290 lines
9.5 KiB
C#
290 lines
9.5 KiB
C#
using System;
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using System.Collections.Generic;
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using System.Linq;
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using System.Text;
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using System.IO;
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using Newtonsoft.Json.Linq;
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namespace CommonLibrary
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{
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/// <summary>
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/// 服务器的账户管理类，如果你采用这种方式存储，必须仔细阅读说明手册
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/// </summary>
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/// <typeparam name="T">账户类，该类必须派生自UserAccount类</typeparam>
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public class ServerAccounts<T> where T : UserAccount, new()
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{
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/// <summary>
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/// 初始化构造方法
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/// </summary>
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public ServerAccounts()
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{
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}
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/// <summary>
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/// 初始化构造方法，将添加几个初始化账户
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/// </summary>
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public ServerAccounts(IEnumerable<T> accounts)
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{
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all_list_accounts.AddRange(accounts);
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}
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/// <summary>
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/// 所有的帳戶信息存儲的位置，只有設置了才進行保存
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/// </summary>
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public string FileSavePath { get; set; } = "";
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private List<T> all_list_accounts = new List<T>();
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private object lock_list_accounts = new object();
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/// <summary>
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/// 更新指定账户的密码
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/// </summary>
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/// <param name="name"></param>
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/// <param name="password"></param>
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public void UpdatePassword(string name, string password)
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{
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lock (lock_list_accounts)
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{
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for (int i = 0; i < all_list_accounts.Count; i++)
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{
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if (name == all_list_accounts[i].UserName)
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{
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all_list_accounts[i].Password = password;
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break;
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}
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}
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}
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}
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/// <summary>
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/// 筛选特定的账户信息
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/// </summary>
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/// <param name="selector"></param>
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/// <returns></returns>
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public List<T> WhereAccounts(Func<T, bool> selector)
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{
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return all_list_accounts.Where(selector).ToList();
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}
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/// <summary>
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/// 将所有账户信息转换成另一种元素，并返回列表
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/// </summary>
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/// <typeparam name="TResult">目标类型</typeparam>
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/// <param name="converter">转换方法</param>
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/// <returns>转换后的结果列表</returns>
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public List<TResult> ConvertAll<TResult>(Converter<T, TResult> converter)
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{
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return all_list_accounts.ConvertAll(converter);
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}
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/// <summary>
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/// 检查账户信息，并返回账户对象
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/// </summary>
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/// <param name="name">需要验证的用户名</param>
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/// <param name="code">需要验证的密码</param>
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/// <param name="ipAddress">登录的ip地址</param>
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/// <returns>验证的结果对象</returns>
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public T CheckAccount(string name, string code, string ipAddress)
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{
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T result = new T()
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{
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UserName = name,
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Password = code,
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ForbidMessage = "用户名不存在！",
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};
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lock (lock_list_accounts)
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{
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for (int i = 0; i < all_list_accounts.Count; i++)
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{
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T item = all_list_accounts[i];
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if (item.UserName == name)
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{
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if (item.Password != code)
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{
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result.ForbidMessage = "密码错误！";
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break;
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}
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else
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{
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//说明已经登录成功，需要进行进一步操作
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item.LoginFrequency++;
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result = item.DeepCopy<T>();
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//下面两个数据应该是旧的数据
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item.LastLoginIpAddress = ipAddress;
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item.LastLoginTime = DateTime.Now;
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break;
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}
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}
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}
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}
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return result;
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}
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/// <summary>
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/// 新增一个账户，如果账户名称已经存在，则返回False，注册成功返回True
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/// </summary>
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/// <param name="json_account">账户对象的JSON表示方式</param>
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/// <returns>成功True，失败False</returns>
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public bool AddNewAccount(string json_account)
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{
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try
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{
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T account = JObject.Parse(json_account).ToObject<T>();
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return AddNewAccount(account);
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}
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catch
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{
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return false;
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}
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}
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/// <summary>
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/// 新增一个账户，如果账户名称已经存在，则返回False，注册成功返回True
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/// </summary>
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/// <param name="account">账户对象</param>
