真没想到（用java写学生信息管理系统）简单的学生信息管理系统java，手把手教你，Java实现学生信息管理系统,附全部源码，java信息管理系统，

import data.DataBase;import pojo.Student;import tools.StuInit;import tools.Tools;import view.CourseView;import view.ManagerPersonView;import view.GradeView;import view.StudentView;/*** 这是程序启动的入口**/public class Main {public static void main(String[] args) {//启动初始化StuInit.start();boolean system=true;while (system) {System.out.println("欢迎使用学生管理系统");System.out.println("-------------------------------------");System.out.println("请选择登录的用户的类型：");System.out.println("0：管理员；1：学生；2：退出");int userType = Tools.getInteger(Tools.scanner.next(), 1);if (userType == 1) {System.out.println("欢迎同学使用本系统");System.out.println("-------------------------------------");if (StudentView.login()) {boolean flag = true;while (flag) {System.out.println("请选择你的操作：");System.out.println("-------------------------------------");System.out.println("1:查看自己的信息");System.out.println("2:查看自己的成绩");System.out.println("4:修改自己的密码");System.out.println("3:退出登录");int type = Tools.getInteger(Tools.scanner.next(), 0);switch (type) {case 1:System.out.println(DataBase.getRequest().get("login"));break;case 2:GradeView.find(((Student) DataBase.getRequest().get("login")).getUsername());break;case 3:flag = false;break;case 4:StudentView.updatePwd();break;default:break;}}} else {System.out.println("用户登录失败");System.out.println("-------------------------------------");}} else if(userType==0){System.out.println("欢迎管理员使用本系统");System.out.println("-------------------------------------");if (ManagerPersonView.login()) {boolean flag = true;while (flag) {System.out.println("请选择你的操作：");System.out.println("-------------------------------------");System.out.println("2:查看所有用户的信息");System.out.println("3:查看所有用户的成绩");System.out.println("4:查看指定用户的成绩");System.out.println("5:查看指定用户的信息");System.out.println("6:添加课程");System.out.println("7:添加用户");System.out.println("8:添加成绩");System.out.println("9:修改用户");System.out.println("10:修改成绩");System.out.println("11:修改课程");System.out.println("12:显示课程");System.out.println("20:删除学生");System.out.println("13:退出登录");System.out.println("**********************");System.out.println("1:查看本人的信息");System.out.println("14:修改本人信息");System.out.println("15:修改其他管理员信息(超级管理员权限)");System.out.println("16:添加一个新的管理员(超级管理员权限)");System.out.println("17:删除一个管理员(超级管理员权限)");System.out.println("18:查询所有的管理员的信息(超级管理员权限)");System.out.println("19:查询指定的管理员的信息(超级管理员权限)");System.out.println("-------------------------------------");int type = Tools.getInteger(Tools.scanner.next(), 0);switch (type) {case 1:System.out.println(DataBase.getRequest().get("login"));break;case 2:StudentView.find();break;case 3:GradeView.findAll();break;case 4:StudentView.find();GradeView.find();break;case 5:StudentView.findByUsername();break;case 6:CourseView.add();break;case 7:StudentView.add();break;case 8:StudentView.find();CourseView.find();GradeView.add();break;case 9:StudentView.find();StudentView.update();break;case 10:StudentView.find();CourseView.find();GradeView.update();break;case 11:CourseView.find();CourseView.update();break;case 12:CourseView.find();break;case 13:flag = false;break;case 14:ManagerPersonView.updateMy();break;case 15:ManagerPersonView.find();ManagerPersonView.update();break;case 16:ManagerPersonView.add();break;case 17:ManagerPersonView.find();ManagerPersonView.del();break;case 18:ManagerPersonView.find();break;case 19:ManagerPersonView.findByUsername();break;case 20:StudentView.find();StudentView.del();break;default:break;}}}}else{//结束保存StuInit.stop();system=false;}}}}

