2022/09/24 13:38 作业3修改

Week4/src/lesson5/work/Rectangle.java

@@ -1,9 +1,5 @@
-package Class5.work;
+package lesson5.work;
 
-/**
- * @author : 张宇轩
- * @createTime : 2022/9/21 - 9:17
- */
 public class Rectangle {
     private Double length;
     private Double width;

Week4/src/lesson5/work/RectangleTest.java

@@ -1,13 +1,15 @@
-package Class5.work;
+package lesson5.work;
 
-/**
- * @author : 张宇轩
- * @createTime : 2022/9/21 - 9:20
- */
 public class RectangleTest {
     public static void main(String[] args) {
         Rectangle rectangle = new Rectangle(3.0,4.0);
         System.out.println("矩形的面积：" + rectangle.calculateArea());
         System.out.println("矩形的周长：" + rectangle.calculatePerimeter());
+
+        System.out.println();
+
+        Rectangle rectangle1 = new Rectangle();
+        System.out.println("矩形的面积：" + rectangle1.calculateArea());
+        System.out.println("矩形的周长：" + rectangle1.calculatePerimeter());
     }
 }

Week4/src/lesson5/work/Student.java

@@ -1,4 +1,4 @@
-package Class5.work;
+package lesson5.work;
 
 /**
  * @author : 张宇轩

Week4/src/lesson5/work/StudentTest.java

@@ -1,4 +1,4 @@
-package Class5.work;
+package lesson5.work;
 
 /**
  * @author : 张宇轩

Week4/src/lesson6/Employee.java

@@ -1,4 +1,4 @@
-package Class6;
+package lesson6;
 
 /**
  * @author : 张宇轩

Week4/src/lesson6/Project.java

@@ -1,4 +1,4 @@
-package Class6;
+package lesson6;
 
 /**
  * @author : 张宇轩

Week4/src/lesson6/ProjectDriver.java

@@ -1,4 +1,4 @@
-package Class6;
+package lesson6;
 
 /**
  * @author : 张宇轩

Week4/src/lesson6/work/ClassList.java

@@ -0,0 +1,69 @@
+package lesson6.work;
+
+public class ClassList {
+    private Integer semester;
+    private Integer year;
+    private Subject subj;
+    private Student s1;
+    private Student s2;
+
+    public ClassList() {
+    }
+
+    public ClassList(Integer semester, Integer year, Subject subj, Student s1, Student s2) {
+        this.semester = semester;
+        this.year = year;
+        this.subj = subj;
+        this.s1 = s1;
+        this.s2 = s2;
+    }
+
+    public Integer getSemester() {
+        return semester;
+    }
+
+    public void setSemester(Integer semester) {
+        this.semester = semester;
+    }
+
+    public Integer getYear() {
+        return year;
+    }
+
+    public void setYear(Integer year) {
+        this.year = year;
+    }
+
+    public Subject getSubj() {
+        return subj;
+    }
+
+    public void setSubj(Subject subj) {
+        this.subj = subj;
+    }
+
+    public Student getS1() {
+        return s1;
+    }
+
+    public void setS1(Student s1) {
+        this.s1 = s1;
+    }
+
+    public Student getS2() {
+        return s2;
+    }
+
+    public void setS2(Student s2) {
+        this.s2 = s2;
+    }
+
+    @Override
+    public String toString() {
+        return year + "年第" + semester + "学期\n" +
+                "================\n" +
+                subj +
+                "================\n" +
+                "学号\t姓名\n" + s1 + "\n" + s2;
+    }
+}

