使用数组进行注册和登录

谁借莪１个温暖的怀抱￠ 2024-03-30 14:44 44阅读 0赞

### 标题说明： ###

因为使用的是数组，不像使用数据库那样，所以使用的数组要使用其全局变量。注册和登录逻辑都使用方法实现。

### 目录： ###

*  创建实体类

*  创建逻辑实现类

*  创建测试方法

### 创建实体类： ###

public class Account {
        private String accountId;
        private String accountName;
        private String accountRealName;
        private String accountPwd;
        private String accountPhone;
        private String accountBirthday;
    
        
        public String getAccountId() {
            return accountId;
        }
    
        public void setAccountId(String accountId) {
            this.accountId = accountId;
        }
    
        public String getAccountName() {
            return accountName;
        }
    
        public void setAccountName(String accountName) {
            this.accountName = accountName;
        }
    
        public String getAccountRealName() {
            return accountRealName;
        }
    
        public void setAccountRealName(String accountRealName) {
            this.accountRealName = accountRealName;
        }
    
        public String getAccountPwd() {
            return accountPwd;
        }
    
        public void setAccountPwd(String accountPwd) {
            this.accountPwd = accountPwd;
        }
    
        public String getAccountPhone() {
            return accountPhone;
        }
    
        public void setAccountPhone(String accountPhone) {
            this.accountPhone = accountPhone;
        }
    
    
    
        public String getAccountBirthday() {
            return accountBirthday;
        }
    
        public void setAccountBirthday(String accountBirthday) {
            this.accountBirthday = accountBirthday;
        }
    
        public Account() {
            super();
        }
    
        public Account(String accountName, String accountPwd) {
            super();
            this.accountName = accountName;
            this.accountPwd = accountPwd;
        }
    
        
        public Account(String accountId, String accountName, String accountRealName, String accountPwd, String accountPhone,
                String accountBirthday) {
            super();
            this.accountId = accountId;
            this.accountName = accountName;
            this.accountRealName = accountRealName;
            this.accountPwd = accountPwd;
            this.accountPhone = accountPhone;
            this.accountBirthday = accountBirthday;
        }
    
        public Account(String accountName, String accountPwd, String accountPhone) {
            super();
            this.accountName = accountName;
            this.accountPwd = accountPwd;
            this.accountPhone = accountPhone;
        }

### 创建逻辑实现类 ###

#### 创建全局作用域 存放Student类型的数组 ####

public static Account[] accounts = new Account[25];

#### 为Student数组添加初始数据 ####

static {
            accounts[0] = new Account("001","admin","管理员", "123","123555",new Date().toString());
            accounts[1] = new Account("002","xiaoming","小红", "123456","123555",new Date().toString());
            accounts[2] = new Account("003","xiaoming","小明", "456","123555",new Date().toString());
    
        }

#### 注册逻辑实现 ####

//注册
        public boolean register(Account account) {
            //判断哪个数组位置是空，如果为空，然后存储该对象
            for (Integer i = 0; i < accounts.length; i++) {
                //找到数组元素是空的
                if(accounts[i] == null) {
                    //对空的位置赋值
                    accounts[i] = account;
                    //1. 注册的元素没有对id进行赋值,需要系统自行赋值
                    accounts[i].setAccountId("00"+((Integer)(i+1)).toString());
                    return true;
                }
                //检查用户名是否存在
                if(accounts[i].getAccountName().equals(account.getAccountName())) {
                    System.out.println("账户已经存在，不能注册");
                    return false;
                }
            }
            return false;
        }

#### 登录逻辑实现 ####

//登录
        public boolean login(Account account) {
            for (int i = 0; i < accounts.length; i++) {
                if (accounts[i] != null && account.getAccountName().equals(accounts[i].getAccountName()) && account.getAccountPwd().equals(accounts[i].getAccountPwd())) {
                    return true;
                }
            }
            return false;
        }

#### 验证码逻辑实现 ####

//验证码
        public char[] checkCode() {
            char[] code = new char[4];
            int j = 0;
            while(j < 4) {
                int rand = (int) (Math.random()*58+65);
                    while(true) {
                        if (rand >= 91 && rand <= 96) {
                            rand = (int)(Math.random()*58+65);    
                        }
                        break;
                    }
                    code[j] += (char)rand;
              j++;
            }
            return code;
            
        }

#### AccountDAO总体代码 ####

public class AccountDao {
        //成员变量   属性：private修饰，提供set、get方法
        public static Account[] accounts = new Account[25];
        int length = accounts.length;
        
        static {
            accounts[0] = new Account("001","admin","管理员", "123","123555",new Date().toString());
            accounts[1] = new Account("002","xiaoming","小红", "123456","123555",new Date().toString());
            accounts[2] = new Account("003","xiaoming","小明", "456","123555",new Date().toString());
    
