bcourse.cs

这是一个自动排课软件(包含源码,需求分析,详细设计).希望对你有所帮助.

using System;
using System.Collections.Generic;
using System.Text;
using Entities;
using Search;
using DAL;
using System.Collections;

namespace BLL
{
    public class BCourse
    {
        public ArrayList Select()
        {
            IDCourse dCourse = DALContainer.Factory.GetIDCourse();
            return dCourse.Select();
        }
        public ArrayList Select(object Class_ID)
        {
            IDCourse dCourse = DALContainer.Factory.GetIDCourse();
            IDTeachPlan Teach = DALContainer.Factory.GetIDTeachPlan();

            CourseSearcher sCourseSearcher = new CourseSearcher();
            Search.TeachPlanSearcher sTeachPlanSearcher = new TeachPlanSearcher();

            Class cClass = new BLL.BClass().GetEntities(Class_ID);
            sCourseSearcher.TermID = cClass.TermID;
            sCourseSearcher.TermIDIsValid = true;
            ArrayList aCourse = dCourse.Select(sCourseSearcher);

            //得到所有学过的课程
            sTeachPlanSearcher.ClassID = Convert.ToInt32(Class_ID);
            sTeachPlanSearcher.ClassIDIsValid = true;
            ArrayList aTeachPlan = Teach.Select(sTeachPlanSearcher);
            //得到该学期学过的课程
            if (aTeachPlan != null || aTeachPlan.Count > 0)
            {
                for (int i = 0; i < aTeachPlan.Count; i++)
                {
                    TeachPlan eTeachPlan = (TeachPlan)aTeachPlan[i];
                    if (eTeachPlan.Course.TermID != cClass.TermID)
                    {
                        aTeachPlan.Remove(eTeachPlan);
                        if (i != 0)
                            i--;
                    }
                }
            }

            //得到该学期没有学过的课程
            for (int i = 0; i < aCourse.Count; i++)
            {
                Course eCourse = (Course)aCourse[i];
                foreach (TeachPlan eTeachPlan in aTeachPlan)
                {
                    if (eCourse.CourseID == eTeachPlan.CourseID)
                    {
                        aCourse.Remove(eCourse);
                        if (i != 0)
                            i--;
                    }
                    
                   
                }
            }
            return aCourse;
        }
        public ArrayList GetSelect(object CourseName)
        {
            IDCourse dCourse = DALContainer.Factory.GetIDCourse();
            CourseSearcher search = new CourseSearcher();
            search.CourseName = Convert.ToString(CourseName);
            search.CourseNameIsValid = true;
            return dCourse.Select(search);
        }
        public int Update(Course course)
        {
            IDCourse dCourse = DALContainer.Factory.GetIDCourse();
            return dCourse.Update(course);
        }
        public int Insert(Course eCourse)
        {
            IDCourse dCourse = DALContainer.Factory.GetIDCourse();
            return dCourse.Insert(eCourse);
        }
        public Course GetEntities(object Course_ID)
        {
            IDCourse dCourse = DALContainer.Factory.GetIDCourse();
            return dCourse.SelectSingle(Course_ID);
        }
        
    }
}