/// <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);
}
}
