Excel 帮助类

using System;
using System.Collections.Generic;
using System.Data;
using System.Drawing;
using System.IO;
using System.Reflection;
using Aspose.Cells;
namespace Web
{
    /// <summary>
    /// excel帮助类
    /// </summary>
    public class ExcelHelp
    {
        /// <summary>
        /// Excel帮助类
        /// </summary>
        /// <param name="dataTable"></param>
        public static byte[] EntityDataToExcel(EntityDataTable dataTable, List<ExcelT> excelTs,bool isMuchHead,string title,int columnCount)
        {
          Workbook workbook = new Workbook();
           Worksheet sheet = workbook.Worksheets[];

           Cells cells = sheet.Cells;

            //插入标题
           Range rangeTitle = cells.CreateRange(, , , columnCount);

            //标题样式
            rangeTitle.RowHeight = ;
            int styleIndex = workbook.Styles.Add();
            Style rangeStyle =  workbook.Styles[styleIndex];
            rangeStyle.ForegroundColor = Color.Yellow;
            rangeStyle.Pattern = BackgroundType.Solid;
            rangeStyle.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Font.IsBold=true;
            rangeStyle.Font.Size = ;
            rangeStyle.HorizontalAlignment=TextAlignmentType.Center;
            rangeStyle.VerticalAlignment = TextAlignmentType.Center;

            Cell cellTitle = rangeTitle[, ];
            cellTitle.PutValue(title);
            cellTitle.Style.Font.Size = ;
            rangeTitle.Style = rangeStyle;
            rangeTitle.Merge();

            ;
            ;
             : ;
            var count = dataTable.Count;
            var tCount = excelTs.Count;

            //头样式
            int headIndex = workbook.Styles.Add();
            Style headStyle = workbook.Styles[headIndex];
            headStyle.HorizontalAlignment=TextAlignmentType.Center;
            headStyle.VerticalAlignment = TextAlignmentType.Center;
            headStyle.Font.IsBold = true;
            //插入头
            ; h < tCount; h++)
            {
                ExcelT excelHead = excelTs[h];

                //有子表头的
                )
                {
                    var childCount = excelHead.ChildExcelT.Count;
                    Range csHeadRange = cells.CreateRange(rowIndex, colIndex, , childCount);
                    Cell rsCell = csHeadRange[, ];
                    rsCell.PutValue(excelHead.Head);
                    csHeadRange.Style = headStyle;
                    csHeadRange.Merge();
                    ;
                    foreach (var childT in excelHead.ChildExcelT)
                    {

                        cells[childRowIndex, colIndex].PutValue(childT.Head);
                        cells[childRowIndex, colIndex].Style = headStyle;
                        colIndex = colIndex + ;
                    }

                }
                else
                {
                    if (isMuchHead)
                    {
                        Range rsHeadRange = cells.CreateRange(rowIndex, colIndex,,);
                        Cell rsCell = rsHeadRange[, ];
                        rsCell.PutValue(excelHead.Head);
                        rsHeadRange.Style = headStyle;
                        rsHeadRange.Merge();
                        colIndex = colIndex + ;
                    }
                    //正常不含多表头的
                    else
                    {
                        cells[rowIndex, colIndex].PutValue(excelTs[h].Head);
                        cells[rowIndex, colIndex].Style = headStyle;
                        colIndex = colIndex + ;
                    }
                }

            }
            rowIndex = rowIndex + headRow;
            //插入数据
            ; i < count; i++)
            {
                var record = dataTable[i];
                var dt = record.DataTable;
                ;
                var rowValue = i + rowIndex;
                ; j < excelTs.Count; j++)
                {
                    var currentT = excelTs[j];
                    )
                    {
                        foreach (var childT in currentT.ChildExcelT)
                        {
                            cells[rowValue, dataI].PutValue(record[childT.DataIndex]);
                            if(childT.Width!=null)
                            {
                                cells.SetColumnWidth(dataI,Convert.ToDouble(childT.Width));
                            }
                            dataI = dataI + ;
                        }
                    }
                    else
                    {
                        cells[rowValue, dataI].PutValue(record[currentT.DataIndex]);
                        if (currentT.Width != null)
                        {
                            cells.SetColumnWidth(dataI, Convert.ToDouble(currentT.Width));
                        }
                        dataI = dataI + ;
                    }

