Koogra.Excel2007處理xslx文件

http://www.cnblogs.com/eleven11/archive/2011/08/29/2158244.html

Excel2007Utils

using System;
using System.Collections.Generic;
using System.Text;
using System.Data;

using Net.SourceForge.Koogra.Excel2007;
using Net.SourceForge.Koogra;

namespace Test_Koogra.Excel2007
{
    public class Excel2007Utils
    {
        private Workbook book;

        public Excel2007Utils(string path)
        {
            this.book = new Workbook(path);
        }

        public Excel2007Utils(System.IO.Stream stream)
        {
            this.book = new Workbook(stream);
        }

        protected DataTable SaveAsDataTable(Worksheet sheet)
        {
            DataTable dt = new DataTable();

            uint minRow = sheet.CellMap.FirstRow;
            uint maxRow = sheet.CellMap.LastRow;

            Row firstRow = sheet.GetRow(minRow);

            uint minCol = sheet.CellMap.FirstCol;
            uint maxCol = sheet.CellMap.LastCol;

            for (uint i = minCol; i <= maxCol; i++)
            {
                dt.Columns.Add(firstRow.GetCell(i).GetFormattedValue());
            }

            for (uint i = minRow + 1; i <= maxRow; i++)
            {
                Row row = sheet.GetRow(i);

                if (row != null)
                {
                    DataRow dr = dt.NewRow();

                    for (uint j = minCol; j <= maxCol; j++)
                    {
                        ICell cell = row.GetCell(j);

                        if (cell != null)
                        {
                            dr[Convert.ToInt32(j)] = cell.Value != null ? cell.Value.ToString() : string.Empty;
                        }
                    }

                    dt.Rows.Add(dr);
                }

            }

            return dt;
        }

        public DataTable ToDataTable(int index)
        {
            Worksheet sheet = this.book.GetWorksheet(index);

            if (sheet == null)
            {
                throw new ApplicationException(string.Format("索引[{0}]所指定的電子表格不存在！", index));
            }

            return this.SaveAsDataTable(sheet);
        }

        public DataTable ToDataTable(string sheetName)
        {
            Worksheet sheet = this.book.GetWorksheetByName(sheetName);

            if (sheet == null)
            {
                throw new ApplicationException(string.Format("名稱[{0}]所指定的電子表格不存在！", sheetName));
            }

            return this.SaveAsDataTable(sheet);
        }

        #region 靜態方法

        /// <summary>
        /// 單元格格式為日期時間，使用此方法轉換為DateTime類型，若解析失敗則返回『0001-01-01』
        /// </summary>
        public static DateTime ParseDateTime(string cellValue)
        {
            DateTime date = default(DateTime);

            double value = default(double);

            if (double.TryParse(cellValue, out value))
            {
                date = DateTime.FromOADate(value);
            }
            else
            {
                DateTime.TryParse(cellValue, out date);
            }

            return date;
        }

        /// <summary>
        /// 轉換為DataTable(文件路徑+表名)
        /// </summary>
        public static DataTable TranslateToTable(string path, string sheetName)
        {
            Excel2007Utils utils = new Excel2007Utils(path);
            return utils.ToDataTable(sheetName);
        }

        /// <summary>
        /// 轉換為DataTable(文件路徑+表索引)
        /// </summary>
        public static DataTable TranslateToTable(string path, int sheetIndex)
        {
            Excel2007Utils utils = new Excel2007Utils(path);
            return utils.ToDataTable(sheetIndex);
        }

        /// <summary>
        /// 轉換為DataTable(文件路徑)
        /// </summary>
        public static DataTable TranslateToTable(string path)
        {
            Excel2007Utils utils = new Excel2007Utils(path);
            return utils.ToDataTable(0);
        }

        /// <summary>
        /// 轉換為DataTable(內存流+表名)
        /// </summary>
        public static DataTable TranslateToTable(System.IO.Stream stream, string sheetName)
        {
            Excel2007Utils utils = new Excel2007Utils(stream);
            return utils.ToDataTable(sheetName);
        }

        /// <summary>
        /// 轉換為DataTable(內存流+表索引)
        /// </summary>
        public static DataTable TranslateToTable(System.IO.Stream stream, int sheetIndex)
        {
            Excel2007Utils utils = new Excel2007Utils(stream);
            return utils.ToDataTable(sheetIndex);
        }

        /// <summary>
        /// 轉換為DataTable(內存流)
        /// </summary>
        public static DataTable TranslateToTable(System.IO.Stream stream)
        {
            Excel2007Utils utils = new Excel2007Utils(stream);
            return utils.ToDataTable(0);
        }

        #endregion
    }
}

復制代碼

測試

protected void btnImport_Click(object sender, EventArgs e)
        {
            if (fuFile.HasFile)
            {
                DataTable dt = null;

                try
                {
                    using (System.IO.MemoryStream stream = new System.IO.MemoryStream(fuFile.FileBytes))
                    {
                        string filename = fuFile.PostedFile.FileName; //獲取初始文件名
                        int i = filename.LastIndexOf("."); //取得文件名中最後一個"."的索引
                        string newext = filename.Substring(i); //獲取文件擴展名
                        if (newext != ".xsl" && newext != ".xlsx")
                        {
                            Response.Write("文件格式不正確!");
                            Response.End();
                        }
                        if (newext != ".xslx") dt = Excel2007Utils.TranslateToTable(stream, "sheet1");
                        else dt = ExcelUtils.TranslateToTable(stream, "sheet1");
                    }

                    this.ImportData(dt);
                }
                catch (Exception ex)
                {
                    lblMessage.Text = "<p><span style=\"color:Red;\">處理數據文件錯誤：</span></p>";
                    lblMessage.Text += "<div style=\"color:Red;\">" + Server.HtmlEncode(ex.Message) + "</div>";
                }
            }
            else
            {
                lblMessage.Text = "<p><span style=\"color:Red;\">請選擇數據文件！</span></p>"; //Response.Write("<script language=\"javascript\">alert('請選擇數據文件！')</script>"); 
            }
        }