本文实例为大家分享了Java实现学生教师管理系统的具体代码，供大家参考，具体内容如下
需求：
我们可以通过管理系统对学生和教师进行管理
对象学生和教师进行增删改查等的功能
1、Student和Teacher的父类
2、Student类
3、Teacher类
4、Utils工具类
5、测试类
Student和Teacher的父类
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public class Person { private String id; // 编号 private String name; // 姓名 private String IDcard; // 身份证 private String sex; // 性别 private String birthday; // 生日 private int age; //年龄 private String site; //地址 private String phone; // 电话 public Person() { } public Person(String id, String name, String IDcard, String sex, String birthday, String site, String phone) throws ParseException { this.id = id; this.name = name; this.IDcard = IDcard; this.sex = sex; this.birthday = birthday; this.age = Utils.birthdayToAge(birthday); this.site = site; this.phone = phone; } public String getId() { return id; } public void setId(String id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public String getIDcard() { return IDcard; } public void setIDcard(String IDcard) { this.IDcard = IDcard; } public String getSex() { return sex; } public void setSex(String sex) { this.sex = sex; } public String getBirthday() { return birthday; } public void setBirthday(String birthday) throws ParseException { this.birthday = birthday; this.age = Utils.birthdayToAge(birthday); } public int getAge() { return age; } public String getSite() { return site; } public void setSite(String site) { this.site = site; } public String getPhone() { return phone; } public void setPhone(String phone) { this.phone = phone; }} |
Student类
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import java.text.ParseException;public class Student extends Person { private int grade; // 成绩 private String group; // 班级 // 学生号，姓名，身份证，性别，生日，地址，手机号,成绩，班级 public Student(String id, String name, String IDcard, String sex, String birthday, String site, String phone, int grade, String group) throws ParseException { super(id, name, IDcard, sex, birthday, site, phone); this.grade = grade; this.group = group; } public Student() { } public int getGrade() { return grade; } public void setGrade(int grade) { this.grade = grade; } public String getGroup() { return group; } public void setGroup(String group) { this.group = group; }} |
Teacher类
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import java.text.ParseException;public class Teacher extends Person{ private String career; // 专业 private String salary; // 工资 // 教师号，姓名，身份证，性别，生日，地址，手机号，专业，工资 public Teacher(String id, String name, String IDcard, String sex, String birthday, String site, String phone, String career, String salary) throws ParseException { super(id, name, IDcard, sex, birthday, site, phone); this.career = career; this.salary = salary; } public Teacher() { } public String getCareer() { return career; } public void setCareer(String career) { this.career = career; } public String getSalary() { return salary; } public void setSalary(String salary) { this.salary = salary; }} |
根据生日计算年龄的一个静态工具类
Utils
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import java.text.ParseException;import java.text.SimpleDateFormat;import java.util.Date;public class Utils { public static int birthdayToAge(String birthday) throws ParseException { SimpleDateFormat sdf= new SimpleDateFormat("yyyy-MM-dd"); Date date = sdf.parse(birthday); Date date1 = new Date(); long time = date.getTime(); long time1 = date1.getTime(); long age = (time1 - time) / 1000 / 60 / 60/ 24 / 365; return (int)age; }} |
测试类
