, 9, 11);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 9).GetCell(9).SetCellValue("接收人");
                                ws.GetRow(rowIndex + 9).GetCell(9).CellStyle = ws.GetRow(rowIndex + 9).GetCell(10).CellStyle = ws.GetRow(rowIndex + 9).GetCell(11).CellStyle = doubleLinestyle;

                                region = new CellRangeAddress(rowIndex + 9, rowIndex + 9, 12, 13);
                                ws.AddMergedRegion(region);
                                ws.GetRow(rowIndex + 9).GetCell(12).SetCellValue("");
                                ws.GetRow(rowIndex + 9).GetCell(14).SetCellValue("日期");
                                ws.GetRow(rowIndex + 9).GetCell(15).SetCellValue(tbTitle.Rows[0]["CH_TrustDate"].ToString());
                                ws.GetRow(rowIndex + 9).GetCell(12).CellStyle = ws.GetRow(rowIndex + 9).GetCell(13).CellStyle = ws.GetRow(rowIndex + 9).GetCell(14).CellStyle = ws.GetRow(rowIndex + 9).GetCell(15).CellStyle = doubleLinestyle;

                                #endregion

                                #region 表格
                                var dataTit = rowIndex + 10;
                                //合并单元格
                                for (int hb = dataTit; hb <= rowIndex + titIsXu; hb++)
                                {
                                    region = new CellRangeAddress(hb, hb, 1, 3);
                                    ws.AddMergedRegion(region);
                                    region = new CellRangeAddress(hb, hb, 4, 5);
                                    ws.AddMergedRegion(region);
                                    region = new CellRangeAddress(hb, hb, 6, 7);
                                    ws.AddMergedRegion(region);
                                    region = new CellRangeAddress(hb, hb, 8, 9);
                                    ws.AddMergedRegion(region);
                                    region = new CellRangeAddress(hb, hb, 10, 12);
                                    ws.AddMergedRegion(region);
                                    region = new CellRangeAddress(hb, hb, 13, 14);
                                    ws.AddMergedRegion(region);
                                }

                                //每页数据开始和结束条数
                                var dStart = i == 1 ? 0 : (i - 1) * 20;
                                var dEnd = i * 20;

                                //获取当前页数据
                                var pageTb = GetPageToTable(tb, dStart, dEnd);


                                //列头
                                ws.GetRow(dataTit).GetCell(0).SetCellValue("序号");
                                ws.GetRow(dataTit).GetCell(1).SetCellValue("检测批号");
                                ws.GetRow(dataTit).GetCell(4).SetCellValue("检件编号");
                                ws.GetRow(dataTit).GetCell(6).SetCellValue("焊缝编号");
                                ws.GetRow(dataTit).GetCell(8).SetCellValue("焊工号");
                                ws.GetRow(dataTit).GetCell(10).SetCellValue("焊缝规格");
                                ws.GetRow(dataTit).GetCell(13).SetCellValue("材质");
                                ws.GetRow(dataTit).GetCell(15).SetCellValue("备注");

                                //数据
                                for (int j = 0; j < pageTb.Rows.Count; j++)
                                {
                                    int dataIndex = dataTit + j + 1;
                                    ws.GetRow(dataIndex).GetCell(0).SetCellValue(pageTb.Rows[j]["Number"].ToString());
                                    ws.GetRow(dataIndex).GetCell(1).SetCellValue(pageTb.Rows[j]["BatchCode"].ToString());
                                    ws.GetRow(dataIndex).GetCell(4).SetCellValue(pageTb.Rows[j]["ISO_IsoNo"].ToString());
                                    ws.GetRow(dataIndex).GetCell(6).SetCellValue(pageTb.Rows[j]["JOT_JointNo"].ToString());
                                    ws.GetRow(dataIndex).GetCell(8).SetCellValue(pageTb.Rows[j]["WED_Code"].ToString());
                                    ws.GetRow(dataIndex).GetCell(10).SetCellValue(pageTb.Rows[j]["JOT_JointDesc"].ToString());
                                    ws.GetRow(dataIndex).GetCell(13).SetCellValue(pageTb.Rows[j]["STE_Code"].ToString());
                                    ws.GetRow(dataIndex).GetCell(15).SetCellValue(pageTb.Rows[j]["CH_Remark"].ToString());
                                }
                                
