把ANSI格式的TXT文件批量转换成UTF-8文件类型

#region 把ANSI格式的TXT文件批量转换成UTF-8文件类型

class FileControl
{
private string path = "";
private DirectoryInfo dirInfo = null;
private FileInfo[] fileInfo = null;
private string msg = "";

public string Msg
{
get { return msg; }
set { msg = value; }
}

public string Path
{
get { return path; }
set { path = value; }
}

public FileControl()
{

}
public FileControl(string path)
{
this.dirInfo = new DirectoryInfo(path);
}

public void getDirInfo(string path)
{
this.dirInfo = new DirectoryInfo(path);
}
private void getFileInfoArr()
{
if (this.dirInfo != null)
{
this.fileInfo = this.dirInfo.GetFiles("*.txt", SearchOption.AllDirectories);
}
else
{
this.msg = "无可转换的txt文件";
}
}

public void Transform()
{

try
{
this.getFileInfoArr();
foreach (FileInfo fi in this.fileInfo)
{
FileStream fs = new FileStream(fi.FullName, FileMode.Open, FileAccess.Read);
StreamReader streamReader = new StreamReader(fs);
string newFileName = fi.FullName.Split('.')[fi.FullName.Split('.').Length - 2] + "_.txt";
File.WriteAllText(newFileName, streamReader.ReadToEnd(), Encoding.UTF8);
}
this.msg = "转换完美完成！";
}
catch (Exception ex)
{
this.msg = "转换发生异常！异常原因：" + ex.Message;
}
}

}

#endregion