C#导出Word

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导出word文档（无模版）：

using Microsoft.Office.Interop.Word;

        public static string CreateWordFile(CaseVM model,string path)
        {
            string message = "";
            try
            {
                Object Nothing = System.Reflection.Missing.Value;
                //Directory.CreateDirectory("C:/CNSI");  //创建文件所在目录
                //string name = "CNSI_" + DateTime.Now.ToLongDateString() + ".doc";
                object filename = path;  //文件保存路径
                //创建Word文档
                Microsoft.Office.Interop.Word.Application WordApp = new Microsoft.Office.Interop.Word.ApplicationClass();
                Microsoft.Office.Interop.Word.Document WordDoc = WordApp.Documents.Add(ref Nothing, ref Nothing, ref Nothing, ref Nothing);
                
                //添加页眉
                WordApp.ActiveWindow.View.Type = WdViewType.wdOutlineView;
                WordApp.ActiveWindow.View.SeekView = WdSeekView.wdSeekPrimaryHeader;
                WordApp.ActiveWindow.ActivePane.Selection.InsertAfter("[国泰安理财规划大赛案例]");
                WordApp.Selection.ParagraphFormat.Alignment = Microsoft.Office.Interop.Word.WdParagraphAlignment.wdAlignParagraphCenter;//设置右对齐
                WordApp.ActiveWindow.View.SeekView = WdSeekView.wdSeekMainDocument;//跳出页眉设置

                WordApp.Selection.ParagraphFormat.LineSpacing = 15f;//设置文档的行间距

                //移动焦点并换行
                object count = 14;
                object WdLine = Microsoft.Office.Interop.Word.WdUnits.wdLine;//换一行;
                WordApp.Selection.MoveDown(ref WdLine, ref count, ref Nothing);//移动焦点

                // 插入段落
                Microsoft.Office.Interop.Word.Paragraph para;
                para = WordDoc.Content.Paragraphs.Add(ref Nothing);


                para.Range.Text = "案例信息";
                //para.Range.Font.Size = 20;
                para.Range.Font.Bold = 2;  
                para.Range.Font.Color = WdColor.wdColorRed;  
                para.Range.Font.Italic = 2;  
                para.Range.InsertParagraphAfter();
                //WordApp.Selection.ParagraphFormat.Alignment = Microsoft.Office.Interop.Word.WdParagraphAlignment.wdAlignParagraphCenter;//水平居中

                para.Range.Text = "客户姓名：" + model.CustomerName;
                //para.Range.Font.Size = 12;
                para.Range.Font.Bold = 1;
                para.Range.Font.Color = WdColor.wdColorBlack;
                para.Range.Font.Italic = 0;  
                para.Range.InsertParagraphAfter();

                para.Range.Text = "身份证号：" + model.IDNum;
                para.Range.InsertParagraphAfter();

                para.Range.Text = "理财类型：" + model.strFinancialType;
                para.Range.InsertParagraphAfter();

                para.Range.Text = "客户背景：" + model.CustomerStory;
                para.Range.InsertParagraphAfter();

                WordApp.Selection.MoveDown(ref WdLine, ref count, ref Nothing);//移动焦点
                WordApp.Selection.MoveDown(ref WdLine, ref count, ref Nothing);//移动焦点

                para.Range.Text = "考核点";
                para.Range.Font.Bold = 2;
                para.Range.Font.Color = WdColor.wdColorRed;
                para.Range.Font.Italic = 2;
                para.Range.InsertParagraphAfter();
                WordApp.Selection.MoveDown(ref WdLine, ref count, ref Nothing);//移动焦点

                para.Range.Font.Bold = 1;
                para.Range.Font.Color = WdColor.wdColorBlack;
                para.Range.Font.Italic = 0;  
                //文档中创建表格
                Microsoft.Office.Interop.Word.Table newTable = WordDoc.Tables.Add(WordApp.Selection.Range, 200, 4, ref Nothing, ref Nothing);
                //设置表格样式
                newTable.Borders.OutsideLineStyle = Microsoft.Office.Interop.Word.WdLineStyle.wdLineStyleThickThinLargeGap;
                newTable.Borders.InsideLineStyle = Microsoft.Office.Interop.Word.WdLineStyle.wdLineStyleSingle;
                newTable.Columns[1].Width = 50f;
                newTable.Columns[2].Width = 50f;
                newTable.Columns[3].Width = 160f;
                newTable.Columns[4].Width = 160f;

