word文档中经常会使用脚注和尾注来为文档添加说明。脚注一般位于当前页面的底部或文字下方，用于作为文档某处内容的注释。而尾注一般位于文档的末尾，列出引文的出处等。该文章主要描述如何使用C# 为Word文档添加脚注尾注。

//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("Test.docx", FileFormat.Docx2010);

//获取第一个段落
Paragraph paragraph = document.Sections[0].Paragraphs[0];

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

//在第一段里查找字符串“Spire.Doc for .NET” 并用来添加脚注
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 == "Spire.Doc for .NET")
        {
            //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;
        }
    }
}

//添加脚注内容并设置字体格式
TextRange text = footnote.TextBody.AddParagraph().AppendText("Spire.Doc脚注");
text.CharacterFormat.FontName = "Arial Black";
text.CharacterFormat.FontSize = 10;
text.CharacterFormat.TextColor = Color.DarkGray;
footnote.MarkerCharacterFormat.FontName = "Calibri";
footnote.MarkerCharacterFormat.FontSize = 12;
footnote.MarkerCharacterFormat.Bold = true;
footnote.MarkerCharacterFormat.TextColor = Color.DarkGreen;


//获取第三段落
Paragraph paragraph2 = document.Sections[0].Paragraphs[2];

//添加尾注并设置尾注和格式
Footnote endnote = paragraph2.AppendFootnote(FootnoteType.Endnote);

TextRange text2 = endnote.TextBody.AddParagraph().AppendText("Spire.Doc尾注");
text2.CharacterFormat.FontName = "Arial Black";
text2.CharacterFormat.FontSize = 10;
text2.CharacterFormat.TextColor = Color.DarkGray;
endnote.MarkerCharacterFormat.FontName = "Calibri";
endnote.MarkerCharacterFormat.FontSize = 12;
endnote.MarkerCharacterFormat.Bold = true;
endnote.MarkerCharacterFormat.TextColor = Color.DarkGreen;

//保存文档
document.SaveToFile("添加脚注尾注.docx", FileFormat.Docx2010);

'新建一个word文档对象并加载需要添加脚注尾注的word文档
Dim document As Document = New Document
document.LoadFromFile("Test.docx", FileFormat.Docx2010)

'获取第一个段落
Dim paragraph As Paragraph = document.Sections(0).Paragraphs(0)

'添加脚注
Dim footnote As Footnote = paragraph.AppendFootnote(FootnoteType.Footnote)

'在第一段里查找字符串“Spire.Doc for .NET” 并用来添加脚注
Dim obj As DocumentObject = Nothing
Dim i As Integer = 0
Do While (i < paragraph.ChildObjects.Count)
    obj = paragraph.ChildObjects(i)
    If (obj.DocumentObjectType = DocumentObjectType.TextRange) Then
        Dim textRange As TextRange = CType(obj,TextRange)
        If (textRange.Text = "Spire.Doc for .NET") Then
            '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)
            Exit For
        End If
        
    End If
    
    i = (i + 1)
Loop

'添加脚注内容并设置字体格式
Dim text As TextRange = footnote.TextBody.AddParagraph.AppendText("Spire.Doc脚注")
text.CharacterFormat.FontName = "Arial Black"
text.CharacterFormat.FontSize = 10
text.CharacterFormat.TextColor = Color.DarkGray
footnote.MarkerCharacterFormat.FontName = "Calibri"
footnote.MarkerCharacterFormat.FontSize = 12
footnote.MarkerCharacterFormat.Bold = true
footnote.MarkerCharacterFormat.TextColor = Color.DarkGreen

'获取第三段落
Dim paragraph2 As Paragraph = document.Sections(0).Paragraphs(2)

'添加尾注并设置尾注和格式
Dim endnote As Footnote = paragraph2.AppendFootnote(FootnoteType.Endnote)
Dim text2 As TextRange = endnote.TextBody.AddParagraph.AppendText("Spire.Doc尾注")
text2.CharacterFormat.FontName = "Arial Black"
text2.CharacterFormat.FontSize = 10
text2.CharacterFormat.TextColor = Color.DarkGray
endnote.MarkerCharacterFormat.FontName = "Calibri"
endnote.MarkerCharacterFormat.FontSize = 12
endnote.MarkerCharacterFormat.Bold = true
endnote.MarkerCharacterFormat.TextColor = Color.DarkGreen

'保存文档
document.SaveToFile("添加脚注尾注.docx", FileFormat.Docx2010)

Word脚注尾注效果图：