import java.util.HashMap;import java.util.Map;import pojo.Course;import pojo.ManagerPerson;import pojo.Student;public class DataBase {private static Map<String,Object> request=new HashMap<>();//存储一些数据private static Map<String,Student> students=new HashMap<>();//学生的数据private static Map<String,ManagerPerson> managerPersons=new HashMap<>();//管理员的数据private static Map<String,Course> courses=new HashMap<>();//课程的数据public static Map<String, Student> getStudents() {return students;}public static void setStudents(Map<String, Student> students) {DataBase.students = students;}public static Map<String, ManagerPerson> getManagerPersons() {return managerPersons;}public static void setManagerPersons(Map<String, ManagerPerson> managerPersons) {DataBase.managerPersons = managerPersons;}public static Map<String, Course> getCourses() {return courses;}public static void setCourses(Map<String, Course> courses) {DataBase.courses = courses;}public static Map<String, Object> getRequest() {return request;}public static void setRequest(Map<String, Object> request) {DataBase.request = request;}}

import java.util.ArrayList;import java.util.List;import java.util.Map;import java.util.Set;import data.DataBase;import pojo.Course;/*** 课程的业务处理**/public class CourseManager {//增public static boolean add(Course course){if(DataBase.getCourses().containsKey(course.getId())){return false;}else{DataBase.getCourses().put(course.getId(), course);return true;}}//改public static void update(Course course){DataBase.getCourses().put(course.getId(), course);}//查public static List<Course> find(){Map<String, Course> stus = DataBase.getCourses();Set<String> kSet = stus.keySet();Object[] objs = kSet.toArray();List<Course> list = new ArrayList<Course>();for (int i = 0; i < objs.length; i++) {String sid = (String) (objs[i]);list.add(stus.get(sid));}return list;}/*** 返回课程的信息* @param id 课程的id* @return 返回的课程的信息，如果输入的课程的id没有查到，返回空*/public static Course find(String id){return DataBase.getCourses().get(id);}}

import java.util.ArrayList;import java.util.List;import java.util.Map;import java.util.Set;import data.DataBase;import pojo.ManagerPerson;/*** 管理员的业务处理**/public class ManagerPersonManager {// 添加public static boolean add(ManagerPerson ManagerPerson) {if(DataBase.getManagerPersons().containsKey(ManagerPerson.getUsername())){return false;}else{DataBase.getManagerPersons().put(ManagerPerson.getUsername(), ManagerPerson);return true;}}// 删除public static void del(String username) {DataBase.getManagerPersons().remove(username);}// 改public static void update(ManagerPerson ManagerPerson) {DataBase.getManagerPersons().put(ManagerPerson.getUsername(), ManagerPerson);}// 查所有public static List<ManagerPerson> find() {Map<String, ManagerPerson> stus = DataBase.getManagerPersons();Set<String> kSet = stus.keySet();Object[] objs = kSet.toArray();List<ManagerPerson> list = new ArrayList<ManagerPerson>();for (int i = 0; i < objs.length; i++) {String sid = (String) (objs[i]);list.add(stus.get(sid));}return list;}// 查一个public static ManagerPerson findByUserName(String username) {return DataBase.getManagerPersons().get(username);}// 登录public static boolean login(String username, String password) {try {ManagerPerson stu = DataBase.getManagerPersons().get(username);if (password.equals(stu.getPassword())) {// 登录成功DataBase.getRequest().put("login", stu);return true;} else {// 登录失败return false;}} catch (Exception e) {return false;}}}

