public static ShpFileBody ReadShpFileBody(BinaryReader binaryReader)
{
ShpFileBody shpBody = new ShpFileBody();
shpBody.recordNo = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpBody.recordLength = ShpFunction.ReadInt32WithBigEnduim(binaryReader);
shpBody.recordContent = binaryReader.ReadBytes(shpBody.recordLength * 2);
//读取逻辑
return(shpBody);
}
private void button1_Click(object sender, EventArgs e)
{
TextFileName = localFilePath;
string allLine = null;
if (!File.Exists(TextFileName)) // 首先判断，文件是否已经存在
{
MessageBox.Show(TextFileName + "文件不存在！"); // 如果文件不存在，那么提示无法读取！
return;
}
allLine = ShpFunction.ShowString(TextFileName);
textBox1.Text = allLine;
}
private void ReadFileBtn_Click(object sender, EventArgs e)
{
TextFileName = textBox2.Text.Trim();
string allLine = null;
if (!File.Exists(TextFileName))
{
MessageBox.Show(TextFileName + "文件不存在！");// 如果文件不存在，那么提示无法读取！
return;
}
allLine = ShpFunction.ShowString(TextFileName);
ShowTxt.Text = allLine;
}
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 void MergeManyShpFile(string[] filenames, string tempfile, string TargetFile)
{
ShpFunction.MergeShp(filenames[0], filenames[1], tempfile);
string temp = "";
for (int i = 2; i < filenames.Length; i++)
{
ShpFunction.MergeShp(filenames[i], tempfile, TargetFile);
temp = tempfile;
tempfile = TargetFile;
TargetFile = temp;
}
File.Delete(tempfile);
}
private void button6_Click(object sender, EventArgs e)
{
string foldPath = "";
string tempfile = "";
string TargetFile = "";
FolderBrowserDialog dialog = new FolderBrowserDialog();
dialog.Description = "请选择文件路径";
if (dialog.ShowDialog() == DialogResult.OK)
{
foldPath = dialog.SelectedPath;
}//获取文件夹名字
string[] filenames = Directory.GetFiles(foldPath, "*.shp"); //获取该文件夹下面的所有文件名并限制文件读取的类型
MessageBox.Show("请选择合并所有文件后的总文件地址");
SaveFileDialog sfd = new SaveFileDialog();
sfd.Filter = "Shp文件|*.shp"; //设置文件类型
sfd.Title = "请选择合并所有文件后的总文件地址";
sfd.FilterIndex = 1; //设置默认文件类型显示顺序
sfd.RestoreDirectory = true; //保存对话框是否记忆上次打开的目录
if (sfd.ShowDialog() == DialogResult.OK) //点了保存按钮进入
{
TargetFile = sfd.FileName;
}
sfd.Dispose();//设置目的文件储存位置
MessageBox.Show("由于需要缓存空间，请选择缓存文件的地址（在合并完成后会删除，不会对其他空间进行占用）");
SaveFileDialog sfd1 = new SaveFileDialog();
sfd1.Title = "请选择缓存文件的地址";
sfd1.Filter = "Shp文件|*.shp"; //设置文件类型
sfd1.FilterIndex = 1; //设置默认文件类型显示顺序
sfd1.RestoreDirectory = true; //保存对话框是否记忆上次打开的目录
if (sfd1.ShowDialog() == DialogResult.OK) //点了保存按钮进入
{
tempfile = sfd1.FileName;
}
sfd1.Dispose(); //设置缓存文件储存位置
TimeSpan ts1 = new TimeSpan(DateTime.Now.Ticks); //获取当前时间的刻度数
ShpFunction.MergeManyShpFile(filenames, tempfile, TargetFile);
TimeSpan ts2 = new TimeSpan(DateTime.Now.Ticks);
TimeSpan ts = ts2.Subtract(ts1).Duration(); //时间差的绝对值
String spanTime = ts.Hours.ToString() + "小时" + ts.Minutes.ToString() + "分" + ts.Seconds.ToString() + "秒" + ts.Milliseconds.ToString() + "毫秒"; //以X小时X分X秒的格式现实执行时间
MessageBox.Show("合并结束，耗时" + spanTime);
}
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);
}
public static void MergeManyShpFile(string[] filenames, string TargetFile)
{
string Temp1 = TargetFile.Substring(TargetFile.LastIndexOf("\\"), TargetFile.Length - TargetFile.LastIndexOf("\\"));
string tempfile = TargetFile.Replace(Temp1, "") + "\\Tempfile.shp";
ShpFunction.MergeShp(filenames[0], filenames[1], tempfile);
string temp = "";
for (int i = 2; i < filenames.Length; i++)
{
ShpFunction.MergeShp(filenames[i], tempfile, TargetFile);
temp = tempfile;
tempfile = TargetFile;
TargetFile = temp;
}
File.Copy(tempfile, TargetFile, true);
File.Delete(tempfile);
}
private void button3_Click(object sender, EventArgs e)
{
TextFileName = textBox2.Text.Trim();
TextFileName1 = textBox3.Text.Trim();
SaveFileDialog sfd = new SaveFileDialog(); //string localFilePath, fileNameExt, newFileName, FilePath;
sfd.Filter = "Shp文件|*.shp"; //设置文件类型
sfd.FilterIndex = 1; //设置默认文件类型显示顺序
sfd.RestoreDirectory = true; //保存对话框是否记忆上次打开的目录
if (sfd.ShowDialog() == DialogResult.OK) //点了保存按钮进入
{
localFilePath = sfd.FileName.ToString(); //获得文件路径
string fileNameExt = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1); //获取文件名，不带路径
}
TextFileName2 = localFilePath;
if (!File.Exists(TextFileName) && !File.Exists(TextFileName1)) // 首先判断，文件是否已经存在
{
MessageBox.Show(TextFileName + "文件不存在！"); // 如果文件不存在，那么提示无法读取！
return;
}
ShpFunction.MergeShp(TextFileName, TextFileName1, TextFileName2);
MessageBox.Show("合并成功！");
}
private void button6_Click(object sender, EventArgs e)
{
string foldPath = "";
FolderBrowserDialog dialog = new FolderBrowserDialog();
dialog.Description = "请选择文件路径";
if (dialog.ShowDialog() == DialogResult.OK)
{
foldPath = dialog.SelectedPath;
MessageBox.Show("已选择文件夹:" + foldPath, "选择文件夹提示", MessageBoxButtons.OK, MessageBoxIcon.Information);
}//获取文件夹名字
string[] filenames = Directory.GetFiles(foldPath); //获取该文件夹下面的所有文件名
SaveFileDialog sfd = new SaveFileDialog(); //string localFilePath, fileNameExt, newFileName, FilePath;
sfd.Filter = "Shp文件|*.shp"; //设置文件类型
sfd.FilterIndex = 1; //设置默认文件类型显示顺序
sfd.RestoreDirectory = true; //保存对话框是否记忆上次打开的目录
if (sfd.ShowDialog() == DialogResult.OK) //点了保存按钮进入
{
localFilePath = sfd.FileName.ToString(); //获得文件路径
string fileNameExt = localFilePath.Substring(localFilePath.LastIndexOf("\\") + 1); //获取文件名，不带路径
}
TextFileName2 = localFilePath;
TextFileName1 = "d:\\hhhh.shp";
string temp = "";
for (int i = 0; i < filenames.Length; i++)
{
File.Delete(TextFileName2);
ShpFunction.MergeShp(filenames[i], TextFileName1, TextFileName2);
temp = TextFileName1;
TextFileName1 = TextFileName2;
TextFileName2 = temp;
}
}
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
}
