ExcelHelper

public class ExcelHelper
    {
        #region 数据导出至Excel文件
        /// </summary> 
        /// 导出Excel文件，自动返回可下载的文件流 
        /// </summary> 
        public static void DataTable1Excel(System.Data.DataTable dtData)
        {
            GridView gvExport = null;
            HttpContext curContext = HttpContext.Current;
            StringWriter strWriter = null;
            HtmlTextWriter htmlWriter = null;
            if (dtData != null)
            {
                curContext.Response.ContentType = "application/vnd.ms-excel";
                curContext.Response.ContentEncoding = System.Text.Encoding.GetEncoding("gb2312");
                curContext.Response.Charset = "utf-8";
                strWriter = new StringWriter();
                htmlWriter = new HtmlTextWriter(strWriter);
                gvExport = new GridView();
                gvExport.DataSource = dtData.DefaultView;
                gvExport.AllowPaging = false;
                gvExport.DataBind();
                gvExport.RenderControl(htmlWriter);
                curContext.Response.Write("<meta http-equiv="Content-Type" content="text/html;charset=gb2312"/>" + strWriter.ToString());
                curContext.Response.End();
            }
        }

        /// <summary>
        /// 导出Excel文件，转换为可读模式
        /// </summary>
        public static void DataTable2Excel(System.Data.DataTable dtData)
        {
            DataGrid dgExport = null;
            HttpContext curContext = HttpContext.Current;
            StringWriter strWriter = null;
            HtmlTextWriter htmlWriter = null;

            if (dtData != null)
            {
                curContext.Response.ContentType = "application/vnd.ms-excel";
                curContext.Response.ContentEncoding = System.Text.Encoding.UTF8;
                curContext.Response.Charset = "";
                strWriter = new StringWriter();
                htmlWriter = new HtmlTextWriter(strWriter);
                dgExport = new DataGrid();
                dgExport.DataSource = dtData.DefaultView;
                dgExport.AllowPaging = false;
                dgExport.DataBind();
                dgExport.RenderControl(htmlWriter);
                curContext.Response.Write(strWriter.ToString());
                curContext.Response.End();
            }
        }

        /// <summary>
        /// 导出Excel文件，并自定义文件名
        /// </summary>
        public static void DataTable3Excel(System.Data.DataTable dtData, String FileName)
        {
            GridView dgExport = null;
            HttpContext curContext = HttpContext.Current;
            StringWriter strWriter = null;
            HtmlTextWriter htmlWriter = null;

            if (dtData != null)
            {
                HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8);
                curContext.Response.AddHeader("content-disposition", "attachment;filename=" + HttpUtility.UrlEncode(FileName, System.Text.Encoding.UTF8) + ".xls");
                curContext.Response.ContentType = "application nd.ms-excel";
                curContext.Response.ContentEncoding = System.Text.Encoding.UTF8;
                curContext.Response.Charset = "GB2312";
                strWriter = new StringWriter();
                htmlWriter = new HtmlTextWriter(strWriter);
                dgExport = new GridView();
                dgExport.DataSource = dtData.DefaultView;
                dgExport.AllowPaging = false;
                dgExport.DataBind();
                dgExport.RenderControl(htmlWriter);
                curContext.Response.Write(strWriter.ToString());
                curContext.Response.End();
            }
        }

        /// <summary>
        /// 将数据导出至Excel文件
        /// </summary>
        /// <param name="Table">DataTable对象</param>
        /// <param name="ExcelFilePath">Excel文件路径</param>
        public static bool OutputToExcel(DataTable Table, string ExcelFilePath)
        {
            if (File.Exists(ExcelFilePath))
            {
                throw new Exception("该文件已经存在！");
            }

            if ((Table.TableName.Trim().Length == 0) || (Table.TableName.ToLower() == "table"))
            {
                Table.TableName = "Sheet1";
            }

            //数据表的列数
            int ColCount = Table.Columns.Count;

            //用于记数，实例化参数时的序号
            int i = 0;

            //创建参数
            OleDbParameter[] para = new OleDbParameter[ColCount];

            //创建表结构的SQL语句
            string TableStructStr = @"Create Table " + Table.TableName + "(";

