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Copy pathTest_courseChooseSystem.java
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Test_courseChooseSystem.java
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package Run;
import Information.Course;
import Information.Teacher;
import Information.Student;
import java.util.Scanner;
public abstract class Test_courseChooseSystem {
static Student stu0 = new Student(1,"齐睿","男","S1001",0);
static Student stu1 = new Student(2,"博淼","男","S1002",0);
static Student stu2 = new Student(3,"家增","男","S1003",0);
static Student stu3 = new Student(4,"振宇","男","S1004",0);
static Teacher tea0 = new Teacher(1,"陈爽","女","T1001","线性代数");
static Teacher tea1 = new Teacher(2,"游煦","男","T1001","高等数学");
static Course cou0 = new Course(1,"线性代数","教104",0);
static Course cou1 = new Course(2,"高等数学","教201",0);
static int courseNo;
static int stuNo;
public static void main(String[] args) {
a:for(;;) {
System.out.println("\n************开始选课************");
printStudentAll();
System.out.println("请输入学生编号：");
Scanner reader = new Scanner(System.in);//录入语法
int x =reader.nextInt();//获取学生编号
stuNo=x;//记录学生编号
judgeStu(x);//选择学生
System.out.println("1.结束选课\n2.继续选课");
int m =reader.nextInt();
if(m==1){
break a;
}
}
printAll();
}
public static void judgeStu(int No) {//选择学生 判断是否退课
Scanner reader = new Scanner(System.in);
printStudent(stuNo);
System.out.println("1.选课\n2.退课");
int y =reader.nextInt();
if(No==1)
judgeChoose(y);
else if(No==2)
judgeChoose(y);
else if(No==3)
judgeChoose(y);
else if(No==4)
judgeChoose(y);
else if(No>4 && No<1)
System.out.println("学生编号不存在，请输入1~4");
}
public static void judgeChoose(int No) {//确认退课选课，选择课程编号
Scanner reader = new Scanner(System.in);
printCourseAll();
System.out.println("请输入选择课程编号：");
int z =reader.nextInt();
courseNo=z;//记录课程编号
if(No==1){//选课
courseChoose(z);
addWork(stuNo,courseNo);
}
else if(No==2){//退课
courseChoose(z);
reduceWork(stuNo,courseNo);
}
else System.out.println("输入有误，请输入1~2");
}
public static void courseChoose(int No) {//选择课程并打印老师
Scanner reader = new Scanner(System.in);
if(No==1) {
printTeacher(1);
}
else if(No==2) {
printTeacher(2);
}
else System.out.println("没有该课程信息，请输入1~2");
}
public static void addWork(int stuNo,int courseNo) {
if (stuNo==1 && courseNo==1) {
cou0.addStuNo(cou0.getStuNo());
stu0.addCourses(stu0.getCourses());
}
else if (stuNo==1 && courseNo==2) {
cou1.addStuNo(cou1.getStuNo());
stu0.addCourses(stu0.getCourses());
}
else if (stuNo==2 && courseNo==1) {
cou0.addStuNo(cou0.getStuNo());
stu1.addCourses(stu1.getCourses());
}
else if (stuNo==2 && courseNo==2) {
cou1.addStuNo(cou1.getStuNo());
stu1.addCourses(stu1.getCourses());
}
else if (stuNo==3 && courseNo==1) {
cou0.addStuNo(cou0.getStuNo());
stu2.addCourses(stu2.getCourses());
}
else if (stuNo==3 && courseNo==2) {
cou1.addStuNo(cou1.getStuNo());
stu2.addCourses(stu2.getCourses());
}
else if (stuNo==4 && courseNo==1) {
cou0.addStuNo(cou0.getStuNo());
stu3.addCourses(stu3.getCourses());
}
else if (stuNo==4 && courseNo==2) {
cou1.addStuNo(cou1.getStuNo());
stu3.addCourses(stu3.getCourses());
}
}
public static void reduceWork(int stuNo,int courseNo) {
if (stuNo==1 && courseNo==1) {
cou0.reduceStuNo(cou0.getStuNo());
stu0.reduceCourses(stu0.getCourses());
}
else if (stuNo==1 && courseNo==2) {
cou1.reduceStuNo(cou1.getStuNo());
stu0.reduceCourses(stu0.getCourses());
}
else if (stuNo==2 && courseNo==1) {
cou0.reduceStuNo(cou0.getStuNo());
stu1.reduceCourses(stu1.getCourses());
}
else if (stuNo==2 && courseNo==2) {
