这是我的问题。我有一个要导出为 PDF 的 RPT 文件。当我从数据集中提供整个表格并将 rpt 导出为 PDF 时，创建的文件大约为 25 MB。并且所有的陈述都被加入了。现在，当我将数据集中的单个记录提供给 rpt 文件并为每个语句创建新文件时，它们大约为 80 kb 到 250 kb，每个总计大约 650 MB。有没有办法可以减少我的第二个选项的文件大小，比如所有记录都为 150 MB？
任何解决方法？如果需要，我可以发布我的解决方案
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Data;
using Oracle.DataAccess.Client;
using CrystalDecisions.CrystalReports.Engine;
using CrystalDecisions.Shared;
using System.Diagnostics;
using System.Text.RegularExpressions;
using System.IO;
using System.Configuration;
using System.Collections;
using System.Collections.Specialized;
using PdfSharp;
using PdfSharp.Drawing;
using PdfSharp.Pdf;
using PdfSharp.Pdf.IO;
using System.Xml.Linq;
using System.Drawing;
using BitMiracle.Docotic.Pdf;
namespace PrintSinglaStatementAtTime
{
class Program
{
static void Main(string[] args)
{
Stopwatch sw = new Stopwatch();
sw.Start();
OracleConnection connection;
OracleDataAdapter OracleAdapter;
DataSet ds = new DataSet();
int one=1;
int two = 1;
int three = 1;
PdfSharp.Pdf.PdfDocument document;
PdfSharp.Pdf.PdfPage page;
XGraphics gfx;
XFont font = new XFont("Verdana", 8);
connection = new OracleConnection(ConfigurationManager.AppSettings["ConnectionString"]);
connection.Open();
OracleAdapter = new OracleDataAdapter(ConfigurationManager.AppSettings["StatementTable"], ConfigurationManager.AppSettings["ConnectionString"]);
OracleAdapter.Fill(ds, "domestic");
OracleAdapter = new OracleDataAdapter(ConfigurationManager.AppSettings["MetaDataTable"], ConfigurationManager.AppSettings["ConnectionString"]);
OracleAdapter.Fill(ds, "MetaDataDetail");
connection.Close();
ReportDocument reportDoc = new ReportDocument();
reportDoc.Load(@"c:\users\desktop\statement2.rpt");
ExportOptions CrExportOptions;
DiskFileDestinationOptions CrDiskFileDestinationOptions = new DiskFileDestinationOptions();
PdfRtfWordFormatOptions CrFormatTypeOptions = new PdfRtfWordFormatOptions();
CrExportOptions = reportDoc.ExportOptions;
{
CrExportOptions.ExportDestinationType = ExportDestinationType.DiskFile;
CrExportOptions.ExportFormatType = ExportFormatType.PortableDocFormat;
CrExportOptions.DestinationOptions = CrDiskFileDestinationOptions;
CrExportOptions.FormatOptions = CrFormatTypeOptions;
}
string XmlFilename = "";
DataTable stmt = ds.Tables["MetaDataDetail"];
stmt.PrimaryKey = new DataColumn[] { stmt.Columns["statementnumber"] };
stmt.Columns["custname"].ColumnName = "CustomerName";
stmt.Columns["custid"].ColumnName = "CustomerNumber";
stmt.Columns["soldto_addr1"].ColumnName = "CustomerStreet1";
stmt.Columns["soldto_addr2"].ColumnName = "CustomerStreet2";
stmt.Columns["soldto_addr3"].ColumnName = "CustomerStreet3";
stmt.Columns["soldto_city"].ColumnName = "CustomerCity";
stmt.Columns["soldto_state"].ColumnName = "CustomerState";
stmt.Columns["soldto_zip"].ColumnName = "CustomerZip";
stmt.Columns["PackagePagecount"].ColumnName = "PackagePageCount";
stmt.Columns["sequence"].ColumnName = "SequenceNumber";
var stmtnumber = "";
int pgcount1oz = 1;
int pgcount2oz = 1;
int pgcount3oz = 1;
PdfSharp.Pdf.PdfDocument outputDocument = new PdfSharp.Pdf.PdfDocument();