                //填充表格内容
                newTable.Cell(1, 1).Range.Text = "序号";
                newTable.Cell(1, 1).Range.Bold = 2;//设置单元格中字体为粗体
                //合并单元格
                //newTable.Cell(1, 1).Merge(newTable.Cell(1, 3));
                WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;//垂直居中
                WordApp.Selection.ParagraphFormat.Alignment = Microsoft.Office.Interop.Word.WdParagraphAlignment.wdAlignParagraphCenter;//水平居中
                newTable.Cell(1, 2).Range.Text = "类型";
                newTable.Cell(1, 2).Range.Bold = 2;//设置单元格中字体为粗体
                //合并单元格
                //newTable.Cell(1, 1).Merge(newTable.Cell(1, 3));
                WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;//垂直居中
                WordApp.Selection.ParagraphFormat.Alignment = Microsoft.Office.Interop.Word.WdParagraphAlignment.wdAlignParagraphCenter;//水平居中
                newTable.Cell(1, 3).Range.Text = "考点";
                newTable.Cell(1, 3).Range.Bold = 2;//设置单元格中字体为粗体
                //合并单元格
                //newTable.Cell(1, 1).Merge(newTable.Cell(1, 3));
                WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;//垂直居中
                WordApp.Selection.ParagraphFormat.Alignment = Microsoft.Office.Interop.Word.WdParagraphAlignment.wdAlignParagraphCenter;//水平居中
                newTable.Cell(1, 4).Range.Text = "答案";
                newTable.Cell(1, 4).Range.Bold = 2;//设置单元格中字体为粗体
                //合并单元格
                //newTable.Cell(1, 1).Merge(newTable.Cell(1, 3));
                WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;//垂直居中
                WordApp.Selection.ParagraphFormat.Alignment = Microsoft.Office.Interop.Word.WdParagraphAlignment.wdAlignParagraphCenter;//水平居中

                int i = 1;
                foreach (var item in model.ExamPointAnswer)
                {
                    i++;
                    //填充表格内容
                    newTable.Cell(i, 1).Range.Text =(i-1).ToString();
                    WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;
                    newTable.Cell(i, 2).Range.Text = item.strExamType;
                    WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;
                    newTable.Cell(i, 3).Range.Text = item.strExamPoint;
                    WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;
                    newTable.Cell(i, 4).Range.Text = item.Answer;
                    WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;
                }





                ////填充表格内容
                //newTable.Cell(2, 1).Range.Text = "产品基本信息";
                //newTable.Cell(2, 1).Range.Font.Color = Microsoft.Office.Interop.Word.WdColor.wdColorDarkBlue;//设置单元格内字体颜色
                ////合并单元格
                //newTable.Cell(2, 1).Merge(newTable.Cell(2, 3));
                //WordApp.Selection.Cells.VerticalAlignment = Microsoft.Office.Interop.Word.WdCellVerticalAlignment.wdCellAlignVerticalCenter;

                ////填充表格内容
                //newTable.Cell(3, 1).Range.Text = "品牌名称：";
                //newTable.Cell(3, 2).Range.Text = "BrandName";
                ////纵向合并单元格
                //newTable.Cell(3, 3).Select();//选中一行
                //object moveUnit = Microsoft.Office.Interop.Word.WdUnits.wdLine;
                //object moveCount = 5;
                //object moveExtend = Microsoft.Office.Interop.Word.WdMovementType.wdExtend;
                //WordApp.Selection.MoveDown(ref moveUnit, ref moveCount, ref moveExtend);
                //WordApp.Selection.Cells.Merge();
                ////////插入图片
                //////string FileName = @"c:\picture.jpg";//图片所在路径
                //////object LinkToFile = false;
                //////object SaveWithDocument = true;
                //////object Anchor = WordDoc.Application.Selection.Range;
                //////WordDoc.Application.ActiveDocument.InlineShapes.AddPicture(FileName, ref LinkToFile, ref SaveWithDocument, ref Anchor);
                //////WordDoc.Application.ActiveDocument.InlineShapes[1].Width = 100f;//图片宽度
                //////WordDoc.Application.ActiveDocument.InlineShapes[1].Height = 100f;//图片高度
                ////////将图片设置为四周环绕型
                //////Microsoft.Office.Interop.Word.Shape s = WordDoc.Application.ActiveDocument.InlineShapes[1].ConvertToShape();
                //////s.WrapFormat.Type = Microsoft.Office.Interop.Word.WdWrapType.wdWrapSquare;

