PM> Install-Package Spire.Doc

using Spire.Doc;
using System.IO;
using System.Text;

namespace CountWordsCharactersEtcInWord
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //初始化 Document 類的對象
            Document document = new Document();
            //加載示例 Word 文檔
            document.LoadFromFile("Input.docx");

            //獲取 BuiltinDocumentProperties 對象
            BuiltinDocumentProperties properties = document.BuiltinDocumentProperties;

            //獲取文檔中的單詞、字符、段落、行數(shù)和頁數(shù)
            int wordCount = properties.WordCount;
            int charCount = properties.CharCount;
            int paraCount = properties.ParagraphCount;
            int lineCount = properties.LinesCount;
            int pageCount = properties.PageCount;

            //初始化 StringBuilder 對象
            StringBuilder sb = new StringBuilder();
            //將結果添加到 StringBuilder
            sb.AppendLine("The number of words: " + wordCount);
            sb.AppendLine("The number of characters: " + charCount);
            sb.AppendLine("The number of paragraphs: " + paraCount);
            sb.AppendLine("The number of lines: " + lineCount);
            sb.AppendLine("The number of pages: " + pageCount);

            //將 StringBuilder 的內容寫入文本文件
            File.WriteAllText("result.txt", sb.ToString());
            document.Close();
        }
    }
}

using Spire.Doc;
using Spire.Doc.Documents;
using System.IO;
using System.Text;

namespace CountWordsAndCharactersForParagraph
{
    internal class Program
    {
        static void Main(string[] args)
        {
            //初始化 Document 類的對象
            Document document = new Document();
            //加載一個示例 Word 文檔
            document.LoadFromFile("Input.docx");

            //獲取特定段落
            Paragraph paragraph = document.Sections[0].Paragraphs[0];

            //獲取段落中的單詞數(shù)和字符數(shù)
            int wordCount = paragraph.WordCount;
            int charCount = paragraph.CharCount;
           

            //初始化 StringBuilder 類的對象
            StringBuilder sb = new StringBuilder();
            //將結果追加到 StringBuilder
            sb.AppendLine("The number of words: " + wordCount);
            sb.AppendLine("The number of characters: " + charCount);

            //將 StringBuilder 的內容寫入文本文件
            File.WriteAllText("result.txt", sb.ToString());
            document.Close();
        }
    }
}