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import java.text.ParseException;import java.util.ArrayList;import java.util.Scanner;public class StudentAndTeacherSystem { public static Scanner sc = new Scanner(System.in); public static ArrayList<Student> students = new ArrayList(); public static ArrayList<Teacher> teachers = new ArrayList(); public static void main(String[] args) throws ParseException { System.out.println("********************欢迎来到学生教师管理系统********************"); while (true) { System.out.println("【1】 学生管理系统 【2】 教师管理系统 【3】 退出"); String num = sc.next(); switch (num) { case "1": // 学生管理系统 studentSystem(); break; case "2": // 教师管理系统 teacherSystem(); break; case "3": System.out.println("感谢您的使用！"); System.exit(0); default: System.out.println("您输入的编号" + num + "有误！"); break; } } } // 学生 public static void studentSystem() throws ParseException { System.out.println("**********************【欢迎来到学生管理系统】**********************"); while (true){ System.out.println("*******【1】添加学生***************************【2】 修改学生*********"); System.out.println("*******【3】删除学生***************************【4】 查看所有学生******"); System.out.println("*******【5】查找指定学生************************【6】 统计所有学生信息**"); System.out.println("***************************【7】 返回上一级***************************"); System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~【请输入您要选择的编号】~~~~~~~~~~~~~~~~~~~~~~~~"); String num = sc.next(); switch (num){ case "1": // 添加 addStudent(); break; case "2": // 修改 updateStudent(); break; case "3": // 删除 deleteStudent(); break; case "4": // 查看 selectStudent(); break; case "5": // 指定查看 assignStudent(); break; case "6": // 统计 statisticsStudent(); break; case "7": System.out.println("返回上一级"); return; default: System.out.println("您输入的编号" + num + "有误！"); break; } } } public static void addStudent() throws ParseException {// System.out.println("添加成功！"); System.out.println("请输入您的学生号："); while (true) { String id = sc.next(); int index = getIndex(students, id); if (index == -1) { System.out.println("请输入您的姓名："); String name = sc.next(); System.out.println("请输入您的身份证："); String IDcard = sc.next(); System.out.println("请输入您的性别："); String sex = sc.next(); System.out.println("请输入您的生日（格式：2000-10-10）"); String birthday = sc.next(); System.out.println("请输入您的家庭地址："); String site = sc.next(); System.out.println("请输入您的手机号："); String phone = sc.next(); System.out.println("请输入您的成绩："); int grade = sc.nextInt(); System.out.println("请输入您的班级："); String group = sc.next(); Student stu = new Student(id, name, IDcard, sex, birthday, site, phone, grade, group); students.add(stu); System.out.println("添加成功！"); return; } else { System.out.println("您输入的学生号已存在，请重新输入！"); } } } // 修改 public static void updateStudent() throws ParseException { // System.out.println("修改成功！"); System.out.println("请输入您要修改的学生号："); String id = sc.next(); int index = getIndex(students,id); if(index == -1){ System.out.println("您输入的学生号不存在！！"); return; } System.out.println("请输入您的姓名："); String name = sc.next(); System.out.println("请输入您的身份证："); String IDcard = sc.next(); System.out.println("请输入您的性别："); String sex = sc.next(); System.out.println("请输入您的生日："); String birthday = sc.next(); System.out.println("请输入您的地址："); String site = sc.next(); System.out.println("请输入您的手机号："); String phone = sc.next(); System.out.println("请输入您的成绩："); int grade = sc.nextInt(); System.out.println("请输入您的班级："); String group = sc.next(); Student stu = new Student(id,name, IDcard,sex,birthday,site,phone,grade,group); students.set(index,stu); System.out.println("修改成功！"); } // 删除 public static void deleteStudent() {// System.out.println("删除成功！"); System.out.println("请输入您要删除的学生号："); String id = sc.next(); int index = getIndex(students,id); if(index == -1){ System.out.println("您输入的学生号不存在！"); return; }else{ students.remove(index); System.out.println("删除成功！"); return; } } // 查看 public static void selectStudent() { // System.out.println("查看成功！"); int num = students.size(); if(num == 0){ System.out.println("暂无信息，请添加以后在来查看！"); return; } // 