                                #endregion

                                #region 尾部

                                //尾部样式
                                ICellStyle noneStyle = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.None, BorderStyle.None, BorderStyle.None, BorderStyle.None, VerticalAlignment.Center, HorizontalAlignment.Center, 10);
                                //创建尾部行
                                var tEnd = int.Parse((rowIndex + titIsXu + 1).ToString());
                                ws.CreateRow(tEnd);
                                ws.CreateRow(tEnd).HeightInPoints = 21f;
                                //创建尾部列
                                for (int eIndex = 0; eIndex <= 15; eIndex++)
                                {
                                    ws.GetRow(tEnd).CreateCell(eIndex);
                                    ws.GetRow(tEnd).GetCell(eIndex).CellStyle = noneStyle;
                                }
                                region = new CellRangeAddress(tEnd, tEnd, 14, 15);
                                ws.AddMergedRegion(region);
                                ws.GetRow(tEnd).GetCell(14).SetCellValue(string.Format("第 {0} 页 共 {1} 页", i, allPageNum));

                                #endregion

                                rowIndex += int.Parse((titIsXu + 2).ToString());
                            }
                        }
                    }
                }

                ws.SetMargin(MarginType.LeftMargin, 0.7);
                ws.SetMargin(MarginType.RightMargin, 0.5);
                //ws.SetMargin(MarginType.BottomMargin, 1);
                //ws.SetMargin(MarginType.TopMargin, 1);
                //ws.SetMargin(MarginType.FooterMargin, 0.5);
                //ws.SetMargin(MarginType.HeaderMargin, 0.5);

                ws.PrintSetup.Landscape = false;
                ws.PrintSetup.PaperSize = 9;

                ws.ForceFormulaRecalculation = true;
                using (FileStream filess = File.OpenWrite(ReportFileName))
                {
                    hssfworkbook.Write(filess);
                }
                FileInfo filet = new FileInfo(ReportFileName);
                Response.Clear();
                Response.Charset = "GB2312";
                Response.ContentEncoding = System.Text.Encoding.UTF8;
                // 添加头信息，为"文件下载/另存为"对话框指定默认文件名
                Response.AddHeader("Content-Disposition", "attachment; filename=" + Server.UrlEncode("检测委托单.xlsx"));
                // 添加头信息，指定文件大小，让浏览器能够显示下载进度
                Response.AddHeader("Content-Length", filet.Length.ToString());
                // 指定返回的是一个不能被客户端读取的流，必须被下载
                Response.ContentType = "application/ms-excel";
                // 把文件流发送到客户端
                Response.WriteFile(filet.FullName);
                // 停止页面的执行
                Response.End();
            }
        }
        #endregion

        #region 私有方法

        /// <summary>
        /// 行和列
        /// </summary>
        /// <returns></returns>
        private XSSFSheet ExcelCreateRow(XSSFSheet ws, XSSFWorkbook hssfworkbook, int sRows, int eRows, ICellStyle style, int cStart, int cEnd, int ptype = 1)
        {
            var noneStyle = CommonPrint.SetExcelStyle(hssfworkbook, BorderStyle.None, BorderStyle.None, BorderStyle.None, BorderStyle.None, VerticalAlignment.Center, HorizontalAlignment.Center, 7, true);
            for (int i = sRows; i <= eRows; i++)
            {
                ws.CreateRow(i);
                ws.GetRow(i).HeightInPoints =
                    i == sRows ? 19.5f :
                    i == (sRows + 1) ? 20.3f :
                    i == (sRows + 2) ? 31.5f :
                    i == (sRows + 3) ? 21.8f :
                    i == (sRows + 5) ? 21f :
                    i == (sRows + 6) ? 21.8f :
                    i == (sRows + 7) ? 21.8f :
                    i == (sRows + 8) ? 21.8f :
                    i == (sRows + 9) ? 21.8f :
                    i == (sRows + 10) ? 25.5f :
                    22.5f;
                for (int j = cStart; j <= cEnd; j++)
                {
                    ws.GetRow(i).CreateCell(j);
                    ws.GetRow(i).GetCell(j).CellStyle = i == sRows ? noneStyle : style;
                }
            }
            return ws;
        }

        /// <summary>
        /// 查询指定条数分页
        /// </summary>
        /// <returns></returns>
        public static DataTable GetPageToTable(DataTable dt, int StartNum, int EndNum)
        {
            //0页代表每页数据，直接返回
            if (EndNum == 0) return dt;
            //数据源为空返回空DataTable
            if (dt == null) return new DataTable();

            DataTable newdt = dt.Copy();
            newdt.Clear();//copy dt的框架

            if (StartNum >= dt.Rows.Count)
                return newdt;//源数据记录数小于等于要显示的记录，直接返回dt

            if (EndNum > dt.Rows.Count)
                EndNum = dt.Rows.Count;
            for (int i = StartNum; i <= EndNum - 1; i++)
            {
                DataRow newdr = newdt.NewRow();
                DataRow dr = dt.Rows[i];
                foreach (DataColumn column in dt.Columns)
                {
                    newdr[column.ColumnName] = dr[column.ColumnName];
                }
                newdt.Rows.Add(newdr);
            }
            return newdt;
        }

        #endregion
    }
}