使用aspose.cell动态导出多表头 EXCEL

效果图：

前台调用：

using System;
using System.Collections.Generic;
using System.Linq;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Data;
using ExportCells;

namespace WebApplication1
{
    public partial class _Default : System.Web.UI.Page
    {
        protected void Page_Load(object sender, EventArgs e)
        {
            /***********************参数赋值***********************/

            //设置列
            List<ExportCells.AsposeHelper.JqxTableColumns> columns = new List<ExportCells.AsposeHelper.JqxTableColumns>();
            columns.Add(new ExportCells.AsposeHelper.JqxTableColumns() { text = "id" });
            columns.Add(new ExportCells.AsposeHelper.JqxTableColumns() { text = "name", columngroup = "namesex" });
            columns.Add(new ExportCells.AsposeHelper.JqxTableColumns() { text = "sex", columngroup = "namesex" });
            columns.Add(new ExportCells.AsposeHelper.JqxTableColumns() { text = "id2" });
            columns.Add(new ExportCells.AsposeHelper.JqxTableColumns() { text = "cat", columngroup = "Animal" });
            columns.Add(new ExportCells.AsposeHelper.JqxTableColumns() { text = "dog", columngroup = "Animal" });
            columns.Add(new ExportCells.AsposeHelper.JqxTableColumns() { text = "rabbit", columngroup = "Animal" });
            columns.Add(new ExportCells.AsposeHelper.JqxTableColumns() { text = "id3" });

            //设置分组
            List<ExportCells.AsposeHelper.JqxTableColumnsGroup> group = new List<ExportCells.AsposeHelper.JqxTableColumnsGroup>();
            group.Add(new ExportCells.AsposeHelper.JqxTableColumnsGroup() { name = "Animal", text = "动物" });
            group.Add(new ExportCells.AsposeHelper.JqxTableColumnsGroup() { name = "namesex", text = "名字性别" });

            //设置数据
            DataTable dt = new DataTable();
            dt.Columns.Add("id");
            dt.Columns.Add("name");
            dt.Columns.Add("sex");
            dt.Columns.Add("id2");
            dt.Columns.Add("cat");
            dt.Columns.Add("dog");
            dt.Columns.Add("rabbit");
            dt.Columns.Add("id3");
            var dr = dt.NewRow();
            dr[0] = 0;
            dr[1] = 1;
            dr[2] = 2;
            dr[3] = 3;
            dr[4] = 4;
            dr[5] = 5;
            dr[6] = 6;
            dr[7] = 7;
            dt.Rows.Add(dr);
            var dr2 = dt.NewRow();
            dr2[0] = 10;
            dr2[1] = 11;
            dr2[2] = 12;
            dr2[3] = 13;
            dr2[4] = 14;
            dr2[5] = 15;
            dr2[6] = 16;
            dr2[7] = 17;
            dt.Rows.Add(dr2);

            AsposeHelper.SaveColumnsHierarchy("1.xls", columns, group, dt);
        }
    }
}

　　

ASPOSE封装类

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using Aspose.Cells;
using System.Data;
using System.Drawing;
using System.Web;

namespace ExportCells
{
    /// <summary>
    /// ** 描述：Aspose
    /// ** 创始时间：2015-9-10
    /// ** 修改时间：-
    /// ** 修改人：sunkaixuan
    /// ** 使用说明：
    /// </summary>
    public class AsposeHelper
    {
        /// <summary>
        /// 导出EXCEL并且动态生成多级表头
        /// </summary>
        /// <param name="columns">列</param>
        /// <param name="group">分组</param>
        /// <param name="dt">dataTable</param>
        /// <param name="path">保存路径</param>
        public static void SaveColumnsHierarchy(List<JqxTableColumns> columns, List<JqxTableColumnsGroup> group, DataTable dt, string path)
        {

            Workbook workbook = new Workbook(); //工作簿 
            Worksheet sheet = workbook.Worksheets[0]; //工作表 
            Cells cells = sheet.Cells;//单元格
            for (int i = 0; i <= dt.Rows.Count + 1; i++)
            {
                sheet.Cells.SetRowHeight(i, 30);
            }
            List<AsposeCellInfo> acList = new List<AsposeCellInfo>();
            List<string> acColumngroupHistoryList = new List<string>();
            int currentX = 0;
            foreach (var it in columns)
            {
                AsposeCellInfo ac = new AsposeCellInfo();
                ac.y = 0;
                if (it.columngroup == null)
                {
                    ac.text = it.text;
                    ac.x = currentX;
                    ac.xCount = 1;
                    acList.Add(ac);
                    currentX++;
                    ac.yCount = 2;
                }
                else if (!acColumngroupHistoryList.Contains(it.columngroup))//防止重复
                {
                    var sameCount = columns.Where(itit => itit.columngroup == it.columngroup).Count();
                    ac.text = group.First(itit => itit.name == it.columngroup).text;
                    ac.x = currentX;
                    ac.xCount = sameCount;
                    acList.Add(ac);
                    currentX = currentX + sameCount;
                    acColumngroupHistoryList.Add(it.columngroup);
                    ac.yCount = 1;
                    ac.groupName = it.columngroup;
                }
                else
                {
                    //暂无逻辑
                }
            }
            //表头
            foreach (var it in acList)
            {
                cells.Merge(it.y, it.x, it.yCount, it.xCount);//合并单元格 
                cells[it.y, it.x].PutValue(it.text);//填写内容 
                cells[it.y, it.x].SetStyle(_thStyle);
                if (!string.IsNullOrEmpty(it.groupName))
                {
                    var cols = columns.Where(itit => itit.columngroup == it.groupName).ToList();
                    foreach (var itit in cols)
                    {
                        var colsIndex = cols.IndexOf(itit);
                        cells[it.y + 1, it.x + colsIndex].PutValue(itit.text);//填写内容 
                        cells[it.y + 1, it.x + colsIndex].SetStyle(_thStyle);
                    }
                }
            }
            //表格
            if (dt != null && dt.Rows.Count > 0)
            {
                var rowList = dt.AsEnumerable().ToList();
                foreach (var it in rowList)
                {
                    int dtIndex = rowList.IndexOf(it);
                    var dtColumns = dt.Columns.Cast<DataColumn>().ToList();
                    foreach (var itit in dtColumns)
                    {
                        var dtColumnsIndex = dtColumns.IndexOf(itit);
                        cells[2 + dtIndex, dtColumnsIndex].PutValue(it[dtColumnsIndex]);
                        cells[2 + dtIndex, dtColumnsIndex].SetStyle(_tdStyle);

