xiaomiMes/MainForm/ClassFile/FALibraryClass/SystemParameter.cs

using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading;
using StandardLibrary;

namespace StandardLibrary
{
    public enum User
    {
        NoLogin,    // 未登录
        Operator,   // 操作员
        Admin,      // 管理员
        SuperAdmin  // 超管
    }

    public class UserAccount
    {
        private string filePath = AppDomain.CurrentDomain.BaseDirectory + "SystemParameter.ini";
        
        private Dictionary<User, string> userPassword = new Dictionary<User, string>();

        private User _userPermission = User.NoLogin;

        public delegate void UserChangedHandler(User user);
        public  event UserChangedHandler UserChangedEvent;

        public UserAccount()
        {
            GetUserPassword();
        }

        public User UserPermission
        {
            get { return _userPermission; }
        }

        /// <summary>
        /// 获取用户密码
        /// </summary>
        private void GetUserPassword()
        {
            userPassword.Clear();
            userPassword.Add(User.Operator, IniFile.INIGetStringValue(filePath, "Password", "Operator", ""));
            userPassword.Add(User.Admin, IniFile.INIGetStringValue(filePath, "Password", "Admin", ""));
            userPassword.Add(User.SuperAdmin, IniFile.INIGetStringValue(filePath, "Password", "SuperAdmin", ""));
        }

        /// <summary>
        /// 保存用户密码
        /// </summary>
        private void SaveUserPassword()
        {
            IniFile.INIWriteValue(filePath, "Password", "Operator", userPassword[User.Operator]);
            IniFile.INIWriteValue(filePath, "Password", "Admin", userPassword[User.Admin]);
            IniFile.INIWriteValue(filePath, "Password", "SuperAdmin", userPassword[User.SuperAdmin]);
        }

        /// <summary>
        /// 用户登录
        /// </summary>
        /// <param name="user">用户</param>
        /// <param name="inputPassword">输入密码</param>
        /// <returns></returns>
        public bool UserLogin(User user, string inputPassword)
        {
            if (user == User.NoLogin) return false;
            if (userPassword[user] == inputPassword)
            {
                _userPermission = user;
                UserChangedEvent?.Invoke(_userPermission);
                return true;
            }
            else return false;
        }

        /// <summary>
        /// 用户登出
        /// </summary>
        public void UserLogout()
        {
            _userPermission = User.NoLogin;
            UserChangedEvent?.Invoke(_userPermission);
        }

        public void UserSet(User user)
        {
            _userPermission = user;
            UserChangedEvent?.Invoke(_userPermission);
        }

        /// <summary>
        /// 密码修改
        /// </summary>
        /// <param name="user">用户</param>
        /// <param name="oldpa">旧密码</param>
        /// <param name="newpa1">新密码</param>
        /// <param name="newpa2">新密码确认</param>
        /// <returns></returns>
        public bool UserChangePassword(User user, string oldpa, string newpa1, string newpa2)
        {
            if (user == User.NoLogin) return false;
            if (userPassword[user] == oldpa)
            {
                if (newpa1 == newpa2)
                {
                    userPassword[user] = newpa1;
                    _userPermission = User.NoLogin;
                    UserChangedEvent?.Invoke(_userPermission);
                    SaveUserPassword();
                    return true;
                }
                else return false;
            }
            else return false;
        }

        public User GetUserName(string userText)
        {
            User user = new User();
            switch (userText)
            {
                case "操作员":
                    user = User.Operator;
                    break;
                case "管理员":
                    user = User.Admin;
                    break;
                case "超级管理员":
                    user = User.SuperAdmin;
                    break;
                default:
                    user = User.NoLogin;
                    break;
            }
            return user;
        }
    }
}