public static void MergeManyShpFile(string[] filenames, string TargetFile)
{
BinaryReader binaryReader1 = null;
FileStream fileStream1 = null;
fileStream1 = new FileStream(filenames[0], FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader1 = new BinaryReader(fileStream1);
ShpHeader newShpHeader1 = new ShpHeader();//定义header
newShpHeader1 = ShpFunction.ReadShpHeader(binaryReader1);
ShpFileBody newShpBody1 = new ShpFileBody();
FileStream fileStream2 = null;
BinaryWriter binaryWriter1 = null;
// 首先判断，文件是否已经存在
if (File.Exists(TargetFile))
{
File.Delete(TargetFile);// 如果文件已经存在，那么删除掉.
}
fileStream2 = new FileStream(TargetFile, FileMode.Create, FileAccess.Write, FileShare.None);
binaryWriter1 = new BinaryWriter(fileStream2);
//大端格式写入fileCode；
ShpFunction.WriteShpHeader(binaryWriter1, newShpHeader1);
//先将第一个文件的shpheader写入新文件中
while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
{
newShpBody1 = ShpFunction.ReadShpFileBody(binaryReader1);
ShpFunction.WriteShpBody(binaryWriter1, newShpBody1);
}
int k = newShpBody1.recordNo;//记录第一个文件记录的编号
//读入并写入第一个文件
BinaryReader binaryReader = null;
FileStream fileStream = null;
ShpHeader newShpHeader = new ShpHeader();//定义header
ShpFileBody newShpBody = new ShpFileBody();
for (int i = 1; i < filenames.Length; i++)
{
fileStream = new FileStream(filenames[i], FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader = new BinaryReader(fileStream);
newShpHeader = ShpFunction.ReadShpHeader(binaryReader);
newShpHeader1 = ShpFunction.MergeShpHeader(newShpHeader, newShpHeader1);
//合并文件头
while (binaryReader.BaseStream.Position < binaryReader.BaseStream.Length)
{
newShpBody = ShpFunction.ReadShpFileBody(binaryReader);
newShpBody.recordNo = ++k;//通过循环将记录不断增加1
ShpFunction.WriteShpBody(binaryWriter1, newShpBody);
}
}//读取文件头和文件记录，将文件头合并，将文件记录读入
fileStream2.Position = 0;
ShpFunction.WriteShpHeader(binaryWriter1, newShpHeader1);
//后面的操作是将指针回到顶点，然后将合并后的shp头写入到新文件中
}
public static void WriteShpHeader(BinaryWriter binaryWriter, ShpHeader shpHeader)
{
ShpFunction.WriteInt32WithBigEnduim(binaryWriter, shpHeader.fileCode);
ShpFunction.WriteInt32WithBigEnduim(binaryWriter, shpHeader.unUse1);
ShpFunction.WriteInt32WithBigEnduim(binaryWriter, shpHeader.unUse2);
ShpFunction.WriteInt32WithBigEnduim(binaryWriter, shpHeader.unUse3);
ShpFunction.WriteInt32WithBigEnduim(binaryWriter, shpHeader.unUse4);
ShpFunction.WriteInt32WithBigEnduim(binaryWriter, shpHeader.unUse5);
ShpFunction.WriteInt32WithBigEnduim(binaryWriter, shpHeader.fileLength);
binaryWriter.Write(shpHeader.fileVersion);
binaryWriter.Write(shpHeader.shapeType);
ShpFunction.WriteBoundingBox(binaryWriter, shpHeader.boundingBox);
//写header逻辑
}
public static ShpHeader ReadShpHeader(BinaryReader binaryReader)
{
ShpHeader shpHeader = new ShpHeader();
shpHeader.fileCode = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpHeader.unUse1 = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpHeader.unUse2 = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpHeader.unUse3 = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpHeader.unUse4 = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpHeader.unUse5 = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpHeader.fileLength = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpHeader.fileVersion = binaryReader.ReadInt32();
shpHeader.shapeType = binaryReader.ReadInt32();
shpHeader.boundingBox = ShpFunction.ReadBoundingBox(binaryReader);
//读取逻辑
return(shpHeader);
}
public static ShpHeader MergeShpHeader(ShpHeader shpHeader1, ShpHeader ShpHeader2)
{
ShpHeader newShpHeader = new ShpHeader();
newShpHeader.fileCode = shpHeader1.fileCode;
newShpHeader.unUse1 = shpHeader1.unUse1;
newShpHeader.unUse2 = shpHeader1.unUse2;
newShpHeader.unUse3 = shpHeader1.unUse3;
newShpHeader.unUse4 = shpHeader1.unUse4;
newShpHeader.unUse5 = shpHeader1.unUse5;
newShpHeader.fileLength = shpHeader1.fileLength + ShpHeader2.fileLength - 50;
newShpHeader.fileVersion = shpHeader1.fileVersion;
newShpHeader.shapeType = shpHeader1.shapeType;
newShpHeader.boundingBox = ShpFunction.MergeBoundingBox(shpHeader1.boundingBox, ShpHeader2.boundingBox);
//合并逻辑
return(newShpHeader);
}
public static string ShowString(string TextFileName)
{
BinaryReader binaryReader = null;
FileStream fileStream = null;
string allLine = null;
try
{
fileStream = new FileStream(TextFileName, FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader = new BinaryReader(fileStream);
ShpHeader newShpHeader = new ShpHeader();//定义header
newShpHeader = ShpFunction.ReadShpHeader(binaryReader);
ShpFileBody newShpBody = new ShpFileBody();
allLine = allLine + ShpFunction.ShpHeader_to_String(newShpHeader);
//大端格式读出记录编号，长度
while (binaryReader.BaseStream.Position < binaryReader.BaseStream.Length)
{
newShpBody = ShpFunction.ReadShpFileBody(binaryReader);
allLine = allLine + ShpFunction.ShpBody_to_String(newShpBody);
}
ShpFunction.CloseReader(binaryReader, fileStream);
}
catch (Exception ex)
{
Console.WriteLine("在读取文件的过程中，发生了异常！");
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
finally
{
if (fileStream != null)
{
try
{
fileStream.Close();
}
catch
{
// 最后关闭文件，无视关闭是否会发生错误了.
