java实现人员信息管理系统

java实现人员信息管理系统

本文实例为大家分享了java实现人员信息管理系统的具体代码，供大家参考，具体内容如下

实现增删改查.

java入门的练手小程序

1.Person类

package p1;

public class Person {

// Person属性

private int num;

private String name;

private String sex;

private int salary;

public Person(int num, String name, String sex, int salary) {

super();

this.num = num;

this.name = name;

this.sex = sex;

this.salary = salary;

}

// 对Perosn操作的方法

public int getNum() {

return num;

}

public void setNum(int num) {

this.num = num;

}

public String getName() {

return name;

}

public void setName(String name) {

this.name = name;

}

public String getSex() {

return sex;

}

public void setSex(String sex) {

this.sex = sex;

}

public int getSalary() {

return salary;

}

public void setSalary(int salary) {

this.salary = salary;

}

}

2.SysMenu类

package p1;

public class SysMenu {

public static final String[] MENU = { "1.员工信息管理", "2.退出" };

public static final String[] OPERATION_MENU = { "1.新增", "2.查看", "3.修改", "4.删除", "5.返回" };

public static void showMenu(String[] Menu) {

for (int i = 0; i < Menu.length; i++)

System.out.print(Menu[i] + "\t\t");

System.out.println();

System.out.println("---------------------------------------");

}

}

3.SysInfo类

package p1;

import java.util.ArrayList;

import java.util.List;

public class SysInfo {

private static List informationList = new ArrayList();

// 获取 informationList

public static List getList() {

return informationList;

}

}

4.InformationService类

package p1;

import java.util.List;

public class InformationService {

private List informationList = SysInfo.getList();

// 获取信息列表

public List getList() {

return informationList;

}

// 按编号查找信息

public Person getPersonByNum(final int num) {

if (num < 1) {

System.out.println("编号错误");

return null;

}

for (int i = 0; i < informationList.size(); i++) {

Person p = (Person) informationList.get(i);

if (p.getNum() == num) {

System.out.println("查找成功");

return p;

}

}

System.out.println("查找失败");

return null;

}

//查看单一Person信息

public void showAPerson(Person p)

{

System.out.println("编号\t\t姓名\t\t性别\t\t薪水");

System.out.println(p.getNum()+ "\t\t" + p.getName() + "\t\t" + p.getSex() + "\t\t" + p.getSalary());

}

//show all Person

public void showPerson() {

System.out.println("编号\t\t姓名\t\t性别\t\t薪水");

List ps = getList();

for (int i = 0; i < ps.size(); i++) {

Person p = (Person) ps.get(i);

System.out.println(p.getNum() + "\t\t" + p.getName() + "\t\t" + p.getSex() + "\t\t" + p.getSalary());

}

}

// 按名字查找信息

public Person getPersonByName(final String name) {

if (name == null)

return null;

for (int i = 0; i < informationList.size(); i++) {

Person p = (Person) informationList.get(i);

if (p.getName().equals(name)) {

return p;

}

}

return null;

}

//检查对象是否存在

public boolean CheckExitByNum(int num)

{

for(int i=0;i

{

Person p = (Person)informationList.get(i);

if(p.getNum()==num)

return true;

}

return false;

}

//save Person

public void savePerson(Person p)

{

p.setNum(getPersonMaxInt()+1);

informationList.add(p);

}

// 查找最大编号

public int getPersonMaxInt()

{

int max = 0;

for(int i =0;i

{

Person p =(Person)informationList.get(i);

if(max < p.getNum())

max = p.getNum();

}

return max;

}

}

5.SysRun类

package p1;

import java.util.InputMismatchException;

import java.util.List;

import java.util.Scanner;

public class SysRun {

private List informationList = SysInfo.getList();

private Scanner s = new Scanner(System.in);

private InformationService is = new InformationService();

// 系统运行类

public static void main(String[] args) {

SysRun sys = new SysRun();

sys.sysRun();