ArrayList myArrayList = new ArrayList();
for (int i = 0; i < stmt.Rows.Count; i++)
{
stmtnumber = stmt.Rows[i][0].ToString();
var exp = GetFilteredTable(ds.Tables["domestic"], stmtnumber);
reportDoc.SetDataSource(exp);
CrDiskFileDestinationOptions.DiskFileName = @"d:\pdf1\" + stmtnumber + ".pdf";
reportDoc.Export();
// var NumberofPages = GetNoOfPagesPDF(@"d:\pdf1\" + stmtnumber + ".pdf");
document = PdfReader.Open(@"d:\pdf1\" + stmtnumber + ".pdf", PdfDocumentOpenMode.Modify);
int counter = document.PageCount;
if (counter < 4)
{
for (int idx = 0; idx < counter; idx++)
{
page = document.Pages[idx];
gfx = XGraphics.FromPdfPage(page);
if (idx == 0)
{
gfx.DrawString(one.ToString("00000") + " " + pgcount1oz.ToString("00000"), font, XBrushes.Black,
new XRect(230, 130, page.Width, page.Height),
XStringFormats.TopLeft);
pgcount1oz++;
}
else if (idx>0
) {
gfx.DrawString(pgcount1oz.ToString("00000"), font, XBrushes.Black,
new XRect(236, 130, page.Width, page.Height),
XStringFormats.TopLeft);
pgcount1oz++;
}
}
string filename = @"d:\pdf1\" + stmtnumber + ".pdf";
document.Save(filename);
DataRow tbe = stmt.Rows.Find(stmtnumber);
tbe["packagepagecount"] = counter;
tbe["SequenceNumber"] = one;
one++;
}
else if (counter > 4 || counter < 9)
{
for (int idx = 0; idx < counter; idx++)
{
page = document.Pages[idx];
gfx = XGraphics.FromPdfPage(page);
if (idx == 0)
{
gfx.DrawString(two.ToString("00000") + " " + pgcount2oz.ToString("00000"), font, XBrushes.Black,
new XRect(230, 130, page.Width, page.Height),
XStringFormats.TopLeft);
pgcount2oz++;
}
else
{
gfx.DrawString( " " + pgcount2oz.ToString("00000"), font, XBrushes.Black,
new XRect(236, 130, page.Width, page.Height),
XStringFormats.TopLeft);
pgcount2oz++;
}
}
string filename = @"d:\pdf1\" + stmtnumber + ".pdf";
document.Save(filename);
DataRow tbe = stmt.Rows.Find(stmtnumber);
tbe["packagepagecount"] = counter;
tbe["SequenceNumber"] = two;
two++;
}
else if ( counter > 9)
{
for (int idx = 0; idx < counter; idx++)
{
page = document.Pages[idx];
gfx = XGraphics.FromPdfPage(page);
if (idx==0)
{ gfx.DrawString(three.ToString("00000")+" "+pgcount3oz.ToString("00000"), font, XBrushes.Black,
new XRect(230, 130, page.Width, page.Height),
XStringFormats.TopLeft);
pgcount3oz++;
}
else {
gfx.DrawString( " "+pgcount3oz.ToString("00000"), font, XBrushes.Black,
new XRect(236, 130, page.Width, page.Height),
XStringFormats.TopLeft);
pgcount3oz++;
}
}
string filename = @"d:\pdf1\" + stmtnumber + ".pdf";
document.Save(filename);
DataRow tbe = stmt.Rows.Find(stmtnumber);
tbe["packagepagecount"] = counter;
tbe["SequenceNumber"] = three;
three++;
}
// RecompressExistingImages(@"d:\pdf1\" + stmtnumber + ".pdf", @"d:\pdf\" + stmtnumber + ".pdf");
#region joining pdf .. needs work
// byte[] bytes = File.ReadAllBytes(@"d:\pdf1\" + stmtnumber + ".pdf");
// File.WriteAllBytes(@"d:\pdf\" + stmtnumber + ".pdf",bytes);
//FileStream ReadPdf = new FileStream(@"d:\pdf1\" + stmtnumber + ".pdf", FileMode.Open);
//long FileSize;
//FileSize = ReadPdf.Length;
//byte[] Buffer = new byte[(int)FileSize];
