开源的读取Excel文件组件，轻量级解析DLL，net3.5 无需自己再编译，直接导入引用： FileStream stream = File.Open(filePath, FileMode.Open, FileAccess.Read); //1. Reading from a binary Excel file ('97-2003 format; *.xls) IExcelDataReader excelReader = ExcelReaderFactory.CreateBinaryRea