}

public void sysRun() {

System.out.println("启动系统管理系统");

boolean isExit = false;

do {

System.out.println("----------操作选项-------------");

SysMenu.showMenu(SysMenu.MENU);

// 获取用户输入

int operNum = getCorrONum(SysMenu.MENU);

// 管理操作

isExit = doManageNum(operNum);

} while (!isExit);

System.out.println("系统退出.");

}

private boolean doManageNum(int operNum) {

boolean isExit = false;

switch (operNum) {

case 1:

is.showPerson();

System.out.println("----------操作选项-------------");

SysMenu.showMenu(SysMenu.OPERATION_MENU);

// addPerson();//test

System.out.println("输入功能选择：");

int num = getVaildInt();

doOperationNum(num);

break;

case 2:

isExit = true;

return isExit;

}

return isExit;

}

// doOperationNum

private void doOperationNum(int OperationNum) {

// 增，查，修，删，返回

switch (OperationNum) {

case 1:

// add

addPerson();

is.showPerson();

break;

case 2:

// 查看

viewPerson();

break;

case 3:

updatePerson();

break;

case 4:

deletePerson();

is.showPerson();

break;

case 5:

break;

}

}

// 删除Person

private void deletePerson() {

int num;

// Person p;

boolean isOk = false;

System.out.println("请输入要删除信息的编号：");

do {

num = getVaildInt();

isOk = is.CheckExitByNum(num);

if (isOk == true) {

System.out.println("编号信息查找成功。");

informationList.remove(is.getPersonByNum(num));

} else

System.out.println("输入编号有误，请重新输入：");

} while (!isOk);

}

// 修改Person

public void updatePerson() {

System.out.println("请输入要修改的信息编号：");

boolean isOk = false;

Person p;

do {

int num = getVaildInt();

isOk = is.CheckExitByNum(num);

if (isOk == true) {

isOk = true;

p = is.getPersonByNum(num);

is.showAPerson(p);

System.out.println("请输入名字：");

String name = s.next();

System.out.println("请输入性别：");

String sex = getVaildSex();

System.out.println("请输入工资：");

int salary = getVaildInt();

p.setName(name);

p.setSex(sex);

p.setSalary(salary);

is.showPerson();

} else

System.out.println("输入要修改的编号有误，请重新输入：");

} while (!isOk);

}

// 查看viewPerson()

private void viewPerson() {

System.out.println("请输入要查看的人的信息编号：");

Person p;

boolean isOk = false;

do {

int num = getVaildInt();

boolean NumIsOk = is.CheckExitByNum(num);

if (NumIsOk == true) {

p = is.getPersonByNum(num);

is.showAPerson(p);

isOk = true;

} else {

System.out.println("无此编号的人的信息,请重新输入：");

}

} while (!isOk);

}

// addPerson()

private void addPerson() {

System.out.println("----yZMjRfPcEv--------新增对象---------------");

boolean isOk = false;

String name = null;

do {

System.out.println("请输入名称(且不能与现有的对象重名)");

name = s.next();

// 处理同名冲突

if (is.getPersonByName(name) == null) {

isOk = true;

} else {

System.out.println("该人信息已存在，请重新输入！");

s.next();

}

} while (!isOk);

// other information

System.out.println("请输入其他信息...");

System.out.println("sex:");

String sex = getVaildSex();

System.out.println("salary:");

int salary = getVaildInt();

// save

is.savePerson(new Person(0, name, sex, salary));

}

/* 输入有效int */

private int getVaildInt() {

int num = 0;

boolean isOk = false;

do {

try {

num = s.nextInt();

isOk = true;

} catch (InputMismatchException e) {

System.out.println("输入错误，请重新输入");

s.next();

}

} while (!isOk);

return num;

}

/* 输入有效sex信息 */

private String getVaildSex() {

String sex = null;

boolean isOk = false;

do {

sex = s.next();

if (sex.equals("f") || sex.equals("m"))

isOk = true;

else {

System.out.println("sex输入让 有误，请重新输入");