                }
            }

           // sheet.AutoFitColumns();
            MemoryStream fileStream = new MemoryStream();
            fileStream = workbook.SaveToStream();
            return fileStream.ToArray();

        }

        /// <summary>
        /// Excel帮助类
        /// </summary>
        /// <param name="dataTable"></param>
        public static byte[] DynamicToExcel(List<dynamic> listData, List<ExcelT> excelTs, bool isMuchHead, string title, int columnCount)
        {
            Workbook workbook = new Workbook();
            Worksheet sheet = workbook.Worksheets[];

            Cells cells = sheet.Cells;

            //插入标题
            Range rangeTitle = cells.CreateRange(, , , columnCount);

            //标题样式
            rangeTitle.RowHeight = ;
            int styleIndex = workbook.Styles.Add();
            Style rangeStyle = workbook.Styles[styleIndex];
            rangeStyle.ForegroundColor = Color.Yellow;
            rangeStyle.Pattern = BackgroundType.Solid;
            rangeStyle.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Font.IsBold = true;
            rangeStyle.Font.Size = ;
            rangeStyle.HorizontalAlignment = TextAlignmentType.Center;
            rangeStyle.VerticalAlignment = TextAlignmentType.Center;

            Cell cellTitle = rangeTitle[, ];
            cellTitle.PutValue(title);
            cellTitle.Style.Font.Size = ;
            rangeTitle.Style = rangeStyle;
            rangeTitle.Merge();

            ;
            ;
             : ;
            var count = listData.Count;
            var tCount = excelTs.Count;

            //头样式
            int headIndex = workbook.Styles.Add();
            Style headStyle = workbook.Styles[headIndex];
            headStyle.HorizontalAlignment = TextAlignmentType.Center;
            headStyle.VerticalAlignment = TextAlignmentType.Center;
            headStyle.Font.IsBold = true;
            //插入头
            ; h < tCount; h++)
            {
                ExcelT excelHead = excelTs[h];

                //有子表头的
                )
                {
                    var childCount = excelHead.ChildExcelT.Count;
                    Range csHeadRange = cells.CreateRange(rowIndex, colIndex, , childCount);
                    Cell rsCell = csHeadRange[, ];
                    rsCell.PutValue(excelHead.Head);
                    csHeadRange.Style = headStyle;
                    csHeadRange.Merge();
                    ;
                    foreach (var childT in excelHead.ChildExcelT)
                    {

                        cells[childRowIndex, colIndex].PutValue(childT.Head);
                        cells[childRowIndex, colIndex].Style = headStyle;
                        colIndex = colIndex + ;
                    }

                }
                else
                {
                    if (isMuchHead)
                    {
                        Range rsHeadRange = cells.CreateRange(rowIndex, colIndex, , );
                        Cell rsCell = rsHeadRange[, ];
                        rsCell.PutValue(excelHead.Head);
                        rsHeadRange.Style = headStyle;
                        rsHeadRange.Merge();
                        colIndex = colIndex + ;
                    }
                    //正常不含多表头的
                    else
                    {
                        cells[rowIndex, colIndex].PutValue(excelTs[h].Head);
                        cells[rowIndex, colIndex].Style = headStyle;
                        colIndex = colIndex + ;
                    }
                }

            }
            rowIndex = rowIndex + headRow;
            //插入数据
            ; i < count; i++)
            {
                var currentRow = listData[i];
                Type t = currentRow.GetType();
                ;
                var rowValue = i + rowIndex;
                ; j < excelTs.Count; j++)
                {
                    var currentT = excelTs[j];
                    )
                    {
                        foreach (var childT in currentT.ChildExcelT)
                        {
                            var filedIndex = childT.DataIndex;
                            var currentField = t.GetProperty(filedIndex);
                           var currentValue=  currentField.GetValue(currentRow,null);
                          cells[rowValue, dataI].PutValue(currentValue);
                            if (childT.Width != null)
                            {
                                cells.SetColumnWidth(dataI, Convert.ToDouble(childT.Width));
                            }
                            dataI = dataI + ;
                        }
                    }
                    else
                    {
                        var filedIndex = currentT.DataIndex;
                        var currentField = t.GetProperty(filedIndex);
                        var currentValue = currentField.GetValue(currentRow, null);
                        cells[rowValue, dataI].PutValue(currentValue);
                        if (currentT.Width != null)
                        {
                            cells.SetColumnWidth(dataI, Convert.ToDouble(currentT.Width));
                        }
                        dataI = dataI + ;
                    }

