C#目录文件复制、创建操作

using System;
using System.Data;
using System.Configuration;
using System.Web;
using System.Web.Security;
using System.Web.UI;
using System.Web.UI.WebControls;
using System.Web.UI.WebControls.WebParts;
using System.Web.UI.HtmlControls;
using System.IO;
using System.Xml;

namespace FileCopy
{
/// <summary>
/// FileDirectoryUtility 类,方法不包含异常处理
/// </summary>
public class FileDirectoryUtility
{
/// <summary>
/// 路径分割符
/// </summary>
private const string PATH_SPLIT_CHAR = "\\";

/// <summary>
/// 构造函数
/// </summary>
private FileDirectoryUtility()
{
}

/// <summary>
/// 复制指定目录的所有文件,不包含子目录及子目录中的文件
/// </summary>
/// <param name="sourceDir">原始目录</param>
/// <param name="targetDir">目标目录</param>
/// <param name="overWrite">如果为true,表示覆盖同名文件,否则不覆盖</param>
public static void CopyFiles(string sourceDir, string targetDir, bool overWrite)
{
CopyFiles(sourceDir, targetDir, overWrite, false);
}

/// <summary>
/// 复制指定目录的所有文件
/// </summary>
/// <param name="sourceDir">原始目录</param>
/// <param name="targetDir">目标目录</param>
/// <param name="overWrite">如果为true,覆盖同名文件,否则不覆盖</param>
/// <param name="copySubDir">如果为true,包含目录,否则不包含</param>
public static void CopyFiles(string sourceDir, string targetDir, bool overWrite, bool copySubDir)
{
//复制当前目录文件
foreach (string sourceFileName in Directory.GetFiles(sourceDir))
{
string targetFileName = Path.Combine(targetDir, sourceFileName.Substring(sourceFileName.LastIndexOf(PATH_SPLIT_CHAR) + 1));

if (File.Exists(targetFileName))
{
if (overWrite == true)
{
File.SetAttributes(targetFileName, FileAttributes.Normal);
File.Copy(sourceFileName, targetFileName, overWrite);
}
}
else
{
File.Copy(sourceFileName, targetFileName, overWrite);
}
}
//复制子目录
if (copySubDir)
{
foreach (string sourceSubDir in Directory.GetDirectories(sourceDir))
{
string targetSubDir = Path.Combine(targetDir, sourceSubDir.Substring(sourceSubDir.LastIndexOf(PATH_SPLIT_CHAR) + 1));
if (!Directory.Exists(targetSubDir))
Directory.CreateDirectory(targetSubDir);
CopyFiles(sourceSubDir, targetSubDir, overWrite, true);
}
}
}

/// <summary>
/// 剪切指定目录的所有文件,不包含子目录
/// </summary>
/// <param name="sourceDir">原始目录</param>
/// <param name="targetDir">目标目录</param>
/// <param name="overWrite">如果为true,覆盖同名文件,否则不覆盖</param>
public static void MoveFiles(string sourceDir, string targetDir, bool overWrite)
{
MoveFiles(sourceDir, targetDir, overWrite, false);
}

/// <summary>
/// 剪切指定目录的所有文件
/// </summary>
/// <param name="sourceDir">原始目录</param>
/// <param name="targetDir">目标目录</param>
/// <param name="overWrite">如果为true,覆盖同名文件,否则不覆盖</param>
/// <param name="moveSubDir">如果为true,包含目录,否则不包含</param>
public static void MoveFiles(string sourceDir, string targetDir, bool overWrite, bool moveSubDir)
{
//移动当前目录文件
foreach (string sourceFileName in Directory.GetFiles(sourceDir))
{
string targetFileName = Path.Combine(targetDir, sourceFileName.Substring(sourceFileName.LastIndexOf(PATH_SPLIT_CHAR) + 1));
if (File.Exists(targetFileName))
{
if (overWrite == true)
{
File.SetAttributes(targetFileName, FileAttributes.Normal);
File.Delete(targetFileName);
File.Move(sourceFileName, targetFileName);
}
}
else
{
File.Move(sourceFileName, targetFileName);
}
}
if (moveSubDir)
{
foreach (string sourceSubDir in Directory.GetDirectories(sourceDir))
{
string targetSubDir = Path.Combine(targetDir, sourceSubDir.Substring(sourceSubDir.LastIndexOf(PATH_SPLIT_CHAR) + 1));
if (!Directory.Exists(targetSubDir))
Directory.CreateDirectory(targetSubDir);
MoveFiles(sourceSubDir, targetSubDir, overWrite, true);
Directory.Delete(sourceSubDir);
}
}
}

