public static string CreateWord()

        {

            //**********************************************

            //来自博客http://blog.csdn.net/fujie724

            //**********************************************

            object oMissing = System.Reflection.Missing.Value;

            //创建一个Word应用程序实例

            Microsoft.Office.Interop.Word._Application oWord = new Microsoft.Office.Interop.Word.Application();

            //设置为不可见

            oWord.Visible = false;

            //模板文件地址，这里假设在X盘根目录   模板word 位置

            object oTemplate = "d://采购单生成表.docx";

            //以模板为基础生成文档

            Microsoft.Office.Interop.Word._Document oDoc = oWord.Documents.Add(ref oTemplate, ref oMissing, ref oMissing, ref oMissing);

            //声明书签数组

            object[] oBookMark = new object[11];

            //赋值书签名  //获取模板 指定书签

            oBookMark[0] = "MerchantName";

            oBookMark[1] = "CustomerName";

            oBookMark[2] = "SHR";

            oBookMark[3] = "PZS";

            oBookMark[4] = "Address";

            oBookMark[5] = "CGDNO";

            oBookMark[6] = "Phone";

            oBookMark[7] = "NO";

            oBookMark[8] = "CreateTime";

            oBookMark[9] = "Table";

            //赋值任意数据到书签的位置

            oDoc.Bookmarks.get_Item(ref oBookMark[0]).Range.Text = "新华瀚品";

            oDoc.Bookmarks.get_Item(ref oBookMark[1]).Range.Text = "李四";

            oDoc.Bookmarks.get_Item(ref oBookMark[2]).Range.Text = "李四";

            oDoc.Bookmarks.get_Item(ref oBookMark[3]).Range.Text = "5";

            oDoc.Bookmarks.get_Item(ref oBookMark[4]).Range.Text = "贺州平山开路区33号";

            oDoc.Bookmarks.get_Item(ref oBookMark[5]).Range.Text = "CGD123456789";

            oDoc.Bookmarks.get_Item(ref oBookMark[6]).Range.Text = "15832665267";

            oDoc.Bookmarks.get_Item(ref oBookMark[7]).Range.Text = "A00001";

            oDoc.Bookmarks.get_Item(ref oBookMark[8]).Range.Text = "2018/01/01";

            Word.Range range = oDoc.Bookmarks.get_Item(ref oBookMark[9]).Range;

            Word.Table textTable = oDoc.Tables.Add(range, 3, 8, ref oMissing, ref oMissing);

            /**表格 水平居中**/

            oWord.Selection.ParagraphFormat.Alignment = Word.WdParagraphAlignment.wdAlignParagraphCenter;

            /**表格 外边线**/

            textTable.Borders.OutsideLineStyle = Word.WdLineStyle.wdLineStyleSingle;

            /**设置 表格外边线 行**/

            for (int k = 1; k <= 3; k++)

            {

                textTable.Rows[k].Borders.OutsideLineStyle = Microsoft.Office.Interop.Word.WdLineStyle.wdLineStyleSingle;

            }

            /**设置 表格外边线 列**/

            for (int k = 1; k <= 8; k++)

            {

                textTable.Columns[k].Borders.OutsideLineStyle = Microsoft.Office.Interop.Word.WdLineStyle.wdLineStyleSingle;

                if (k == 1)

                {

                    textTable.Columns[k].Width = 40f;

                }

            }

            /**垂直居中**/

            object unit = Microsoft.Office.Interop.Word.WdUnits.wdLine;

            object countjz = 1;

            oWord.Selection.MoveEnd(ref unit, ref countjz);

            textTable.Select();

            oWord.Selection.ParagraphFormat.Alignment = Word.WdParagraphAlignment.wdAlignParagraphCenter;//水平居中

            /**设置单元格表头**/

            textTable.Cell(1, 1).Range.Text = "序号";

            textTable.Cell(1, 1).Merge(textTable.Cell(2, 1));//合并得话 是在这里操作

            textTable.Cell(1, 2).Range.Text = "条形码";

            textTable.Cell(1, 2).Merge(textTable.Cell(2, 2));

            textTable.Cell(1, 3).Range.Text = "品名";

            textTable.Cell(1, 3).Merge(textTable.Cell(2, 3));

            textTable.Cell(1, 4).Range.Text = "规格";

            textTable.Cell(1, 4).Merge(textTable.Cell(2, 4));

            textTable.Cell(1, 5).Range.Text = "计量单位";

            textTable.Cell(1, 5).Merge(textTable.Cell(2, 5));

            textTable.Cell(1, 6).Range.Text = "数量";

            textTable.Cell(1, 6).Merge(textTable.Cell(2, 6));

            textTable.Cell(1, 7).Range.Text = "发货价";

            textTable.Cell(1, 7).Merge(textTable.Cell(2, 7));

            textTable.Cell(1, 8).Range.Text = "备注";

            textTable.Cell(1, 8).Merge(textTable.Cell(2, 8));

            textTable.Rows.Select();

            /**设置单元格样式 行**/

            Word.Range rngCell = null;

            for (int i = 1; i <= 8; i++)

            {

                textTable.Cell(1, i).Height = 20f;//设置 行高

                rngCell = textTable.Cell(1, i).Range;

                rngCell.Font.Bold = 1;

                rngCell.Font.Name = "微软雅黑";

                rngCell.Font.Size = 10.5f;

            }

            /**添加 数据行**/

            for (int i = 2; i < 3; i++)

            {

                textTable.Cell(i, 1).Range.Text = (i-1).ToString();

                textTable.Cell(i, 2).Range.Text = "1";

                textTable.Cell(i, 3).Range.Text = "1";

                textTable.Cell(i, 4).Range.Text = "1";

                textTable.Cell(i, 5).Range.Text = "1";

                textTable.Cell(i, 6).Range.Text = "1";

                textTable.Cell(i, 7).Range.Text = "1";

                textTable.Cell(i, 8).Range.Text = "1";

            }

            //保存生成的Word

            object filename = "d://测试.docx";// 要 绝对路径 保存的位置

            oDoc.SaveAs(ref filename, ref oMissing, ref oMissing, ref oMissing,

            ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,

            ref oMissing, ref oMissing, ref oMissing, ref oMissing, ref oMissing,

            ref oMissing, ref oMissing);

            oDoc.Close(ref oMissing, ref oMissing, ref oMissing);

            //关闭word

            oWord.Quit(ref oMissing, ref oMissing, ref oMissing);

            return "";

        }

using Word = Microsoft.Office.Interop.Word;  声明方便使用