                }
            }

            // sheet.AutoFitColumns();
            MemoryStream fileStream = new MemoryStream();
            fileStream = workbook.SaveToStream();
            return fileStream.ToArray();

        }

        public static byte[] DataTableToExcel(DataTable dataTable, List<ExcelT> excelTs, bool isMuchHead, string title, int columnCount)
        {
            Workbook workbook = new Workbook();
            Worksheet sheet = workbook.Worksheets[];

            Cells cells = sheet.Cells;

            //插入标题
            Range rangeTitle = cells.CreateRange(, , , columnCount);

            //标题样式
            rangeTitle.RowHeight = ;
            int styleIndex = workbook.Styles.Add();
            Style rangeStyle = workbook.Styles[styleIndex];
            rangeStyle.ForegroundColor = Color.Yellow;
            rangeStyle.Pattern = BackgroundType.Solid;
            rangeStyle.Borders[BorderType.BottomBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.LeftBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.RightBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Borders[BorderType.TopBorder].LineStyle = CellBorderType.Thin;
            rangeStyle.Font.IsBold = true;
            rangeStyle.Font.Size = ;
            rangeStyle.HorizontalAlignment = TextAlignmentType.Center;
            rangeStyle.VerticalAlignment = TextAlignmentType.Center;

            Cell cellTitle = rangeTitle[, ];
            cellTitle.PutValue(title);
            cellTitle.Style.Font.Size = ;
            rangeTitle.Style = rangeStyle;
            rangeTitle.Merge();

            ;
            ;
             : ;
            var tCount = excelTs.Count;

            //头样式
            int headIndex = workbook.Styles.Add();
            Style headStyle = workbook.Styles[headIndex];
            headStyle.HorizontalAlignment = TextAlignmentType.Center;
            headStyle.VerticalAlignment = TextAlignmentType.Center;
            headStyle.Font.IsBold = true;
            //插入头
            ; h < tCount; h++)
            {
                ExcelT excelHead = excelTs[h];

                //有子表头的
                )
                {
                    var childCount = excelHead.ChildExcelT.Count;
                    Range csHeadRange = cells.CreateRange(rowIndex, colIndex, , childCount);
                    Cell rsCell = csHeadRange[, ];
                    rsCell.PutValue(excelHead.Head);
                    csHeadRange.Style = headStyle;
                    csHeadRange.Merge();
                    ;
                    foreach (var childT in excelHead.ChildExcelT)
                    {

                        cells[childRowIndex, colIndex].PutValue(childT.Head);
                        cells[childRowIndex, colIndex].Style = headStyle;
                        colIndex = colIndex + ;
                    }

                }
                else
                {
                    if (isMuchHead)
                    {
                        Range rsHeadRange = cells.CreateRange(rowIndex, colIndex, , );
                        Cell rsCell = rsHeadRange[, ];
                        rsCell.PutValue(excelHead.Head);
                        rsHeadRange.Style = headStyle;
                        rsHeadRange.Merge();
                        colIndex = colIndex + ;
                    }
                    //正常不含多表头的
                    else
                    {
                        cells[rowIndex, colIndex].PutValue(excelTs[h].Head);
                        cells[rowIndex, colIndex].Style = headStyle;
                        colIndex = colIndex + ;
                    }
                }

