using Spire.Doc;
using Spire.Doc.Documents;
using Spire.Doc.Fields;
using System.Drawing;

namespace InsertFootnote_Doc
{
 class Program
 {
 static void Main(string[] args)
 {
  //新建一个word文档对象并加载需要添加脚注尾注的word文档
  Document document = new Document();
  document.LoadFromFile("sample.docx", FileFormat.Docx2010);

  //获取第3个段落
  Paragraph paragraph = document.Sections[0].Paragraphs[2];

  //添加脚注
  Footnote footnote = paragraph.AppendFootnote(FootnoteType.Footnote);

  //在第一段里查找指定字符串，并添加脚注
  DocumentObject obj = null;

  for (int i = 0; i < paragraph.ChildObjects.Count; i++)
  {
  obj = paragraph.ChildObjects[i];
  if (obj.DocumentObjectType == DocumentObjectType.TextRange)
  {
   TextRange textRange = obj as TextRange;

   if (textRange.Text == "中国——东盟自贸区框架")
   {
   //为添加脚注的字符串设置加粗格式
   textRange.CharacterFormat.Bold = true;
   //插入脚注
   paragraph.ChildObjects.Insert(i + 1, footnote);
   break;
   }
  }
  }

  //添加脚注内容被设置字体格式
  TextRange text = footnote.TextBody.AddParagraph().AppendText("2002年11月4日，朱镕基总理和东盟10国领导人共同签署了《中国-东盟全面经济合作框架协议》，这标志着中国与东盟的经贸合作进入了一个新的历史阶段。");
  text.CharacterFormat.FontName = "Arial Black";
  text.CharacterFormat.FontSize = 9;
  text.CharacterFormat.TextColor = Color.DarkGray;
  footnote.MarkerCharacterFormat.FontName = "Calibri";
  footnote.MarkerCharacterFormat.FontSize = 12;
  footnote.MarkerCharacterFormat.Bold = true;
  footnote.MarkerCharacterFormat.TextColor = Color.DarkGreen;


  //获取第5段落
  Paragraph paragraph3 = document.Sections[0].Paragraphs[4];

  //添加尾注并设置尾注和格式
  Footnote endnote = paragraph3.AppendFootnote(FootnoteType.Endnote);

  TextRange text2 = endnote.TextBody.AddParagraph().AppendText("党的十七大报告明确指出："
  +"“坚持对外开放的基本国策，把‘引进来'和‘走出去'更好地结合起来,"
  +"扩大开放领域，优化开放结构，提高开放质量，完善内外联动，"
  +"互利共赢、安全高效的开放型经济体系，形成经济全球化条件下参与国际经济合作和竞争的新优势。");
  text2.CharacterFormat.FontName = "Arial Black";
  text2.CharacterFormat.FontSize = 9;
  text2.CharacterFormat.TextColor = Color.Black;
  endnote.MarkerCharacterFormat.FontName = "Calibri";
  endnote.MarkerCharacterFormat.FontSize = 12;
  endnote.MarkerCharacterFormat.Bold = false;
  endnote.MarkerCharacterFormat.TextColor = Color.DarkGreen;

  //保存并打开文档
  document.SaveToFile("添加脚注尾注.docx", FileFormat.Docx2010);
  System.Diagnostics.Process.Start("添加脚注尾注.docx");
 }
 }
}

//创建Document类对象，加载需要测试的文档
  Document document = new Document();
  document.LoadFromFile("添加脚注尾注.docx");
  //获取文档第一个section
  Section section = document.Sections[0];

  //实例化StringBuilder类 
  StringBuilder sb = new StringBuilder();

  //遍历文档中所有段落
  foreach (Paragraph paragraph in section.Paragraphs)
  {
  for (int i = 0, cnt = paragraph.ChildObjects.Count; i < cnt; i++)
  {
   ParagraphBase pBase = paragraph.ChildObjects[i] as ParagraphBase;
   if (pBase is Footnote)
   {
   //若需要读取尾注，将此处FootnoteType.Footnote改成 FootnoteType.Endnote即可
   if ((pBase as Footnote).FootnoteType == FootnoteType.Footnote)
   {
    foreach (Paragraph footPara in (pBase as Footnote).TextBody.Paragraphs)
    {
    sb.Append(footPara.Text);
    }
   }
   }
  }
  }
//将读取内容写入文本并保存
File.WriteAllText("FootNotes.txt", sb.ToString());
//打开文档
System.Diagnostics.Process.Start("FootNotes.txt");