/// 
        /// 替换word中指定内容        /// 
        /// 路径        /// 被替换内容        /// 替换内容        /// 
             public string ReplaceValueByKeyName(string wordPath, string keyName, string keyValue)        {            FileStream fs = new FileStream(wordPath, FileMode.OpenOrCreate, FileAccess.ReadWrite);            XWPFDocument docx = new XWPFDocument(fs);//打开07（.docx）以上的版本的文档            //遍历word中的段落            foreach (var para in docx.Paragraphs)            {                if (!para.ParagraphText.Contains(keyName)) continue;                para.ReplaceText(para.ParagraphText, keyValue); // NewLine(para, "测试换行");            }            FileStream output = new FileStream(wordPath, FileMode.Create);            docx.Write(output);            fs.Close();            fs.Dispose();            output.Close();            output.Dispose();            return wordPath;        }

　　　　/// 
        /// 替换指定内容为图片|图片居中        /// 
        /// 文件路径        /// 需被替换内容        /// 图片路径        /// 图片类型        public void InsertImgToKey(string wordPath, string keyName, string imgPath, PictureType imgType = PictureType.JPEG)        {            FileStream fs = new FileStream(wordPath, FileMode.Open, FileAccess.Read);            XWPFDocument myDocx = new XWPFDocument(fs);//打开07（.docx）以上的版本的文档            //遍历word中的段落            foreach (var para in myDocx.Paragraphs)            {                if (!para.ParagraphText.Contains(keyName)) continue;                para.ReplaceText(para.ParagraphText, string.Empty);                XWPFRun run = para.CreateRun();                using (FileStream picData = new FileStream(imgPath, FileMode.Open, FileAccess.Read))                {                    run.AddPicture(picData, (int)imgType, imgPath, 100 * 9525, 100 * 9525);                }                para.Alignment = ParagraphAlignment.CENTER;                break;            }            //遍历表格                  foreach (var table in myDocx.Tables)            {                foreach (var row in table.Rows)                {                    foreach (var cell in row.GetTableCells())                    {                        foreach (var para in cell.Paragraphs)                        {                            if (!para.ParagraphText.Contains(keyName)) continue;                            para.ReplaceText(para.ParagraphText, string.Empty);                            XWPFRun run = para.CreateRun();                            using (FileStream picData = new FileStream(imgPath, FileMode.Open, FileAccess.Read))                            {                                run.AddPicture(picData, (int)imgType, imgPath, 100 * 9525, 100 * 9525);                            }                            para.Alignment = ParagraphAlignment.CENTER;                            break;                        }                    }                }            }            FileStream output = new FileStream(wordPath, FileMode.Create);            myDocx.Write(output);            fs.Close();            fs.Dispose();            output.Close();            output.Dispose();        }

 

 换行

private void NewLine(XWPFParagraph paragraph)        {            paragraph.CreateRun().AddCarriageReturn();//新增式换行--当前行之后            paragraph.CreateRun().SetText("");            //para.InsertNewRun(row).AddCarriageReturn();  //插入式换行--当前行之前            //para.InsertNewRun(row).SetText("换行001");        }

注：换行问题，不同版本的word或者npoi 版本操作方式存在不一致现象，需要亲测

private void NewLine(XWPFParagraph paragraph, string value)        {            value = value + "\r\n";            //paragraph.CreateRun().AddCarriageReturn();//新增式换行--当前行之后            paragraph.CreateRun().SetText(value);            //paragraph.CreateRun().AddCarriageReturn();            //paragraph.CreateRun().Paragraph.CreateRun().AddCarriageReturn();            //paragraph.CreateRun().Paragraph.CreateRun().SetText(value);        }