109 lines
4.3 KiB
C#
109 lines
4.3 KiB
C#
using Longbow.Caching;
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using Longbow.Caching.Configuration;
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using Longbow.ExceptionManagement;
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using System;
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using System.Collections.Generic;
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using System.Data;
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using System.Data.Common;
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using System.Globalization;
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using System.Linq;
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namespace Bootstrap.DataAccess
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{
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public static class UserHelper
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{
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private const string UserDataKey = "UserData-CodeUserHelper";
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/// <summary>
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/// 查询所有用户
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/// </summary>
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/// <param name="pIds"></param>
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/// <returns></returns>
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public static IEnumerable<User> RetrieveUsers(string tId = null)
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{
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string sql = "select * from Users";
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var ret = CacheManager.GetOrAdd(UserDataKey, CacheSection.RetrieveIntervalByKey(UserDataKey), key =>
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{
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List<User> Users = new List<User>();
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DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql);
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try
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{
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using (DbDataReader reader = DBAccessManager.SqlDBAccess.ExecuteReader(cmd))
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{
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while (reader.Read())
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{
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Users.Add(new User()
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{
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ID = (int)reader[0],
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UserName = (string)reader[1],
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Password = (string)reader[2],
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PassSalt = (string)reader[3],
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});
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}
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}
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}
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catch (Exception ex) { ExceptionManager.Publish(ex); }
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return Users;
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}, CacheSection.RetrieveDescByKey(UserDataKey));
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return string.IsNullOrEmpty(tId) ? ret : ret.Where(t => tId.Equals(t.ID.ToString(), StringComparison.OrdinalIgnoreCase));
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}
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/// <summary>
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/// 删除用户
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/// </summary>
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/// <param name="ids"></param>
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public static void DeleteUser(string ids)
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{
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if (string.IsNullOrEmpty(ids) || ids.Contains("'")) return;
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string sql = string.Format(CultureInfo.InvariantCulture, "Delete from Users where ID in ({0})", ids);
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using (DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql))
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{
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DBAccessManager.SqlDBAccess.ExecuteNonQuery(cmd);
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ClearCache();
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}
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}
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/// <summary>
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/// 保存新建/更新的用户信息
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/// </summary>
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/// <param name="p"></param>
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/// <returns></returns>
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public static bool SaveUser(User p)
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{
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if (p == null) throw new ArgumentNullException("p");
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bool ret = false;
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if (p.UserName.Length > 50) p.UserName.Substring(0, 50);
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if (p.Password.Length > 50) p.Password.Substring(0, 50);
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if (p.PassSalt.Length > 50) p.PassSalt.Substring(0, 50);
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string sql = p.ID == 0 ?
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"Insert Into Users (UserName, Password, PassSalt) Values (@UserName, @Password, @PassSalt)" :
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"Update Users set UserName = @UserName, Password = @Password, PassSalt = @PassSalt where ID = @ID";
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try
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{
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using (DbCommand cmd = DBAccessManager.SqlDBAccess.CreateCommand(CommandType.Text, sql))
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{
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cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@ID", p.ID, ParameterDirection.Input));
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cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@UserName", p.UserName, ParameterDirection.Input));
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cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@Password", p.Password, ParameterDirection.Input));
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cmd.Parameters.Add(DBAccessManager.SqlDBAccess.CreateParameter("@PassSalt", p.PassSalt, ParameterDirection.Input));
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DBAccessManager.SqlDBAccess.ExecuteNonQuery(cmd);
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}
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ret = true;
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ClearCache();
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}
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catch (DbException ex)
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{
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ExceptionManager.Publish(ex);
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}
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return ret;
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}
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// 更新缓存
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private static void ClearCache()
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{
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CacheManager.Clear(key => key.Contains("TerminalData-"));
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}
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}
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}
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