}

} while (!isOk);

return sex;

}

public int getCorrONum(String[] targetMenu) {

System.out.println("请输入要选择的操作：");

int inputNum = 0;

boolean inputIsOk = false;

do {

try {

inputNum = s.nextInt();

System.out.println("输入的是" + inputNum);

if (inputNum >= 1 && inputNum <= targetMenu.length) {

inputIsOk = true;

} else {

System.out.println("输入错误，请重新输入！yZMjRfPcEv");

}

} catch (InputMismatchException e) {

System.out.println("输入有误，请重新输入");

// 若输入出现异常，Scanner要丢弃上一次的输入，否则 do-while会出现死循环

s.next();

}

} while (!inputIsOk);

return inputNum;

}

}

效果图：

{

Person p = (Person)informationList.get(i);

if(p.getNum()==num)

return true;

}

return false;

}

//save Person

public void savePerson(Person p)

{

p.setNum(getPersonMaxInt()+1);

informationList.add(p);

}

// 查找最大编号

public int getPersonMaxInt()

{

int max = 0;

for(int i =0;i

{

Person p =(Person)informationList.get(i);

if(max < p.getNum())

max = p.getNum();

}

return max;

}

}

5.SysRun类

package p1;

import java.util.InputMismatchException;

import java.util.List;

import java.util.Scanner;

public class SysRun {

private List informationList = SysInfo.getList();

private Scanner s = new Scanner(System.in);

private InformationService is = new InformationService();

// 系统运行类

public static void main(String[] args) {

SysRun sys = new SysRun();

sys.sysRun();

}

public void sysRun() {

System.out.println("启动系统管理系统");

boolean isExit = false;

do {

System.out.println("----------操作选项-------------");

SysMenu.showMenu(SysMenu.MENU);

// 获取用户输入

int operNum = getCorrONum(SysMenu.MENU);

// 管理操作

isExit = doManageNum(operNum);

} while (!isExit);

System.out.println("系统退出.");

}

private boolean doManageNum(int operNum) {

boolean isExit = false;

switch (operNum) {

case 1:

is.showPerson();

System.out.println("----------操作选项-------------");

SysMenu.showMenu(SysMenu.OPERATION_MENU);

// addPerson();//test

System.out.println("输入功能选择：");

int num = getVaildInt();

doOperationNum(num);

break;

case 2:

isExit = true;

return isExit;

}

return isExit;

}

// doOperationNum

private void doOperationNum(int OperationNum) {

// 增，查，修，删，返回

switch (OperationNum) {

case 1:

// add

addPerson();

is.showPerson();

break;

case 2:

// 查看

viewPerson();

break;

case 3:

updatePerson();

break;

case 4:

deletePerson();

is.showPerson();

break;

case 5:

break;

}

}

// 删除Person

private void deletePerson() {

int num;

// Person p;

boolean isOk = false;

System.out.println("请输入要删除信息的编号：");

do {

num = getVaildInt();

isOk = is.CheckExitByNum(num);

if (isOk == true) {

System.out.println("编号信息查找成功。");

informationList.remove(is.getPersonByNum(num));

} else

System.out.println("输入编号有误，请重新输入：");

} while (!isOk);

}

// 修改Person

public void updatePerson() {

System.out.println("请输入要修改的信息编号：");

boolean isOk = false;

Person p;

do {

int num = getVaildInt();

isOk = is.CheckExitByNum(num);

if (isOk == true) {

isOk = true;

p = is.getPersonByNum(num);

is.showAPerson(p);

System.out.println("请输入名字：");

String name = s.next();

System.out.println("请输入性别：");

String sex = getVaildSex();

System.out.println("请输入工资：");

int salary = getVaildInt();

p.setName(name);

p.setSex(sex);

p.setSalary(salary);

is.showPerson();

