/// <summary>
/// 导出pdf
/// </summary>
/// <param name="templatepath">rdlc模板路径</param>
/// <param name="fullfilename">导出文件路径</param>
/// <param name="datasetname">模板中数据集名称</param>
/// <param name="datasource">待绑定的数据集</param>
/// <param name="rparams">模板中使用的参数</param>
public static void ExportPDF(string templatepath, string fullfilename, string datasetname, object datasource, List <ReportParameter> rparams = null)
{
Warning[] warnings;
string[] streamIds;
byte[] bytes;
string mimeType = string.Empty;
string encoding = string.Empty;
string extension = string.Empty;
//LocalReport lr = new LocalReport();
using (LocalReport lr = new LocalReport())
{
lr.ReportPath = templatepath;
lr.DataSources.Add(new ReportDataSource(datasetname, datasource));
if (rparams != null)
{
lr.SetParameters(rparams);
}
bytes = lr.Render("PDF", null, out mimeType, out encoding, out extension, out streamIds, out warnings);
lr.DataSources.Clear();
// lr.Dispose();
lr.ReleaseSandboxAppDomain();
}
GC.Collect(0);
using (FileStream fs = File.OpenWrite(fullfilename))
{
fs.Write(bytes, 0, bytes.Length);
Console.WriteLine("导出成功！");
}
}
/// <summary>
/// 打印——LocalReport利用PrintDocument方式打印
/// </summary>
/// <param name="templatepath"></param>
/// <param name="datasetname"></param>
/// <param name="datasource"></param>
/// <param name="rparams"></param>
public static bool Print(string templatepath, string datasetname, object datasource, List <ReportParameter> rparams = null)
{
List <Stream> m_streams = new List <Stream>();
int m_currentPageIndex = 0;
PrintDialog pdg = new PrintDialog();
pdg.Document = new System.Drawing.Printing.PrintDocument();
DialogResult result = pdg.ShowDialog();
if (result != DialogResult.OK && result != DialogResult.Yes)
{
return(false);
}
pdg.Document.PrinterSettings = pdg.PrinterSettings;
PrintDocument pd = pdg.Document;
LocalReport lr = new LocalReport();
lr.ReportPath = templatepath;
lr.DataSources.Add(new ReportDataSource(datasetname, datasource));
if (rparams != null)
{
lr.SetParameters(rparams);
}
lr.Refresh();
string deviceInfo =
"<DeviceInfo>" +
" <OutputFormat>EMF</OutputFormat>" +
//" <PageWidth>8.5in</PageWidth>" +
//" <PageHeight>11in</PageHeight>" +
//" <MarginTop>0.15in</MarginTop>" +
//" <MarginLeft>0.5cm</MarginLeft>" +
//" <MarginRight>0.1in</MarginRight>" +
//" <MarginBottom>0.1in</MarginBottom>" +
"</DeviceInfo>";
Warning[] warnings;
m_streams = new List <Stream>();
m_currentPageIndex = 0;
CreateStreamCallback createStream = (name, fileNameExtension, encoding, mimeType, willSeek) =>
{
//Stream stream = new FileStream(name + "." + fileNameExtension, FileMode.Create);
Stream stream = new MemoryStream();
m_streams.Add(stream);
return(stream);
};
lr.Render("Image", deviceInfo, createStream, out warnings);
lr.ReleaseSandboxAppDomain();
foreach (Stream stream in m_streams)
{
stream.Position = 0;
}
pd.PrintPage += (sender, e) =>
{
System.Drawing.Imaging.Metafile pageImage = new System.Drawing.Imaging.Metafile(m_streams[m_currentPageIndex]);
//e.Graphics.DrawImage(pageImage, 0, 0,e.PageSettings.PaperSize.Width,e.PageSettings.PaperSize.Height);
e.Graphics.DrawImage(pageImage, e.PageBounds);
m_currentPageIndex++;
e.HasMorePages = (m_currentPageIndex < m_streams.Count);
};
pd.Print();
return(true);
}