        }
        //注册
        public boolean register(Account account) {
            //判断哪个数组位置是空，如果为空，然后存储该对象
            for (Integer i = 0; i < accounts.length; i++) {
                //找到数组元素是空的
                if(accounts[i] == null) {
                    //对空的位置赋值
                    accounts[i] = account;
                    //1. 注册的元素没有对id进行赋值,需要系统自行赋值
                    accounts[i].setAccountId("00"+((Integer)(i+1)).toString());
                    return true;
                }
                //检查用户名是否存在
                if(accounts[i].getAccountName().equals(account.getAccountName())) {
                    System.out.println("账户已经存在，不能注册");
                    return false;
                }
            }
            return false;
        }
        
        //登录
        public boolean login(Account account) {
            for (int i = 0; i < accounts.length; i++) {
                if (accounts[i] != null && account.getAccountName().equals(accounts[i].getAccountName()) && account.getAccountPwd().equals(accounts[i].getAccountPwd())) {
                    return true;
                }
            }
            return false;
        }
        
        //验证码
        public char[] checkCode() {
            char[] code = new char[4];
            int j = 0;
            while(j < 4) {
                int rand = (int) (Math.random()*58+65);
                    while(true) {
                        if (rand >= 91 && rand <= 96) {
                            rand = (int)(Math.random()*58+65);    
                        }
                        break;
                    }
                    code[j] += (char)rand;
              j++;
            }
            return code;
            
        }
    }

### 创建测试类 ###

#### 注册操作测试 ####

Scanner sc = new Scanner(System.in);
            AccountDao accountDao = new AccountDao();
            //注册操作
            System.out.println("请输入用户名 真实姓名  密码  电话  生日 ");
            Account account = new Account(null,sc.next(),sc.next(),sc.next(),sc.next(),sc.next());
            System.out.println(accountDao.register(account)?"注册成功":"注册失败");
            System.out.println(account);

#### 登录操作测试 ####

###### 验证码功能测试 ######

//登录操作
            //添加验证码功能,在登录之前输入验证码,并比较,如果验证码正确才比较用户名和密码
            //验证码
            System.out.println("验证码：");
            char[] codes = accountDao.checkCode();
            for (int i = 0; i < codes.length; i++) {
                System.out.print((char)codes[i]);
            }
            System.out.println();
            while(true) {
                System.out.println("请输入验证码：");
                String code = sc.next();
                String checkCodes = String.valueOf(codes);
                    if(code.equals(checkCodes)) {
                        System.out.println("验证码正确，进行登录操作");
                        break;
                    }else {
                        System.out.println("错误,请重新输入");
                    }
            }

###### 登录操作测试 ######

//登录
            System.out.println("请输入用户名");
            String name = sc.next();
            System.out.println("请输入密码");
            String pwd = sc.next();
            
            Account accountLogin = new Account();
            accountLogin.setAccountName(name);
            accountLogin.setAccountPwd(pwd);
            boolean result = accountDao.login(accountLogin);
            if (result) {
                System.out.println("登录成功");
            }else {
                System.out.println("登录失败");
            }

#### 总体测试方法： ####

public class AccountDaoTest {
    
    
        public static void main(String[] args) {
            Scanner sc = new Scanner(System.in);
            AccountDao accountDao = new AccountDao();
            //注册操作
            System.out.println("请输入用户名 真实姓名  密码  电话  生日 ");
            Account account = new Account(null,sc.next(),sc.next(),sc.next(),sc.next(),sc.next());
            System.out.println(accountDao.register(account)?"注册成功":"注册失败");
            System.out.println(account);
    //        
            //登录操作
            //添加验证码功能,在登录之前输入验证码,并比较,如果验证码正确才比较用户名和密码
            //验证码
            System.out.println("验证码：");
            char[] codes = accountDao.checkCode();
            for (int i = 0; i < codes.length; i++) {
                System.out.print((char)codes[i]);
            }
            System.out.println();
            while(true) {
                System.out.println("请输入验证码：");
                String code = sc.next();
                String checkCodes = String.valueOf(codes);
                    if(code.equals(checkCodes)) {
                        System.out.println("验证码正确，进行登录操作");
                        break;
                    }else {
                        System.out.println("错误,请重新输入");
                    }
            }
            //登录
            System.out.println("请输入用户名");
            String name = sc.next();
            System.out.println("请输入密码");
            String pwd = sc.next();
            
            Account accountLogin = new Account();
            accountLogin.setAccountName(name);
            accountLogin.setAccountPwd(pwd);
            boolean result = accountDao.login(accountLogin);
            if (result) {
                System.out.println("登录成功");
            }else {
                System.out.println("登录失败");
            }
        }