            //连接字符串
            string connString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFilePath + ";Extended Properties=Excel 8.0;";
            OleDbConnection objConn = new OleDbConnection(connString);

            //创建表结构
            OleDbCommand objCmd = new OleDbCommand();

            //数据类型集合
            ArrayList DataTypeList = new ArrayList();
            DataTypeList.Add("System.Decimal");
            DataTypeList.Add("System.Double");
            DataTypeList.Add("System.Int16");
            DataTypeList.Add("System.Int32");
            DataTypeList.Add("System.Int64");
            DataTypeList.Add("System.Single");

            //遍历数据表的所有列，用于创建表结构
            foreach (DataColumn col in Table.Columns)
            {
                //如果列属于数字列，则设置该列的数据类型为double
                if (DataTypeList.IndexOf(col.DataType.ToString()) >= 0)
                {
                    para[i] = new OleDbParameter("@" + col.ColumnName, OleDbType.Double);
                    objCmd.Parameters.Add(para[i]);

                    //如果是最后一列
                    if (i + 1 == ColCount)
                    {
                        TableStructStr += col.ColumnName + " double)";
                    }
                    else
                    {
                        TableStructStr += col.ColumnName + " double,";
                    }
                }
                else
                {
                    para[i] = new OleDbParameter("@" + col.ColumnName, OleDbType.VarChar);
                    objCmd.Parameters.Add(para[i]);

                    //如果是最后一列
                    if (i + 1 == ColCount)
                    {
                        TableStructStr += col.ColumnName + " varchar)";
                    }
                    else
                    {
                        TableStructStr += col.ColumnName + " varchar,";
                    }
                }
                i++;
            }

            //创建Excel文件及文件结构
            try
            {
                objCmd.Connection = objConn;
                objCmd.CommandText = TableStructStr;

                if (objConn.State == ConnectionState.Closed)
                {
                    objConn.Open();
                }
                objCmd.ExecuteNonQuery();
            }
            catch (Exception exp)
            {
                throw exp;
            }

            //插入记录的SQL语句
            string InsertSql_1 = "Insert into " + Table.TableName + " (";
            string InsertSql_2 = " Values (";
            string InsertSql = "";

            //遍历所有列，用于插入记录，在此创建插入记录的SQL语句
            for (int colID = 0; colID < ColCount; colID++)
            {
                if (colID + 1 == ColCount)  //最后一列
                {
                    InsertSql_1 += Table.Columns[colID].ColumnName + ")";
                    InsertSql_2 += "@" + Table.Columns[colID].ColumnName + ")";
                }
                else
                {
                    InsertSql_1 += Table.Columns[colID].ColumnName + ",";
                    InsertSql_2 += "@" + Table.Columns[colID].ColumnName + ",";
                }
            }

            InsertSql = InsertSql_1 + InsertSql_2;

            //遍历数据表的所有数据行
            for (int rowID = 0; rowID < Table.Rows.Count; rowID++)
            {
                for (int colID = 0; colID < ColCount; colID++)
                {
                    if (para[colID].DbType == DbType.Double && Table.Rows[rowID][colID].ToString().Trim() == "")
                    {
                        para[colID].Value = 0;
                    }
                    else
                    {
                        para[colID].Value = Table.Rows[rowID][colID].ToString().Trim();
                    }
                }
                try
                {
                    objCmd.CommandText = InsertSql;
                    objCmd.ExecuteNonQuery();
                }
                catch (Exception exp)
                {
                    string str = exp.Message;
                }
            }
            try
            {
                if (objConn.State == ConnectionState.Open)
                {
                    objConn.Close();
                }
            }
            catch (Exception exp)
            {
                throw exp;
            }
            return true;
        }

        /// <summary>
        /// 将数据导出至Excel文件
        /// </summary>
        /// <param name="Table">DataTable对象</param>
        /// <param name="Columns">要导出的数据列集合</param>
        /// <param name="ExcelFilePath">Excel文件路径</param>
        public static bool OutputToExcel(DataTable Table, ArrayList Columns, string ExcelFilePath)
        {
            if (File.Exists(ExcelFilePath))
            {
                throw new Exception("该文件已经存在！");
            }