}
}
}
return(allLine);
}
//string
public static string ShpHeader_to_String(ShpHeader shpHeader)
{
string allLine = "";
allLine = allLine + "文件的filecode：" + shpHeader.fileCode + "\r\n";
allLine = allLine + "unUse1：" + shpHeader.unUse1 + "\r\n";
allLine = allLine + "unUse2：" + shpHeader.unUse2 + "\r\n";
allLine = allLine + "unUse3：" + shpHeader.unUse3 + "\r\n";
allLine = allLine + "unUse4：" + shpHeader.unUse4 + "\r\n";
allLine = allLine + "unUse5：" + shpHeader.unUse5 + "\r\n";
allLine = allLine + "fileLength：" + shpHeader.fileLength + "字节\r\n";
allLine = allLine + "fileVersion：" + shpHeader.fileVersion + "\r\n";
allLine = allLine + "shapeType：" + shpHeader.shapeType + "\r\n";
allLine = allLine + "xMin：" + shpHeader.boundingBox.xMin + "\r\n";
allLine = allLine + "yMin：" + shpHeader.boundingBox.yMin + "\r\n";
allLine = allLine + "xMax：" + shpHeader.boundingBox.xMax + "\r\n";
allLine = allLine + "yMax：" + shpHeader.boundingBox.yMax + "\r\n";
allLine = allLine + "zMin：" + shpHeader.boundingBox.zMin + "\r\n";
allLine = allLine + "zMax：" + shpHeader.boundingBox.zMax + "\r\n";
allLine = allLine + "mMin：" + shpHeader.boundingBox.mMin + "\r\n";
allLine = allLine + "mMax：" + shpHeader.boundingBox.mMax + "\r\n";
return(allLine);
}
public static void MergeShp(String TextFileName, String TextFileName1, String TextFileName2)
{
BinaryReader binaryReader = null;
BinaryReader binaryReader1 = null;
FileStream fileStream = null;
FileStream fileStream1 = null;
try
{
fileStream = new FileStream(TextFileName, FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader = new BinaryReader(fileStream);
ShpHeader newShpHeader = new ShpHeader();//定义header
newShpHeader = ShpFunction.ReadShpHeader(binaryReader);
ShpFileBody newShpBody = new ShpFileBody();
fileStream1 = new FileStream(TextFileName1, FileMode.Open, FileAccess.Read, FileShare.None);
binaryReader1 = new BinaryReader(fileStream1);
ShpHeader newShpHeader1 = new ShpHeader();//定义header
newShpHeader1 = ShpFunction.ReadShpHeader(binaryReader1);
ShpFileBody newShpBody1 = new ShpFileBody();
//写入新文件
FileStream fileStream2 = null;
BinaryWriter binaryWriter = null;
// 首先判断，文件是否已经存在
if (File.Exists(TextFileName2))
{
File.Delete(TextFileName2);// 如果文件已经存在，那么删除掉.
}
fileStream2 = new FileStream(TextFileName2, FileMode.Create, FileAccess.Write, FileShare.None);
binaryWriter = new BinaryWriter(fileStream2);
//大端格式写入fileCode；
newShpHeader = ShpFunction.MergeShpHeader(newShpHeader, newShpHeader1);
//合并文件头
ShpFunction.WriteShpHeader(binaryWriter, newShpHeader);
while (binaryReader.BaseStream.Position < binaryReader.BaseStream.Length)
{
newShpBody = ShpFunction.ReadShpFileBody(binaryReader);
ShpFunction.WriteShpBody(binaryWriter, newShpBody);
}
while (binaryReader1.BaseStream.Position < binaryReader1.BaseStream.Length)
{
newShpBody1 = ShpFunction.ReadShpFileBody(binaryReader1);
newShpBody1.recordNo = newShpBody1.recordNo + newShpBody.recordNo;
ShpFunction.WriteShpBody(binaryWriter, newShpBody1);
}
//大端格式读出记录编号，长度
ShpFunction.CloseReader(binaryReader, fileStream);
ShpFunction.CloseReader(binaryReader1, fileStream1);
ShpFunction.CloseWriter(binaryWriter, fileStream2);
}
catch (Exception ex)
{
Console.WriteLine("在读取文件的过程中，发生了异常！");
Console.WriteLine(ex.Message);
Console.WriteLine(ex.StackTrace);
}
finally
{
if (fileStream != null)
{
try
{
fileStream.Close();
}
catch
{
// 最后关闭文件，无视关闭是否会发生错误了.
}
}
}
//合并逻辑
}