编号，姓名，身份证，性别，生日，地址，手机号,成绩，班级 System.out.println("学生号\t姓名\t身份证\t性别\t生日\t年龄\t地址\t手机号\t成绩\t班级"); for (int i = 0; i < students.size(); i++) { Student stu = students.get(i); System.out.println(stu.getId() + "\t" + stu.getName() + "\t" + stu.getIDcard() + "\t" + stu.getSex() + "\t" + stu.getBirthday() + "\t" + stu.getAge() + "\t" + stu.getSite() + "\t" + stu.getPhone() + "\t" + stu.getGrade() + "\t" + stu.getGroup()); } } // 指定查看 public static void assignStudent() {// System.out.println("指定查看成功！"); System.out.println("请输入您要查找的学生号："); String id = sc.next(); int index = getIndex(students,id); if(index == -1){ System.out.println("您输入的学生号不存在！"); }else{// // 编号，姓名，身份证，性别，生日，地址，手机号,成绩，班级 for (int i = 0; i < students.size(); i++) { Student stu = students.get(i); System.out.println("学生号：" + stu.getId()); System.out.println("姓 名：" + stu.getName()); System.out.println("生 日：" + stu.getBirthday()); System.out.println("年 龄：" + stu.getAge()); System.out.println("身份证：" + stu.getIDcard()); System.out.println("性 别：" + stu.getSex()); System.out.println("地 址：" + stu.getSite()); System.out.println("手机号：" + stu.getPhone()); System.out.println("成 绩：" + stu.getGrade()); System.out.println("班 级：" + stu.getGroup()); } } } // 统计 public static void statisticsStudent() {// System.out.println("统计成功！"); int countSex = 0; int countGrade = 0; for (int i = 0; i < students.size(); i++) { Student stu = students.get(i); if(stu.getSex().equals("男")){ countSex++; } if(stu.getGrade() > 60){ countGrade++; } } System.out.println("学校一共有：" + students.size() + "个人"); System.out.println("男生有：" + countSex + "人"); System.out.println("女生有：" + (students.size() - countSex) + "人"); System.out.println("及格有：" + countGrade + "人"); System.out.println("不及格有：" + (students.size() - countGrade) + "人"); } // 判断学生是否存在 public static int getIndex(ArrayList<Student> students,String id){ int index = -1; for (int i = 0; i < students.size(); i++) { Student stu = students.get(i); String sid = stu.getId(); if(sid.equals(id)){ index = i; } } return index; } //=================================================================================== // 教师 public static void teacherSystem() throws ParseException { System.out.println("********************【欢迎来到教师管理系统】**************************"); while (true){ System.out.println("*******【1】添加教师***************************【2】 修改教师*********"); System.out.println("*******【3】删除教师***************************【4】 查看所有教师******"); System.out.println("*******【5】查找指定教师************************【6】 统计所有教师信息**"); System.out.println("***************************【7】 返回上一级***************************"); System.out.println("~~~~~~~~~~~~~~~~~~~~~~~~【请输入您要选择的编号】~~~~~~~~~~~~~~~~~~~~~~~~"); String num = sc.next(); // 编号，姓名，身份证，性别，生日，地址，手机号,成绩，班级 switch (num){ case "1": // 添加 addTeacher(); break; case "2": // 修改 updateTeacher(); break; case "3": // 删除 deleteTeacher(); break; case "4": // 查看 selectTeacher(); break; case "5": // 指定查看 assignTeacher(); break; case "6": // 统计 statisticsTeacher(); break; case "7": System.out.println("返回上一级"); return; default: System.out.println("您输入的编号" + num + "有误！"); break; } } } // 添加 public static void addTeacher() throws ParseException { //System.out.println("添加成功！"); System.out.println("请输入您的教师号："); while (true) { String id = sc.next(); int index = getindex(teachers, id); if (index == -1) { System.out.println("请输入您的姓名："); String name = sc.next(); System.out.println("请输入您的身份证："); String IDcard = sc.next(); System.out.println("请输入您的性别："); String sex = sc.next(); System.out.println("请输入您的生日（格式：2000-10-10）"); String birthday = sc.next(); System.out.println("请输入您的家庭地址："); String site = sc.next(); System.out.println("请输入您的手机号："); String phone = sc.next(); System.out.println("请输入您的专业："); String