c# .net 把一个文件夹下的文件复制到另一个文件夹下
///<summary>///c# .net 创建文件夹
///</summary>
///<param name="targetDir"></param>
public static void CreateDirectory(string targetDir)
{
DirectoryInfo dir = new DirectoryInfo(targetDir);
if (!dir.Exists)
dir.Create();
}
///<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("\\") + 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("\\") + 1));
if (!Directory.Exists(targetSubDir))
Directory.CreateDirectory(targetSubDir);
CopyFiles(sourceSubDir, targetSubDir, overWrite, true);
}
}
}
}
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