            //如果数据列数大于表的列数，取数据表的所有列
            if (Columns.Count > Table.Columns.Count)
            {
                for (int s = Table.Columns.Count + 1; s <= Columns.Count; s++)
                {
                    Columns.RemoveAt(s);   //移除数据表列数后的所有列
                }
            }

            //遍历所有的数据列，如果有数据列的数据类型不是 DataColumn，则将它移除
            DataColumn column = new DataColumn();
            for (int j = 0; j < Columns.Count; j++)
            {
                try
                {
                    column = (DataColumn)Columns[j];
                }
                catch (Exception)
                {
                    Columns.RemoveAt(j);
                }
            }
            if ((Table.TableName.Trim().Length == 0) || (Table.TableName.ToLower() == "table"))
            {
                Table.TableName = "Sheet1";
            }

            //数据表的列数
            int ColCount = Columns.Count;

            //创建参数
            OleDbParameter[] para = new OleDbParameter[ColCount];

            //创建表结构的SQL语句
            string TableStructStr = @"Create Table " + Table.TableName + "(";

            //连接字符串
            string connString = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFilePath + ";Extended Properties=Excel 8.0;";
            OleDbConnection objConn = new OleDbConnection(connString);

            //创建表结构
            OleDbCommand objCmd = new OleDbCommand();

            //数据类型集合
            ArrayList DataTypeList = new ArrayList();
            DataTypeList.Add("System.Decimal");
            DataTypeList.Add("System.Double");
            DataTypeList.Add("System.Int16");
            DataTypeList.Add("System.Int32");
            DataTypeList.Add("System.Int64");
            DataTypeList.Add("System.Single");

            DataColumn col = new DataColumn();

            //遍历数据表的所有列，用于创建表结构
            for (int k = 0; k < ColCount; k++)
            {
                col = (DataColumn)Columns[k];

                //列的数据类型是数字型
                if (DataTypeList.IndexOf(col.DataType.ToString().Trim()) >= 0)
                {
                    para[k] = new OleDbParameter("@" + col.Caption.Trim(), OleDbType.Double);
                    objCmd.Parameters.Add(para[k]);

                    //如果是最后一列
                    if (k + 1 == ColCount)
                    {
                        TableStructStr += col.Caption.Trim() + " Double)";
                    }
                    else
                    {
                        TableStructStr += col.Caption.Trim() + " Double,";
                    }
                }
                else
                {
                    para[k] = new OleDbParameter("@" + col.Caption.Trim(), OleDbType.VarChar);
                    objCmd.Parameters.Add(para[k]);

                    //如果是最后一列
                    if (k + 1 == ColCount)
                    {
                        TableStructStr += col.Caption.Trim() + " VarChar)";
                    }
                    else
                    {
                        TableStructStr += col.Caption.Trim() + " VarChar,";
                    }
                }
            }

            //创建Excel文件及文件结构
            try
            {
                objCmd.Connection = objConn;
                objCmd.CommandText = TableStructStr;

                if (objConn.State == ConnectionState.Closed)
                {
                    objConn.Open();
                }
                objCmd.ExecuteNonQuery();
            }
            catch (Exception exp)
            {
                throw exp;
            }

            //插入记录的SQL语句
            string InsertSql_1 = "Insert into " + Table.TableName + " (";
            string InsertSql_2 = " Values (";
            string InsertSql = "";

            //遍历所有列，用于插入记录，在此创建插入记录的SQL语句
            for (int colID = 0; colID < ColCount; colID++)
            {
                if (colID + 1 == ColCount)  //最后一列
                {
                    InsertSql_1 += Columns[colID].ToString().Trim() + ")";
                    InsertSql_2 += "@" + Columns[colID].ToString().Trim() + ")";
                }
                else
                {
                    InsertSql_1 += Columns[colID].ToString().Trim() + ",";
                    InsertSql_2 += "@" + Columns[colID].ToString().Trim() + ",";
                }
            }

            InsertSql = InsertSql_1 + InsertSql_2;

