Excel转换成图片

excel转换成图片

首先将Excel文档转换成PDF文件，添加引用using Excel = Microsoft.Office.Interop.Excel;

然后对PDF文件进行转换成图片，（PDF转换成图片参照博客中PDF操作），转换出的Excel图片和Excel文档格式有些出入。

下面代码是Excel转换成PDF文件：

            string FilePath="";//exce文档路径
　　　　　　　string OutPath = "";//输出路径

　　　　　　　Excel.XlFixedFormatType targetType = Excel.XlFixedFormatType.xlTypePDF;
            object missing = Type.Missing;
            Excel.Application application = null;
            Excel.Workbook workExcel = null;
            try
            {
                application = new Excel.Application();
                object target = OutPath;
                object type = targetType;
                workExcel= application.Workbooks.Open(FilePath, missing, missing, missing, missing, missing,
                        missing, missing, missing, missing, missing, missing, missing, missing, missing);

                workExcel.ExportAsFixedFormat(targetType, target, Excel.XlFixedFormatQuality.xlQualityStandard, true, false, missing, missing, missing, missing);
                result = true;
            }
            catch
            {
                result = false;
            }
            finally
            {
                if (workExcel != null)
                {
                    workExcel.Close(true, missing, missing);
                    workExcel = null;
                }
                if (application != null)
                {
                    application.Quit();
                    application = null;
                }
                GC.Collect();
                GC.WaitForPendingFinalizers();
                GC.Collect();
                GC.WaitForPendingFinalizers();
            }