/// <summary>
/// 删除指定目录的所有文件，不包含子目录
/// </summary>
/// <param name="targetDir">操作目录</param>
public static void DeleteFiles(string targetDir)
{
DeleteFiles(targetDir, false);
}

/// <summary>
/// 删除指定目录的所有文件和子目录
/// </summary>
/// <param name="targetDir">操作目录</param>
/// <param name="delSubDir">如果为true,包含对子目录的操作</param>
public static void DeleteFiles(string targetDir, bool delSubDir)
{
foreach (string fileName in Directory.GetFiles(targetDir))
{
File.SetAttributes(fileName, FileAttributes.Normal);
File.Delete(fileName);
}
if (delSubDir)
{
DirectoryInfo dir = new DirectoryInfo(targetDir);
foreach (DirectoryInfo subDi in dir.GetDirectories())
{
DeleteFiles(subDi.FullName, true);
subDi.Delete();
}
}
}
/// <summary>
/// 创建指定目录
/// </summary>
/// <param name="targetDir"></param>
public static void CreateDirectory(string targetDir)
{
DirectoryInfo dir = new DirectoryInfo(targetDir);
if (!dir.Exists)
dir.Create();
}

/// <summary>
/// 建立子目录
/// </summary>
/// <param name="targetDir">目录路径</param>
/// <param name="subDirName">子目录名称</param>
public static void CreateDirectory(string parentDir, string subDirName)
{
CreateDirectory(parentDir + PATH_SPLIT_CHAR + subDirName);
}

/// <summary>
/// 删除指定目录
/// </summary>
/// <param name="targetDir">目录路径</param>
public static void DeleteDirectory(string targetDir)
{
DirectoryInfo dirInfo = new DirectoryInfo(targetDir);
if (dirInfo.Exists)
{
DeleteFiles(targetDir, true);
dirInfo.Delete(true);
}
}

/// <summary>
/// 删除指定目录的所有子目录,不包括对当前目录文件的删除
/// </summary>
/// <param name="targetDir">目录路径</param>
public static void DeleteSubDirectory(string targetDir)
{
foreach (string subDir in Directory.GetDirectories(targetDir))
{
DeleteDirectory(subDir);
}
}
/// <summary>
/// 将指定目录下的子目录和文件生成xml文档
/// </summary>
/// <param name="targetDir">根目录</param>
/// <returns>返回XmlDocument对象</returns>
public static XmlDocument CreateXml(string targetDir)
{
XmlDocument myDocument = new XmlDocument();
XmlDeclaration declaration = myDocument.CreateXmlDeclaration("1.0", "utf-8", null);
myDocument.AppendChild(declaration);
XmlElement rootElement = myDocument.CreateElement(targetDir.Substring(targetDir.LastIndexOf(PATH_SPLIT_CHAR) + 1));
myDocument.AppendChild(rootElement);
foreach (string fileName in Directory.GetFiles(targetDir))
{
XmlElement childElement = myDocument.CreateElement("File");
childElement.InnerText = fileName.Substring(fileName.LastIndexOf(PATH_SPLIT_CHAR) + 1);
rootElement.AppendChild(childElement);
}
foreach (string directory in Directory.GetDirectories(targetDir))
{
XmlElement childElement = myDocument.CreateElement("Directory");
childElement.SetAttribute("Name", directory.Substring(directory.LastIndexOf(PATH_SPLIT_CHAR) + 1));
rootElement.AppendChild(childElement);
CreateBranch(directory, childElement, myDocument);
}
return myDocument;
}

/// <summary>
/// 生成Xml分支
/// </summary>
/// <param name="targetDir">子目录</param>
/// <param name="xmlNode">父目录XmlDocument</param>
/// <param name="myDocument">XmlDocument对象</param>
private static void CreateBranch(string targetDir, XmlElement xmlNode, XmlDocument myDocument)
{
foreach (string fileName in Directory.GetFiles(targetDir))
{
XmlElement childElement = myDocument.CreateElement("File");
childElement.InnerText = fileName.Substring(fileName.LastIndexOf(PATH_SPLIT_CHAR) + 1);
xmlNode.AppendChild(childElement);
}
foreach (string directory in Directory.GetDirectories(targetDir))
{
XmlElement childElement = myDocument.CreateElement("Directory");
childElement.SetAttribute("Name", directory.Substring(directory.LastIndexOf(PATH_SPLIT_CHAR) + 1));
xmlNode.AppendChild(childElement);
CreateBranch(directory, childElement, myDocument);
}
}
}
}