/// <summary>
/// PPT文档转图片
/// </summary>
/// <param name="pptFileName"></param>
/// <param name="outPutFilePath"></param>
public void PPTToImg(string pptFileName, string outPutFilePath)
{
Presentation ppt = new Presentation(pptFileName);
Stream st = new MemoryStream();
ppt.Save(st, SaveFormat.Pdf);
Aspose.Pdf.Document document = new Aspose.Pdf.Document(st);
var device = new Aspose.Pdf.Devices.JpegDevice();
//默认质量为100，设置质量的好坏与处理速度不成正比，甚至是设置的质量越低反而花的时间越长，怀疑处理过程是先生成高质量的再压缩
device = new Aspose.Pdf.Devices.JpegDevice(100);
//遍历每一页转为jpg
for (var i = 1; i <= document.Pages.Count; i++)
{
string savepath = outPutFilePath + "\\" + string.Format("{0}.jpg", i);
FileStream fs = new FileStream(savepath, FileMode.OpenOrCreate);
try
{
device.Process(document.Pages[i], fs);
fs.Close();
}
catch (Exception ex)
{
fs.Close();
LogControl.LogInfo(lastCheckId.ToString() + "PPT文档转图片执行失败：" + ex.Message.ToString());
}
}
}
string savePath = System.Configuration.ConfigurationSettings.AppSettings.Get("savePath"); //图片保存的路劲
public void DoJob()
{
LogControl.LogInfo("执行服务任务：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
try
{
lastCheckId = GetLastId(); //最后一次执行的id
var filePath = string.Empty; //源文档路劲
var saveFilePath = string.Empty; //文件保存的路劲
var searchPath = string.Empty; //文件搜索路劲
var sqlGetData = string.Format(@"select AttachmentId,SavePath,FileExt from Attachment
where TargetType in(1,2,3) and FileExt in('doc','docx','pdf','ppt','pptx')
and AttachmentId>{0} order by AttachmentId", lastCheckId);
var data = SqlHelper.ExecuteDataSet(System.Data.CommandType.Text, sqlGetData, null);
if (data != null && data.Tables.Count > 0)
{
var dataTable = data.Tables[0];
if (dataTable != null && dataTable.Rows.Count > 0)
{
for (var i = 0; i < dataTable.Rows.Count; i++)
{
sourcePath = System.Configuration.ConfigurationSettings.AppSettings.Get("sourcePath"); //源文件路劲
tempPath = System.Configuration.ConfigurationSettings.AppSettings.Get("tempPath"); //临时文件路劲
savePath = System.Configuration.ConfigurationSettings.AppSettings.Get("savePath"); //图片保存的路劲
lastCheckId = Convert.ToInt32(dataTable.Rows[i]["AttachmentId"]);
var pathArr = dataTable.Rows[i]["SavePath"].ToString().Split('/');
searchPath = sourcePath + "\\" + pathArr[0] + "\\" + pathArr[1] + "\\OfficeFileToPDF";
savePath = sourcePath + "\\" + pathArr[0] + "\\" + pathArr[1] + "\\FileToImg";
var ext = dataTable.Rows[i]["FileExt"].ToString().ToUpper();
if (savePath.Contains("FileToImg") && Directory.Exists(savePath))
{
Directory.Delete(savePath, true);
}
Directory.CreateDirectory(savePath);
if (ext == "PDF" || ext == "PPT" || ext == "PPTX")
{
ext = "PDF";
GetPdfImgFromClipboard(searchPath, ext);
//PdfToImg(searchPath, ext);
}
else
{
WordToImg(searchPath, ext);
}
ChangeLastId(lastCheckId.ToString());
}
}
}
DoErroeData();
}
catch (Exception ex)
{
LogControl.LogInfo("执行服务异常：" + ex.Message.ToString());
}
LogControl.LogInfo("**********************************执行服务任结束务：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss") + "******************************");
}
public void test()
{
try
{
GetCaptureImage();
}
catch (Exception ex)
{
LogControl.LogInfo("发生异常:" + ex.Message.ToString());
}
}
