Crystal reports从XML创建报告并将其导出为PDF，而无需原始XML的路径

using System;
using System.IO;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;

public void CreateReportFromXml(string xmlData, string reportPath, string outputPath)
{
    // Load XML data into a MemoryStream
    byte[] byteArray = Encoding.UTF8.GetBytes(xmlData);
    MemoryStream xmlStream = new MemoryStream(byteArray);

    // Load the Crystal Report
    ReportDocument reportDoc = new ReportDocument();
    reportDoc.Load(reportPath);

    // Set the data source to the XML stream
    reportDoc.DataSourceConnections.Clear();
    reportDoc.SetDataSource(xmlStream);

    // Export the report to PDF
    ExportOptions exportOpts = new ExportOptions();
    DiskFileDestinationOptions diskOpts = new DiskFileDestinationOptions();
    diskOpts.DiskFileName = outputPath;
    exportOpts.ExportDestinationType = ExportDestinationType.DiskFile;
    exportOpts.ExportFormatType = ExportFormatType.PortableDocFormat;
    exportOpts.DestinationOptions = diskOpts;

    reportDoc.Export(exportOpts);
}