宠物管理系统：Service层

吴旭华 · 2024-12-24 14:58:53

LoginService

package com.wzb.service;
import com.wzb.bean.User;
public interface LoginService {
User login();
boolean register();
}

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LoginServiceImpl

package com.wzb.service.impl;
import com.wzb.bean.User;
import com.wzb.dao.UserDao;
import com.wzb.dao.impl.UserDaoImpl;
import com.wzb.service.LoginService;
import com.wzb.utils.captcha.CaptchaUtils;
import com.wzb.utils.md5.MD5Util;
import java.util.ArrayList;
import java.util.Scanner;
public class LoginServiceImpl implements LoginService {
private final Scanner sc = new Scanner(System.in);
private final UserDao userDao = new UserDaoImpl();
@Override
public User login() {
ArrayList<User> userList = userDao.getAllUser();
if (userList.isEmpty()) {
System.out.println("user is not exist");
return null;
}
System.out.println("Welcome login!");
System.out.println("please input username");
String username = sc.nextLine();
for (User user : userList) {
if (user.getUsername().equals(username)) {
System.out.println("please input password");
String password = sc.nextLine();
String realPassword = MD5Util.md5(password);
if (realPassword.equals(user.getPassword())) {
String captcha = CaptchaUtils.generateCode(6);
System.out.println("captcha is: " + captcha);
System.out.println("please input captcha: ");
String s = sc.nextLine();
if (s.equalsIgnoreCase(captcha)) {
System.out.println("login successfully");
return user;
} else {
System.out.println("error captcha");
return null;
}
} else {
System.out.println("error password");
return null;
}
}
}
System.out.println("username not found");
return null;
}
public boolean register() {
System.out.println("Welcome to register");
//TODO 日后需要检查用户名和密码的合法性
System.out.println("please input your username");
String username = sc.nextLine();
System.out.println("please input your password");
String password = sc.nextLine();
String realPassword = MD5Util.md5(password);
System.out.println("please input your phoneNumber");
String phoneNumber = sc.nextLine();
User user = new User(userDao.getNextId(), username, realPassword, phoneNumber);
userDao.insert(user);
return true;
}
}

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UserService

package com.wzb.service;
import com.wzb.bean.User;
/**
* 用户服务
*/
public interface UserService {
User userLogin();
boolean userRegister();
void showUser(User user);
boolean reCharge(User user);
boolean changePassword(User user);
boolean changeAddress(User user);
boolean deleteMyself(User user);
}

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UserServiceImpl

package com.wzb.service.impl;
import com.wzb.bean.Pet;
import com.wzb.bean.User;
import com.wzb.dao.UserDao;
import com.wzb.dao.impl.UserDaoImpl;
import com.wzb.service.LoginService;
import com.wzb.service.PetService;
import com.wzb.service.UserService;
import com.wzb.utils.captcha.CaptchaUtils;
import com.wzb.utils.md5.MD5Util;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Scanner;
public class UserServiceImpl implements UserService {
private final LoginService login = new LoginServiceImpl();
private final PetService petService = new PetServiceImpl();
private final UserDao userDao = new UserDaoImpl();
private final Scanner sc = new Scanner(System.in);
@Override
public User userLogin() {
return login.login();
}
@Override
public boolean userRegister() {
return login.register();
}
@Override
public void showUser(User user) {
System.out.println("当前登录用户信息为：");
System.out.println("用户名：" + user.getUsername());
System.out.println("账户余额为：" + user.getMoney());
System.out.println("地址为：" + user.getAddress());
ArrayList<Pet> petList = new ArrayList<>();
ArrayList<Integer> petIdList = user.getPetList();
for (Integer id : petIdList) {
petList.add(petService.getById(id));
}
System.out.println("该用户的宠物有：" + petList);
System.out.println("该用户的订单有：" + user.getOrderList());
System.out.println();
}
@Override
public boolean reCharge(User user) {
System.out.println(user.getUsername() + "的账户余额是" + user.getMoney());
System.out.println("请输入想要充值的金额-->");
int money = Integer.parseInt(sc.nextLine());
user.addMoney(money);
System.out.println("充值成功");
user.setUpdateTime(LocalDateTime.now());
System.out.println(user.getUsername() + "的账户余额是" + user.getMoney());
userDao.saveUpdatedUserById(user); // 更新后立刻保存
return true;
}
@Override
public boolean changePassword(User user) {
System.out.println("修改密码，若非本人操作，请立即冻结账号");
System.out.println("请输入手机号码");
String phoneNumber = sc.nextLine();
if (phoneNumber.equals(user.getPhoneNumber())) {
String captcha = CaptchaUtils.generateCode(6);
System.out.println("验证码是：" + captcha);
System.out.println("请输入验证码");
String s = sc.nextLine();
if (s.equalsIgnoreCase(captcha)) {
System.out.println("请输入新密码");
String password = sc.nextLine();
System.out.println("请确认密码");
String p = sc.nextLine();
if (p.equals(password)) {
String realPassword = MD5Util.md5(password);
user.setPassword(realPassword);
user.setUpdateTime(LocalDateTime.now());
userDao.saveUpdatedUserById(user); // 更新后立刻保存
return true;
} else {
System.out.println("两次密码不一致，修改失败");
return false;
}
} else {
System.out.println("验证码不一致，修改密码失败");
return false;
}
} else {
System.out.println("电话不匹配，修改密码失败");
return false;
}
}
@Override
public boolean changeAddress(User user) {
System.out.println("请输入用户的地址");
String address = sc.nextLine();
user.setAddress(address);
user.setUpdateTime(LocalDateTime.now());
System.out.println("用户" + user.getUsername() + "的地址是" + user.getAddress());
userDao.saveUpdatedUserById(user); // 更新后立刻保存
return true;
}
@Override
public boolean deleteMyself(User user) {
System.out.println("你确定要注销本账户吗？");
System.out.println("该操作无法复原!");
System.out.println("请输入“我想注销 + 用户名”继续");
String answer = "我想注销" + user.getUsername();
String input = sc.nextLine();
if (answer.equals(input)) {
userDao.deleteUserById(user.getId()); // 删除后立刻保存
return true;
} else {
return false;
}
}
}

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宠物管理系统：Service层

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