Week4/src/lesson6/work/Driver.java

@@ -0,0 +1,106 @@
+package lesson6.work;
+
+import java.util.Scanner;
+
+public class Driver {
+    static ClassList classList1 = null;
+    static ClassList classList2 = null;
+    static int classListCount = 0;
+
+    public static void main(String[] args) {
+        while (true) {
+            int opt = menu();
+            switch (opt) {
+                case 1:
+                    if (classListCount == 0) {
+                        System.out.println("创建第一张班级出勤表：");
+                        classList1 = inputClassList();
+                        classListCount++;
+                    } else if (classListCount == 1) {
+                        System.out.println("创建第二张班级出勤表：");
+                        classList2 = inputClassList();
+                        classListCount++;
+                    } else {
+                        System.out.println("已经创建了两张班级出勤表，无法创建更多");
+                    }
+                    break;
+                case 2:
+                    if (classListCount == 0) {
+                        System.out.println("不存在任何班级出勤表！请先使用功能1");
+                    } else {
+                        System.out.println("班级出勤表1：");
+                        System.out.println(classList1 + "\n");
+                        if (classList2 != null) {
+                            System.out.println("班级出勤表2：");
+                            System.out.println(classList2);
+                        }
+                    }
+                    break;
+                default:
+                    return;
+            }
+            System.out.println();
+        }
+    }
+
+    public static int menu(){
+        System.out.println("1.创建班级出勤名单");
+        System.out.println("2.输出班级出勤名单");
+        System.out.println("3.退出系统");
+        int opt = -1;
+        Scanner scanner = new Scanner(System.in);
+        while (opt == -1) {
+            opt = checkInput(scanner, 1, 3);
+        }
+        return opt;
+    }
+
+    public static Subject inputSubject() {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("请输入课程号：");
+        String subjectID = scanner.nextLine();
+        System.out.print("请输入课程名：");
+        String subjectName = scanner.nextLine();
+        return new Subject(subjectID, subjectName);
+    }
+
+    public static Student inputStudent() {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("请输入学生学号：");
+        String studentID = scanner.nextLine();
+        System.out.print("请输入学生的名：");
+        String firstName = scanner.nextLine();
+        System.out.print("请输入学生的姓：");
+        String lastName = scanner.nextLine();
+        return new Student(studentID, firstName, lastName);
+    }
+
+    public static ClassList inputClassList() {
+        Scanner scanner = new Scanner(System.in);
+        System.out.print("请输入学期数：");
+        int semester = scanner.nextInt();
+        System.out.print("请输入学年数：");
+        int year = scanner.nextInt();
+        System.out.println("===========\n请输入课程：");
+        Subject subject = inputSubject();
+        System.out.println("===========\n请输入第一个学生：");
+        Student student1 = inputStudent();
+        System.out.println("===========\n请输入第二个学生：");
+        Student student2 = inputStudent();
+        return new ClassList(semester, year, subject, student1, student2);
+    }
+
+    public static int checkInput(Scanner scanner, int low, int high) {
+        if (scanner.hasNextInt()) {
+            int opt = scanner.nextInt();
+            if (opt >= low && opt <= high) {
+                return opt;
+            }
+            System.out.println("输入超限，请输入" + low + "-" + high + "的数字");
+        } else {
+            System.out.println("输入数据类型错误，请输入" + low + "-" + high + "的数字");
+            scanner.next();
+        }
+        return -1;
+    }
+}

Week4/src/lesson6/work/Student.java

@@ -0,0 +1,45 @@
+package lesson6.work;
+
+public class Student {
+    private String studentID;
+    private String firstName;
+    private String lastName;
+
+    public Student() {
+    }
+
+    public Student(String studentID, String firstName, String lastName) {
+        this.studentID = studentID;
+        this.firstName = firstName;
+        this.lastName = lastName;
+    }
+
+    public String getStudentID() {
+        return studentID;
+    }
+
+    public void setStudentID(String studentID) {
+        this.studentID = studentID;
+    }
+
+    public String getFirstName() {
+        return firstName;
+    }
+
+    public void setFirstName(String firstName) {
+        this.firstName = firstName;
+    }
+
+    public String getLastName() {
+        return lastName;
+    }
+
+    public void setLastName(String lastName) {
+        this.lastName = lastName;
+    }
+
+    @Override
+    public String toString() {
+        return studentID + "\t" + lastName + " " + firstName;
+    }
+}

Week4/src/lesson6/work/Subject.java

@@ -0,0 +1,36 @@
+package lesson6.work;
+
+public class Subject {
+    private String subjectID;
+    private String subjectName;
+
+    public Subject() {
+    }
+
+    public Subject(String subjectID, String subjectName) {
+        this.subjectID = subjectID;
+        this.subjectName = subjectName;
+    }
+
+    public String getSubjectID() {
+        return subjectID;
+    }
+
+    public void setSubjectID(String subjectID) {
+        this.subjectID = subjectID;
+    }
+
+    public String getSubjectName() {
+        return subjectName;
+    }
+
+    public void setSubjectName(String subjectName) {
+        this.subjectName = subjectName;
+    }
+
+    @Override
+    public String toString() {
+        return "课程号：" + subjectID + "\n" +
+                "课程名：" + subjectName + "\n";
+    }
+}