import java.util.Map;import java.util.Set;import data.DataBase;import pojo.Course;/*** 成绩的业务**/public class GradeManager {/*** 增加成绩** @param username* 用户名* @param courseId* 课程的id* @param result* 分数*/public static boolean add(String username, String courseId, double result) {try {Course course = DataBase.getCourses().get(courseId);if (course != null) {if (DataBase.getStudents().get(username).getResults().containsKey(course)) {return false;} else {DataBase.getStudents().get(username).getResults().put(course, result);return true;}} else {return false;}} catch (Exception e) {return false;}}/*** 删除学生的成绩** @param username* 用户名* @param courseId* 课程的id*/public static void del(String username, String courseId) {Course course = DataBase.getCourses().get(courseId);DataBase.getStudents().get(username).getResults().remove(course);}/*** 修改用户的成绩** @param username* 用户名* @param courseId* 课程的id* @param result* 成绩分数*/public static boolean update(String username, String courseId, double result) {Course course = DataBase.getCourses().get(courseId);if(DataBase.getStudents().get("username").getResults().containsKey(course)){DataBase.getStudents().get(username).getResults().put(course, result);return true;}else{return false;}}/*** 查,显示课程的id和课程的名字，和成绩** @param username* 查询的用户的用户名*/public static String[][] find(String username) {Map<Course, Double> stus = DataBase.getStudents().get(username).getResults();Set<Course> kSet = stus.keySet();Object[] objs = kSet.toArray();Course[] courses = new Course[objs.length];for (int i = 0; i < objs.length; i++) {courses[i] = (Course) objs[i];}String[][] result = new String[objs.length][3];for (int i = 0; i < objs.length; i++) {result[i][0] = courses[i].getId();result[i][1] = courses[i].getName();result[i][2] = stus.get(courses[i]) + "";}return result;}}

import java.util.ArrayList;import java.util.List;import java.util.Map;import java.util.Set;import data.DataBase;import pojo.Student;/*** 学生的业务*/public class StudentManager {// 添加public static boolean add(Student student) {if(DataBase.getStudents().containsKey(student.getUsername())){return false;}else{DataBase.getStudents().put(student.getUsername(), student);return true;}}// 删除public static void del(String username) {DataBase.getStudents().remove(username);}// 改public static void update(Student student) {DataBase.getStudents().put(student.getUsername(), student);}// 查所有public static List<Student> find() {Map<String, Student> stus = DataBase.getStudents();Set<String> kSet = stus.keySet();Object[] objs = kSet.toArray();List<Student> list = new ArrayList<Student>();for (int i = 0; i < objs.length; i++) {String sid = (String) (objs[i]);list.add(stus.get(sid));}return list;}// 查一个public static Student findByUserName(String username) {return DataBase.getStudents().get(username);}// 登录public static boolean login(String username,String password){Student stu=DataBase.getStudents().get(username);try {if(password.equals(stu.getPassword())){//登录成功DataBase.getRequest().put("login", stu);return true;}else{//登录失败return false;}} catch (Exception e) {return false;}}}

public class Course {private String id;//课程的idprivate String name;//课程的名字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;}@Overridepublic String toString() {return " [课程编号=" + id + ", 课程名=" + name + "]";}}

import java.util.HashMap;import java.util.Map;public class Student extends Person {private Map<Course, Double> results=new HashMap<Course,Double>();//学生的成绩public Map<Course, Double> getResults() {return results;}public void setResults(Map<Course, Double> results) {this.results = results;}@Overridepublic String toString() {return super.toString();}}

