用java写一段教师管理系统
时间: 2023-09-18 10:11:21 浏览: 58
好的,这是一个简单的教师管理系统,包括添加教师、删除教师、修改教师信息、查询教师信息等功能。
```
import java.util.ArrayList;
import java.util.Scanner;
public class TeacherManagementSystem {
static ArrayList<Teacher> teachers = new ArrayList<>();
static Scanner scanner = new Scanner(System.in);
public static void main(String[] args) {
while (true) {
System.out.println("1.添加教师 2.删除教师 3.修改教师信息 4.查询教师信息 5.退出");
int option = scanner.nextInt();
switch (option) {
case 1:
addTeacher();
break;
case 2:
deleteTeacher();
break;
case 3:
updateTeacher();
break;
case 4:
queryTeacher();
break;
case 5:
System.exit(0);
default:
System.out.println("请输入正确的选项");
break;
}
}
}
private static void addTeacher() {
System.out.println("请输入教师姓名:");
String name = scanner.next();
System.out.println("请输入教师工号:");
String id = scanner.next();
System.out.println("请输入教师性别:");
String gender = scanner.next();
System.out.println("请输入教师年龄:");
int age = scanner.nextInt();
Teacher teacher = new Teacher(name, id, gender, age);
teachers.add(teacher);
System.out.println("添加成功!");
}
private static void deleteTeacher() {
System.out.println("请输入要删除的教师工号:");
String id = scanner.next();
for (Teacher teacher : teachers) {
if (teacher.getId().equals(id)) {
teachers.remove(teacher);
System.out.println("删除成功!");
return;
}
}
System.out.println("未找到该教师!");
}
private static void updateTeacher() {
System.out.println("请输入要修改的教师工号:");
String id = scanner.next();
for (Teacher teacher : teachers) {
if (teacher.getId().equals(id)) {
System.out.println("请输入教师姓名:");
String name = scanner.next();
System.out.println("请输入教师性别:");
String gender = scanner.next();
System.out.println("请输入教师年龄:");
int age = scanner.nextInt();
teacher.setName(name);
teacher.setGender(gender);
teacher.setAge(age);
System.out.println("修改成功!");
return;
}
}
System.out.println("未找到该教师!");
}
private static void queryTeacher() {
System.out.println("请输入要查询的教师工号:");
String id = scanner.next();
for (Teacher teacher : teachers) {
if (teacher.getId().equals(id)) {
System.out.println("教师姓名:" + teacher.getName());
System.out.println("教师工号:" + teacher.getId());
System.out.println("教师性别:" + teacher.getGender());
System.out.println("教师年龄:" + teacher.getAge());
return;
}
}
System.out.println("未找到该教师!");
}
}
class Teacher {
private String name;
private String id;
private String gender;
private int age;
public Teacher(String name, String id, String gender, int age) {
this.name = name;
this.id = id;
this.gender = gender;
this.age = age;
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public String getId() {
return id;
}
public void setId(String id) {
this.id = id;
}
public String getGender() {
return gender;
}
public void setGender(String gender) {
this.gender = gender;
}
public int getAge() {
return age;
}
public void setAge(int age) {
this.age = age;
}
}
```
上面的代码中,定义了一个 `Teacher` 类,表示教师的信息,包括姓名、工号、性别、年龄。`TeacherManagementSystem` 类中包含了添加教师、删除教师、修改教师信息、查询教师信息等功能。在 `main` 方法中,使用了一个无限循环,通过 `switch` 语句对用户的选择进行处理。在每个处理方法中,使用了相应的输入输出语句和循环语句,对教师信息进行添加、删除、修改、查询等操作。