如何使用C#从Word文档中的表中读取值 [英] How to read values from a table in a word doc using C#

问题描述

我正在尝试连接到Microsoft Word文档(.docx)，以从位于.docx中的表中读取值.我正在使用Open-XML SDK 2.0建立与.docx文件的连接.到目前为止，在寻找示例和想法之后，我有了这个

I'm trying to connect to a Microsoft word document (.docx) to read values from tables located in the .docx. I'm using Open-XML SDK 2.0 to make the connection to the .docx file. So far after looking for examples and ideas, I have this,

public static string TextFromWord(string file)
{
  const string wordmlNamespace = "http://schemas.openxmlformats.org/wordprocessingml/2006/main";

    StringBuilder textBuilder = new StringBuilder();
    using (WordprocessingDocument wDoc = WordprocessingDocument.Open(filename,false))
      {
          //Manage namespaces to perform Xpath queries
          NameTable nt = new NameTable();
          XmlNamespaceManager nsManger = new XmlNamespaceManger(nt);
          nsManager.AddNamespace("w", wordmlNamespace);

          //Get the document part from the package.
          //Load the XML in the document part into an XmlDocument instance.
          XmlDocument xdoc = new XmlDocument(nt);
          xdoc.Load(wdDoc.MainDocumentPart.GetStream());

          XmlNodeList paragraphNodes = xdoc.SelectNodes("//w:p", nsManager);
          foreach (XmlNode paragraphNode in paragraphNodes)
          {
            XmlNodeList textNodes = paragraphNode.SelectNodes(".//w:t", nsmanager);
            foreach (System.Xml.XmlNode textNode in textNodes)
            {
              textBuilder.Append(textNode.InnerText);
            }
            textBuilder.Append(Environment.NewLine);
          }

         }
      return textBuilder.ToString();
}

当.docx中只有文本时，该代码有效，但当文本位于表中时，该代码将失败.有没有一种方法可以解决此问题，使其可以与.docx中的表一起使用?

The code works when there is just text in the .docx but fails when the text is in tables. Is there a way to fix this so it can work with tables in a .docx?

推荐答案

尝试对您的方法进行以下简单的重写.它用 OpenXML元素(文档，正文，段落，表格，行，单元格，后代等).请安装并使用OpenXML 2.5 SDK .

Try the following simple re-write of your method. It replaces your System.XML calls and namespace items with OpenXML elements (Document, Body, Paragraph, Table, Row, Cell, Descendants, etc) . Please install and use the OpenXML 2.5 SDK.

    public static string TextFromWord(string filename)
    {
        StringBuilder textBuilder = new StringBuilder();
        using (WordprocessingDocument wDoc = WordprocessingDocument.Open(filename, false))
        {
            var parts = wDoc.MainDocumentPart.Document.Descendants().FirstOrDefault();
            if (parts != null)
            {
                foreach (var node in parts.ChildElements)
                {
                    if(node is Paragraph)
                    {
                        ProcessParagraph((Paragraph)node, textBuilder);
                        textBuilder.AppendLine("");
                    }

                    if (node is Table)
                    {
                        ProcessTable((Table)node, textBuilder);
                    }
                }
            }
        }
        return textBuilder.ToString();
    }

    private static void ProcessTable(Table node, StringBuilder textBuilder)
    {
        foreach (var row in node.Descendants<TableRow>())
        {
            textBuilder.Append("| ");
            foreach (var cell in row.Descendants<TableCell>())
            {
                foreach (var para in cell.Descendants<Paragraph>())
                {
                    ProcessParagraph(para, textBuilder);
                }
                textBuilder.Append(" | ");
            }
            textBuilder.AppendLine("");
        }
    }

    private static void ProcessParagraph(Paragraph node, StringBuilder textBuilder)
    {
        foreach(var text in node.Descendants<Text>())
        {
            textBuilder.Append(text.InnerText);
        }
    }

注意-此代码仅适用于包含段落和表格的简单Word文档.该代码尚未在复杂的Word文档上进行过测试.

Note - this code will only work on simple Word documents that consist of Paragraphs and Tables. This code has not been tested on complex word documents.

以下文档已在控制台应用程序中使用以上代码处理:

The following document was processed with the above code in a Console app:

以下是文本输出:

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