导出Excel表

        /// <summary>
        /// 获取导出表的流.
        /// </summary>
        /// <param name="excelDataSource">数据源.</param>
        /// <param name="sheetName">Excel名.</param>
        /// <param name="stream">获取的IO流.</param>
        /// <param name="summaryInfor">页面汇总信息</param>
        public void GetExportExcelStream(IList<CustomerAuth> excelDataSource, string sheetName, System.IO.Stream stream, Core.Domain.Excel.SummaryInfor summaryInfor = null)
        {
            if (stream == null)
                throw new ArgumentNullException("stream");

            using (var xlPackage = new ExcelPackage(stream))
            {
                var worksheet = xlPackage.Workbook.Worksheets.Add(sheetName);
                
                // Excel表的列名
                var properties = new string[]
                {
                    "注册号",
                    "手机号",
                    "姓名",
                    "身份证号",
                    "注册来源",
                    "认证时间",
                    "注册时间"
                };

                // 设置第一行的样式
                for (int i = 0; i < properties.Length; i++)
                {
                    worksheet.Cells[1, i + 1].Value = properties[i];
                    worksheet.Cells[1, i + 1].Style.Fill.PatternType = ExcelFillStyle.Solid;
                    worksheet.Cells[1, i + 1].Style.Fill.BackgroundColor.SetColor(Color.FromArgb(184, 204, 228));
                    worksheet.Cells[1, i + 1].Style.Font.Bold = true;
                }

                int row = 2;

                foreach (var excelItem in excelDataSource)
                {
                    int col = 1;
                    // 注册号
                    worksheet.Cells[row, col].Value = excelItem.RegNumber;
                    col++;

                    // 手机号
                    worksheet.Cells[row, col].Value = excelItem.Phone;
                    col++;

                    // 姓名
                    worksheet.Cells[row, col].Value = excelItem.Name;
                    col++;

                    // 身份证号
                    worksheet.Cells[row, col].Value = excelItem.CardId;
                    col++;

                    // 注册来源
                    worksheet.Cells[row, col].Value = excelItem.Source;
                    col++;

                    // 认证时间
                    worksheet.Cells[row, col].Value = excelItem.AuthDate;
                    col++;

                    // 注册时间
                    worksheet.Cells[row, col].Value = excelItem.RegDate;
                    col++;

                    row++;
                }

                worksheet.Cells.AutoFitColumns(0);  // 设置为自动宽度

                xlPackage.Save();
            }
        }