/// <summary>
/// PDF转Image
/// </summary>
/// <param name="pdfInputPath">PDF文件</param>
/// <param name="imageOutputPath">图片文件路径</param>
/// <param name="imageName">图片名称</param>
/// <param name="startPageNum">从第几页开始</param>
/// <param name="endPageNum">到第几页结束</param>
/// <param name="imageFormat">生成图片类型</param>
/// <param name="resolution">显示倍数</param>
public bool ConvertPDF2Image(string pdfInputPath, string imageOutputPath,
string imageName, string Hospsampleid, int startPageNum, int endPageNum, ImageFormat imageFormat, double resolution)
{
bool falg = true;
List <string> Sqllst = new List <string>();
//执行的SQL集合
string errormsg = "";
SortedList SQLlist = new SortedList(new MySort());
int errcount = 0; //标记当前pdf每页是否都已经转图片成功
Acrobat.CAcroPDDoc pdfDoc = (Acrobat.CAcroPDDoc)Microsoft.VisualBasic.Interaction.CreateObject("AcroExch.PDDoc", "");
Acrobat.CAcroPDPage pdfPage = null;
Acrobat.CAcroRect pdfRect = null;
Acrobat.CAcroPoint pdfPoint = null;
try
{
//yhl 2017.3.22pdf转图片之前先清空粘贴板信息，防止图片信息没清空，下个条码存了上个条码的信息
//IDataObject clipboardData1 = Clipboard.GetDataObject();
//if (clipboardData1.GetDataPresent(DataFormats.Bitmap))
//{
Clipboard.Clear();
// }
// Create the document (Can only create the AcroExch.PDDoc object using late-binding)
// Note using VisualBasic helper functions, have to add reference to DLL
// pdfDoc = (Acrobat.CAcroPDDoc)Microsoft.VisualBasic.Interaction.CreateObject("AcroExch.PDDoc", "");//.CreateObject("AcroExch.PDDoc", "");
//var CreatePdf = Microsoft.VisualBasic.Interaction.CreateObject("AcroExch.PDDoc", "");
// pdfDoc = (Acrobat.CAcroPDDoc)CreatePdf;
// pdfPage.CopyToClipboard(pdfRect, 0, 0, 100);
// validate parameter
if (!pdfDoc.Open(pdfInputPath))
{
throw new FileNotFoundException();
}
if (!Directory.Exists(imageOutputPath))
{
Directory.CreateDirectory(imageOutputPath);
}
if (startPageNum <= 0)
{
startPageNum = 1;
}
if (endPageNum > pdfDoc.GetNumPages() || endPageNum <= 0)
{
endPageNum = pdfDoc.GetNumPages();
}
if (startPageNum > endPageNum)
{
int tempPageNum = startPageNum; startPageNum = endPageNum; endPageNum = startPageNum;
}
if (imageFormat == null)
{
imageFormat = ImageFormat.Jpeg;
}
if (resolution <= 0)
{
resolution = 1;
}
// start to convert each page
for (int i = startPageNum; i <= endPageNum; i++)
{
pdfPage = (Acrobat.CAcroPDPage)pdfDoc.AcquirePage(i - 1);
pdfPoint = (Acrobat.CAcroPoint)pdfPage.GetSize();
pdfRect = (Acrobat.CAcroRect)Microsoft.VisualBasic.Interaction.CreateObject("AcroExch.Rect", "");
int imgWidth = (int)((double)pdfPoint.x * resolution);
int imgHeight = (int)((double)pdfPoint.y * resolution);
pdfRect.Left = 0;
pdfRect.right = (short)imgWidth;
pdfRect.Top = 0;
pdfRect.bottom = (short)imgHeight;
pdfPage.CopyToClipboard(pdfRect, 0, 0, (short)(100 * resolution));
IDataObject clipboardData = Clipboard.GetDataObject();
if (clipboardData.GetDataPresent(DataFormats.Bitmap))
{
Bitmap pdfBitmap = (Bitmap)clipboardData.GetData(DataFormats.Bitmap);
pdfBitmap.Save(Path.Combine(imageOutputPath, imageName) + "_" + i + ".jpg", imageFormat);
pdfBitmap.Dispose();
}
string imgpath = Path.Combine(imageOutputPath, imageName) + "_" + i + ".jpg";
if (!File.Exists(imgpath) || File.ReadAllBytes(imgpath).Count() <= 0)
{
errcount++;
}
string imageAddress = getImageString(Path.Combine(imageOutputPath, imageName) + "_" + i + ".jpg");
int maxid = new TableIDDAO().GetNextId("DAAN_LIS_REPORT");
DAAN_LIS_REPORT dalisReport = new DAAN_LIS_REPORT();
dalisReport.DAAN_ID = maxid.ToString();
dalisReport.DAAN_JPG = Convert.FromBase64String(imageAddress);
dalisReport.DAAN_BAR_CODE = Hospsampleid;
SQLlist.Add(new Hashtable()
{
{ "INSERT", "InsertDAAN_LIS_REPORT" }
}, dalisReport);
}
pdfDoc.Close();
Marshal.ReleaseComObject(pdfPage);
Marshal.ReleaseComObject(pdfRect);
Marshal.ReleaseComObject(pdfDoc);
Marshal.ReleaseComObject(pdfPoint);
falg = service.ExecuteSqlTran(SQLlist, ref errormsg);
}
catch (Exception ex)
{
string message = ex.Message;
SetTB(imageName + "条码转换失败！" + ex.Message);
falg = false;
errcount++;
pdfDoc.Close();
Marshal.ReleaseComObject(pdfPage);
Marshal.ReleaseComObject(pdfRect);
Marshal.ReleaseComObject(pdfDoc);
Marshal.ReleaseComObject(pdfPoint);
}
if (errcount > 0)
{
falg = false;
}
return(falg);
}
/// <summary>
/// 获取序列 主表序列 ，SQl中表名为Ora中序列名
/// </summary>
/// <param name="user"></param>
/// <returns></returns>
public int GetMicorgResultID()
{
TableIDDAO tableid = new TableIDDAO();
return(tableid.GetNextId("SEQ_DA_MICORGRESULT"));
}
