C#/VB.NET实现在Word中插入或删除脚注

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

namespace AddFootnote
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建Document实例
            Document document = new Document();

            //加载Word文档示例
            document.LoadFromFile("我与地坛.docx");

            //获取第一节
            Section section = document.Sections[0];

            //获取节中的指定段落
            Paragraph paragraph = section.Paragraphs[1];

            //在段落末尾添加脚注
            Footnote footnote = paragraph.AppendFootnote(FootnoteType.Footnote);

            //设置脚注的文本内容
            TextRange text = footnote.TextBody.AddParagraph().AppendText("即使世界毁灭，那又怎样，天地崩塌，于我何干，我在乎的只有他。");

            //设置文本字体和颜色
            text.CharacterFORMat.FontName = "宋体";
            text.CharacterFormat.FontSize = 12;
            text.CharacterFormat.TextColor = Color.DarkBlue;

            //设置脚注上标数字的格式
            footnote.MarkerCharacterFormat.FontName = "Calibri";
            footnote.MarkerCharacterFormat.FontSize = 15; 
            footnote.MarkerCharacterFormat.Bold = true;
            footnote.MarkerCharacterFormat.TextColor = Color.DarkCyan;

            //保存结果文档
            document.SaveToFile("添加脚注.docx", FileFormat.Docx);

        }
    }
}

Imports Spire.Doc
Imports Spire.Doc.Documents
Imports Spire.Doc.Fields
Imports System.Drawing

Namespace AddFootnote
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            '创建Document实例
            Dim document As Document = New Document()

            '加载Word文档示例
            document.LoadFromFile("我与地坛.docx")

            '获取第一节
            Dim section As Section = document.Sections(0)

            '获取节中的指定段落
            Dim paragraph As Paragraph = section.Paragraphs(1)

            '在段落末尾添加脚注
            Dim footnote As Footnote = paragraph.AppendFootnote(FootnoteType.Footnote)

            '设置脚注的文本内容
            Dim text As TextRange = footnote.TextBody.AddParagraph().AppendText("即使世界毁灭，那又怎样，天地崩塌，于我何干，我在乎的只有他。")

            '设置文本字体和颜色
            text.CharacterFormat.FontName = "宋体"
            text.CharacterFormat.FontSize = 12
            text.CharacterFormat.TextColor = Color.DarkBlue

            '设置脚注上标数字的格式
            footnote.MarkerCharacterFormat.FontName = "Calibri"
            footnote.MarkerCharacterFormat.FontSize = 15
            footnote.MarkerCharacterFormat.Bold = True
            footnote.MarkerCharacterFormat.TextColor = Color.DarkCyan

            '保存结果文档
            document.SaveToFile("添加脚注.docx", FileFormat.Docx)

        End Sub
    End Class
End Namespace

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

namespace InsertFootnote
{
    class Program
    {
        static void Main(string[] args)
        {
            //创建Document实例
            Document document = new Document();

            //加载Word文档示例
            document.LoadFromFile("我与地坛.docx");

            //查找指定的文本字符串
            TextSelection selection = document.FindString("最苦的母亲", false, true);

            //获取指定文本的文本范围
            TextRange textRange = selection.GetAsOneRange();

            //获取文本范围所在的段落
            Paragraph paragraph = textRange.OwnerParagraph;

            //获取段落中文本范围的位置索引
            int index = paragraph.ChildObjects.IndexOf(textRange);

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

            //在指定段落后插入脚注
            paragraph.ChildObjects.Insert(index + 1, footnote);

            //设置脚注的文本内容
            TextRange text = footnote.TextBody.AddParagraph().AppendText("不知道儿子的不幸在母亲那儿总是要加倍的。");

            //设置文本字体和颜色
            text.CharacterFormat.FontName = "宋体";
            text.CharacterFormat.FontSize = 12;
            text.CharacterFormat.TextColor = Color.DarkBlue;

            //设置脚注上标数字的格式
            footnote.MarkerCharacterFormat.FontName = "Calibri";
            footnote.MarkerCharacterFormat.FontSize = 15;
            footnote.MarkerCharacterFormat.Bold = true;
            footnote.MarkerCharacterFormat.TextColor = Color.DarkGreen;

            //保存结果文档
            document.SaveToFile("插入脚注.docx", FileFormat.Docx);
        }
    }
}

Imports Spire.Doc
Imports Spire.Doc.Documents
Imports Spire.Doc.Fields
Imports System.Drawing

Namespace InsertFootnote
    Friend Class Program
        Private Shared Sub Main(ByVal args As String())
            '创建Document实例
            Dim document As Document = New Document()

            '加载Word文档示例
            document.LoadFromFile("我与地坛.docx")

            '查找指定的文本字符串
            Dim selection As TextSelection = document.FindString("最苦的母亲", False, True)

            '获取指定文本的文本范围
            Dim textRange As TextRange = selection.GetAsOneRange()

            '获取文本范围所在的段落
            Dim paragraph As Paragraph = textRange.OwnerParagraph

            '获取段落中文本范围的位置索引
            Dim index As Integer = paragraph.ChildObjects.IndexOf(textRange)

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

            '在指定段落后插入脚注
            paragraph.ChildObjects.Insert(index + 1, footnote)

            '设置脚注的文本内容
            Dim text As TextRange = footnote.TextBody.AddParagraph().AppendText("不知道儿子的不幸在母亲那儿总是要加倍的。")

            '设置文本字体和颜色
            text.CharacterFormat.FontName = "宋体"
            text.CharacterFormat.FontSize = 12
            text.CharacterFormat.TextColor = Color.DarkBlue

            '设置脚注上标数字的格式
            footnote.MarkerCharacterFormat.FontName = "Calibri"
            footnote.MarkerCharacterFormat.FontSize = 15
            footnote.MarkerCharacterFormat.Bold = True
            footnote.MarkerCharacterFormat.TextColor = Color.DarkGreen

            '保存结果文档
            document.SaveToFile("插入脚注.docx", FileFormat.Docx)
        End Sub
    End Class
End Namespace