添加项目文件。

common/Tnb.Common/Security/ExcelImportHelper.cs

@@ -0,0 +1,161 @@
+using JNPF.DependencyInjection;
+using NPOI.HSSF.UserModel;
+using NPOI.SS.UserModel;
+using NPOI.XSSF.UserModel;
+using System.Data;
+
+namespace JNPF.Common.Helper
+{
+    /// <summary>
+    /// Excel导入操作类
+    /// 版 本：V3.2.0
+    /// 版 权：拓通智联科技有限公司（http://www.tuotong-tech.com）
+        /// 日 期：2017.03.12.
+    /// </summary>
+    [SuppressSniffer]
+    public class ExcelImportHelper
+    {
+        /// <summary>
+        /// 从Excel中获取数据到DataTable.
+        /// </summary>
+        /// <param name="filePath">Excel文件全路径(服务器路径).</param>
+        /// <param name="SheetIndex">要获取数据的工作表序号(从0开始).</param>
+        /// <param name="HeaderRowIndex">工作表标题行所在行号(从0开始).</param>
+        /// <returns></returns>
+        public static DataTable ToDataTable(string filePath, int SheetIndex = 0, int HeaderRowIndex = 0)
+        {
+            using (FileStream file = new FileStream(filePath, FileMode.Open, FileAccess.Read))
+            {
+                IWorkbook workbook = null;
+
+                // 2003
+                if (filePath.IndexOf(".xlsx") == -1)
+                    workbook = new HSSFWorkbook(file);
+                else
+                    workbook = new XSSFWorkbook(file);
+                string SheetName = workbook.GetSheetName(SheetIndex);
+                return ToDataTable(workbook, SheetName, HeaderRowIndex);
+            }
+        }
+
+        /// <summary>
+        /// 从Excel中获取数据到DataTable.
+        /// </summary>
+        /// <param name="filePath">Excel文件全路径(服务器路径).</param>
+        /// <param name="SheetIndex">要获取数据的工作表序号(从0开始).</param>
+        /// <param name="HeaderRowIndex">工作表标题行所在行号(从0开始).</param>
+        /// <returns></returns>
+        public static DataTable ToDataTable(string filePath, Stream sr, int SheetIndex = 0, int HeaderRowIndex = 0)
+        {
+            IWorkbook workbook = null;
+            if (filePath.IndexOf(".xlsx") == -1)//2003
+            {
+                workbook = new HSSFWorkbook(sr);
+            }
+            else
+            {
+                workbook = new XSSFWorkbook(sr);
+            }
+            string SheetName = workbook.GetSheetName(SheetIndex);
+            return ToDataTable(workbook, SheetName, HeaderRowIndex);
+        }
+
+        /// <summary>
+        /// 从Excel中获取数据到DataTable.
+        /// </summary>
+        /// <param name="workbook">要处理的工作薄.</param>
+        /// <param name="SheetName">要获取数据的工作表名称.</param>
+        /// <param name="HeaderRowIndex">工作表标题行所在行号(从0开始).</param>
+        /// <returns></returns>
+        public static DataTable ToDataTable(IWorkbook workbook, string SheetName, int HeaderRowIndex)
+        {
+            ISheet sheet = workbook.GetSheet(SheetName);
+            DataTable table = new DataTable();
+            try
+            {
+                IRow headerRow = sheet.GetRow(HeaderRowIndex);
+                int cellCount = headerRow.LastCellNum;
+
+                for (int i = headerRow.FirstCellNum; i < cellCount; i++)
+                {
+                    if (headerRow.GetCell(i) != null && headerRow.GetCell(i).StringCellValue != null)
+                    {
+                        DataColumn column = new DataColumn(headerRow.GetCell(i).StringCellValue);
+                        table.Columns.Add(column);
+                    }
+                }
+
+                int rowCount = sheet.LastRowNum;
+                if (rowCount > 0)
+                {
+                    #region 循环各行各列,写入数据到DataTable
+                    for (int i = (sheet.FirstRowNum); i <= sheet.LastRowNum; i++)
+                    {
+                        IRow row = sheet.GetRow(i);
+                        DataRow dataRow = table.NewRow();
+                        for (int j = row.FirstCellNum; j < cellCount; j++)
+                        {
+                            ICell cell = row.GetCell(j);
+                            if (cell == null)
+                            {
+                                dataRow[j] = null;
+                            }
+                            else
+                            {
+                                //if (cell.CellType == CellType.Numeric && DateUtil.IsCellDateFormatted(cell))
+                                //{
+                                //    dataRow[j] = cell.DateCellValue.ToString("yyyy/MM/dd").Trim();
+                                //}
+                                //else
+                                //{
+                                    dataRow[j] = cell.ToString().Trim();
+                                //}
+                            }
+                        }
+                        table.Rows.Add(dataRow);
+                    }
+                    #endregion
+                }
+            }
+            catch (System.Exception ex)
+            {
+                table.Clear();
+                table.Columns.Clear();
+                table.Columns.Add("出错了");
+                DataRow dr = table.NewRow();
+                dr[0] = ex.Message;
+                table.Rows.Add(dr);
+                return table;
+            }
+            finally
+            {
+                // sheet.Dispose();
+                workbook = null;
+                sheet = null;
+            }
+            #region 清除最后的空行
+            for (int i = table.Rows.Count-1; i >= 0; i--)
+            {
+                bool isnull = true;
+                for (int j = 0; j < table.Columns.Count; j++)
+                {
+                    if (table.Rows[i][j] != null)
+                    {
+                        if (table.Rows[i][j].ToString() != "")
+                        {
+                            isnull = false;
+                            break;
+                        }
+                    }
+                }
+                if (isnull)
+                {
+                    table.Rows[i].Delete();
+                }
+            }
+            #endregion
+
+            return table;
+        }
+    }
+}