C#操作文件、文件夾（復制、刪除、新增、設置只讀）-技術&分享
using System;
using System.IO;
using System.Windows;
using System.Windows.Documents;
using System.Xml;
namespace WorkItemCreateBussiness.HzClass
{
public class HzFile
{
///
/// 刪除指定文件夾下的所有文件和子文件夾
///
/// 指定刪除的文件夾路徑
/// 是否刪除指定文件夾，true:刪除;false:不刪除
/// 成功返回true,失敗返回false
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;
}
///
/// Hzfile
/// 獲取指定文件的擴展名
///
/// 指定文件的文件夾絕對路徑
/// 返回文件的擴展名，如果文件擴展名為空或文件路徑錯誤則返回空
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) //拷貝sql目錄下的標准sql文件到\Upgrade\BaseCode\Code目錄下
{
try
{
string shortFolderName;
if (toFolder.IndexOf("相關文檔") > -1)
{
if (Directory.Exists(toFolder))
{
Directory.Delete(toFolder, true);
}
Directory.CreateDirectory(toFolder);
}
//File.SetAttributes(to,FileAttributes.Hidden);
// 子文件夾
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("創建sql文件失敗");
}
}
///
/// Hzfile
/// 拷貝fromFolder文件夾所有的子目錄和文件到toFolder文件夾下
///
/// 需要拷貝的文件夾
/// 拷貝到的文件夾的路徑
/// 如果存在異常返回true，否則返回false
public bool CopyFolder(string fromFolder, string toFolder)
{
try
{
if (Directory.Exists(toFolder))
{
Directory.Delete(toFolder, true);
}
Directory.CreateDirectory(toFolder);
// 子文件夾
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("創建sql文件失敗");
return false;
}
return true;
}
///
/// Hzfile
/// 拷貝fromFolder文件夾到toFolder文件夾下
///
/// 需要拷貝的文件夾
/// 拷貝到的文件夾的路徑
/// 如果存在異常返回true，否則返回false
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("創建sql文件失敗");
return false;
}
return true;
}
///
/// Hzfile
/// 拷貝fromFolder文件夾到toFolder文件夾下,
///
/// 需要拷貝的文件夾
/// 拷貝到的文件夾的路徑
/// 如果存在異常返回true，否則返回false
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("創建sql文件失敗");
return false;
}
return true;
}
///
/// Hzfile
/// 判斷rightFolder種的一個文件在leftFolder中是否存在
///
/// 修復前文件夾
/// 修復後文件夾
/// 需要確認是否存在的文件rightFile
/// 右側文件夾map路徑下文件rightFile，在左邊文件夾map目錄下也存在，存在則返回edit，否則返回add
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 "";
}
///
/// 文件夾、子文件夾、文件去只讀
///
/// 指定去只讀的文件夾路徑
/// 成功返回true,失敗返回false
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;
}
}
}