/// <summary>
/// 执行作业
/// </summary>
public void doJob(object sender, System.Timers.ElapsedEventArgs e)
{
if (isDoJob)
{
LogControl.LogInfo("****************************************服务开始执行任务" + DateTime.Now.ToString("yyyyMMddHHmmss") + "**************************************");
ServerDemoJob job = new ServerDemoJob();
isDoJob = false;
job.DoJob();
//job.test();
isDoJob = true;
}
}
/// <summary>
/// pdf转img
/// </summary>
public void PdfToImg(string searchPath, string fileExt)
{
if (Directory.Exists(searchPath))
{
try
{
DirectoryInfo dir = new DirectoryInfo(searchPath);
FileInfo[] dirInfo = dir.GetFiles();
string fileName = string.Empty;
if (dirInfo != null && dirInfo.Length > 0)
{
foreach (var info in dirInfo)
{
if (info.Extension.ToUpper() == "." + fileExt.ToUpper())
{
sourceFilePath = info.FullName;
fileName = info.Name;
CheckPath(tempPath);
tempFilePath = tempPath + "\\" + info.Name;
if (File.Exists(tempFilePath))
{
File.Delete(tempFilePath);
}
File.Copy(sourceFilePath, tempFilePath);
break;
}
}
PdfLibNetToImg pdfHandle = new PdfLibNetToImg();
var result = pdfHandle.PdfToImg(lastCheckId, sourcePath, tempFilePath, savePath, ImageFormat.Png, 200, 30);
//var result = pdfHandle.ConvertPDF2ImageMew(tempFilePath, savePath, fileName.Split('.')[0], ImageFormat.Png, FileToImgService.PdfHandle.Definition.Five, lastCheckId, sourcePath);
if (!result)
{
RecodeErroeData(lastCheckId);
}
else
{
File.Delete(tempFilePath);
}
}
}
catch (Exception ex)
{
LogControl.LogInfo(lastCheckId.ToString() + "执行失败：" + ex.Message.ToString());
RecodeErroeData(lastCheckId);
}
}
else
{
LogControl.LogInfo(lastCheckId.ToString() + "执行失败找不到路劲：" + searchPath);
RecodeErroeData(lastCheckId);
}
}
/// <summary>
/// word文档操作
/// </summary>
/// <param name="searchPath"></param>
/// <param name="fileExt"></param>
/// <param name="fileSavePath"></param>
public void WordToImg(string searchPath, string fileExt)
{
try
{
if (Directory.Exists(searchPath))
{
DirectoryInfo dir = new DirectoryInfo(searchPath);
FileInfo[] dirInfo = dir.GetFiles();
if (dirInfo != null && dirInfo.Length > 0)
{
foreach (var info in dirInfo)
{
if (info.Extension.ToUpper() == "." + fileExt.ToUpper())
{
sourceFilePath = info.FullName;
CheckPath(tempPath);
tempFilePath = tempPath + "\\" + info.Name;
if (File.Exists(tempFilePath))
{
File.Delete(tempFilePath);
}
File.Copy(sourceFilePath, tempFilePath);
break;
}
}
Word2ImageConverter wordHandle = new Word2ImageConverter();
string message = string.Empty;;
var result = wordHandle.ConvertToImageNew(sourcePath, tempFilePath, savePath, lastCheckId, out message);
if (!result)
{
//执行失败不删除临时文件 可以单独处理
LogControl.LogInfo(lastCheckId.ToString() + "执行失败：" + message);
RecodeErroeData(lastCheckId);
}
else
{
File.Delete(tempFilePath);//删除临时文件
}
}
}
else
{
LogControl.LogInfo(lastCheckId.ToString() + "执行失败：找不到路劲：" + searchPath);
RecodeErroeData(lastCheckId);
}
}
catch (Exception ex)
{
LogControl.LogInfo(lastCheckId.ToString() + "执行失败：" + ex.Message.ToString());
RecodeErroeData(lastCheckId);
}
}
/// <summary>
/// 执行报错记录的数据
/// </summary>
public void DoErroeData()
{
LogControl.LogInfo("开始处理异常数据：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
