public static void CreatePDir(string url)
{
    string fileurl = Environment.CurrentDirectory + url;
    CreateDirectory(fileurl);
}
 
public static string GetPDir()
{
    return Environment.CurrentDirectory;
}
 
public static string GetBasePDir()
{
    return AppDomain.CurrentDomain.BaseDirectory;
}
 
public static string GetCurrentPDir()
{
    return Directory.GetCurrentDirectory();
}
 
//获取或设置包含该应用程序的目录的名称
public static string GetCurrentPExeName()
{
    return AppDomain.CurrentDomain.SetupInformation.ApplicationBase;
}