将图像添加到工作表

//get the image from disk
using (System.Drawing.Image image = System.Drawing.Image.FromFile(HttpContext.Current.Server.MapPath("logo.jpg")))
{
    var excelImage = worksheet.Drawings.AddPicture("My Logo", image);

    //add the image to row 20, column E
    excelImage.SetPosition(20, 0, 5, 0);
}