package Work.Day22_new2;
import java.util.Arrays;
import java.util.Scanner;
public class ClassStatic {
Scanner scanner = new Scanner(System.in);
//注册
public void signIn(Teacher[] teachers, Student[] students) {
System.out.println("1.老师注册 2.学生注册");
System.out.println("选择注册的身份账号");
int choose = scanner.nextInt();
System.out.println("账户名：");
String name = scanner.next();
System.out.println("密码：");
String pwd = scanner.next();
String regex = "[a-zA-Z0-9]{6,10}";
if (!pwd.matches(regex)) {
System.out.println("密码格式错误!!!");
return;
}
int t1 = 0;
int s1 = 0;
if (choose == 1) {
for (int i = 0; i < teachers.length; i++) {
if (teachers[i] == null) {
t1 = i;
}
}
teachers[t1] = new Teacher(name, pwd);
System.out.println("老师注册成功!!!");
} else if (choose == 2) {
for (int i = 0; i < students.length; i++) {
if (students[i] == null) {
s1 = i;
}
}
students[s1] = new Student(name, pwd);
System.out.println("学生注册成功!!!");
}
}
//登录
public User[] login(Teacher[] teachers, Student[] students) {
User[] user = null;
System.out.println("账号:");
String name = scanner.next();
System.out.println("密码:");
String pwd = scanner.next();
int t = 0;
for (int i = 0; i < teachers.length; i++) {
if (teachers[i] != null && teachers[i].getName().equals(name) && teachers[i].getPwd().equals(pwd)) {
t = i;
}
}
if (teachers[t] != null && teachers[t].getName().equals(name) && teachers[t].getPwd().equals(pwd)) {
System.out.println("老师登录成功!!!");
user = teachers;
} else {
int s = 0;
for (int i = 0; i < students.length; i++) {
if (students[i] != null && name.equals(students[i].getName()) && pwd.equals(students[i].getPwd())) {
s = i;
}
}
if (students[s] != null && name.equals(students[s].getName()) && pwd.equals(students[s].getPwd())) {
System.out.println("学生登录成功!!!");
user = students;
} else {
System.out.println("登录失败，账号或密码错误!!!");
}
}
return user;
}
//修改
public void edit(Teacher[] teachers, Student[] students) {
System.out.println("用户名:");
String name1 = scanner.next();
System.out.println("密码:");
String pwd1 = scanner.next();
for (int i = 0; i < teachers.length; i++) {
if (teachers[i] != null && name1.equals(teachers[i].getName())) {
System.out.println("修改前:" + teachers[i].getName() + " " + teachers[i].getPwd());
teachers[i] = new Teacher(name1, pwd1);
System.out.println("修改后:" + teachers[i].getName() + " " + teachers[i].getPwd());
break;
}
}
for (int i = 0; i < students.length; i++) {
if (students[i] != null && name1.equals(students[i].getName())) {
students[i] = new Student(name1, pwd1);
System.out.println("修改后:" + students[i].getName() + " " + students[i].getPwd());
break;
}
}
}
public void addExam(Exam[] arr_exam) {
for (int i = 0; i < arr_exam.length; i++) {
System.out.println("添加考试试题：");
String question = scanner.next();
System.out.println("题目对应的答案:");
String answers = scanner.next();
arr_exam[i] = new Exam(question, answers);
}
for (int i = 0; i < arr_exam.length; i++) {
System.out.println(arr_exam[i].getQuestion() + " " + arr_exam[i].getAnswer());
}
}
public void AllGrades(int[] arr_All) {
System.out.println(Arrays.toString(arr_All));
}
public void lookExam(Exam[] arr_exam) {
System.out.println("考试题目：");
for (int i = 0; i < arr_exam.length; i++) {
System.out.println(arr_exam[i].getQuestion());
}
}
public void writeAnswers(String[] arr_stuanswers) {
for (int i = 0; i < arr_stuanswers.length; i++) {
System.out.println("填写考试题目的答案:");
String writeAnswers = scanner.next();
arr_stuanswers[i] = writeAnswers;
}
System.out.println(Arrays.toString(arr_stuanswers));
}
public void score(Exam[] arr_exam, String[] arr_stuanswers, int[] arr_All) {
int score = 0;
int index = 0;
for (int i = 0; i < arr_exam.length; i++) {
if (arr_stuanswers[i].equals(arr_exam[i].getAnswer())) {
score += 20;
if (arr_All[i] == 0) {
index = i;
}
}
}
arr_All[index] = score;
System.out.println("学生成绩:" + arr_All[index]);
}
public double averageScore(int[] arr_all) {
int total = 0;
for (int i = 0; i < arr_all.length; i++) {
total += arr_all[i];
}
double ave = total / arr_all.length;
return ave;
}
public void numberPeople(int[] arr_all) {
int pass = 0;
int flunk = 0;
for (int i = 0; i < arr_all.length; i++) {
if (arr_all[i] < 60 && arr_all[i] > 0) {
flunk++;
} else if (arr_all[i] >= 60 && arr_all[i] <= 100) {
pass++;
}
}
System.out.println("及格人数:" + pass);
System.out.println("不及格人数:" + flunk);
}
public void loginAfter(Teacher[] teachers, Student[] students, User[] users, Exam[] arr_exam, int[] arr_All, String[] arr_stuanswers) {
if (users==null){
System.out.println("重新输入!!!");
} else if (users.equals(teachers)) {
boolean flag = true;
System.out.println("------老师登录后--------");
while (flag) {
System.out.println("1.修改信息 2.添加试题,答案");
System.out.println("3.查看全部学生成绩 4.查看班级平均分 ");
System.out.println("5.及格和不及格人数 6.退出 ");
System.out.println("选择项目:");
int choose = scanner.nextInt();
switch (choose) {
case 1:
edit(teachers, students);
break;
case 2:
addExam(arr_exam);
break;
case 3:
AllGrades(arr_All);
break;
case 4:
double ave = averageScore(arr_All);
System.out.println(ave);
break;
case 5:
numberPeople(arr_All);
break;
case 6:
flag = false;
System.out.println("退出成功!!!");
}
}
} else if (users.equals(students)) {
boolean flag = true;
System.out.println("------学生登录后--------");
while (flag) {
