OpenXml 獲取Excel文件指定工作簿中的表格部件和表格數量

代碼：

using System;
using System.Linq;
using DocumentFormat.OpenXml.Packaging;
using DocumentFormat.OpenXml.Spreadsheet;

namespace OpenXmlExcelGetTables
{
    class Program
    {
        static void Main(string[] args)
        {
            using (SpreadsheetDocument document = SpreadsheetDocument.Open("Tables.xlsx", true))
            {
                WorkbookPart wbPart = document.WorkbookPart;
                Sheet theSheet = wbPart.Workbook.Descendants<Sheet>().Where(s => s.Name == "Sheet1").FirstOrDefault();
                if (theSheet == null)
                {
                    throw new ArgumentException("sheetName");
                }
                WorksheetPart wsPart = wbPart.GetPartById(theSheet.Id) as WorksheetPart;
                // get the tables in Excel
                int count = wsPart.GetPartsOfType<TableDefinitionPart>().Count();
                Console.WriteLine(count);
            }
        }
    }
}