                //newTable.Cell(12, 1).Range.Text = "产品特殊属性";
                //newTable.Cell(12, 1).Merge(newTable.Cell(12, 3));
                ////在表格中增加行
                //WordDoc.Content.Tables[1].Rows.Add(ref Nothing);

                //WordDoc.Paragraphs.Last.Range.Text = "文档创建时间：" + DateTime.Now.ToString();//“落款”
                //WordDoc.Paragraphs.Last.Alignment = Microsoft.Office.Interop.Word.WdParagraphAlignment.wdAlignParagraphRight;

                //文件保存
                WordDoc.SaveAs(ref filename, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing, ref Nothing);
                WordDoc.Close(ref Nothing, ref Nothing, ref Nothing);
                WordApp.Quit(ref Nothing, ref Nothing, ref Nothing);
                //message = name + "文档生成成功，以保存到C:CNSI下";
            }
            catch
            {
                message = "文件导出异常！";
            }
            return message;
        }

MS参照：http://www.cnblogs.com/haoxuan/articles/5135599.html

using Aspose.Words;

public static string CreateWordFile2(CaseVM model, string path)
        {
            string message = "";
            try
            {
                Aspose.Words.Document doc = new Aspose.Words.Document();
                DocumentBuilder builder = new DocumentBuilder(doc);

                builder.PageSetup.DifferentFirstPageHeaderFooter = true;
                builder.PageSetup.OddAndEvenPagesHeaderFooter = true;
                builder.MoveToHeaderFooter(HeaderFooterType.HeaderFirst);
                builder.Font.Color = Color.Blue;
                builder.Font.Size = 12;
                builder.Write("[国泰安理财规划大赛案例]");
                builder.ParagraphFormat.Alignment = ParagraphAlignment.Center;

                builder.MoveToDocumentStart();
                builder.ParagraphFormat.Alignment = ParagraphAlignment.Left;
                builder.Font.Color = Color.Red;
                builder.Font.Bold = true;
                builder.Font.Italic = true;
                builder.Writeln("案例信息");
                builder.InsertBreak(BreakType.LineBreak);

                builder.Font.Color = Color.Black;
                builder.Font.Bold = false;
                builder.Font.Italic = false;
                builder.Writeln("客户姓名：" + model.CustomerName);
                builder.Writeln("身份证号：" + model.IDNum);
                builder.Writeln("理财类型：" + model.strFinancialType);
                builder.Writeln("客户背景：" + model.CustomerStory);
                builder.InsertBreak(BreakType.LineBreak);

                builder.Font.Color = Color.Red;
                builder.Font.Bold = true;
                builder.Font.Italic = true;
                builder.Writeln("考核点");
                builder.InsertBreak(BreakType.LineBreak);
                builder.Font.Color = Color.Black;
                builder.Font.Bold = false;
                builder.Font.Italic = false;

                
                builder.CellFormat.Borders.LineStyle = LineStyle.Single;
                builder.CellFormat.Borders.Color = Color.Black;

                builder.InsertCell();
                builder.Write("序号");
                builder.InsertCell();
                builder.Write("类型");
                builder.InsertCell();
                builder.Write("考点");
                builder.InsertCell();
                builder.Write("答案");
                builder.EndRow();

                int i = 1;
                foreach (var item in model.ExamPointAnswer)
                {
                    i++;
                    builder.InsertCell();
                    builder.Write((i - 1).ToString());
                    builder.InsertCell();
                    builder.Write(item.strExamType == null ? "" : item.strExamType);
                    builder.InsertCell();
                    builder.Write(item.strExamPoint == null ? "" : item.strExamPoint);
                    builder.InsertCell();
                    builder.Write(item.Answer == null ? "" : item.Answer);
                    builder.EndRow();
                }
                builder.EndTable();
                doc.Save(path);

            }
            catch
            {
                message = "文件导出异常！";
            }
            return message;
        }

Aspose参照（含源码）：http://blog.csdn.net/fraing/article/details/8989736

根据数据导出word文档（有模版）：

Aspose参照：http://www.cnblogs.com/jingshuisihan/p/4604260.html

MS参照：http://bbs.csdn.net/topics/390946804?page=1

导入xls/xlsx到DataTable:

HSSFWorkbook: http://www.cnblogs.com/songrun/p/3547738.html

OLEDB:

HDR=Yes，这代表第一行是标题，不做为数据使用；IMEX ( IMport EXport mode )设置
　　IMEX 有三种模式：
　　0 is Export mode
　　1 is Import mode
　　2 is Linked mode (full update capabilities)
　　我这里特别要说明的就是 IMEX 参数了，因为不同的模式代表著不同的读写行为：
　　当 IMEX=0 时为“汇出模式”，这个模式开启的 Excel 档案只能用来做“写入”用途。
　　当 IMEX=1 时为“汇入模式”，这个模式开启的 Excel 档案只能用来做“读取”用途。
　　当 IMEX=2 时为“连结模式”，这个模式开启的 Excel 档案可同时支援“读取”与“写入”用途。

Aspose:

        /// <summary>
        /// HSSFWorkbook读取xls
        /// </summary>
        /// <param name="filepath">文件路径</param>
        /// <returns></returns>
        public static DataTable GetExcelToDataTableByNPOI(string filepath)
        {
            NPOI.HSSF.UserModel.HSSFWorkbook hssworkbook;
            using (FileStream file = new FileStream(filepath, FileMode.Open, FileAccess.Read))
            {
                hssworkbook = new NPOI.HSSF.UserModel.HSSFWorkbook(file);
            }
            ISheet sheet = hssworkbook.GetSheetAt(0);
            IRow headerRow = sheet.GetRow(0);
            int rowCount = sheet.LastRowNum;
            int cellCount = headerRow.LastCellNum;
            DataTable dt = new DataTable();
            for (int j = 0; j < cellCount; j++)
            {
                dt.Columns.Add(Convert.ToChar(((int)('A')) + j).ToString());
            }
            for (int r = (sheet.FirstRowNum + 1); r <= rowCount; r++)
            {
                IRow row = sheet.GetRow(r);  //读取当前行数据
                if (row != null)
                {
                    DataRow dr = dt.NewRow();
                    cellCount = row.LastCellNum;
                    bool isCellNull = true;
                    for (int i = 0; i < cellCount; i++)
                    {
                        ICell cell = row.GetCell(i);
                        if (cell == null)
                        {
                            dr[i] = "";
                        }
                        else
                        {
                            cell.SetCellType(NPOI.SS.UserModel.CellType.STRING);
                            dr[i] = cell.StringCellValue;
                            if (isCellNull)
                            {
                                if (!string.IsNullOrWhiteSpace(cell.StringCellValue))
                                {
                                    isCellNull = false;
                                }
                            }
                        }
                    }
                    if (!isCellNull)
                    {
                        dt.Rows.Add(dr);
                    }
                }
            }
            return dt;
        }

        /// <summary>
        /// OleDb读取xls/xlsx
        /// </summary>
        /// <param name="filepath">文件路径</param>
        /// <returns></returns>
        public static DataTable GetExcelToDataTableByOleDb(string filepath)
        {
            string strCon = "";
            if (filepath.IndexOf(".xlsx") != -1)
                strCon = "Provider=Microsoft.ACE.OLEDB.12.0;" + "Data Source=" + filepath + ";" + ";Extended Properties=\"Excel 12.0;HDR=YES;IMEX=1\"";
            else if (filepath.IndexOf(".xls") != -1)
                strCon = "Provider=Microsoft.Jet.OLEDB.4.0;" + "Data Source=" + filepath + ";" + ";Extended Properties=\"Excel 8.0;HDR=YES;IMEX=1\"";

            string strCom = " SELECT * FROM [Sheet1$]";

            DataTable dt_temp = new DataTable();
            using (OleDbConnection myConn = new OleDbConnection(strCon))
            using (OleDbDataAdapter myCommand = new OleDbDataAdapter(strCom, myConn))
            {
                myConn.Open();
                myCommand.Fill(dt_temp);
            }

            return dt_temp;
        }


        /// <summary>
        /// Aspose读取xls/xlsx
        /// </summary>
        /// <param name="filepath">文件路径</param>
        /// <returns></returns>
        public static DataTable GetExcelToDataTableByAspose(string filepath)
        {
            DataTable dt_temp = new DataTable();
            try
            {
                Aspose.Cells.Workbook oBook = new Aspose.Cells.Workbook(filepath);
                Cells cells = oBook.Worksheets[0].Cells;
                dt_temp = cells.ExportDataTable(0, 0, cells.MaxDataRow + 1, cells.MaxColumn + 1);
            }
            catch (Exception ex)
            {
            }
            return dt_temp;
        }