                    }
                }
            }
            workbook.Save(path);
        }

        /// <summary>
        /// 导出EXCEL并且动态生成多级表头
        /// </summary>
        /// <param name="columns">列</param>
        /// <param name="group">分组</param>
        /// <param name="dt">dataTable</param>
        /// <param name="path">保存路径</param>
        public static void SaveColumnsHierarchy(string fileName,List<JqxTableColumns> columns, List<JqxTableColumnsGroup> group, DataTable dt)
        {

            Workbook workbook = new Workbook(); //工作簿 
            Worksheet sheet = workbook.Worksheets[0]; //工作表 
            Cells cells = sheet.Cells;//单元格
            for (int i = 0; i <= dt.Rows.Count + 1; i++)
            {
                sheet.Cells.SetRowHeight(i, 30);
            }
            List<AsposeCellInfo> acList = new List<AsposeCellInfo>();
            List<string> acColumngroupHistoryList = new List<string>();
            int currentX = 0;
            foreach (var it in columns)
            {
                AsposeCellInfo ac = new AsposeCellInfo();
                ac.y = 0;
                if (it.columngroup == null)
                {
                    ac.text = it.text;
                    ac.x = currentX;
                    ac.xCount = 1;
                    acList.Add(ac);
                    currentX++;
                    ac.yCount = 2;
                }
                else if (!acColumngroupHistoryList.Contains(it.columngroup))//防止重复
                {
                    var sameCount = columns.Where(itit => itit.columngroup == it.columngroup).Count();
                    ac.text = group.First(itit => itit.name == it.columngroup).text;
                    ac.x = currentX;
                    ac.xCount = sameCount;
                    acList.Add(ac);
                    currentX = currentX + sameCount;
                    acColumngroupHistoryList.Add(it.columngroup);
                    ac.yCount = 1;
                    ac.groupName = it.columngroup;
                }
                else
                {
                    //暂无逻辑
                }
            }
            //表头
            foreach (var it in acList)
            {
                cells.Merge(it.y, it.x, it.yCount, it.xCount);//合并单元格 
                cells[it.y, it.x].PutValue(it.text);//填写内容 
                cells[it.y, it.x].SetStyle(_thStyle);
                if (!string.IsNullOrEmpty(it.groupName))
                {
                    var cols = columns.Where(itit => itit.columngroup == it.groupName).ToList();
                    foreach (var itit in cols)
                    {
                        var colsIndex = cols.IndexOf(itit);
                        cells[it.y + 1, it.x + colsIndex].PutValue(itit.text);//填写内容 
                        cells[it.y + 1, it.x + colsIndex].SetStyle(_thStyle);
                    }
                }
            }
            //表格
            if (dt != null && dt.Rows.Count > 0)
            {
                var rowList = dt.AsEnumerable().ToList();
                foreach (var it in rowList)
                {
                    int dtIndex = rowList.IndexOf(it);
                    var dtColumns = dt.Columns.Cast<DataColumn>().ToList();
                    foreach (var itit in dtColumns)
                    {
                        var dtColumnsIndex = dtColumns.IndexOf(itit);
                        cells[2 + dtIndex, dtColumnsIndex].PutValue(it[dtColumnsIndex]);
                        cells[2 + dtIndex, dtColumnsIndex].SetStyle(_tdStyle);

                    }
                }
            }
            var response = HttpContext.Current.Response;
            response.Clear();
            response.Buffer = true;
            response.Charset = "utf-8";
            response.AppendHeader("Content-Disposition", "attachment;filename=" + fileName);
            response.ContentEncoding = System.Text.Encoding.UTF8;
            response.ContentType = "application/ms-excel";
            response.BinaryWrite(workbook.SaveToStream().ToArray());
            response.End();
        }

        private static Style _thStyle
        {
            get
            {
                Style s = new Style();
                s.Font.IsBold = true;
                s.Font.Name = "宋体";
                s.Font.Color = Color.Black;
                s.HorizontalAlignment = TextAlignmentType.Center;  //标题居中对齐
                return s;
            }
        }

        private static Style _tdStyle
        {
            get
            {
                Style s = new Style();
                return s;
            }
        }

        public class JqxTableColumns
        {
            public string field { get; set; }
            public string cellsAlign { get; set; }
            public string align { get; set; }
            public string text { get; set; }
            public string columngroup { get; set; }
        }

        public class JqxTableColumnsGroup
        {
            public string text { get; set; }
            public string align { get; set; }
            public string name { get; set; }
        }

        public class AsposeCellInfo
        {
            public string text { get; set; }
            public int x { get; set; }
            public int xCount { get; set; }
            public int y { get; set; }
            public int yCount { get; set; }
            public string groupName { get; set; }
        }
    }
}