text555

SRSDEMO/SRSDEMO.UI.Console/SRS.cs

@@ -10,8 +10,9 @@ class SRS
        //课程列表
         public static ScheduleOfClasses scheduleOfClasses =
                          new ScheduleOfClasses("SP2009");
-        public static ScheduleOfClasses scheduleOfClasses1 =
-                         new ScheduleOfClasses("SM2009");
+        //练习1，增加第二学期课表
+        public static ScheduleOfClasses scheduleOfClasses2 = new ScheduleOfClasses("SM2009");        
+
         //教授、学生、课程列表
         public static List<Professor> faculty;    // Generic List of Professors
         public static List<Student> studentBody;  // Generic List of Students
@@ -204,7 +205,8 @@ static void Main(string[] args)
             // Semester is finished (boy, that was quick!).  Professors
             // assign grades.
 
-            sec1.PostGrade(s1, "C+");
+            //练习1，令学生s1的c1课程选修不及格
+            sec1.PostGrade(s1, "E");
             sec1.PostGrade(s3, "A");
             sec2.PostGrade(s2, "B+");
             sec7.PostGrade(s2, "A-");
@@ -241,21 +243,68 @@ static void Main(string[] args)
             Console.WriteLine("");
             s3.Display();
 
-            //练习14.2
+            //练习1
             Section sec2_1, sec2_2, sec2_3, sec2_4, sec2_5;
+
+            // 通过调用Course对象的ScheduleSection方法生成一个Section对象，相当于给某门课建立一个排课
+
             sec2_1 = c1.ScheduleSection("M", "8:10 - 10:00 PM", "GOVT101", 30);
-            sec2_1 = c1.ScheduleSection("W", "6:10 - 8:00 PM", "GOVT202", 30);
-            scheduleOfClasses1.AddSection(sec1);
-            scheduleOfClasses1.AddSection(sec2);
-            //题2：让s1选sec2
-            EnrollFlags result = sec2_1.Enroll(s1);
+            sec2_2 = c2.ScheduleSection("TU", "8:10 - 10:00 PM", "GOVT102", 30);
+            sec2_3 = c3.ScheduleSection("W", "8:10 - 10:00 PM", "GOVT103", 30);
+            sec2_4 = c4.ScheduleSection("TH", "8:10 - 10:00 PM", "GOVT104", 30);
+            sec2_5 = c5.ScheduleSection("F", "8:10 - 10:00 PM", "GOVT105", 30);
+
+            //将Section加入到选课列表中
+
+            scheduleOfClasses2.AddSection(sec2_1);
+            scheduleOfClasses2.AddSection(sec2_2);
+            scheduleOfClasses2.AddSection(sec2_3);
+            scheduleOfClasses2.AddSection(sec2_4);
+            scheduleOfClasses2.AddSection(sec2_5);
+
+            //设定每门课的教师
+
+            p3.AgreeToTeach(sec2_1);
+            p2.AgreeToTeach(sec2_2);
+            p1.AgreeToTeach(sec2_3);
+            p3.AgreeToTeach(sec2_4);
+            p1.AgreeToTeach(sec2_5);
+
+            Console.WriteLine("\n The second semester! \n");
+
+
+            //模拟学生第二学期选课
+
+            //将学生s1的课程c1第一学期的成绩修改为E，这代表学生s1没通过课程c1
+            Console.WriteLine("Student " + s1.Name +
+                              " is attempting to enroll in " +
+                              sec2_2.ToString());
 
+            EnrollFlags status1 = sec2_2.Enroll(s1);
 
-            //题3：
+            ReportStatus(status1);
+
+            Console.WriteLine("");
 
+            //学生s3的课程c1第一学期的成绩是A。课程通过，s3可以选择课程c2
+
+            Console.WriteLine("Student " + s3.Name +
+                              " is attempting to enroll in " +
+                              sec2_2.ToString());
 
-            //题4：
+            status1 = sec2_2.Enroll(s3);
 
+            ReportStatus(status1);
+
+
+            //第二学期课表
+            Console.WriteLine("");
+            Console.WriteLine("====================");
+            Console.WriteLine("Schedule of Classes（the second semester）:");
+            Console.WriteLine("====================");
+            Console.WriteLine("");
+            scheduleOfClasses2.Display();
+
 
 
             Console.ReadKey();

SRSDEMO/SRSDEMO.UI.Console/model/Course.cs

@@ -31,6 +31,7 @@ public Course(string cNo, string cName, double credits) {
   // Auto-implemented properties.
   //-------------------------------
 
+  public static int sectionnum = 0;
   public string CourseNumber { get; set; }
   public string CourseName { get; set; }
   public double Credits { get; set; }
@@ -76,8 +77,16 @@ public override string ToString() {
 
   //**************************************
   //
-  public void AddPrerequisite(Course c) {
-    Prerequisites.Add(c);
+  public void AddPrerequisite(Course c)
+  {
+      if (this != c)
+      {
+          Prerequisites.Add(c);
+      }
+      else
+      {
+          Console.WriteLine("�γ̱����������Լ������޿Σ�����");
+      }
   }
 
   //**************************************
@@ -97,12 +106,28 @@ public Section ScheduleSection(string day, string time, string room,
 				       int capacity) {
     // Create a new Section (note the creative way in
     // which we are assigning a section number) ...
-    Section s = new Section(OfferedAsSection.Count + 1, 
-				day, time, this, room, capacity);
-
+    //��ϰ4 ��Ϊ�˱�֤ѡ�κŶ���һ��
+     sectionnum = sectionnum + 1;
+    Section s = new Section(sectionnum,
+                day, time, this, room, capacity);
+
     // ... and then add it to the List
     OfferedAsSection.Add(s);
-		
+
     return s;
+                       }
+
+
+
+  //��ϰ4��
+  public void CancelSection(Section s)
+  {
+      //�γ̴�ѡ�������Ƴ�
+      OfferedAsSection.Remove(s);
+      //ѡ�����ѡ�α����Ƴ�
+      s.OfferedIn.SectionsOffered.Remove(s.RepresentedCourse.CourseNumber +
+                 " - " + s.SectionNumber);
+
+      Console.WriteLine("�γ����Ƴ�ѡ�α���");
   }
 }

SRSDEMO/SRSDEMO.UI.Console/model/Professor.cs

@@ -106,10 +106,39 @@ public void DisplayTeachingAssignments() {
 
   //**************************************
   //
-  public void AgreeToTeach(Section s) {
-    Teaches.Add(s);
 
-    // We need to link this bidirectionally.
-    s.Instructor = this;
+//��ϰ3��
+  public void AgreeToTeach(Section s)
+  {
+      bool isSameTime = true;
+
+      for (int i = 0; i < Teaches.Count; i++)
+      {
+          if (Teaches[i].OfferedIn == s.OfferedIn)
+          {
+              if (Teaches[i].DayOfWeek == s.DayOfWeek)
+              {
+                  if (Teaches[i].TimeOfDay == s.TimeOfDay)
+                  {
+                      isSameTime = false;
+                  }
+                  else continue;
+              }
+              else continue;
+          }
+          else continue;
+      }
+
+      if (isSameTime)
+      {
+          Teaches.Add(s);
+          // We need to link this bidirectionally.
+          s.Instructor = this;
+      }
+      else
+      {
+          Console.WriteLine("һλ���ڲ�����ͬһ���ͬһʱ�̽������ſΣ�");
+      }
+
   }
 }