} else

System.out.println("输入要修改的编号有误，请重新输入：");

} while (!isOk);

}

// 查看viewPerson()

private void viewPerson() {

System.out.println("请输入要查看的人的信息编号：");

Person p;

boolean isOk = false;

do {

int num = getVaildInt();

boolean NumIsOk = is.CheckExitByNum(num);

if (NumIsOk == true) {

p = is.getPersonByNum(num);

is.showAPerson(p);

isOk = true;

} else {

System.out.println("无此编号的人的信息,请重新输入：");

}

} while (!isOk);

}

// addPerson()

private void addPerson() {

System.out.println("----yZMjRfPcEv--------新增对象---------------");

boolean isOk = false;

String name = null;

do {

System.out.println("请输入名称(且不能与现有的对象重名)");

name = s.next();

// 处理同名冲突

if (is.getPersonByName(name) == null) {

isOk = true;

} else {

System.out.println("该人信息已存在，请重新输入！");

s.next();

}

} while (!isOk);

// other information

System.out.println("请输入其他信息...");

System.out.println("sex:");

String sex = getVaildSex();

System.out.println("salary:");

int salary = getVaildInt();

// save

is.savePerson(new Person(0, name, sex, salary));

}

/* 输入有效int */

private int getVaildInt() {

int num = 0;

boolean isOk = false;

do {

try {

num = s.nextInt();

isOk = true;

} catch (InputMismatchException e) {

System.out.println("输入错误，请重新输入");

s.next();

}

} while (!isOk);

return num;

}

/* 输入有效sex信息 */

private String getVaildSex() {

String sex = null;

boolean isOk = false;

do {

sex = s.next();

if (sex.equals("f") || sex.equals("m"))

isOk = true;

else {

System.out.println("sex输入让 有误，请重新输入");

}

} while (!isOk);

return sex;

}

public int getCorrONum(String[] targetMenu) {

System.out.println("请输入要选择的操作：");

int inputNum = 0;

boolean inputIsOk = false;

do {

try {

inputNum = s.nextInt();

System.out.println("输入的是" + inputNum);

if (inputNum >= 1 && inputNum <= targetMenu.length) {

inputIsOk = true;

} else {

System.out.println("输入错误，请重新输入！yZMjRfPcEv");

}

} catch (InputMismatchException e) {

System.out.println("输入有误，请重新输入");

// 若输入出现异常，Scanner要丢弃上一次的输入，否则 do-while会出现死循环

s.next();

}

} while (!inputIsOk);

return inputNum;

}

}

效果图：

{

Person p =(Person)informationList.get(i);

if(max < p.getNum())

max = p.getNum();

}

return max;

}

}

5.SysRun类

package p1;

import java.util.InputMismatchException;

import java.util.List;

import java.util.Scanner;

public class SysRun {

private List informationList = SysInfo.getList();

private Scanner s = new Scanner(System.in);

private InformationService is = new InformationService();

// 系统运行类

public static void main(String[] args) {

SysRun sys = new SysRun();

sys.sysRun();

}

public void sysRun() {

System.out.println("启动系统管理系统");

boolean isExit = false;

do {

System.out.println("----------操作选项-------------");

SysMenu.showMenu(SysMenu.MENU);

// 获取用户输入

int operNum = getCorrONum(SysMenu.MENU);

// 管理操作

isExit = doManageNum(operNum);

} while (!isExit);

System.out.println("系统退出.");

}

private boolean doManageNum(int operNum) {

boolean isExit = false;

switch (operNum) {

case 1:

is.showPerson();

System.out.println("----------操作选项-------------");

SysMenu.showMenu(SysMenu.OPERATION_MENU);

// addPerson();//test

System.out.println("输入功能选择：");

int num = getVaildInt();

doOperationNum(num);

break;

case 2:

isExit = true;

return isExit;

}

return isExit;

