relentless/User.java

/**
 * 用户类，包含登录验证和角色管理。
 */
public class User {
    private String username;
    private String password;
    private String role;

    // 构造方法
    public User(String username, String password, String role) {
        this.username = username;
        this.password = password;
        this.role = role;
    }

    /**
     * 登录验证
     * @param username 用户名
     * @param password 密码
     * @return 返回用户对象或null
     */
    public static User login(String username, String password) {
        String[][] users = {
                {"张三1", "123", "小学"}, {"张三2", "123", "小学"}, {"张三3", "123", "小学"},
                {"李四1", "123", "初中"}, {"李四2", "123", "初中"}, {"李四3", "123", "初中"},
                {"王五1", "123", "高中"}, {"王五2", "123", "高中"}, {"王五3", "123", "高中"}
        };

        for (String[] user : users) {
            if (user[0].equals(username) && user[1].equals(password)) {
                return new User(username, password, user[2]);
            }
        }
        return null;
    }

    /**
     * 获取用户角色
     * @return 用户角色
     */
    public String getRole() {
        return this.role;
    }

    /**
     * 获取用户名
     * @return 用户名
     */
    public String getUsername() {
        return this.username;
    }
}