career = sc.next(); System.out.println("请输入您的工资："); String salary = sc.next(); Teacher teacher = new Teacher(id, name, IDcard, sex, birthday, site, phone, career, salary); teachers.add(teacher); System.out.println("添加成功！"); return; } else { System.out.println("您输入的教师号已存在，请重新输入！"); } } } // 修改 public static void updateTeacher() throws ParseException { //System.out.println("修改成功！"); System.out.println("请输入您要修改的教师号："); String id = sc.next(); int index = getindex(teachers,id); if(index == -1){ System.out.println("您输入的教师号不存在！！"); return; } System.out.println("请输入您的姓名："); String name = sc.next(); System.out.println("请输入您的身份证："); String IDcard = sc.next(); System.out.println("请输入您的性别："); String sex = sc.next(); System.out.println("请输入您的生日："); String birthday = sc.next(); System.out.println("请输入您的地址："); String site = sc.next(); System.out.println("请输入您的手机号："); String phone = sc.next(); System.out.println("请输入您的专业："); String career = sc.next(); System.out.println("请输入您的工资："); String salary = sc.next(); Teacher teacher = new Teacher(id,name, IDcard,sex,birthday,site,phone,career,salary); teachers.set(index,teacher); System.out.println("修改成功！"); } // 删除 public static void deleteTeacher() { //System.out.println("删除成功！"); System.out.println("请输入您要删除的教师号："); String id = sc.next(); int index = getindex(teachers,id); if(index == -1){ System.out.println("您输入的教师号不存在！"); return; }else{ teachers.remove(index); System.out.println("删除成功！"); return; } } // 查看 public static void selectTeacher() { //System.out.println("查看成功！"); int num = teachers.size(); if(num == 0){ System.out.println("暂无信息，请添加以后在来查看！"); return; } // 编号，姓名，身份证，性别，生日，地址，手机号,成绩，班级 System.out.println("教师号\t姓名\t身份证\t性别\t生日\t年龄\t地址\t手机号\t专业\t工资"); for (int i = 0; i < teachers.size(); i++) { Teacher teacher = teachers.get(i); System.out.println(teacher.getId() + "\t" + teacher.getName() + "\t" + teacher.getIDcard() + "\t" + teacher.getSex() + "\t" + teacher.getBirthday() + "\t" + teacher.getAge() + "\t" + teacher.getSite() + "\t" + teacher.getPhone() + "\t" + teacher.getCareer() + "\t" + teacher.getSalary()); } } // 指定查看 public static void assignTeacher() { //System.out.println("指定查看成功！"); System.out.println("请输入您要查找的教师号："); String id = sc.next(); int index = getindex(teachers,id); if(index == -1){ System.out.println("您输入的教师号不存在！"); }else{// // 编号，姓名，身份证，性别，生日，地址，手机号,成绩，班级 for (int i = 0; i < teachers.size(); i++) { Teacher teacher = teachers.get(i); System.out.println("教师号：" + teacher.getId()); System.out.println("姓 名：" + teacher.getName()); System.out.println("生 日：" + teacher.getBirthday()); System.out.println("年 龄：" + teacher.getAge()); System.out.println("身份证：" + teacher.getIDcard()); System.out.println("性 别：" + teacher.getSex()); System.out.println("地 址：" + teacher.getSite()); System.out.println("手机号：" + teacher.getPhone()); System.out.println("专 业：" + teacher.getCareer()); System.out.println("工 资：" + teacher.getCareer()); } } } // 统计 public static void statisticsTeacher() { // System.out.println("统计成功！"); int countSex = 0; for (int i = 0; i < teachers.size(); i++) { Teacher teacher = teachers.get(i); if(teacher.getSex().equals("男")){ countSex++; } } System.out.println("学校一共有：" + teachers.size() + "个教师"); System.out.println("男教师有：" + countSex + "人"); System.out.println("女教师有：" + (teachers.size() - countSex) + "人"); } // 判断教师是否存在 public static int getindex(ArrayList<Teacher> teachers,String id){ int index = -1; for (int i = 0; i < teachers.size(); i++) { Teacher teacher = teachers.get(i); String sid = teacher.getId(); if(sid.equals(id)){ index = i; } } return index; }} |
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持服务器之家。
原文链接：https://blog.csdn.net/qq_44804064/article/details/115068953