}

// doOperationNum

private void doOperationNum(int OperationNum) {

// 增，查，修，删，返回

switch (OperationNum) {

case 1:

// add

addPerson();

is.showPerson();

break;

case 2:

// 查看

viewPerson();

break;

case 3:

updatePerson();

break;

case 4:

deletePerson();

is.showPerson();

break;

case 5:

break;

}

}

// 删除Person

private void deletePerson() {

int num;

// Person p;

boolean isOk = false;

System.out.println("请输入要删除信息的编号：");

do {

num = getVaildInt();

isOk = is.CheckExitByNum(num);

if (isOk == true) {

System.out.println("编号信息查找成功。");

informationList.remove(is.getPersonByNum(num));

} else

System.out.println("输入编号有误，请重新输入：");

} while (!isOk);

}

// 修改Person

public void updatePerson() {

System.out.println("请输入要修改的信息编号：");

boolean isOk = false;

Person p;

do {

int num = getVaildInt();

isOk = is.CheckExitByNum(num);

if (isOk == true) {

isOk = true;

p = is.getPersonByNum(num);

is.showAPerson(p);

System.out.println("请输入名字：");

String name = s.next();

System.out.println("请输入性别：");

String sex = getVaildSex();

System.out.println("请输入工资：");

int salary = getVaildInt();

p.setName(name);

p.setSex(sex);

p.setSalary(salary);

is.showPerson();

} else

System.out.println("输入要修改的编号有误，请重新输入：");

} while (!isOk);

}

// 查看viewPerson()

private void viewPerson() {

System.out.println("请输入要查看的人的信息编号：");

Person p;

boolean isOk = false;

do {

int num = getVaildInt();

boolean NumIsOk = is.CheckExitByNum(num);

if (NumIsOk == true) {

p = is.getPersonByNum(num);

is.showAPerson(p);

isOk = true;

} else {

System.out.println("无此编号的人的信息,请重新输入：");

}

} while (!isOk);

}

// addPerson()

private void addPerson() {

System.out.println("----yZMjRfPcEv--------新增对象---------------");

boolean isOk = false;

String name = null;

do {

System.out.println("请输入名称(且不能与现有的对象重名)");

name = s.next();

// 处理同名冲突

if (is.getPersonByName(name) == null) {

isOk = true;

} else {

System.out.println("该人信息已存在，请重新输入！");

s.next();

}

} while (!isOk);

// other information

System.out.println("请输入其他信息...");

System.out.println("sex:");

String sex = getVaildSex();

System.out.println("salary:");

int salary = getVaildInt();

// save

is.savePerson(new Person(0, name, sex, salary));

}

/* 输入有效int */

private int getVaildInt() {

int num = 0;

boolean isOk = false;

do {

try {

num = s.nextInt();

isOk = true;

} catch (InputMismatchException e) {

System.out.println("输入错误，请重新输入");

s.next();

}

} while (!isOk);

return num;

}

/* 输入有效sex信息 */

private String getVaildSex() {

String sex = null;

boolean isOk = false;

do {

sex = s.next();

if (sex.equals("f") || sex.equals("m"))

isOk = true;

else {

System.out.println("sex输入让 有误，请重新输入");

}

} while (!isOk);

return sex;

}

public int getCorrONum(String[] targetMenu) {

System.out.println("请输入要选择的操作：");

int inputNum = 0;

boolean inputIsOk = false;

do {

try {

inputNum = s.nextInt();

System.out.println("输入的是" + inputNum);

if (inputNum >= 1 && inputNum <= targetMenu.length) {

inputIsOk = true;

} else {

System.out.println("输入错误，请重新输入！yZMjRfPcEv");

}

} catch (InputMismatchException e) {

System.out.println("输入有误，请重新输入");

// 若输入出现异常，Scanner要丢弃上一次的输入，否则 do-while会出现死循环

s.next();

}

} while (!inputIsOk);

return inputNum;

}

}

效果图：

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