            }
            rowIndex = rowIndex + headRow;
            //插入数据
            var count = dataTable.Rows.Count;
            ; i < count; i++)
            {
                DataRow dr = dataTable.Rows[i];
                ;
                var rowValue = i + rowIndex;
                ; j < excelTs.Count; j++)
                {
                    var currentT = excelTs[j];
                    )
                    {
                        foreach (var childT in currentT.ChildExcelT)
                        {
                            cells[rowValue, dataI].PutValue(dr[childT.DataIndex]);
                            if (childT.Width != null)
                            {
                                cells.SetColumnWidth(dataI, Convert.ToDouble(childT.Width));
                            }
                            dataI = dataI + ;
                        }
                    }
                    else
                    {
                        cells[rowValue, dataI].PutValue(dr[currentT.DataIndex]);
                        if (currentT.Width != null)
                        {
                            cells.SetColumnWidth(dataI, Convert.ToDouble(currentT.Width));
                        }
                        dataI = dataI + ;
                    }

                }
            }
            sheet.AutoFitColumns();
            MemoryStream fileStream = new MemoryStream();
            fileStream = workbook.SaveToStream();
            return fileStream.ToArray();

        }

    }
}

调用实现实例：

        #region 导出费用
        public ActionResult ExcelCost(FeeMainSearch feeMainSearch)
        {
            //查看所有单位的费用
            var payMinList = MainFee.FindFeePayMainComplex(feeMainSearch);
            List<ExcelT> excelTs = new List<ExcelT>();
            //办案单位
            ExcelT unitT = new ExcelT();
            unitT.DataIndex = "UnitName";
            unitT.Head = "办案单位";
            unitT.Width = ;
            excelTs.Add(unitT);
            //案件编号
            ExcelT caseNumberT = new ExcelT();
            caseNumberT.DataIndex = "CaseNumber";
            caseNumberT.Head = "案件编号";
            caseNumberT.Width = ;
            excelTs.Add(caseNumberT);

            //应付费用
            ExcelT realRoomPayT = new ExcelT();
            realRoomPayT.DataIndex = "RealRoomPay";
            realRoomPayT.Head = "房间费用";
            realRoomPayT.Width = ;
            excelTs.Add(realRoomPayT);
            //应付餐费
            ExcelT realFoodFeeT = new ExcelT();
            realFoodFeeT.DataIndex = "RealFoodFee";
            realFoodFeeT.Head = "就餐费用";
            realFoodFeeT.Width = ;
            excelTs.Add(realFoodFeeT);

            //应付物品费用
            ExcelT realGoodFeeT = new ExcelT();
            realGoodFeeT.DataIndex = "RealGoodFee";
            realGoodFeeT.Head = "物品费用";
            realGoodFeeT.Width = ;
            excelTs.Add(realGoodFeeT);
            //应付药费
            ExcelT realMedicFeeT = new ExcelT();
            realMedicFeeT.DataIndex = "RealMedicFee";
            realMedicFeeT.Head = "医药费用";
            realMedicFeeT.Width = ;
            excelTs.Add(realMedicFeeT);

            //应付陪护费
            ExcelT realNurseFeeT = new ExcelT();
            realNurseFeeT.DataIndex = "RealNurseFee";
            realNurseFeeT.Head = "陪护费用";
            realNurseFeeT.Width = ;
            excelTs.Add(realNurseFeeT);
            //其他费用
            ExcelT otherFeeFeeT = new ExcelT();
            otherFeeFeeT.DataIndex = "OtherFee";
            otherFeeFeeT.Head = "其他费用";
            otherFeeFeeT.Width = ;
            excelTs.Add(otherFeeFeeT);
            //应付总计
            ExcelT realMainToalT = new ExcelT();
            realMainToalT.DataIndex = "RealMainToal";
            realMainToalT.Head = "费用总计";
            realMainToalT.Width = ;
            excelTs.Add(realMainToalT);
            //已支付费用
            ExcelT mainPayTotalT = new ExcelT();
            mainPayTotalT.DataIndex = "MainPayTotal";
            mainPayTotalT.Head = "已支付";
            excelTs.Add(mainPayTotalT);
            //已支付费用
            ExcelT noMainPayTotalT = new ExcelT();
            noMainPayTotalT.DataIndex = "NoMainPayTotal";
            noMainPayTotalT.Head = "未支付";
            noMainPayTotalT.Width = ;
            excelTs.Add(noMainPayTotalT);
            );
            return File(fileBytes, "application/ms-excel", Url.Encode("费用单.xls"));
        }
        #endregion