复制源目录及文件到另一个目录下

/// <summary>
/// 复制源目录及文件到另一个目录下
/// </summary>
/// <param name="srcDir">源目录</param>
/// <param name="destDir">目标目录</param>
/// <param name="recursion">是否递归复制</param>
private void DirectoryCopy(string srcDir, string destDir, bool recursion)
{
    try
    {
        var di = new DirectoryInfo(srcDir);
        var fsis = di.GetFileSystemInfos();

        foreach (var item in fsis)
        {
            // 目录复制
            if (item is DirectoryInfo)
            {
                Directory.CreateDirectory(Path.Combine(destDir, item.Name));

                // 递归复制子目录
                if (recursion)
                {
                    DirectoryCopy(item.FullName, Path.Combine(destDir, item.Name));
                }
            }
            else
            {
                // 文件复制
                File.Copy(item.FullName, Path.Combine(destDir, item.Name), true);
            }
        }
    }
    catch (Exception)
    {
        throw;
    }
}