cou1.reduceStuNo(cou1.getStuNo());
stu1.reduceCourses(stu1.getCourses());
}
else if (stuNo==3 && courseNo==1) {
cou0.reduceStuNo(cou0.getStuNo());
stu2.reduceCourses(stu2.getCourses());
}
else if (stuNo==3 && courseNo==2) {
cou1.reduceStuNo(cou1.getStuNo());
stu2.reduceCourses(stu2.getCourses());
}
else if (stuNo==4 && courseNo==1) {
cou0.reduceStuNo(cou0.getStuNo());
stu3.reduceCourses(stu3.getCourses());
}
else if (stuNo==4 && courseNo==2) {
cou1.reduceStuNo(cou1.getStuNo());
stu3.reduceCourses(stu3.getCourses());
}
}
public static void printAll() {
System.out.println("<学生选课系统信息表>");
printStudentAll();
printTeacherAll();
printCourseAll();
System.out.println("************选课结束************\n\n\n");
}
public static void printTeacher(int x) {//打印单条教师信息
System.out.println("<教师信息>");
System.out.println("编号 姓名 性别 工号 授课");
if (x==1) {
System.out.println(" "+tea0.getNo()+" "+tea0.getTeacherName()+" "+tea0.getSex()+" "+tea0.getTeacherId()+" "+tea0.getTeaCourse());
System.out.println("\n");
}
else if (x==2) {
System.out.println(" "+tea1.getNo()+" "+tea1.getTeacherName()+" "+tea1.getSex()+" "+tea1.getTeacherId()+" "+tea1.getTeaCourse());
System.out.println("\n");
}
}
public static void printTeacherAll() {//打印所有教师信息
System.out.println("<教师信息>");
System.out.println("编号 姓名 性别 工号 授课");
System.out.println(" "+tea0.getNo()+" "+tea0.getTeacherName()+" "+tea0.getSex()+" "+tea0.getTeacherId()+" "+tea0.getTeaCourse());
System.out.println(" "+tea1.getNo()+" "+tea1.getTeacherName()+" "+tea1.getSex()+" "+tea1.getTeacherId()+" "+tea1.getTeaCourse());
}
public static void printStudent(int x) {
System.out.println("<学生信息>");
System.out.println("编号 姓名 性别 学号 课数");
if (x==1)
System.out.println(" "+stu0.getNo()+" "+stu0.getStudentName()+" "+stu0.getSex()+" "+stu0.getStudentId()+" "+stu0.getCourses());
else if (x==2)
System.out.println(" "+stu1.getNo()+" "+stu1.getStudentName()+" "+stu1.getSex()+" "+stu1.getStudentId()+" "+stu1.getCourses());
else if (x==3)
System.out.println(" "+stu2.getNo()+" "+stu2.getStudentName()+" "+stu2.getSex()+" "+stu2.getStudentId()+" "+stu2.getCourses());
else if (x==4)
System.out.println(" "+stu3.getNo()+" "+stu3.getStudentName()+" "+stu3.getSex()+" "+stu3.getStudentId()+" "+stu2.getCourses());
}
public static void printStudentAll() {
System.out.println("<学生信息>");
System.out.println("编号 姓名 性别 学号 课数");
System.out.println(" "+stu0.getNo()+" "+stu0.getStudentName()+" "+stu0.getSex()+" "+stu0.getStudentId()+" "+stu0.getCourses());
System.out.println(" "+stu1.getNo()+" "+stu1.getStudentName()+" "+stu1.getSex()+" "+stu1.getStudentId()+" "+stu1.getCourses());
System.out.println(" "+stu2.getNo()+" "+stu2.getStudentName()+" "+stu2.getSex()+" "+stu2.getStudentId()+" "+stu2.getCourses());
System.out.println(" "+stu3.getNo()+" "+stu3.getStudentName()+" "+stu3.getSex()+" "+stu3.getStudentId()+" "+stu3.getCourses());
}
public static void printCourse(int x) {
System.out.println("<课程信息>");
System.out.println("编号 课程名称 教学地点 选课人数");
if(x==1)
System.out.println(" "+cou0.getNo()+" "+cou0.getName()+" "+cou0.getAdd()+" "+cou0.getStuNo());
if(x==2)
System.out.println(" "+cou1.getNo()+" "+cou1.getName()+" "+cou1.getAdd()+" "+cou1.getStuNo());
}
public static void printCourseAll() {
System.out.println("<课程信息>");
System.out.println("编号 课程名称 教学地点 选课人数");
System.out.println(" "+cou0.getNo()+" "+cou0.getName()+" "+cou0.getAdd()+" "+cou0.getStuNo());
System.out.println(" "+cou1.getNo()+" "+cou1.getName()+" "+cou1.getAdd()+" "+cou1.getStuNo());
}
}