var filePath = string.Empty; //源文档路劲
var saveFilePath = string.Empty; //文件保存的路劲
var searchPath = string.Empty; //文件搜索路劲
var sql = @"select a.Id,a.AttachmentId,b.SavePath,b.FileExt from PreviewFileErrorTable as a
left join Attachment as b
on b.AttachmentId=a.attachmentid";
var data = SqlHelper.ExecuteDataSet(System.Data.CommandType.Text, sql, null);
if (data != null && data.Tables.Count > 0)
{
var dataTable = data.Tables[0];
}
try
{
if (data != null && data.Tables.Count > 0)
{
var dataTable = data.Tables[0];
if (dataTable != null && dataTable.Rows.Count > 0)
{
for (var i = 0; i < dataTable.Rows.Count; i++)
{
sourcePath = System.Configuration.ConfigurationSettings.AppSettings.Get("sourcePath"); //源文件路劲
tempPath = System.Configuration.ConfigurationSettings.AppSettings.Get("tempPath"); //临时文件路劲
savePath = System.Configuration.ConfigurationSettings.AppSettings.Get("savePath"); //图片保存的路劲
lastCheckId = Convert.ToInt32(dataTable.Rows[i]["AttachmentId"]);
var pathArr = dataTable.Rows[i]["SavePath"].ToString().Split('/');
searchPath = sourcePath + "\\" + pathArr[0] + "\\" + pathArr[1] + "\\OfficeFileToPDF";
savePath = sourcePath + "\\" + pathArr[0] + "\\" + pathArr[1] + "\\FileToImg";
var ext = dataTable.Rows[i]["FileExt"].ToString().ToUpper();
if (ext == "PDF")
{
PdfToImg(searchPath, ext);
}
else
{
WordToImg(searchPath, ext);
}
DeleteErrorData(Convert.ToInt32(dataTable.Rows[i]["Id"]));
}
}
}
}
catch (Exception ex)
{
LogControl.LogInfo("处理异常数据报错：" + ex.Message.ToString());
}
LogControl.LogInfo("处理异常数据结束：" + DateTime.Now.ToString("yyyy-MM-dd HH:mm:ss"));
}
/// <summary>
/// 启动服务执行方法
/// </summary>
/// <param name="args"></param>
protected override void OnStart(string[] args)
{
try
{
LogControl.LogInfo("服务开启" + DateTime.Now.ToString("yyyyMMddHHmmss"));
//开启
objPollTimer.Start();
System.Diagnostics.EventLog.WriteEntry(ServiceConfig.ServiceName, ServiceConfig.ServiceName + " 在" + DateTime.Now.ToString() + " 时启动");
}
catch (Exception e)
{
System.Diagnostics.EventLog.WriteEntry(ServiceConfig.ServiceName, ServiceConfig.ServiceName + " 在" + DateTime.Now.ToString() + " 时启动失败,详细信息:" + e.Message, EventLogEntryType.Error);
OnStop();
}
}
private static void GetCaptureImage()
{
IDataObject iData = Clipboard.GetDataObject();
Image img = null;
if (iData != null)
{
if (iData.GetDataPresent(DataFormats.Bitmap))
{
img = (Image)iData.GetData(DataFormats.Bitmap);
}
else if (iData.GetDataPresent(DataFormats.Dib))
{
img = (Image)iData.GetData(DataFormats.Dib);
}
}
LogControl.LogInfo(img == null ? "Null" : "img");
}
private void GetImgFromClipboard()
{
try
{
string pdfInputPath = tempFilePath;
string imageOutputPath = savePath;
//string pdfInputPath = @"D:\pdfImgs\test.pdf";
//string imageOutputPath = @"D:\pdfImgs\";
int startPageNum = 1;
ImageFormat imageFormat = ImageFormat.Jpeg;
int resolution = 1;
Acrobat.CAcroPDDoc pdfDoc = null;
Acrobat.CAcroPDPage pdfPage = null;
Acrobat.CAcroRect pdfRect = null;
Acrobat.CAcroPoint pdfPoint = null;
// 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", "");
// validate parameter
if (!pdfDoc.Open(pdfInputPath))
{
throw new FileNotFoundException();
}
