动态RDLC报表类DynamicReport:显示报表和打印
在前面已经人寿了一个空的报表文档,各种节点的数据也已经生成,现在只需把各种节点的数据放进报表文档里,然后加载到ReportViewer中就可以了。
显示报表之前要先传入一个ReportViewer。
- private ReportViewer _report;
- public void SetReport(ReportViewer reportViewer, DisplayMode displayMode = DisplayMode.PrintLayout, ZoomMode zoomMode = ZoomMode.PageWidth)
- {
- reportViewer.Dock = System.Windows.Forms.DockStyle.Fill;
- reportViewer.SetDisplayMode(displayMode);
- reportViewer.ZoomMode = zoomMode;
- this._report = reportViewer;
- }
生成RDLC报表并显示
- public void ShowReport()
- {
- //将每一个patter转换
- if (_reportItemPatterns.Count > 0)
- {
- var dataSetsString = new StringBuilder();
- var tablixString = new StringBuilder();
-
- foreach (var reportItemPattern in _reportHeadPatterns)
- {
- dataSetsString.Append(reportItemPattern.DataSetString);
- tablixString.Append(reportItemPattern.TablixString);
- }
- foreach (var reportItemPattern in _reportItemPatterns)
- {
- dataSetsString.Append(reportItemPattern.DataSetString);
- tablixString.Append(reportItemPattern.TablixString);
- }
- foreach (var reportRemarksPattern in reportRemarks)
- {
- tablixString.Append(reportRemarksPattern);
- }
- //是否显示签名签章
- if (isSignature)
- {
- if (isSignatureImg) tablixString.Append(signaturePattern.Replace("@TopPosition", tabelTopPosition.ToString()).Replace("@LeftPosition", (pageWidth - leftMargin - 9F).ToString()));
- }
- //把文档中的文字替换掉
- if (tablixString.ToString() == "") _docTemplate = _docTemplate.Replace("
@Tablix ", ""); - _docTemplate = _docTemplate.Replace("@DataSets", dataSetsString.ToString())
- .Replace("@Tablix", tablixString.ToString())
- .Replace("@HeaderHeight", headerHeight.ToString())
- .Replace("@FooterHeight", footerHeight.ToString())
- .Replace("
29.7cm ", "" + pageHeight.ToString() + "cm") - .Replace("
21.0cm ", "" + pageWidth.ToString() + "cm"); - if (reportLogoString.ToString() == "")
- {
- if (reportLabelPatterns.Count > 0)
- {
- foreach (var reportLabelPattern in reportLabelPatterns)
- {
- reportLogoString.Append(reportLabelPattern);
- }
- foreach (var reportTitlePattern in _reportTitlePatterns)
- {
- reportLogoString.Append(reportTitlePattern);
- }
- _docTemplate = _docTemplate.Replace("@PageHeader", reportLogoString.ToString());
- }
- else
- {
- if (_reportTitlePatterns.Count > 0)
- {
- foreach (var reportTitlePattern in _reportTitlePatterns)
- {
- reportLogoString.Append(reportTitlePattern);
- }
- _docTemplate = _docTemplate.Replace("@PageHeader", reportLogoString.ToString());
- }
- else
- {
- _docTemplate = _docTemplate.Replace("
@PageHeader ", ""); - }
- }
- _docTemplate = _docTemplate.Replace("
@LogoImageData ", ""); - }
- else
- {
- foreach (var reportLabelPattern in reportLabelPatterns)
- {
- reportLogoString.Append(reportLabelPattern);
- }
- foreach (var reportTitlePattern in _reportTitlePatterns)
- {
- reportLogoString.Append(reportTitlePattern);
- }
- _docTemplate = _docTemplate.Replace("@PageHeader", reportLogoString.ToString());
- }
- foreach (var reportPageFooterPattern in _reportPageFooter)
- {
- reportPageFooter.Append(reportPageFooterPattern);
- }
- if (reportPageFooter.ToString() == "")
- {
- _docTemplate = _docTemplate.Replace("
@PageFooter ", ""); - }
- else
- {
- _docTemplate = _docTemplate.Replace("@PageFooter", reportPageFooter.ToString());
- }
-
- var doc = new XmlDocument();
- doc.LoadXml(_docTemplate);
- //doc.Save(System.AppDomain.CurrentDomain.BaseDirectory + "\\docTemplate.xml");
- Stream stream = GetRdlcStream(doc);
-
- //加载报表定义
- _report.LocalReport.LoadReportDefinition(stream);
- _report.LocalReport.DataSources.Clear();
- foreach (var reportItemPattern in _reportItemPatterns)
- {
- _report.LocalReport.DataSources
