/// <summary>
/// 导出报表内容到文件
/// </summary>
/// <param name="exportTypeSetting"></param>
/// <param name="deviceInfoXml"></param>
/// <param name="_dataSet"></param>
/// <param name="path"></param>
/// <returns></returns>
public string ExportToFile(BaseDeviceInfoSettings exportTypeSetting, string deviceInfoXml, DataTable _dataSet, string path)
{
IReportExporter winFormsReportExporter;
LocalReport localReport;
MemoryStream content = ExportRDLC(exportTypeSetting, deviceInfoXml, _dataSet, out winFormsReportExporter, out localReport);
string fileExtension = winFormsReportExporter.Extension;
string fileFullPath = path + "\\" + localReport.DisplayName + "." + fileExtension;
if (Directory.Exists(fileFullPath))
{
File.Delete(fileFullPath);
}
File.WriteAllBytes(fileFullPath, content.ToArray());
return fileFullPath;
}
public void ExportToResponse(BaseDeviceInfoSettings exportTypeSetting, DataTable _dataSet)
{
ExportToResponse(exportTypeSetting, null, _dataSet);
}
private MemoryStream ExportRDLC(BaseDeviceInfoSettings exportTypeSetting, string deviceInfoXml, out IReportExporter winFormsReportExporter, out LocalReport localReport)
{
return ExportRDLC(exportTypeSetting, deviceInfoXml, null, out winFormsReportExporter, out localReport);
}
private MemoryStream ExportRDLC(BaseDeviceInfoSettings exportTypeSetting, string deviceInfoXml, DataTable _dataSet, out IReportExporter winFormsReportExporter, out LocalReport localReport)
{
if (_dataSet != null)
{
this.m_dataSet = _dataSet;
}
GetColumns();
DateTime startTime = DateTime.Now;
localReport = new LocalReport();
localReport.DisplayName = string.IsNullOrEmpty(Rdl.PageHeaderText) ? "Report" : Rdl.PageHeaderText;
localReport.LoadReportDefinition(m_rdl);
localReport.DataSources.Add(new ReportDataSource("MyData", m_dataSet));
winFormsReportExporter = new WinFormsReportExporter(localReport);
MemoryStream content;
if (exportTypeSetting is ExcelDeviceInfoSettings)
{
content = winFormsReportExporter.ExportToXls(deviceInfoXml);
}
else if (exportTypeSetting is PdfDeviceInfoSettings)
{
content = winFormsReportExporter.ExportToPdf(deviceInfoXml);
}
else if (exportTypeSetting is ImageDeviceInfoSettings)
{
content = winFormsReportExporter.ExportToImage(deviceInfoXml);
}
else if (exportTypeSetting is WordDeviceInfoSettings)
{
content = winFormsReportExporter.ExportToWord(deviceInfoXml);
}
else
{
throw new ApplicationException("Unknown export type format");
}
TimeSpan totalTime = DateTime.Now - startTime;
return content;
}
/// <summary>
/// 导出报表内容直接在Respons输出到客户端
/// </summary>
/// <param name="exportTypeSetting"></param>
/// <param name="deviceInfoXml"></param>
/// <param name="_dataSet"></param>
/// <param name="response"></param>
public void ExportToResponse(BaseDeviceInfoSettings exportTypeSetting, string deviceInfoXml, DataTable _dataSet)
{
IReportExporter winFormsReportExporter;
LocalReport localReport;
MemoryStream content = ExportRDLC(exportTypeSetting, deviceInfoXml, _dataSet, out winFormsReportExporter, out localReport);
string fileExtension = winFormsReportExporter.Extension;
//HttpContext.Current.Response.ContentType = "application/octet-stream";
HttpResponse response = HttpContext.Current.Response;
HttpContext.Current.Response.Clear();
HttpContext.Current.Response.ContentType = "application/octet-stream";
response.AppendHeader("Content-disposition", "attachment;filename=" + HttpUtility.UrlEncode(localReport.DisplayName + "." + fileExtension));
StreamToResponse(content, winFormsReportExporter.MimeType, response);
response.Flush();
}