import java.util.Date;import tools.Tools;public class Person {protected String username;//用户的账户和idprotected String password;//用户的密码protected String name;//用户的姓名protected int sex;//用户的性别0女，1男，2不详protected int age;//年龄protected Date createDate;//用户添加的时间protected String address;//用户的地址public Person() {super();}public Person(String username, String password, String name, int sex, int age, Date createDate, String address) {super();this.username = username;this.password = password;this.name = name;this.sex = sex;this.age = age;this.createDate = createDate;this.address = address;}public String getAddress() {return address;}public void setAddress(String address) {this.address = address;}public String getUsername() {return username;}public void setUsername(String username) {this.username = username;}public String getPassword() {return password;}public void setPassword(String password) {this.password = password;}public String getName() {return name;}public void setName(String name) {this.name = name;}public int getSex() {return sex;}public void setSex(int sex) {this.sex = sex;}public int getAge() {return age;}public void setAge(int age) {this.age = age;}public String getCreateDate() {return Tools.format.format(createDate);}public void setCreateDate(Date createDate) {this.createDate = createDate;}@Overridepublic String toString() {return "[用户名=" + username + ", 姓名=" + name + ", 性别=" + Tools.getSex(sex) + ", 年龄="+ age + ", 创建时间=" + Tools.format.format(createDate) + ", 地址=" + address + "]";}@Overridepublic int hashCode() {final int prime = 31;int result = 1;result = prime * result + ((username == null) ? 0 : username.hashCode());return result;}@Overridepublic boolean equals(Object obj) {if (this == obj)return true;if (obj == null)return false;if (getClass() != obj.getClass())return false;Person other = (Person) obj;if (username == null) {if (other.username != null)return false;} else if (!username.equals(other.username))return false;return true;}}

public class ManagerPerson extends Person{private int rank;//管理员的等级，0为超级管理员，1为普通管理员public int getRank() {return rank;}public void setRank(int rank) {this.rank = rank;}}

import java.util.List;import pojo.Course;import manager.CourseManager;import tools.Tools;public class CourseView {/*** 添加一个课程*/public static void add() {// 请输入课程的编号System.out.println("请输入课程的编号：");Course course = new Course();course.setId(Tools.scanner.next());System.out.println("请输入课程的名字：");course.setName(Tools.scanner.next());if (CourseManager.add(course)) {System.out.println("添加成功");} else {System.out.println("添加失败，课程的编号可能已经存在");}}/*** 修改课程的信息*/public static void update() {// 请输入课程的编号System.out.println("请输入课程的编号：");Course course = CourseManager.find(Tools.scanner.next());if (course == null) {System.out.println("输入的课程查不到，请查证后输入");} else {System.out.println("请输入新的课程的名字：");course.setName(Tools.scanner.next());System.out.println("修改成功");}}/*** 查找所有课程的信息*/public static void find() {List<Course> list = CourseManager.find();for (Course course : list) {System.out.println(course);}}/*** 查询指定的课程的信息*/public static Course findById(String id) {Course course = CourseManager.find(id);if (course == null) {System.out.println("输入的课程查不到，请查证后输入");} else {System.out.println(course);}return course;}/*** 查询指定的课程的信息*/public static void findById() {// 请输入课程的编号System.out.println("请输入课程的编号：");Course course = CourseManager.find(Tools.scanner.next());if (course == null) {System.out.println("输入的课程查不到，请查证后输入");} else {System.out.println(course);}}}

