南昌航空大学-21207132-张瑞彬-JAVA第一次Blog作业

import java.util.*;
import java.util.regex.Pattern;
public class Main {
    public static void main(String[] args) {
        School school=new School();
        school.Input();
        school.output();
    }
}
class School {
    static List<Class> classes = new ArrayList<>();//记录所有班级
    static List<Lesson> lessons = new ArrayList<>();//记录所有科目
    public Lesson searchlessons(String s) {//传入学科名
        for (int i=0;i<lessons.size();i++) {
            if (lessons.get(i).namelesson.equals(s))
                return lessons.get(i);
        }
        return null;
    }
    public void addlesson(String s) {//传入输入源码
        Lesson lesson = new Lesson();
        lesson.setlesson(s);
        this.lessons.add(lesson);
    }
    public Class searchClass(String s) {//传入班号
        for (int i=0;i< classes.size();i++) {
            if (classes.get(i).numclass.equals(s))
                return classes.get(i);
        }
        return null;
    }
    public void addClass(String s) {//传入输入源码
        Class cla = new Class();
        cla.setclass(s);
        this.classes.add(cla);
    }
    public void Input() {
        Scanner input = new Scanner(System.in);
        String s;
        s = input.nextLine();
        while (s.equals("end") == false) {
            String[] part = new String[]{};
            part = s.split(" ");
            if (part[1].equals("必修") && part[2].equals("考察")) {
                System.out.print(part[0] + " : course type & access mode mismatch\n");
            }
            if (!School.Lesson.allowlesson(s) && School.Student.allowstudent(s) == 0)
                System.out.print("wrong format\n");
            else {
                if (School.Lesson.allowlesson(s)) {//第一类输入
                    //若没有此科目，向学校添加科目，已经有了就不管
                    if (School.Student.searchsiglessons(part[0]) == null) this.addlesson(s);
                }
                if (School.Student.allowstudent(s) != 0) {//第二类输入
                    //学生所有课程总成绩的平均分、单门课程成绩平均分、单门课程总成绩平均分、班级所有课程总成绩平均分
                    if (this.searchClass(part[0].substring(0, 6)) == null) {
                        //若没有此班级,向学校添加班级
                        this.addClass(s);
                    }
                    else if (this.searchClass(part[0].substring(0, 6)).searchstudents(part[0]) == null) {
                        //若没有此学生,向班级添加学生
                        this.searchClass(part[0].substring(0, 6)).addstudent(s);
                    }
//                    else if (this.searchClass(part[0].substring(0, 6)).searchstudents(part[0]).searchsiglessons(part[2]) == null) {
//                        //若学生没有此科目，向学生添加科目,已经有了就不管
//                        this.searchClass(part[0].substring(0, 6)).searchstudents(part[0]).addlesson(s);
//                    }
                }
            }
            s = input.nextLine();
        }
    }
    public void output()
    {
        for (Lesson allles: this.lessons){
            allles.nomal=0;
            allles.last=0;
        }
        for (School.Class clasS : this.classes) {//遍历班级
            if(this.classes.isEmpty()) System.out.print(clasS.numclass+" has no grades yet\n");
            int classaverage=0;
            for (Student stu: clasS.students) {//遍历学生
                int studentaverage=0;
                for (Lesson sigles: stu.siglessons) {//遍历学生所修科目
                    int flag=0;
                    if(stu.siglessons.isEmpty()) System.out.print(stu.idnum+" "+stu.namestudent+" did not take any exams\n");
                    else for (Lesson allles: this.lessons){//遍历所有科目
                         if(sigles.namelesson.equals(allles.namelesson)){
                             allles.count++;
                             flag=1;
                             if((allles.flag.equals("必修")||allles.flag.equals("选修"))&&allles.test.equals("考试")) {
                                 sigles.grade = (int) (0.3 * sigles.nomal + 0.7 * sigles.last);
                                 allles.nomal+=sigles.nomal;
                                 allles.last+=sigles.nomal;
                                 allles.grade+=sigles.grade;
                             }
                             if(allles.flag.equals("选修")&&allles.test.equals("考察")) {
                                 sigles.grade = (int) (sigles.nomal);
                                 allles.nomal+=sigles.nomal;
                                 allles.grade+=sigles.grade;
                             }
                             if(allles.test.equals("考察")&&sigles.nomal!=-1) {
                                 System.out.print(stu.idnum + " " + stu.namestudent + " : access mode mismatch\n");
                             }
                             if(allles.flag.equals("必修")&&allles.test.equals("考察")) {
                                 System.out.print(allles.namelesson + " : course type & access mode mismatch\n");
                             }
                             studentaverage+=sigles.grade;
                         }
                    }
                    if(flag==0) System.out.print(stu.idnum+" "+stu.namestudent+" : "+sigles.namelesson+"does not exist\n");

