c# 文件（夹）创建与删除

/删除文件夹，参数文件夹路径
protected void deletedirectory(string dir,bool deletesubdir)
{
try
{
directory.delete(dir, deletesubdir);
}
catch (exception e)
{
logger.error("deletedirectory error dir = " + dir, e);
throw new exception("deletedirectory error dir = " + dir, e);
}
}
//删除路径，输入参数，文件路径
protected void deletefile(string dir)
{
try
{
file.delete(dir);
}
catch (exception e)
{
logger.error("deletedirectory error dir = " + dir, e);
throw new exception("deletedirectory error dir = " + dir, e);
}
}
//根据参数创建文件夹
protected void createdirectory(string dir)
{
try
{
if (directory.exists(dir))
{
logger.warning("this direcotry is exists dir = " + dir);
return;
}
directory.createdirectory(dir);
}
catch (exception e)
{
logger.error("createdicectory error dir = " + dir, e);
throw new serversystemexception("createdicectory error dir = " + dir, e);
}
}