            //遍历数据表的所有数据行
            DataColumn DataCol = new DataColumn();
            for (int rowID = 0; rowID < Table.Rows.Count; rowID++)
            {
                for (int colID = 0; colID < ColCount; colID++)
                {
                    //因为列不连续，所以在取得单元格时不能用行列编号，列需得用列的名称
                    DataCol = (DataColumn)Columns[colID];
                    if (para[colID].DbType == DbType.Double && Table.Rows[rowID][DataCol.Caption].ToString().Trim() == "")
                    {
                        para[colID].Value = 0;
                    }
                    else
                    {
                        para[colID].Value = Table.Rows[rowID][DataCol.Caption].ToString().Trim();
                    }
                }
                try
                {
                    objCmd.CommandText = InsertSql;
                    objCmd.ExecuteNonQuery();
                }
                catch (Exception exp)
                {
                    string str = exp.Message;
                }
            }
            try
            {
                if (objConn.State == ConnectionState.Open)
                {
                    objConn.Close();
                }
            }
            catch (Exception exp)
            {
                throw exp;
            }
            return true;
        }

        //#region 创建Excel并写入数据
        ///// <summary>
        ///// 导出Excel
        ///// </summary>
        ///// <param name="dt">数据源—DataTable</param>
        ///// <param name="title">表格标题</param>
        ///// <param name="fileSaveName">电子表格文件开头名（可空）</param>
        ///// <returns></returns>
        //public static string ExcelExport(DataTable dt, string fileSaveName)
        //{
        //    string docurl = "";
        //    Workbook wb = new Workbook();
        //    wb.Worksheets.Clear();
        //    wb.Worksheets.Add(fileSaveName);
        //    Worksheet ws = wb.Worksheets[0];
        //    Cells cells = ws.Cells;

        //    int rowIndex = 0; //记录行数游标
        //    int countCol = dt.Columns.Count; //获取返回数据表列数

        //    #region 样式设置
        //    //表头行样式
        //    Aspose.Cells.Style titleStyle = wb.Styles[wb.Styles.Add()];
        //    titleStyle.HorizontalAlignment = TextAlignmentType.Center;
        //    titleStyle.Font.Size = 15;
        //    titleStyle.Font.Name = "新宋体";
        //    titleStyle.Font.IsBold = true;
        //    titleStyle.ForegroundColor = System.Drawing.Color.FromArgb(216, 243, 205);
        //    titleStyle.Pattern = BackgroundType.Solid;
        //    //titleStyle.IsTextWrapped = true;
        //    titleStyle.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
        //    titleStyle.Borders[BorderType.RightBorder].Color = System.Drawing.Color.Black;
        //    titleStyle.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
        //    titleStyle.Borders[BorderType.BottomBorder].Color = System.Drawing.Color.Black;

        //    //表内容头样式
        //    Aspose.Cells.Style text_TitleStyle = wb.Styles[wb.Styles.Add()];
        //    text_TitleStyle.HorizontalAlignment = TextAlignmentType.Left;
        //    text_TitleStyle.Font.Size = 10;
        //    text_TitleStyle.Font.Name = "新宋体";
        //    text_TitleStyle.Font.IsBold = true;
        //    text_TitleStyle.ForegroundColor = System.Drawing.Color.White;
        //    text_TitleStyle.Pattern = BackgroundType.Solid;
        //    //text_TitleStyle.IsTextWrapped = true;
        //    text_TitleStyle.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
        //    text_TitleStyle.Borders[BorderType.LeftBorder].Color = System.Drawing.Color.Black;
        //    text_TitleStyle.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
        //    text_TitleStyle.Borders[BorderType.RightBorder].Color = System.Drawing.Color.Black;
        //    text_TitleStyle.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
        //    text_TitleStyle.Borders[BorderType.TopBorder].Color = System.Drawing.Color.Black;
        //    text_TitleStyle.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
        //    text_TitleStyle.Borders[BorderType.BottomBorder].Color = System.Drawing.Color.Black;