                }
                studentaverage=studentaverage/stu.siglessons.size();
                classaverage+=studentaverage;
                System.out.print(stu.idnum+" "+stu.namestudent+" "+studentaverage+"\n");
            }
            for (Lesson les: this.lessons){//遍历

            }
            System.out.print(clasS.numclass+" "+classaverage+"\n");
        }
        for (Lesson allles: this.lessons){
            if(allles.count==0) System.out.print(allles.namelesson+" has no grades yet\n");
            else if(allles.nomal!=-1)
                System.out.print(allles.namelesson+" "+allles.nomal/allles.count+" "+allles.last/allles.count+" "+allles.grade/allles.count+ "\n");
            else System.out.print(allles.namelesson+" "+allles.last/allles.count+" "+allles.grade/allles.count+ "\n");
        }
    }
    public static class Class {
        String numclass;
        int average;
        List<Student> students = new ArrayList<>();//记录班内学生

        public Student searchstudents(String s) {//传入学号
            for (int i=0;i<students.size();i++) {
                if (students.get(i).idnum.equals(s))
                    return students.get(i);
            }
            return null;
        }
        public void addstudent(String s) {//传入输入源码
            Student student = new Student();
            student.setstudent(s);
            this.students.add(student);
        }
        public void setclass(String s) {
            String[] part = new String[]{};
            part = s.split(" ");
            this.numclass=part[0].substring(0,6);
        }
    }
    static class Lesson {
        String namelesson;
        String flag;//0为选修，1为必修
        String test;//0为考察，1为考试
        int nomal;
        int last=-1;
        int grade;
        int count=0;
        public static boolean allowlesson(String s) {
            String regex;
            regex = "\\S{1,10}" + " " + "(必修|选修)" + " " + "(考试|考察)";
            boolean isValid = s.matches(regex);
            return isValid;
        }

        public void setlesson(String s) {
            String[] part = new String[]{};
            part = s.split(" ");
            if(this.allowlesson(s)) {
                this.namelesson = part[0];
                this.flag = part[1];
                this.test = part[2];
            }
        }
    }
    public static class Student {
        String idnum;
        String numclass;
        String namestudent;
        String namelesson;
        static List<Lesson> siglessons = new ArrayList<>();//记录个体学生所修科目
        int nomal=-1;
        int last;
        public static Lesson searchsiglessons(String s) {//传入学科名
            for (int i=0;i<lessons.size();i++) {
                if (lessons.get(i).namelesson.equals(s))
                    return lessons.get(i);
            }
            return null;
        }
        public void addlesson(String s) {//传入输入源码
            Lesson lesson = new Lesson();
            lesson.setlesson(s);
            this.siglessons.add(lesson);
        }
        public static int allowstudent(String s) {
            String regex1, regex2;
            regex1 = "[0-9]{8}" + " " + "\\S{1,10}" + " " + "\\S{1,10}" +" " + "([1-9]?[0-9]|100)";
            regex2 = "[0-9]{8}" + " " + "\\S{1,10}" + " " + "\\S{1,10}" + " " + "([1-9]?[0-9]|100)" + " " + "([1-9]?[0-9]|100)";
            boolean isValid1 = Pattern.matches(regex1, s), isValid2 = Pattern.matches(regex2, s);
            if (isValid1) return 1;
            if (isValid2) return 2;
            return 0;
        }
        public  void setstudent(String s) {
            String[] part = new String[]{};
            String namelesson = null;
            part = s.split(" ");
            if(searchsiglessons(part[2])==null) this.addlesson(s);
            if (this.allowstudent(s) == 1) {
                this.idnum = part[0];
                this.numclass = part[0].substring(0, 6);
                this.namestudent = part[1];
                this.namelesson=part[2];
                for (Lesson les: lessons) {
                    if (les.namelesson.equals(s)){
                        les.last=Integer.parseInt(part[3]);
                    }
                }
            }
            if (this.allowstudent(s) == 2) {
                this.idnum = part[0];
                this.numclass = part[0].substring(0, 6);
                this.namestudent = part[1];
                this.namelesson=part[2];
                for (Lesson les: lessons) {
                    if (les.namelesson.equals(s)){
                        les.nomal=Integer.parseInt(part[3]);
                        les.last=Integer.parseInt(part[4]);
                    }
                }
            }
        }
    }
}