C#操作文件、文件夹（复制、删除、新增、设置只读）-技术&分享

C#操作文件、文件夹（复制、删除、新增、设置只读）-技术&分享

using System;
using System.IO;
using System.Windows;
using System.Windows.Documents;
using System.Xml;

namespace WorkItemCreateBussiness.HzClass
{
public class HzFile
{
/// <summary>
/// 删除指定文件夹下的所有文件和子文件夹
/// </summary>
/// <param name="fileFolder">指定删除的文件夹路径</param>
/// <param name="isDeleteCurrentFolder">是否删除指定文件夹，true:删除;false:不删除</param>
/// <returns>成功返回true,失败返回false</returns>
public bool DeleteFolder(string fileFolder,bool isDeleteCurrentFolder)
{
try
{
if (Directory.Exists(fileFolder))
{
foreach (var file in Directory.GetFiles(fileFolder, "*.*", SearchOption.AllDirectories))
{
File.SetAttributes(file, System.IO.FileAttributes.Normal);
File.Delete(file);
}
Directory.Delete(fileFolder, true);
if (!isDeleteCurrentFolder)
{
Directory.CreateDirectory(fileFolder);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return false;
}
return true;

}

/// <summary>
/// Hzfile
/// 获取指定文件的扩展名
/// </summary>
/// <param name="filePath">指定文件的文件夹绝对路径</param>
/// <returns>返回文件的扩展名，如果文件扩展名为空或文件路径错误则返回空</returns>
public string GetFileExtension(string filePath)
{
string filePathExtension = "";
try
{
if (Directory.Exists(filePath))
{
filePathExtension = filePath.Substring(filePath.LastIndexOf(".") + 1);
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return "";
}
return filePathExtension;
}

public void CopyBaseSql(string fromFolder, string toFolder) //拷贝sql目录下的标准sql文件到\Upgrade\BaseCode\Code目录下
{
try
{

string shortFolderName;
if (toFolder.IndexOf("相关文档") > -1)
{
if (Directory.Exists(toFolder))
{
Directory.Delete(toFolder, true);
}
Directory.CreateDirectory(toFolder);
}
//File.SetAttributes(to,FileAttributes.Hidden);

// 子文件夹
foreach (string sub in Directory.GetDirectories(fromFolder))
{
shortFolderName = sub.Substring(sub.LastIndexOf("\\") + 1, sub.Length - sub.LastIndexOf("\\") - 1);
CopyBaseSql(sub + "\\", toFolder + "\\" + Path.GetFileName(sub));
}
//文件
foreach (string file in Directory.GetFiles(fromFolder))
{
File.Copy(file, toFolder + "\\" + Path.GetFileName(file), true);
}
}
catch
{
//MessageBox.Show("创建sql文件失败");
}
}

/// <summary>
/// Hzfile
/// 拷贝fromFolder文件夹所有的子目录和文件到toFolder文件夹下
/// </summary>
/// <param name="fromFolder">需要拷贝的文件夹</param>
/// <param name="toFolder">拷贝到的文件夹的路径</param>
/// <returns>如果存在异常返回true，否则返回false</returns>
public bool CopyFolder(string fromFolder, string toFolder)
{
try
{
if (Directory.Exists(toFolder))
{
Directory.Delete(toFolder, true);
}
Directory.CreateDirectory(toFolder);
// 子文件夹
foreach (string sub in Directory.GetDirectories(fromFolder))
{
//shortFolderName = sub.Substring(sub.LastIndexOf("\\") + 1, sub.Length - sub.LastIndexOf("\\") - 1);
CopyFolder(sub + "\\", toFolder + "\\" + Path.GetFileName(sub));
}
//文件
foreach (string file in Directory.GetFiles(fromFolder))
{
File.Copy(file, toFolder + "\\" + Path.GetFileName(file), true);
}
}
catch(Exception ex)
{
//MessageBox.Show("创建sql文件失败");
return false;
}
return true;
}