- .Add(new ReportDataSource(reportItemPattern.DataSetName + "Data",
- reportItemPattern.Data));
- }
- foreach (var reportItemPattern in _reportHeadPatterns)
- {
- _report.LocalReport.DataSources
- .Add(new ReportDataSource(reportItemPattern.DataSetName + "Data",
- reportItemPattern.Data));
- }
- _report.LocalReport.Refresh();
-
- if (onlyPrint) PrintStream(_report.LocalReport);
- }
- }
-
- protected Stream GetRdlcStream(XmlDocument xmlDoc)
- {
- Stream ms = new MemoryStream();
- XmlSerializer serializer = new XmlSerializer(typeof(XmlDocument));
- serializer.Serialize(ms, xmlDoc);
- ms.Position = 0;
- return ms;
- }
可以选择是否直接打印出来
- private Boolean onlyPrint = false;
- /// 用来记录当前打印到第几页了
- ///
- private int m_currentPageIndex;
-
- ///
- /// 声明一个Stream对象的列表用来保存报表的输出数据,LocalReport对象的Render方法会将报表按页输出为多个Stream对象。
- ///
- private IList
m_streams; -
- private bool isLandSapces = false;
-
- ///
- /// 用来提供Stream对象的函数,用于LocalReport对象的Render方法的第三个参数。
- ///
- ///
- ///
- ///
- ///
- ///
- ///
- private Stream CreateStream(string name, string fileNameExtension, Encoding encoding, string mimeType, bool willSeek)
- {
- //如果需要将报表输出的数据保存为文件,请使用FileStream对象。
- Stream stream = new MemoryStream();
- m_streams.Add(stream);
- return stream;
- }
-
- ///
- /// 为Report.rdlc创建本地报告加载数据,输出报告到.emf文件,并打印,同时释放资源
- ///
- /// 参数:ReportViewer.LocalReport
- public void PrintStream(LocalReport rvDoc)
- {
- //获取LocalReport中的报表页面方向
- isLandSapces = rvDoc.GetDefaultPageSettings().IsLandscape;
- Export(rvDoc);
- PrintSetting();
- Dispose();
- }
-
- private void Export(LocalReport report)
- {
- string deviceInfo =
- @"
-
EMF - ";
- Warning[] warnings;
- m_streams = new List
(); - //将报表的内容按照deviceInfo指定的格式输出到CreateStream函数提供的Stream中。
- report.Render("Image", deviceInfo, CreateStream, out warnings);
- foreach (Stream stream in m_streams)
- stream.Position = 0;
- }
-
- private void PrintSetting()
- {
- if (m_streams == null || m_streams.Count == 0)
- throw new Exception("错误:没有检测到打印数据流");
- //声明PrintDocument对象用于数据的打印
- PrintDocument printDoc = new PrintDocument();
- //获取配置文件的清单打印机名称,不设置则用默认打印机
- //printDoc.PrinterSettings.PrinterName = "Adobe PDF";
-
- //foreach (string sPrint in PrinterSettings.InstalledPrinters)//获取所有打印机名称
- //{
- //}
-
- printDoc.PrintController = new System.Drawing.Printing.StandardPrintController();//指定打印机不显示页码
- //判断指定的打印机是否可用
- if (!printDoc.PrinterSettings.IsValid)
- {
- throw new Exception("错误:找不到打印机");
- }
- else
- {
- //设置打印机方向遵从报表方向
- printDoc.DefaultPageSettings.Landscape = isLandSapces;
- //声明PrintDocument对象的PrintPage事件,具体的打印操作需要在这个事件中处理。
- printDoc.PrintPage += new PrintPageEventHandler(PrintPage);
- m_currentPageIndex = 0;
- //设置打印机打印份数
- printDoc.PrinterSettings.Copies = 1;
- //执行打印操作,Print方法将触发PrintPage事件。
- printDoc.Print();
- }
- }
-
- ///
- /// 处理程序PrintPageEvents
- ///
- ///
- ///
- private void PrintPage(object sender, PrintPageEventArgs ev)
- {
- //Metafile对象用来保存EMF或WMF格式的图形,
- //我们在前面将报表的内容输出为EMF图形格式的数据流。
- Metafile pageImage = new Metafile(m_streams[m_currentPageIndex]);
-
- //调整打印机区域的边距
- System.Drawing.Rectangle adjustedRect = new System.Drawing.Rectangle(
- ev.PageBounds.Left - (int)ev.PageSettings.HardMarginX,
- ev.PageBounds.Top - (int)ev.PageSettings.HardMarginY,
- ev.PageBounds.Width,
- ev.PageBounds.Height);
-
- //绘制一个白色背景的报告
- //ev.Graphics.FillRectangle(Brushes.White, adjustedRect);
-
- //获取报告内容
- //这里的Graphics对象实际指向了打印机
- ev.Graphics.DrawImage(pageImage, adjustedRect);
- //ev.Graphics.DrawImage(pageImage, ev.PageBounds);
-
- // 准备下一个页,已确定操作尚未结束
- m_currentPageIndex++;
-
- //设置是否需要继续打印
- ev.HasMorePages = (m_currentPageIndex < m_streams.Count);
- }