Excel插入图片（C#）

NPOI实现：

/// <summary>/// .xls后缀的Excel文件添加图片/// </summary>/// <param name="book"></param>/// <param name="sheet1"></param>/// <param name="rowindex"></param>/// <param name="imgPath"></param>private static void InsertImageToExcel(HSSFWorkbook book, ISheet sheet1, int rowindex, string imgPath){byte[] bytes = System.IO.File.ReadAllBytes(imgPath);int pictureIdx = book.AddPicture(bytes, PictureType.JPEG);HSSFPatriarch patriarch = (HSSFPatriarch)sheet1.CreateDrawingPatriarch();HSSFClientAnchor anchor = new HSSFClientAnchor(30, 25, 0, 0, 4, rowindex, 5, rowindex);HSSFPicture pict = (HSSFPicture)patriarch.CreatePicture(anchor, pictureIdx);pict.Resize();//自动调节图片大小}