示例#1
0
        static void Main(string[] args)
        {
            List <Student>      students = GetStudents();
            List <StudentScore> csScores = GetCSScores();
            List <StudentScore> dbScores = GetDBScores();

            // 彙總成績
            //double csScoresSum = 0.0;
            //double dbScoresSum = 0.0;
            //double csScoresAvg = 0.0;
            //double dbScoresAvg = 0.0;

            //foreach (StudentScore csScore in csScores)
            //{
            //    csScoresSum += csScore.Score;
            //}

            //foreach (StudentScore dbScore in dbScores)
            //{
            //    dbScoresSum += dbScore.Score;
            //}

            //csScoresAvg = csScoresSum / students.Count;
            //dbScoresAvg = dbScoresSum / students.Count;

            //Console.WriteLine("C#課程分數加總:{0}, 平均:{1}", csScoresSum, csScoresAvg.ToString("0.00"));
            //Console.WriteLine("DB課程分數加總:{0}, 平均:{1}", dbScoresSum, dbScoresAvg.ToString("0.00"));

            // 依學生彙總

            List <StudentScoreReport> Reports = new List <StudentScoreReport>();

            foreach (Student student in students)
            {
                int scoreCount            = 0;
                StudentScoreReport report = new StudentScoreReport();
                report.Id   = student.Id;
                report.Name = student.Name;

                foreach (StudentScore csScore in csScores)
                {
                    if (csScore.Id == student.Id)
                    {
                        report.ScoreSum += csScore.Score;
                        scoreCount++;
                        break;
                    }
                }

                foreach (StudentScore dbScore in dbScores)
                {
                    if (dbScore.Id == student.Id)
                    {
                        report.ScoreSum += dbScore.Score;
                        scoreCount++;
                        break;
                    }
                }

                report.ScoreAvg = report.ScoreSum / scoreCount;
                Reports.Add(report);
            }

            //foreach (StudentScoreReport report in Reports)
            //{
            //    Console.WriteLine("學生 {0} 分數加總:{1}, 平均:{2}",
            //        report.Name, report.ScoreSum, report.ScoreAvg.ToString("0.00"));
            //}

            IEnumerator <StudentScoreReport> reports = Reports.GetEnumerator();

            while (reports.MoveNext())
            {
                Console.WriteLine("學生 {0} 分數加總:{1}, 平均:{2}",
                                  reports.Current.Name,
                                  reports.Current.ScoreSum,
                                  reports.Current.ScoreAvg.ToString("0.00"));
            }

            Console.ReadLine();
        }
示例#2
0
        static void Main(string[] args)
        {
            List<Student> students = GetStudents();
            List<StudentScore> csScores = GetCSScores();
            List<StudentScore> dbScores = GetDBScores();

            // 彙總成績
            //double csScoresSum = 0.0;
            //double dbScoresSum = 0.0;
            //double csScoresAvg = 0.0;
            //double dbScoresAvg = 0.0;

            //foreach (StudentScore csScore in csScores)
            //{
            //    csScoresSum += csScore.Score;
            //}

            //foreach (StudentScore dbScore in dbScores)
            //{
            //    dbScoresSum += dbScore.Score;
            //}

            //csScoresAvg = csScoresSum / students.Count;
            //dbScoresAvg = dbScoresSum / students.Count;

            //Console.WriteLine("C#課程分數加總:{0}, 平均:{1}", csScoresSum, csScoresAvg.ToString("0.00"));
            //Console.WriteLine("DB課程分數加總:{0}, 平均:{1}", dbScoresSum, dbScoresAvg.ToString("0.00"));

            // 依學生彙總

            List<StudentScoreReport> Reports = new List<StudentScoreReport>();

            foreach (Student student in students)
            {
                int scoreCount = 0;
                StudentScoreReport report = new StudentScoreReport();
                report.Id = student.Id;
                report.Name = student.Name;

                foreach (StudentScore csScore in csScores)
                {
                    if (csScore.Id == student.Id)
                    {
                        report.ScoreSum += csScore.Score;
                        scoreCount++;
                        break;
                    }
                }

                foreach (StudentScore dbScore in dbScores)
                {
                    if (dbScore.Id == student.Id)
                    {
                        report.ScoreSum += dbScore.Score;
                        scoreCount++;
                        break;
                    }
                }

                report.ScoreAvg = report.ScoreSum / scoreCount;
                Reports.Add(report);
            }

            //foreach (StudentScoreReport report in Reports)
            //{
            //    Console.WriteLine("學生 {0} 分數加總:{1}, 平均:{2}", 
            //        report.Name, report.ScoreSum, report.ScoreAvg.ToString("0.00"));
            //}

            IEnumerator<StudentScoreReport> reports = Reports.GetEnumerator();

            while (reports.MoveNext())
            {
                Console.WriteLine("學生 {0} 分數加總:{1}, 平均:{2}",
                    reports.Current.Name,
                    reports.Current.ScoreSum,
                    reports.Current.ScoreAvg.ToString("0.00"));
            }
            
            Console.ReadLine();
        }