        //    //表内容样式
        //    Aspose.Cells.Style textStyle = wb.Styles[wb.Styles.Add()];
        //    textStyle.HorizontalAlignment = TextAlignmentType.Left;
        //    textStyle.Font.Size = 10;
        //    textStyle.Font.Name = "新宋体";
        //    textStyle.Font.IsBold = false;
        //    textStyle.ForegroundColor = System.Drawing.Color.White;
        //    textStyle.Pattern = BackgroundType.Solid;
        //    //textStyle.IsTextWrapped = true;
        //    textStyle.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
        //    textStyle.Borders[BorderType.LeftBorder].Color = System.Drawing.Color.Black;
        //    textStyle.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
        //    textStyle.Borders[BorderType.RightBorder].Color = System.Drawing.Color.Black;
        //    textStyle.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
        //    textStyle.Borders[BorderType.TopBorder].Color = System.Drawing.Color.Black;
        //    textStyle.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
        //    textStyle.Borders[BorderType.BottomBorder].Color = System.Drawing.Color.Black;

        //    //时间居中内容样式
        //    Aspose.Cells.Style timeStyle = wb.Styles[wb.Styles.Add()];
        //    timeStyle.HorizontalAlignment = TextAlignmentType.Left;
        //    timeStyle.Font.Size = 10;
        //    timeStyle.Font.Name = "新宋体";
        //    timeStyle.Font.IsBold = false;
        //    timeStyle.ForegroundColor = System.Drawing.Color.White;
        //    timeStyle.Pattern = BackgroundType.Solid;
        //    //timeStyle.IsTextWrapped = true;
        //    timeStyle.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
        //    timeStyle.Borders[BorderType.LeftBorder].Color = System.Drawing.Color.Black;
        //    timeStyle.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
        //    timeStyle.Borders[BorderType.RightBorder].Color = System.Drawing.Color.Black;
        //    timeStyle.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
        //    timeStyle.Borders[BorderType.TopBorder].Color = System.Drawing.Color.Black;
        //    timeStyle.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
        //    timeStyle.Borders[BorderType.BottomBorder].Color = System.Drawing.Color.Black;
        //    #endregion

        //    #region 电子表格表头
        //    ws.Cells[rowIndex, 0].PutValue("");
        //    ws.Cells[rowIndex, 0].SetStyle(titleStyle, true);
        //    for (int x = 1; x < countCol; x++)
        //    {
        //        ws.Cells[rowIndex, x].SetStyle(titleStyle, true);
        //    }
        //    cells.SetRowHeight(rowIndex, 26);
        //    cells.Merge(rowIndex, 0, 1, countCol);
        //    rowIndex++;
        //    #endregion

        //    #region 电子表格列属性信息
        //    for (int j = 0; j < countCol; j++)
        //    {
        //        string strName = dt.Columns[j].ColumnName;
        //        switch (strName)
        //        {

