/// <summary> /// 构造器 /// </summary> /// <param name="dllFileName">dll文件名</param> /// <param name="className">命名空间.类名</param> /// <param name="excelPath">excel文件路径</param> public ExcelWriter(string dllFileName, string className, string excelPath) { if (excelWriter.IsNull()) { excelWriter = (IExcelWriter)dllFileName.LoadClass(className); excelWriter.Open(excelPath); } }