//后台函数
/// <summary>
/// 读取本地年级、班级数据
/// </summary>
private void InitGrades()
{
XmlDocument xml = new XmlDocument();
try
{
xml.Load("Member.xml");
}
catch (XmlException)
{
MessageBox.Show("无法打开文件 Member.xml，请检查文件是否存在！");
return;
}
catch (NotSupportedException)
{
MessageBox.Show("Member.xml 的文件格式无效！");
return;
}
XmlElement rootElem = xml.DocumentElement;
XmlNodeList gradeNodes = rootElem.GetElementsByTagName("Grade");
foreach (XmlElement grade in gradeNodes)
{
string gradename = grade.GetAttribute("GradeName");
Grade newGrade = new Grade(gradename);
foreach (XmlNode course in (grade["CheckingInCourseList"].GetElementsByTagName("Course")))
{
string CourseID = ((XmlElement)course).GetAttribute("CourseID");
string CourseName = ((XmlElement)course).GetAttribute("CourseName");
string TeacherName = ((XmlElement)course).GetAttribute("TeacherName");
string CourseDirection = ((XmlElement)course).GetAttribute("CourseDirection");
DayOfWeek WeekIndex = (DayOfWeek)(int.Parse(((XmlElement)course).GetAttribute("WeekIndex")));
int StartWeek = int.Parse(((XmlElement)course).GetAttribute("StartWeek"));
int EndWeek = int.Parse(((XmlElement)course).GetAttribute("EndWeek"));
int StartClassIndex = int.Parse(((XmlElement)course).GetAttribute("StartClassIndex"));
int EndClassIndex = int.Parse(((XmlElement)course).GetAttribute("EndClassIndex"));
Course newCourse = new Course(CourseID, CourseName, TeacherName, CourseDirection, WeekIndex, StartClassIndex, EndClassIndex, StartWeek, EndWeek);
try
{
newGrade.AddCheckingInCourse(newCourse);
}
catch (ItemExistException ex)
{
MessageBox.Show(ex.Message);
return;
}
}
try
{
foreach (XmlElement classitem in grade["ClassList"].GetElementsByTagName("Class"))
{
string ClassName = classitem.GetAttribute("ClassName");
Class newClass = new Class(ClassName);
foreach (XmlElement student in classitem["MemberList"].GetElementsByTagName("Student"))
{
string StudentID = student.GetAttribute("StudentID");
string StudentName = student.GetAttribute("StudentName");
string ClassID = student.GetAttribute("ClassID");
Student newStudent = new Student(StudentID, StudentName, ClassID);
foreach (XmlElement course in student["CourseList"].GetElementsByTagName("Course"))
{
string CourseID = course.GetAttribute("CourseID");
foreach (Course item in newGrade.CheckingInCourseList)
{
try { if (item.CourseID == CourseID)
{
newStudent.AddClass(new Course(item));
}
}
catch (ItemExistException) { continue; }
}
}
try
{
newClass.AddMember(newStudent);
}
catch (ItemExistException ex)
{
MessageBox.Show(ex.Message);
return;
}
}
try
{
newGrade.AddClass(newClass);
}
catch (ItemExistException ex)
{
MessageBox.Show(ex.Message);
return;
}
}
}
catch (Exception)
{
}
try
{
GradeList.Add(newGrade);
}
catch (ItemExistException ex)
{
MessageBox.Show(ex.Message);
return;
}
}
}
