public static void MergeManyShpFile(string[] sourceFiles, String saveFileName, BackgroundWorker worker, DoWorkEventArgs e)
{
BinaryReader binaryReader1 = null;
FileStream fileStreamRead = null;
FileStream fileStreamWrite = null;
fileStreamWrite = new FileStream(saveFileName, FileMode.Create, FileAccess.Write);
BinaryWriter binaryWriter = new BinaryWriter(fileStreamWrite);
Record record = new Record();
int recordLastNum = 0;
ShpFileHeader shpFileHeaderTatal = new ShpFileHeader();
ShpFileHeader shpFileHeaderRead = new ShpFileHeader();
for (int i = 0; i < sourceFiles.Length; i++)
{
fileStreamRead = new FileStream(sourceFiles[i], FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader1 = new BinaryReader(fileStreamRead);
shpFileHeaderRead = ShapeFileFunction.ReadShpFileHeader(binaryReader1);
if (i == 0)
{
ShapeFileFunction.WriteShpFileHeader(shpFileHeaderRead, binaryWriter);
shpFileHeaderTatal = shpFileHeaderRead;
}
else
{
shpFileHeaderTatal = ShapeFileFunction.MergeShpHeader(shpFileHeaderTatal, shpFileHeaderRead);
}
while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
{
record = ShapeFileFunction.ReadRecord(binaryReader1);
record.recordNum = recordLastNum++;
ShapeFileFunction.WriteRecord(record, binaryWriter);
}
binaryReader1.Close();
fileStreamRead.Close();
worker.ReportProgress(i * 100 / (sourceFiles.Length - 1));
// Thread.Sleep(200);
if (worker.CancellationPending)
{
fileStreamWrite.Seek(0, SeekOrigin.Begin);
WriteShpFileHeader(shpFileHeaderTatal, binaryWriter);
binaryWriter.Close();
fileStreamWrite.Close();
e.Cancel = true;
return;
}
}
fileStreamWrite.Seek(0, SeekOrigin.Begin);
WriteShpFileHeader(shpFileHeaderTatal, binaryWriter);
binaryWriter.Close();
fileStreamWrite.Close();
}
public static void WriteShpFileHeader(ShpFileHeader shpFileHeader, BinaryWriter binaryWriter)
{
WriteInt32UsingBigEndian(shpFileHeader.fileCode, binaryWriter);
WriteInt32UsingBigEndian(shpFileHeader.unUsed1, binaryWriter);
WriteInt32UsingBigEndian(shpFileHeader.unUsed2, binaryWriter);
WriteInt32UsingBigEndian(shpFileHeader.unUsed3, binaryWriter);
WriteInt32UsingBigEndian(shpFileHeader.unUsed4, binaryWriter);
WriteInt32UsingBigEndian(shpFileHeader.unUsed5, binaryWriter);
WriteInt32UsingBigEndian(shpFileHeader.fileLength, binaryWriter);
binaryWriter.Write(shpFileHeader.fileVerion);
binaryWriter.Write(shpFileHeader.shapeType);
WriteBoundingBox(shpFileHeader.boundingBox, binaryWriter);
}
public static ShpFileHeader ReadShpFileHeader(BinaryReader binaryReader)
{
ShpFileHeader shpFileHeader = new ShpFileHeader();
shpFileHeader.fileCode = ReadInt32UsingBigEndian(binaryReader);
shpFileHeader.unUsed1 = ReadInt32UsingBigEndian(binaryReader);
shpFileHeader.unUsed2 = ReadInt32UsingBigEndian(binaryReader);
shpFileHeader.unUsed3 = ReadInt32UsingBigEndian(binaryReader);
shpFileHeader.unUsed4 = ReadInt32UsingBigEndian(binaryReader);
shpFileHeader.unUsed5 = ReadInt32UsingBigEndian(binaryReader);
shpFileHeader.fileLength = ReadInt32UsingBigEndian(binaryReader);
shpFileHeader.fileVerion = binaryReader.ReadInt32();
shpFileHeader.shapeType = binaryReader.ReadInt32();
shpFileHeader.boundingBox = ReadBoundingBox(binaryReader);
return(shpFileHeader);
}
public static void MergeManyShpFile(string[] sourceFiles, String saveFileName, ContorlMinAndMaxValue contorlMinAndMaxValue, RefreshValue refreshValue)
{
BinaryReader binaryReader1 = null;
