package 学生评教管理系统;
import java.util.ArrayList;
import java.util.Scanner;
public class Operator {
Scanner scan;
Operator() {
scan = new Scanner(System.in);
}
//查询学生所有信息
public static void showAllStudent(ArrayList<Student> list) {
//思路: 遍历集合,获得每一个学生对象,再输出学生对象的信息
System.out.println("学号\t\t\t姓名\t\t\t年龄\t\t住址");
for (Student stu : list) {
System.out.println(stu.getSid() + "\t\t" + stu.getName() + "\t\t" + stu.getAge() + "\t\t" + stu.getAddress());
}
}
//添加学生
public static void addStudents(ArrayList<Student> list) {
Scanner sc = new Scanner(System.in);
System.out.println("请输入学号:");
int sid = sc.nextInt();
System.out.println("请输入姓名:");
String name = sc.next();
System.out.println("请输入年龄:");
int age = sc.nextInt();
System.out.println("请输入住址:");
String address = sc.next();
//2. 将学生的信息包装到Student Bean中
Student stu = new Student(sid, name, age, address);
//3. 将学生这个对象保存到集合中
list.add(stu);
System.out.println("添加成功!");
}
//修改学生
public static void reviseStudent(ArrayList<Student> list) {
// TODO Auto-generated method stub
//1. 判断集合中有没有学生信息
Scanner sc = new Scanner(System.in);
if (list.size() == 0) {
System.out.println("当前没有学生信息");
return; //return直接跳出当前语句,不会执行下面的语句
}
//2. 输入要修改的学生学号
System.out.println("请输入您想修改的学生学号:");
int id = sc.nextInt();
//3. 判断输入的id是否在list集合中,如果在,则执行一系列的代码,如果不在,直接跳出
boolean flag = false;
for (int i = 0; i < list.size(); i++) {
if (list.get(i).getSid() == id) {
flag = true;
//4. 提示用户输入新的学生信息(学号、姓名、年龄、住址)
System.out.println("请输入新的学号:");
int sidNew = sc.nextInt();
System.out.println("请输入新的姓名:");
String nameNew = sc.next();
System.out.println("请输入新的年龄:");
int ageNew = sc.nextInt();
System.out.println("请输入新的住址:");
String addressNew = sc.next();
//5. 将接受到的学生的信息重新包装到Student Bean中
Student stu = new Student(sidNew, nameNew, ageNew, addressNew);
//6. 将集合进行修改
list.set(i, stu);
System.out.println("修改成功!");
break;
}
}
if (flag == false) {
System.out.println("没有找到该学生,请重新输入:");
}
}
//删除学生
public static void delStudent(ArrayList<Student> list) {
//1. 判断集合中有没有学生信息
Scanner sc = new Scanner(System.in);
if (list.size() == 0) {
System.out.println("当前没有学生信息");
return; //return直接跳出当前语句,不会执行下面的语句
}
//2. 输入要删除的学生的学号
System.out.println("请输入您想要删除的学生学号:");
int id = sc.nextInt();
//3. 判断输入的id是否在list集合中,如果在,则执行一系列的代码,如果不在,直接跳出
boolean flag = false;
for (int i = 0; i < list.size(); i++) {
if (list.get(i).getSid() == id) {
flag = true;
list.remove(i);
System.out.println("删除成功!");
return; //break结束当前语句,下面的代码会继续执行
}
}
if (flag == false) {
System.out.println("未找到您想要删除的学生信息,请重新输入");
}
}
//录入课程
public void addCourses(Course[] courses) {
System.out.println("请输入学生信息:格式为课程号,课程名,学分");
String str;
String sInfor[];
for (int i = 0; i < courses.length; i++) {
str = scan.next();
sInfor = str.split(",");
courses[i] = new Course(sInfor[0], sInfor[1], Double.parseDouble(sInfor[2]));
}
}
//显示所有课程
public void displayCourses(Course[] courses) {
for (int i = 0; i < courses.length; i++) {
System.out.println("课程号:" + courses[i].getCourseId() + ",课程名:" + courses[i].getCourseName()
+ ",学分:" + courses[i].getCredit());
}
}
//删除某门课程
public void delCourses(Course[] courses) {
System.out.println("请输入要删除课程的编号:");
String courseId = scan.next();
for (int i = 0; i < courses.length; i++) {
if (courses[i].getCourseId().equals(courseId)) {
courses[i] = null;
System.out.println("删除成功!");
}
}
}
//录入教师
public void addTeachers(Teacher[] teachers) {
System.out.println("请输入教师信息:格式为工号,姓名,性别,电话,职称,年龄");
String str;
String sInfor[];
for (int i = 0; i < teachers.length; i++) {
str = scan.next();
sInfor = str.split(",");
teachers[i] = new Teacher(sInfor[0], sInfor[1], sInfor[2], sInfor[3], sInfor[4], Integer.parseInt(sInfor[5]));
}
}
// 显示教师所有信息
public void displayTeachers(Teacher[] teachers) {
for (int i = 0; i < teachers.length; i++) {
System.out.println("工号:" + teachers[i].getTeaId() + ",姓名:" + teachers[i].getTeaName()
+ ",性别:" + teachers[i].getSex() + ",电话:" + teachers[i].getTel()
+ ",职称:" + teachers[i].getProfessor() + ",年龄:" + teachers[i].getAge());
//if(teachers[i].teachCourse!=null){
// for(int j=0;j<teachers[i].teachCourse.length;j++){
// System.out.println("\t\t课程编号:"+teachers[i].teachCourse[j].courseId+",授课评价:"+teachers[i].teachCourse[j].evaluate);
// }
//}
}
}
//教师排课
public void assignTeachCourses(Teacher[] teachers, Course[] courses) {
System.out.println();
System.out.println("\t课程信息系如下:");
for (int i = 0; i < courses.length; i++) {
System.out.println("课程号:" + courses[i].getCourseId()
+ "\t" + "课程名称:" + courses[i].getCourseName());
}
System.out.println();
System.out.println("请选择课程,格式为:课程号1,课程号2,......");
for (int i = 0; i < teachers.length; i++) {
System.out.println("工号:" + teachers[i].getTeaId()
+ ",姓名:" + teachers[i].getTeaName() + " 排课(请输入课程号):");
String[] cIds = scan.next().split(",");
teachers[i].setTeachCourse(cIds);
}
}
//查询教师与课程号的对应信息
public void showCourses(Teacher[] teachers, Course[] courses) {
System.out.println("教师与课程号的对应关系如下:");
- 1
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