使用c#使用open xml替换word表格中的标记

using DocumentFormat.OpenXml;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Wordprocessing;

using (WordprocessingDocument doc = WordprocessingDocument.Open("path_to_word_document", true))
{
    // 执行替换操作
}

var paragraphs = doc.MainDocumentPart.Document.Body.Elements<Paragraph>();
foreach (var paragraph in paragraphs)
{
    var table = paragraph.Elements<Table>().FirstOrDefault();
    if (table != null)
    {
        // 执行替换操作
        break;
    }
}

var cells = table.Elements<TableRow>().SelectMany(tr => tr.Elements<TableCell>());
foreach (var cell in cells)
{
    foreach (var text in cell.Descendants<Text>())
    {
        if (text.Text.Contains("标记"))
        {
            text.Text = text.Text.Replace("标记", "替换内容");
        }
    }
}

doc.Save();
doc.Close();