import java.util.List;import pojo.Student;import manager.GradeManager;import manager.StudentManager;import tools.Tools;public class GradeView {/*** 增加一个成绩*/public static void add() {System.out.println("请输入要添加成绩的用户名：");String username = Tools.scanner.next();System.out.println("请输入课程的编号：");String code = Tools.scanner.next();System.out.println("请输入分数：");double result = Tools.getDouble(Tools.scanner.next(), 0);try {if (GradeManager.add(username, code, result)) {System.out.println("添加成功");} else {System.out.println("添加失败，您输入的信息错误");}} catch (Exception e) {System.out.println("添加失败，您输入的信息错误");}}/*** 删除用户的成绩*/public static void del() {System.out.println("请输入要删除成绩的用户名：");String username = Tools.scanner.next();System.out.println("请输入课程的编号：");String code = Tools.scanner.next();try {GradeManager.del(username, code);System.out.println("删除成功");} catch (Exception e) {System.out.println("删除失败。您输入的信息错误");}}/*** 修改用户的成绩*/public static void update() {System.out.println("请输入要修改成绩的用户名：");String username = Tools.scanner.next();System.out.println("请输入课程的编号：");String code = Tools.scanner.next();System.out.println("请输入新的分数：");double result = Tools.getDouble(Tools.scanner.next(), 0);try {if(GradeManager.update(username, code, result)){System.out.println("修改成功");}else{System.out.println("修改失败，可能成绩信息不存在");}} catch (Exception e) {System.out.println("修改失败，您输入的信息错误");}}/*** 查询指定用户的成绩*/public static void find() {System.out.println("请输入要查询成绩的用户名：");String username = Tools.scanner.next();try {Student student = StudentManager.findByUserName(username);String[][] result = GradeManager.find(username);for (int i = 0; i < result.length; i++) {System.out.println("用户账户：" + student.getUsername() + "姓名：" + student.getName() + ":课程编号：" + result[i][0]+ "课程名称：" + result[i][1] + "成绩：" + result[i][2]);}} catch (Exception e) {System.out.println("查询失败，您输入的信息有误");}}/*** 查询指定用户的成绩*/public static void find(String username) {try {Student student = StudentManager.findByUserName(username);String[][] result = GradeManager.find(username);for (int i = 0; i < result.length; i++) {System.out.println("用户账户：" + student.getUsername() + "姓名：" + student.getName() + ":课程编号：" + result[i][0]+ "课程名称：" + result[i][1] + "成绩：" + result[i][2]);}} catch (Exception e) {System.out.println("查询失败，您输入的信息有误");}}/*** 查询所有用户的成绩*/public static void findAll() {List<Student> list = StudentManager.find();try {for (int i = 0; i < list.size(); i++) {Student student = list.get(i);String[][] result = GradeManager.find(student.getUsername());for (int j = 0; j < result.length; j++) {System.out.println("用户账户：" + student.getUsername() + "姓名：" + student.getName() + ":课程编号："+ result[j][0] + "课程名称：" + result[j][1] + "成绩：" + result[j][2]);}}} catch (Exception e) {System.out.println("查询失败");}}}