        //            case "LicenseFlag":
        //                strName = "是否上牌";
        //                break;
        //            case "NonLocalFlag":
        //                strName = "是否外地车";
        //                break;
        //            case "LicenseNo":
        //                strName = "车牌号";
        //                break;
        //            case "Vin":
        //                strName = "车型码(车架号)";
        //                break;
        //            case "EngineNo":
        //                strName = "发动机号";
        //                break;
        //            case "ModelCode":
        //                strName = "车辆品牌型号";
        //                break;
        //            case "EnrollDate":
        //                strName = "车辆初次登记日期";
        //                break;
        //            case "LoanFlag":
        //                strName = "是否贷款车";
        //                break;
        //            case "LoanBank":
        //                strName = "贷款银行";
        //                break;
        //            case "LoanContributing":
        //                strName = "贷款特约";
        //                break;
        //            case "TransferFlag":
        //                strName = "是否过户车";
        //                break;
        //            case "TransferFlagTime":
        //                strName = "过户时间";
        //                break;
        //            case "EnergyType":
        //                strName = "能源类型";
        //                break;
        //            case "LicenseTypeCode":
        //                strName = "车牌类型编码";
        //                break;
        //            case "CarTypeCode":
        //                strName = "行驶证车辆类型编码";
        //                break;
        //            case "VehicleType":
        //                strName = "车辆种类";
        //                break;
        //            case "VehicleTypeCode":
        //                strName = "车辆种类类型";
        //                break;
        //            case "VehicleTypeDetailCode":
        //                strName = "车辆种类类型详细";
        //                break;
        //            case "UseNature":
        //                strName = "车辆使用性质";
        //                break;
        //            case "UseNatureCode":
        //                strName = "使用性质细分";
        //                break;
        //            case "CountryNature":
        //                strName = "生成模式/产地";
        //                break;
        //            case "IsRenewal":
        //                strName = "是否续保";
        //                break;
        //            case "InsVehicleId":
        //                strName = "车型编码";
        //                break;
        //            case "Price":
        //                strName = "新车购置价格(含税)";
        //                break;
        //            case "PriceNoTax":
        //                strName = "新车购置价格（不含税）";
        //                break;
        //            case "Year":
        //                strName = "年款";
        //                break;
        //            case "Name":
        //                strName = "车型名称";
        //                break;
        //            case "Exhaust":
        //                strName = "排量";
        //                break;
        //            case "BrandName":
        //                strName = "品牌名称";
        //                break;
        //            case "LoadWeight":
        //                strName = "核定载质量/拉货的质量";
        //                break;
        //            case "KerbWeight":
        //                strName = "汽车整备质量/汽车自重";
        //                break;
        //            case "Seat":
        //                strName = "座位数";
        //                break;
        //            case "TaxType":
        //                strName = "车船税交税类型";
        //                break;
        //            case "VehicleIMG":
        //                strName = "车型图片";
        //                break;
        //            case "CustomerType":
        //                strName = "客户类型";
        //                break;
        //            case "IdType":
        //                strName = "证件类型";
        //                break;
        //            case "OwnerName":
        //                strName = "车主姓名";
        //                break;
        //            case "IdNo":
        //                strName = "证件号码";
        //                break;
        //            case "Address":
        //                strName = "地址";
        //                break;
        //            case "Mobile":
        //                strName = "联系电话";
        //                break;
        //            case "Email":
        //                strName = "联系邮箱";
        //                break;
        //            case "Sex":
        //                strName = "性别";
        //                break;
        //            case "Birthday":
        //                strName = "出生日期";
        //                break;
        //            case "Age":
        //                strName = "年龄";
        //                break;
        //            case "GeneralNumber":
        //                strName = "总机号码";
        //                break;
        //            case "LinkmanName":
        //                strName = "联系人姓名";
        //                break;
        //            case "CommercePolicyNo":
        //                strName = "上年度商业险保单号";
        //                break;
        //            case "CompulsoryPolicyNo":
        //                strName = "上年度交强险保单号";
        //                break;
        //            case "InsureCompanyCode":
        //                strName = "上年度承保公司编码";
        //                break;
        //            case "InsureCompanyName":
        //                strName = "上年度承保公司";
        //                break;
        //            case "CommercePolicyBeginDate":
        //                strName = "商业险开始时间";
        //                break;
        //            case "CommercePolicyEndDate":
        //                strName = "商业险结束时间";
        //                break;
        //            case "CompulsoryPolicyBeginDate":
        //                strName = "交强险开始时间";
        //                break;
        //            case "CompulsoryPolicyEndDate":
        //                strName = "交强险截至时间";
        //                break;
        //            case "CommerceTotalPremium":
        //                strName = "商业险总保费";
        //                break;
        //            case "CompulsoryTotalPremium":
        //                strName = "交强险总保费";
        //                break;
        //            case "TravelTax":
        //                strName = "车船税";
        //                break;
        //            case "SYInsuranceItem":
        //                strName = "商业险";
        //                break;
        //            case "JQInsurance":
        //                strName = "交强险";
        //                break;
        //            case "TravelInsurance":
        //                strName = "车船税";
        //                break;
        //            case "ToInsured":
        //                strName = "投保人信息";
        //                break;
        //            case "BeInsured":
        //                strName = "被保人信息";
        //                break;
        //        }
        //        ws.Cells[rowIndex, j].PutValue(strName);
        //        ws.Cells[rowIndex, j].SetStyle(text_TitleStyle, true);
        //    }
        //    cells.SetRowHeight(rowIndex, 24);
        //    rowIndex++;
        //    #endregion

