C#读word 追加内容

最新推荐文章于 2024-08-27 10:08:30 发布

abaal888

最新推荐文章于 2024-08-27 10:08:30 发布

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文章标签： c# object null exception string 文档

本博客介绍了一个用于读取Word文档中所有文字内容（不含表格）并将其转换为纯文本的方法，同时提供了在Word文档末尾追加文本的功能。通过使用Word应用程序类，实现了文件的打开、读取、关闭及文档的激活、保存等操作。

#region 读取word
        /// <summary>
        /// 读取word所有文字内容（不包含表格）
        /// </summary>
        /// <returns>word中的字符内容(纯文本)</returns>
        public string ReadAllFromWord()
        {
            Word.ApplicationClass app = null;
            Word.Document doc = null;
            object missing = System.Reflection.Missing.Value;
            object FileName = m_FilePath;//@"E:/学习试验项目/ReadFromWordDoc/test.doc";
            object readOnly = true;
            object isVisible = false;
            try
            {
                app = new Word.ApplicationClass();
                doc = app.Documents.Open(ref FileName, ref missing, ref readOnly,
                    ref missing, ref missing, ref missing, ref missing, ref missing,
                    ref missing, ref missing, ref missing, ref isVisible, ref missing,
                    ref missing, ref missing, ref missing);

                string textString = "";
                //读取全部内容
                textString = doc.Content.Text.Trim();
//                int ParCount = this.getParCount(doc);//段数
//                for (int i = 1 ; i <= ParCount ; i++)
//                {
//                    textString = textString + doc.Paragraphs[i].Range.Text.Trim();//doc.Content.Text.Trim();//
//                }
                textString = textString.Replace("/a","");    //替换空串为空。（word中/a代表空串，但在C#中，代表响铃晕～～）否则显示控制台程序时会响
                textString = textString.Replace("/r","/n");    //替换回车为回车换行
                return textString;
            }
            catch(Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (doc != null)
                {
                    try
                    {
                        doc.Close(ref missing, ref missing, ref missing);
                    }
                    catch
                    {}
                    doc = null;
                }
                if (app != null)
                {
                    try
                    {
                        app.Quit(ref missing, ref missing, ref missing);
                    }
                    catch
                    {}
                    app = null;
                }
                GC.Collect();
                GC.WaitForPendingFinalizers();

            }
        }
        #endregion

#region 追加写入word /// <summary>
        /// 追加写入word
        /// </summary>
        /// <param name="InsertText">需要写入的字符串</param>
        public void WriteToWord(string InsertText)
        {
            Word.ApplicationClass app = null;
            Word.Document doc = null;
            object missing = System.Reflection.Missing.Value;
            object FileName = m_FilePath;//@"E:/学习试验项目/ReadFromWordDoc/test.doc";
            object readOnly = false;
            object isVisible = false;
            try
            {
                app = new Word.ApplicationClass();
                doc = app.Documents.Open(ref FileName, ref missing, ref readOnly,
                    ref missing, ref missing, ref missing, ref missing, ref missing,
                    ref missing, ref missing, ref missing, ref isVisible, ref missing,
                    ref missing, ref missing, ref missing);
                //激活word文档
                doc.Activate();
                //追加到最后一段(段落是按照 /n 来作为标志的)
                doc.Paragraphs.Last.Range.Text = InsertText + "/n";//加个结束符(增加一段),否则再次插入的时候就成了替换.
                //保存
                doc.Save();
            }
            catch(Exception ex)
            {
                throw ex;
            }
            finally
            {
                if (doc != null)
                {
                    try
                    {
                        doc.Close(ref missing, ref missing, ref missing);
                    }
                    catch
                    {}
                    doc = null;
                }
                if (app != null)
                {
                    try
                    {
                        app.Quit(ref missing, ref missing, ref missing);
                    }
                    catch
                    {}
                    app = null;
                }
                GC.Collect();
                GC.WaitForPendingFinalizers();
            }
        }

        #endregion