/// <summary>
/// Hzfile
/// 拷贝fromFolder文件夹到toFolder文件夹下
/// </summary>
/// <param name="fromFolder">需要拷贝的文件夹</param>
/// <param name="toFolder">拷贝到的文件夹的路径</param>
/// <returns>如果存在异常返回true，否则返回false</returns>
public bool CopyFileToCommonFolder(string fromFolder, string toCommonFolder)
{
try
{
if (Directory.Exists(toCommonFolder))
{
Directory.Delete(toCommonFolder, true);
}
Directory.CreateDirectory(toCommonFolder);
//文件
foreach (string file in Directory.GetFiles(fromFolder,"*.*",SearchOption.AllDirectories))
{
File.Copy(file, toCommonFolder + "\\" + Path.GetFileName(file), true);
}
}
catch (Exception ex)
{
//MessageBox.Show("创建sql文件失败");
return false;
}
return true;
}

/// <summary>
/// Hzfile
/// 拷贝fromFolder文件夹到toFolder文件夹下,
/// </summary>
/// <param name="fromFolder">需要拷贝的文件夹</param>
/// <param name="toFolder">拷贝到的文件夹的路径</param>
/// <returns>如果存在异常返回true，否则返回false</returns>
public bool CopyFileToCommonFolder(string fromFolder, string toCommonFolder,XmlDocument xmlDoc,string xPath)
{
try
{
if (Directory.Exists(toCommonFolder))
{
Directory.Delete(toCommonFolder, true);
}
Directory.CreateDirectory(toCommonFolder);
//文件
foreach (string file in Directory.GetFiles(fromFolder, "*.*", SearchOption.AllDirectories))
{
string fileFullName = Path.GetFullPath(file);
string fileName = Path.GetFileName(file);
string folder=fileFullName.Substring(fromFolder.Length, fileFullName.Length - fromFolder.Length - fileName.Length - 1);
XmlNodeList fileNode = xmlDoc.SelectNodes(@"Mysoft.Data/UpgradeData/Package/Code/File[@fileName=" + "'" + fileName + "'and @folder=" + "'" + folder + "'" + "]");
if (fileNode.Count == 1)
{
string updateFileName = fileNode.Item(0).SelectSingleNode("FileContent").Attributes["fileName"].Value;
File.Copy(file, toCommonFolder + "\\" + updateFileName, true);
}

//string fileName = FileNode.ChildNodes[0].Attributes["fileName"].Value;
//File.Copy(file, toCommonFolder + "\\" + fileName, true);
}
}
catch (Exception ex)
{
//MessageBox.Show("创建sql文件失败");
return false;
}
return true;
}

/// <summary>
/// Hzfile
/// 判断rightFolder种的一个文件在leftFolder中是否存在
/// </summary>
/// <param name="leftFolder">修复前文件夹</param>
/// <param name="rightFolder">修复后文件夹</param>
/// <param name="rightFile">需要确认是否存在的文件rightFile</param>
/// <returns>右侧文件夹map路径下文件rightFile，在左边文件夹map目录下也存在，存在则返回edit，否则返回add</returns>
public string DiffFileExit(string leftFolder, string rightFolder,string rightFile)
{
try
{
if (Directory.Exists(leftFolder) && Directory.Exists(rightFolder))
{
//if (File.Exists(leftFolder.Substring(0, rightFile.IndexOf("after")+6) +rightFile.Substring(rightFile.IndexOf("after")+5)))
if (File.Exists(leftFolder + rightFile))
{
return "edit";
}
else
{
return "add";
}
}
else
{
return "";
}
}
catch (Exception ex)
{
//MessageBox.Show(ex.Message);
return "";
}
return "";

}

/// <summary>
/// 文件夹、子文件夹、文件去只读
/// </summary>
/// <param name="dirPath">指定去只读的文件夹路径</param>
/// <returns>成功返回true,失败返回false</returns>
public bool SetNotReadOnly(string dirPath)
{
try
{
string[] dirPathes = Directory.GetDirectories(dirPath, "*.*", SearchOption.AllDirectories);
foreach (var dp in dirPathes)
{
if (!Directory.Exists(dp))
{
continue;
}

DirectoryInfo dir = new DirectoryInfo(dp);
dir.Attributes = FileAttributes.Normal & FileAttributes.Directory;

string[] filePathes = Directory.GetFiles(dp, "*.*", SearchOption.AllDirectories);
foreach (var fp in filePathes)
{
File.SetAttributes(fp, FileAttributes.Normal);
}
}
}
catch (Exception ex)
{
MessageBox.Show(ex.Message);
return false;
}
return true;
}
}
}