        //    #region 处理导出数据
        //    for (int k = 0; k < dt.Rows.Count; k++)
        //    {
        //        for (int y = 0; y < countCol; y++)
        //        {

        //            if (dt.Columns[y].DataType == typeof(DateTime))
        //            {
        //                if (!String.IsNullOrEmpty(dt.Rows[k][y].ToString()))
        //                { ws.Cells[rowIndex, y].PutValue(DateTime.Parse(dt.Rows[k][y].ToString()).ToString("yyyy-MM-dd")); }
        //                else
        //                { ws.Cells[rowIndex, y].PutValue(" "); }
        //            }
        //            else
        //            {
        //                string str = dt.Rows[k][y].ToString();

        //                ws.Cells[rowIndex, y].PutValue(str);
        //            }
        //            try
        //            {
        //                ws.Cells[rowIndex, y].SetStyle(textStyle, true);
        //            }
        //            catch
        //            {


        //            }
        //        }
        //        cells.SetRowHeight(rowIndex, 24);
        //        rowIndex++;
        //    }
        //    #endregion

        //    #region 属性设置
        //    //属性设置
        //    ws.UnFreezePanes();
        //    ws.FreezePanes(2, 1, 2, 0);
        //    ws.AutoFitColumns();
        //    ws.AutoFilter.SetRange(1, 0, countCol - 1);
        //    #endregion

        //    #region 存储文件名
        //    //存储文件名
        //    fileSaveName += ".xls";
        //    //存储文件地址
        //    docurl = "C:\" + fileSaveName;// HttpContext.Current.Server.MapPath().ToString();
        //    wb.Save(docurl);
        //    #endregion

        //    return docurl;

        //}
        //#endregion
        #endregion

        /// <summary>获取Excel文件数据表列表
        /// </summary>
        public static ArrayList GetExcelTables(string ExcelFileName)
        {
            string connStr = "";
            string fileType = System.IO.Path.GetExtension(ExcelFileName);
            if (string.IsNullOrEmpty(fileType)) return null;

            if (fileType == ".xls")
                connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFileName + ";Extended Properties="Excel 8.0;HDR=YES;IMEX=1"";
            else
                connStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + ExcelFileName + ";Extended Properties="Excel 12.0;HDR=YES;IMEX=1"";
            DataTable dt = new DataTable();
            ArrayList TablesList = new ArrayList();
            if (File.Exists(ExcelFileName))
            {
                using (OleDbConnection conn = new OleDbConnection(connStr))
                {
                    try
                    {
                        conn.Open();
                        dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Tables, new object[] { null, null, null, "TABLE" });
                    }
                    catch (Exception exp)
                    {
                        throw exp;
                    }

                    //获取数据表个数
                    int tablecount = dt.Rows.Count;
                    for (int i = 0; i < tablecount; i++)
                    {
                        string tablename = dt.Rows[i][2].ToString().Trim().TrimEnd('$');
                        if (TablesList.IndexOf(tablename) < 0)
                        {
                            TablesList.Add(tablename);
                        }
                    }
                }
            }
            return TablesList;
        }

        /// <summary>将Excel文件导出至DataTable(第一行作为表头,默认为第一个数据表名)
        /// </summary>
        /// <param name="ExcelFilePath">Excel文件路径</param>
        public static DataTable InputFromExcel(string ExcelFilePath)
        {
            if (!File.Exists(ExcelFilePath))
            {
                throw new Exception("Excel文件不存在！");
            }
            string fileType = System.IO.Path.GetExtension(ExcelFilePath);
            if (string.IsNullOrEmpty(fileType)) return null;

            string connStr = string.Empty;
            string TableName = string.Empty;
            if (fileType == ".xls")
            {
                connStr = @"Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFilePath + ";Extended Properties="Excel 8.0;HDR=YES;IMEX=1"";
            }
            else
            {
                connStr = @"Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + ExcelFilePath + ";Extended Properties="Excel 12.0;HDR=YES;IMEX=1"";
            }

