/// <summary>
/// 保存课程信息
/// </summary>
/// <param name="courses"></param>
public static void SaveCourses(CourseDAL courses)
{
using (FileStream fs = new FileStream(coursesDocPath, FileMode.Create, FileAccess.Write))
{
BinaryFormatter bf = new BinaryFormatter();
bf.Serialize(fs, courses);
}
}
/// <summary>
/// 读取课程信息
/// </summary>
/// <returns></returns>
public static CourseDAL GetCourses()
{
CourseDAL courses;
if (File.Exists(coursesDocPath))
{
using (FileStream fs = new FileStream(coursesDocPath, FileMode.Open, FileAccess.Read))
{
BinaryFormatter bf = new BinaryFormatter();
courses = (CourseDAL)bf.Deserialize(fs);
}
}
else
{
using (FileStream fs = new FileStream(coursesDocPath, FileMode.CreateNew, FileAccess.Write))
{
BinaryFormatter bf = new BinaryFormatter();
courses = new CourseDAL();
bf.Serialize(fs, courses);
}
}
return(courses);
}
