public static bool saveFile(User user)
{
try
{
FileStream fs = new FileStream(filename, FileMode.Create, FileAccess.Write); //创建一个文件流对象
BinaryFormatter bf = new BinaryFormatter(); //创建一个序列化和反序列化对象
bf.Serialize(fs, user); //要先将User类先设为可以序列化(即在类的前面加[Serializable])。将用户集合信息写入到硬盘中
fs.Close(); //关闭文件流
}
catch (Exception e)
{
return false;
}
return true;
}
public static User readFile()
{
User user = new User();
try
{
if (File.Exists(filename))
{
FileStream fs = new FileStream(filename, FileMode.Open, FileAccess.Read);
BinaryFormatter bf = new BinaryFormatter();
user = (User)bf.Deserialize(fs);
fs.Close();
}
}
catch (Exception e)
{
}
return user;
}