            //如果数据表名不存在，则数据表名为Excel文件的第一个数据表
            ArrayList TableList = new ArrayList();
            TableList = GetExcelTables(ExcelFilePath);

            TableName = TableList[0].ToString().Trim();

            DataTable table = new DataTable();
            OleDbConnection dbcon = new OleDbConnection(connStr);
            if (!TableName.Contains("$"))
            {
                TableName = TableName + "$";
            }
            OleDbCommand cmd = new OleDbCommand("select * from [" + TableName + "]", dbcon);
            OleDbDataAdapter adapter = new OleDbDataAdapter(cmd);

            try
            {
                if (dbcon.State == ConnectionState.Closed)
                {
                    dbcon.Open();
                }
                adapter.Fill(table);
            }
            catch (Exception exp)
            {
                throw exp;
            }
            finally
            {
                if (dbcon.State == ConnectionState.Open)
                {
                    dbcon.Close();
                }
            }
            return table;
        }

        /// <summary>将Excel文件导出至DataTable(指定表头)
        /// </summary>
        /// <param name="ExcelFilePath"></param>
        /// <param name="TableName"></param>
        /// <param name="Column"></param>
        /// <returns></returns>
        public static DataTable InputFromExcel(string ExcelFilePath, string TableName, string Column)
        {
            string connStr = "";
            if (!File.Exists(ExcelFilePath))
            {
                throw new Exception("Excel文件不存在！");
            }
            string fileType = System.IO.Path.GetExtension(ExcelFilePath);
            if (string.IsNullOrEmpty(fileType)) return null;

            if (fileType == ".xls")
            {
                connStr = "Provider=Microsoft.Jet.OLEDB.4.0;Data Source=" + ExcelFilePath + ";Extended Properties="Excel 8.0;HDR=YES;IMEX=1"";
            }
            else
            {
                connStr = "Provider=Microsoft.ACE.OLEDB.12.0;Data Source=" + ExcelFilePath + ";Extended Properties="Excel 12.0;HDR=YES;IMEX=1"";
            }
            if (string.IsNullOrEmpty(Column))
            {
                Column = "*";
            }
            //如果数据表名不存在，则数据表名为Excel文件的第一个数据表
            ArrayList TableList = new ArrayList();
            TableList = GetExcelTables(ExcelFilePath);

            if (TableList.IndexOf(TableName) < 0)
            {
                TableName = TableList[0].ToString().Trim();
            }

            DataTable table = new DataTable();
            OleDbConnection dbcon = new OleDbConnection(connStr);
            OleDbCommand cmd = new OleDbCommand(string.Format("select {0} from [{1}$]", Column, TableName), dbcon);
            OleDbDataAdapter adapter = new OleDbDataAdapter(cmd);

            try
            {
                if (dbcon.State == ConnectionState.Closed)
                {
                    dbcon.Open();
                }
                adapter.Fill(table);
            }
            catch (Exception exp)
            {
                throw exp;
            }
            finally
            {
                if (dbcon.State == ConnectionState.Open)
                {
                    dbcon.Close();
                }
            }
            return table;
        }

        /// <summary>获取Excel文件指定数据表的数据列表
        /// </summary>
        /// <param name="ExcelFileName">Excel文件名</param>
        /// <param name="TableName">数据表名</param>
        public static ArrayList GetExcelTableColumns(string ExcelFileName, string TableName)
        {
            DataTable dt = new DataTable();
            ArrayList ColsList = new ArrayList();
            if (File.Exists(ExcelFileName))
            {
                using (OleDbConnection conn = new OleDbConnection("Provider=Microsoft.Jet.OLEDB.4.0;Extended Properties=Excel 8.0;Data Source=" + ExcelFileName))
                {
                    conn.Open();
                    dt = conn.GetOleDbSchemaTable(OleDbSchemaGuid.Columns, new object[] { null, null, TableName, null });

                    //获取列个数
                    int colcount = dt.Rows.Count;
                    for (int i = 0; i < colcount; i++)
                    {
                        string colname = dt.Rows[i]["Column_Name"].ToString().Trim();
                        ColsList.Add(colname);
                    }
                }
            }
            return ColsList;
        }
    }