if (!Directory.Exists(imageOutputPath))
{
Directory.CreateDirectory(imageOutputPath);
}
int endPageNum = pdfDoc.GetNumPages();
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;
// Render to clipboard, scaled by 100 percent (ie. original size)
// Even though we want a smaller image, better for us to scale in .NET
// than Acrobat as it would greek out small text
bool b = pdfPage.CopyToClipboard(pdfRect, 0, 0, (short)(100 * resolution));
IDataObject clipboardData = Clipboard.GetDataObject();
if (clipboardData.GetDataPresent(DataFormats.Bitmap))
{
Bitmap pdfBitmap = (Bitmap)clipboardData.GetData(DataFormats.Bitmap);
string imtName = i.ToString() + ".jpg";
pdfBitmap.Save(imageOutputPath + "\\" + imtName, imageFormat);
pdfBitmap.Dispose();
}
}
if (endPageNum > 0)
{
StringBuilder sb = new StringBuilder();
sb.Append(string.Format("delete from PreviewFile where AttachmentId={0};", lastCheckId));
for (int num = 1; num <= endPageNum; num++)
{
string filename = imageOutputPath + "\\" + num.ToString() + ".jpg";
sb.Append(string.Format("insert into PreviewFile(AttachmentId,SavePath,CreateTime)values({0},'{1}','{2}');", lastCheckId, filename.Replace(sourcePath, "").Replace("\\", "/"), DateTime.Now));
Thread.Sleep(1000);
}
var result = SqlHelper.ExecteNonQueryText(sb.ToString(), null);
if (result > 0)
{
}
else
{
RecodeErroeData(lastCheckId);
}
}
pdfDoc.Close();
Marshal.ReleaseComObject(pdfPage);
Marshal.ReleaseComObject(pdfRect);
Marshal.ReleaseComObject(pdfDoc);
Marshal.ReleaseComObject(pdfPoint);
}
catch (Exception ex)
{
LogControl.LogInfo("从剪切板获取PDF图片异常lastCheckId:" + lastCheckId + " " + ex.ToString());
RecodeErroeData(lastCheckId);
}
}
public void GetPdfImgFromClipboard(string searchPath, string fileExt)
{
if (Directory.Exists(searchPath))
{
try
{
DirectoryInfo dir = new DirectoryInfo(searchPath);
FileInfo[] dirInfo = dir.GetFiles();
string fileName = string.Empty;
if (dirInfo != null && dirInfo.Length > 0)
{
foreach (var info in dirInfo)
{
#region 制pdf文件到临时目录
if (info.Extension.ToUpper() == "." + fileExt.ToUpper())
{
sourceFilePath = info.FullName;
fileName = info.Name;
CheckPath(tempPath);
tempFilePath = tempPath + "\\" + info.Name;
if (File.Exists(tempFilePath))
{
File.Delete(tempFilePath);
}
File.Copy(sourceFilePath, tempFilePath);
break;
}
#endregion
}
Thread cbThread = new Thread(new ThreadStart(GetImgFromClipboard));
cbThread.TrySetApartmentState(ApartmentState.STA);
cbThread.Start();
cbThread.Join();
File.Delete(tempFilePath);
//PdfLibNetToImg pdfHandle = new PdfLibNetToImg();
//var result = pdfHandle.PdfToImg(lastCheckId, sourcePath, tempFilePath, savePath, ImageFormat.Png, 200, 30);
//var result = pdfHandle.ConvertPDF2ImageMew(tempFilePath, savePath, fileName.Split('.')[0], ImageFormat.Png, FileToImgService.PdfHandle.Definition.Five, lastCheckId, sourcePath);
//if (!result)
//{
// RecodeErroeData(lastCheckId);
//}
//else
//{
// File.Delete(tempFilePath);
//}
}
}
catch (Exception ex)
{
LogControl.LogInfo(lastCheckId.ToString() + "执行失败：" + ex.Message.ToString());
RecodeErroeData(lastCheckId);
}
}
else
{
LogControl.LogInfo(lastCheckId.ToString() + "执行失败找不到路劲：" + searchPath);
RecodeErroeData(lastCheckId);
}
}