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/// <returns>成功True，失败False</returns>
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public bool AddNewAccount(T account)
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{
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lock (lock_list_accounts)
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{
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for (int i = 0; i < all_list_accounts.Count; i++)
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{
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if (all_list_accounts[i].UserName == account.UserName)
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{
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return false;
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}
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}
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all_list_accounts.Add(account);
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}
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return true;
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}
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/// <summary>
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/// 删除一个账户信息，
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/// </summary>
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/// <param name="name">需要删除的账户的名称</param>
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public void DeleteAccount(string name)
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{
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lock (lock_list_accounts)
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{
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for (int i = 0; i < all_list_accounts.Count; i++)
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{
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if (name == all_list_accounts[i].UserName)
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{
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all_list_accounts.RemoveAt(i);
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break;
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}
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}
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}
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}
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/// <summary>
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/// 检查账户对象并返回账户的JSON字符串
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/// </summary>
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/// <param name="name">登录的用户名</param>
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/// <param name="code">登录的密码</param>
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/// <param name="ipAddress">检查的客户端的登录的ip地址</param>
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/// <returns></returns>
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public string CheckAccountJson(string name, string code, string ipAddress)
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{
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T result = CheckAccount(name, code, ipAddress);
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return JObject.FromObject(result).ToString();
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}
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/// <summary>
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/// 获取所有的账户的JSON字符串
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/// </summary>
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/// <returns></returns>
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public string GetAllAccountsJson()
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{
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string result = string.Empty;
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lock (lock_list_accounts)
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{
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result = JArray.FromObject(all_list_accounts).ToString();
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}
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return result;
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}
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/// <summary>
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/// 从所有的账户的json数据加载账户
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/// </summary>
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/// <param name="json"></param>
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public void LoadAllAccountsJson(string json)
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{
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lock (lock_list_accounts)
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{
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try
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{
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all_list_accounts = JArray.Parse(json).ToObject<List<T>>();
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}
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catch
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{
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}
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}
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}
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/// <summary>
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/// 使用Base64编码将所有的账户信息保存到文件
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/// </summary>
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public void SaveFile()
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{
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SaveFile(m => Convert.ToBase64String(Encoding.Unicode.GetBytes(m)));
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}
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/// <summary>
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/// 使用自定义的加密方法将所有账户信息保存到文件
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/// </summary>
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/// <param name="encrypt">加密的方式</param>
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public void SaveFile(Converter<string, string> encrypt)
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{
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if (FileSavePath != "")
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{
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string result = GetAllAccountsJson();
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StreamWriter sw = new StreamWriter(FileSavePath, false, Encoding.Default);
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sw.Write(encrypt(result));
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sw.Flush();
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sw.Dispose();
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}
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}
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/// <summary>
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/// 使用Base64编码从文件加载所有的账户
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/// </summary>
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public void LoadByFile()
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{
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LoadByFile(m => Encoding.Unicode.GetString(Convert.FromBase64String(m)));
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}
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/// <summary>
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/// 使用自定义的解密方法加载所有的账户
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/// </summary>
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public void LoadByFile(Converter<string, string> decrypt)
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{
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if (FileSavePath != "")
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{
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if (File.Exists(FileSavePath))
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{
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StreamReader sr = new StreamReader(FileSavePath, Encoding.Default);
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string result = sr.ReadToEnd();
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sr.Close();
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sr.Dispose();
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result = decrypt(result);
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LoadAllAccountsJson(result);
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}
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}
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}
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/**************************************************************
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*
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* 日志记录块，保存运行中的所有的异常信息，方便追踪系统异常
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*
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*************************************************************/
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/// <summary>
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/// 日志记录对象
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/// </summary>
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public HslCommunication.Enthernet.HslLogHelper LogHelper { get; set; }
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}
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}
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