/// <summary>
/// 保存教师信息
/// </summary>
/// <param name="teachers"></param>
public static void SaveTeachers(TeacherDAL teachers)
{
using (FileStream fs = new FileStream(teacherDocPath, FileMode.Create, FileAccess.Write))
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, teachers);
}
}
/// <summary>
/// 读取教师信息
/// </summary>
/// <returns></returns>
public static TeacherDAL GetTeachers()
{
TeacherDAL teachers;
if (File.Exists(teacherDocPath))
{
using (FileStream fs = new FileStream(teacherDocPath, FileMode.Open, FileAccess.Read))
{
BinaryFormatter bf = new BinaryFormatter();
teachers = (TeacherDAL)bf.Deserialize(fs);
}
}
else
{
using (FileStream fs = new FileStream(teacherDocPath, FileMode.CreateNew, FileAccess.Write))
{
BinaryFormatter bf = new BinaryFormatter();
teachers = new TeacherDAL();
bf.Serialize(fs, teachers);
}
}
return(teachers);
}