//ReadPdf.Read(Buffer, 0, (int)ReadPdf.Length);
//ReadPdf.Close();
//FileStream CreatePdf = new FileStream(@"d:\pdf\" + stmtnumber + ".pdf",
//FileMode.Create);
//CreatePdf.Write(Buffer, 0, Buffer.Length);
//CreatePdf.Close();
#endregion
var filtered = stmt.AsEnumerable().Where(a => a.Field<string>("statementnumber") == stmtnumber);
DataView z = filtered.AsDataView();
DataTable ccc = z.ToTable();
XmlFilename = @"d:\XML\" + stmtnumber + ".xml";
System.IO.FileStream streamWrite = new System.IO.FileStream (XmlFilename, System.IO.FileMode.Create);
ccc.WriteXml(streamWrite);
streamWrite.Close();
ccc.Clear();
XElement xEle = XElement.Load(@"d:\XML\" + stmtnumber + ".xml");
var snumber = xEle.Elements("MetaDataDetail").Elements("STATEMENTNUMBER").ToList();
foreach (XElement PLE in snumber)
PLE.Remove();
xEle.Save(@"d:\XML\" + stmtnumber + ".xml");
}
sw.Stop();
Console.WriteLine("Time :{0}", sw.Elapsed);
Console.WriteLine("one Oz :{0} \n two oz {1} \n Three Oz {2}", pgcount1oz, pgcount2oz, pgcount3oz);
Console.Read();
}
public static DataTable GetFilteredTable(DataTable dt, object statementNumber)
{
var detailRows = dt.Select(String.Format("statementnumber = {0}", statementNumber));
var filteredDt = dt.Clone();
foreach (var detailRow in detailRows)
{
filteredDt.Rows.Add(detailRow.ItemArray);
}
return filteredDt;
}
public static int GetNoOfPagesPDF(string FileName)
{
int result = 0;
FileStream fs = new FileStream(FileName, FileMode.Open, FileAccess.Read);
StreamReader r = new StreamReader(fs);
string pdfText = r.ReadToEnd();
System.Text.RegularExpressions.Regex regx = new Regex(@"/Type\s*/Page[^s]");
System.Text.RegularExpressions.MatchCollection matches = regx.Matches(pdfText);
result = matches.Count;
return result;
}
public static int sort(string stmtnumber,int PageCount )
{
if (PageCount <= 4)
{
System.IO.File.Copy(@"d:\pdf1\" + stmtnumber + ".pdf", @"d:\pdf\1oZ\" + stmtnumber + ".pdf");
}
else if (PageCount > 4 || PageCount <= 9)
{
System.IO.File.Copy(@"d:\pdf1\" + stmtnumber + ".pdf", @"d:\pdf\2oZ\" + stmtnumber + ".pdf");
}
else if (PageCount >= 9)
{
System.IO.File.Copy(@"d:\pdf1\" + stmtnumber + ".pdf", @"d:\pdf\3oZ\" + stmtnumber + ".pdf");
}
return 0;
}
static void RecompressExistingImages(string fileName, string outputName)
{
using (BitMiracle.Docotic.Pdf.PdfDocument doc = new BitMiracle.Docotic.Pdf.PdfDocument(fileName))
{
foreach (PdfImage image in doc.Images)
image.RecompressWithJpeg();
doc.Save(outputName);
}
}
//private static void MergeMultiplePDFIntoSinglePDF(string outputFilePath, string[] pdfFiles)
//{
// Console.WriteLine("Merging started.....");
// PdfDocument outputPDFDocument = new PdfDocument();
// foreach (string pdfFile in pdfFiles)
// {
// PdfDocument inputPDFDocument = PdfReader.Open(pdfFile, PdfDocumentOpenMode.Import);
// outputPDFDocument.Version = inputPDFDocument.Version;
// foreach (PdfPage page in inputPDFDocument.Pages)
// {
// outputPDFDocument.AddPage(page);
// }
// }
// outputPDFDocument.Save(outputFilePath);
// Console.WriteLine("Merging Completed");
//}
}
}