FileStream fileStreamRead = null;
FileStream fileStreamWrite = null;
fileStreamWrite = new FileStream(saveFileName, FileMode.Create, FileAccess.Write);
BinaryWriter binaryWriter = new BinaryWriter(fileStreamWrite);
Record record = new Record();
int recordLastNum = 0;
ShpFileHeader shpFileHeaderTatal = new ShpFileHeader();
ShpFileHeader shpFileHeaderRead = new ShpFileHeader();
contorlMinAndMaxValue(0, sourceFiles.Length - 1);
for (int i = 0; i < sourceFiles.Length; i++)
{
fileStreamRead = new FileStream(sourceFiles[i], FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader1 = new BinaryReader(fileStreamRead);
shpFileHeaderRead = ShapeFileFunction.ReadShpFileHeader(binaryReader1);
if (i == 0)
{
ShapeFileFunction.WriteShpFileHeader(shpFileHeaderRead, binaryWriter);
shpFileHeaderTatal = shpFileHeaderRead;
}
else
{
shpFileHeaderTatal = ShapeFileFunction.MergeShpHeader(shpFileHeaderTatal, shpFileHeaderRead);
}
while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
{
record = ShapeFileFunction.ReadRecord(binaryReader1);
record.recordNum = recordLastNum++;
ShapeFileFunction.WriteRecord(record, binaryWriter);
}
binaryReader1.Close();
fileStreamRead.Close();
Thread.Sleep(500);
refreshValue(i);
}
fileStreamWrite.Seek(0, SeekOrigin.Begin);
WriteShpFileHeader(shpFileHeaderTatal, binaryWriter);
binaryWriter.Close();
fileStreamWrite.Close();
}
public static void MergeTwoShpFile(string sourceFileName1, string sourceFileName2, String saveFileName)
{
BinaryReader binaryReader1 = null;
BinaryReader binaryReader2 = null;
FileStream fileStream1 = null;
FileStream fileStream2 = null;
FileStream fileStream3 = null;
try
{
fileStream1 = new FileStream(sourceFileName1, FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader1 = new BinaryReader(fileStream1);
fileStream2 = new FileStream(sourceFileName2, FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader2 = new BinaryReader(fileStream2);
fileStream3 = new FileStream(saveFileName, FileMode.Create, FileAccess.Write);
BinaryWriter binaryWriter = new BinaryWriter(fileStream3);
ShpFileHeader shpFileHeader1 = new ShpFileHeader();
shpFileHeader1 = ShapeFileFunction.ReadShpFileHeader(binaryReader1);
ShpFileHeader shpFileHeader2 = new ShpFileHeader();
shpFileHeader2 = ShapeFileFunction.ReadShpFileHeader(binaryReader2);
ShpFileHeader shpFileHeader3 = ShapeFileFunction.MergeShpHeader(shpFileHeader1, shpFileHeader2);
ShapeFileFunction.WriteShpFileHeader(shpFileHeader3, binaryWriter);
MergeShpRecord(binaryReader1, binaryReader2, binaryWriter);
binaryReader1.Close();
fileStream1.Close();
binaryReader2.Close();
fileStream2.Close();
binaryReader1 = null;
binaryReader2 = null;
fileStream1 = null;
fileStream2 = null;
fileStream3 = null;
binaryWriter.Close();
fileStream2.Close();
}
catch (Exception ex)
{
Console.WriteLine("在合并文件的过程中，发生了异常！");
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
finally
{
if (fileStream1 != null || fileStream2 != null || fileStream3 != null)
{
try
{
fileStream1.Close();
fileStream2.Close();
fileStream3.Close();
}
catch
{
// 最后关闭文件，无视关闭是否会发生错误了.
}
}
}
}
public static ShpFileHeader MergeShpHeader(ShpFileHeader shpFileHeader1, ShpFileHeader shpFileHeader2)
{
shpFileHeader1.fileLength = shpFileHeader1.fileLength + shpFileHeader2.fileLength - 50;
shpFileHeader1.boundingBox = MergeBoundingBox(shpFileHeader1.boundingBox, shpFileHeader2.boundingBox);
return(shpFileHeader1);
}