import java.util.Date;import java.util.List;import data.DataBase;import pojo.Student;import manager.StudentManager;import tools.Tools;/*** 学生的交互界面*/public class StudentView {/*** 用户登录* @return*/public static boolean login(){System.out.println("请输入学生的账户：");String username=Tools.scanner.next();System.out.println("请输入学生的密码：");String password=Tools.scanner.next();//判断是否登录成功，如果成功将登录用户的信息存放到request login中return StudentManager.login(username, password);}/*** 增加一个学生*/public static void add() {// 新建一个学生的对象Student student = new Student();// 添加创建用户的时间student.setCreateDate(new Date());System.out.println("请输入用户的账户：");student.setUsername(Tools.scanner.next());System.out.println("请输入用户的密码：");student.setPassword(Tools.scanner.next());System.out.println("请输入用户的姓名：");student.setName(Tools.scanner.next());System.out.println("请选择用户的性别：");System.out.println("0：女； 1：男； 2：不详");// 输入用户的性别，并进行数据的校验int sex = Math.abs(Tools.getInteger(Tools.scanner.next(), 2));student.setSex(sex > 2 ? 2 : sex);System.out.println("请输入用户年龄：");student.setAge(Tools.getInteger(Tools.scanner.next(), 0));student.setCreateDate(new Date());// 添加用户的时间System.out.println("请输入用户的地址：");student.setAddress(Tools.scanner.next());if(StudentManager.add(student)){System.out.println("添加成功");}else{System.out.println("添加失败，输入的信息有误，或者用户的学号重复");}}/*** 删除一个学生*/public static void del() {System.out.println("请输入用户的账户：");String username = Tools.scanner.next();Student student = StudentManager.findByUserName(username);if (student == null) {System.out.println("删除的用户不存在");} else {StudentManager.del(username);System.out.println("删除成功");}}/*** 查找一个用户*/public static void findByUsername(){System.out.println("请输入用户的学号：");String username=Tools.scanner.next();Student student= StudentManager.findByUserName(username);if(student==null){System.out.println("你输入的学号找不到");}else{System.out.println(student);}}/*** 查找所有的用户*/public static void find(){List<Student> list= StudentManager.find();for (Student student : list) {System.out.println(student);}}/*** 用户修改自己的密码*/public static void updatePwd() {Student student = StudentManager.findByUserName(((Student)DataBase.getRequest().get("login")).getUsername());if (student == null) {System.out.println("要修改的用户不存在");} else {System.out.println("用户的密码是：*****" );System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入用户的密码：");student.setPassword(Tools.scanner.next());}System.out.println("修改成功");}}/*** 修改用户的信息,这是所有的信息*/public static void update() {System.out.println("请输入用户的账户：");String username = Tools.scanner.next();Student student = StudentManager.findByUserName(username);if (student == null) {System.out.println("要修改的用户不存在");} else {System.out.println("用户的姓名是：" + student.getName());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入用户的姓名：");student.setName(Tools.scanner.next());}System.out.println("用户的密码是：*****" );System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入用户的密码：");student.setPassword(Tools.scanner.next());}System.out.println("用户的性别是：" + Tools.getSex(student.getSex()));System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请选择用户的性别：");System.out.println("0：女； 1：男； 2：不详");// 输入用户的性别，并进行数据的校验int sex = Math.abs(Tools.getInteger(Tools.scanner.next(), 2));student.setSex(sex > 2 ? 2 : sex);}System.out.println("用户的年龄是：" + student.getAge());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入用户的年龄：");student.setAge(Tools.getInteger(Tools.scanner.next(), 0));}System.out.println("用户的地址是：" + student.getAddress());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入用户的地址：");student.setAddress(Tools.scanner.next());}System.out.println("修改成功");}}}

