以下代码使MicrosoftExcel后台进程继续运行，直到我的程序退出:varexcelApplication=newApplication();varworkbooks=excelApplication.Workbooks;varworkbook=excelApplication.Workbooks.Open(file.FullName);workbook.Close();excelApplication.Workbooks.Close();excelApplication.Quit();Marshal.ReleaseComObject(workbook);Marshal.Rele