import java.util.Date;import java.util.List;import data.DataBase;import pojo.ManagerPerson;import manager.ManagerPersonManager;import tools.Tools;/*** 管理员的交互界面*/public class ManagerPersonView {/*** 管理员登录*/public static boolean login() {System.out.println("请输入管理员的账户：");String username = Tools.scanner.next();System.out.println("请输入管理员的密码：");String password = Tools.scanner.next();// 判断是否登录成功，如果成功将登录管理员的信息存放到request login中if (ManagerPersonManager.login(username, password)) {if (((ManagerPerson) DataBase.getRequest().get("login")).getRank() == 0) {System.out.println("欢迎超级管理员");} else {System.out.println("欢迎管理员");}return true;} else {System.out.println("登录失败");return false;}}/*** 增加一个管理员*/public static void add() {if (((ManagerPerson) DataBase.getRequest().get("login")).getRank() == 0) {// 新建一个学生的对象ManagerPerson managerPerson = new ManagerPerson();// 添加创建管理员的时间managerPerson.setCreateDate(new Date());managerPerson.setRank(1);System.out.println("请输入管理员的账户：");managerPerson.setUsername(Tools.scanner.next());System.out.println("请输入管理员的密码：");managerPerson.setPassword(Tools.scanner.next());System.out.println("请输入管理员的姓名：");managerPerson.setName(Tools.scanner.next());System.out.println("请选择管理员的性别：");System.out.println("0：女； 1：男； 2：不详");// 输入管理员的性别，并进行数据的校验int sex = Math.abs(Tools.getInteger(Tools.scanner.next(), 2));managerPerson.setSex(sex > 2 ? 2 : sex);System.out.println("请输入管理员年龄：");managerPerson.setAge(Tools.getInteger(Tools.scanner.next(), 0));managerPerson.setCreateDate(new Date());// 添加管理员的时间System.out.println("请输入管理员的地址：");managerPerson.setAddress(Tools.scanner.next());if(ManagerPersonManager.add(managerPerson)){System.out.println("添加成功");}else{System.out.println("添加失败，用户可能已经存在");}}else{System.out.println("您的权限不足");}}/*** 删除一个管理员*/public static void del() {if (((ManagerPerson) DataBase.getRequest().get("login")).getRank() == 0) {System.out.println("请输入管理员的账户：");String username = Tools.scanner.next();ManagerPerson managerPerson = ManagerPersonManager.findByUserName(username);if (managerPerson == null) {System.out.println("删除的管理员不存在");} else {if(managerPerson.getRank()==1){ManagerPersonManager.del(username);System.out.println("删除成功");}else{System.out.println("删除失败，您的权限不足");}}} else {System.out.println("您的权限不足");}}/*** 查找一个管理员*/public static void findByUsername() {if (((ManagerPerson) DataBase.getRequest().get("login")).getRank() == 0) {System.out.println("请输入管理员的编号：");String username = Tools.scanner.next();ManagerPerson managerPerson = ManagerPersonManager.findByUserName(username);if (managerPerson == null) {System.out.println("你输入的编号找不到");} else {System.out.println(managerPerson);}} else {System.out.println("您的权限不足");}}/*** 查找所有的管理员*/public static void find() {if (((ManagerPerson) DataBase.getRequest().get("login")).getRank() == 0) {List<ManagerPerson> list = ManagerPersonManager.find();for (ManagerPerson managerPerson : list) {System.out.println(managerPerson);}} else {System.out.println("您的权限不足");}}/*** 修改本人的信息*/public static void updateMy() {ManagerPerson managerPerson = ((ManagerPerson) DataBase.getRequest().get("login"));if (managerPerson == null) {System.out.println("要修改的管理员不存在");} else {System.out.println("管理员的姓名是：" + managerPerson.getName());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入管理员的姓名：");managerPerson.setName(Tools.scanner.next());}System.out.println("管理员的密码是：*****");System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入管理员的密码：");managerPerson.setPassword(Tools.scanner.next());}System.out.println("管理员的性别是：" + Tools.getSex(managerPerson.getSex()));System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请选择管理员的性别：");System.out.println("0：女； 1：男； 2：不详");// 输入管理员的性别，并进行数据的校验int sex = Math.abs(Tools.getInteger(Tools.scanner.next(), 2));managerPerson.setSex(sex > 2 ? 2 : sex);}System.out.println("管理员的年龄是：" + managerPerson.getAge());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入管理员的年龄：");managerPerson.setAge(Tools.getInteger(Tools.scanner.next(), 0));}System.out.println("管理员的地址是：" + managerPerson.getAddress());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入管理员的地址：");managerPerson.setAddress(Tools.scanner.next());}System.out.println("修改成功");}}/*** 修改管理员的信息*/public static void update() {if (((ManagerPerson) DataBase.getRequest().get("login")).getRank() == 0) {System.out.println("请输入管理员的账户：");String username = Tools.scanner.next();ManagerPerson managerPerson = ManagerPersonManager.findByUserName(username);if (managerPerson == null) {System.out.println("要修改的管理员不存在");} else {System.out.println("管理员的姓名是：" + managerPerson.getName());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入管理员的姓名：");managerPerson.setName(Tools.scanner.next());}System.out.println("管理员的密码是：*****");System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入管理员的密码：");managerPerson.setPassword(Tools.scanner.next());}System.out.println("管理员的性别是：" + Tools.getSex(managerPerson.getSex()));System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请选择管理员的性别：");System.out.println("0：女； 1：男； 2：不详");// 输入管理员的性别，并进行数据的校验int sex = Math.abs(Tools.getInteger(Tools.scanner.next(), 2));managerPerson.setSex(sex > 2 ? 2 : sex);}System.out.println("管理员的年龄是：" + managerPerson.getAge());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入管理员的年龄：");managerPerson.setAge(Tools.getInteger(Tools.scanner.next(), 0));}System.out.println("管理员的地址是：" + managerPerson.getAddress());System.out.println("修改请选择1，不修改请选择2");if (Tools.getInteger(Tools.scanner.next(), 2) == 1) {System.out.println("请输入管理员的地址：");managerPerson.setAddress(Tools.scanner.next());}System.out.println("修改成功");}} else {System.out.println("您的权限不足");}}}