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  • 通过数据库名称字符串 反射获取数据并刷新对应缓存

     
    ///ClassName是数据库名称字符串
    public JsonResult ReloadCache(string ClassName)
            {
                try
                {
                    if (!string.IsNullOrWhiteSpace(ClassName))
                    {
                        //ClassName = "ECSUPPLYMODELS.USER,ECSUPPLYMODELS";
                        var modelName = ClassName;
                        ClassName = "ECSUPPLYMODELS."+ ClassName +",ECSUPPLYMODELS";
                        var bllName = "ECSUPPLYBLL.BaseBLL`1,ECSUPPLYBLL";
                        var cacheName = "ECSUPPLYCOMMON.EcsupplyRedisCache,ECSUPPLYCOMMON";
    
                        #region 反射bll 获取数据 (要获取的是泛型类中的泛型方法,无参数有返回值IList<T>)
    
                        Type bll = Type.GetType(bllName);   //获取bll类型
                        bll = bll.MakeGenericType(Type.GetType(ClassName));     //指定泛型类(或泛型方法)的具体类型
                        object bllObject = Activator.CreateInstance(bll);   //反射生成实例
                        MethodInfo bllMethod = bll.GetMethod("GetListAll");     //指定要调用的方法“GetListAll”
                        var list = bllMethod.Invoke(bllObject, null);
                        //执行    ps:参数1是反射得到的实例 参数2是要调用的方法的参数
    
                        #endregion
    
                        #region 反射 加载缓存   (要获取的方法有参数string key, IList<T> dataList /无返回值)
    
                        Type cache = Type.GetType(cacheName);   //获取类型
                        object cacheObject = Activator.CreateInstance(cache);   //反射生成实例
                        MethodInfo cacheMethod = cache.GetMethod("SetListRedisCache");  //指定方法“SetListRedisCache”
                        cacheMethod = cacheMethod.MakeGenericMethod(new Type[] { Type.GetType(ClassName)});//指定泛型方法的具体类型
                        cacheMethod.Invoke(cacheObject, new object[] { modelName, list });
                        //执行    ps:参数1是反射得到的实例 参数2是要调用方法的参数数组
                        #endregion
    
                        return Json(new { flag = true, info = "1" }, JsonRequestBehavior.AllowGet);
                    }
                    return Json(new { flag = false,info = "0" }, JsonRequestBehavior.AllowGet);
    
                }
                catch (Exception e)
                {
                    return Json(new { flag = false, info = e.Message }, JsonRequestBehavior.AllowGet);
                }
            }

    BLL内容

    namespace ECSUPPLYBLL
    {
        public class BaseBLL<T> : IBaseBLL<T> where T : class, new()
        {
            /// <summary>
            /// 获取列表
            /// </summary>
            /// <returns>列表</returns>
            public IList<T> GetListAll()
            {
                using (Entities dbContext = new Entities())
                {
    
                    IList<T> list = dbContext.Set<T>().ToList();
                    return list;
                }
            }
        }
    }

    COMMON内代码

    public class EcsupplyRedisCache
        {
            private static ConfigurationOptions _configurationOptions = ConfigurationOptions.Parse("127.0.0.1" + ":" + "6379,password=!~@#wdfghOURVCsupp7642m*^$");
            
            private static ConnectionMultiplexer _redis;
            private static readonly Object locker = new Object();
            private static ConnectionMultiplexer GetConnectRedis()
            {
                try
                {
                    _redis = null;
                    _configurationOptions.AbortOnConnectFail = false;
                    _configurationOptions.ConnectTimeout = 1000;
                    _redis = ConnectionMultiplexer.Connect(_configurationOptions);
                }
                catch (Exception ex)
                {
                    LogHelper.WriteLog("获取redis实例时出错,详细错误信息:InnerException:" + ex.InnerException + "------Message:" + ex.Message + "-------StackTrace:" + ex.StackTrace);
                }
                return _redis;
            }
    private static ConnectionMultiplexer RedisInstance
            {
                get
                {
                    lock (locker)
                    {
                        if (_redis == null)
                        {
                            _redis = GetConnectRedis();
                        }
                        return _redis;
                    }
                }
            }
    
    public static void SetListRedisCache<T>(string key, IList<T> dataList) where T : class, new()
            {
                try
                {
                    if (RedisInstance.IsConnected)
                    {
                        lock (locker)
                        {
                            IDatabase db = RedisInstance.GetDatabase();
                            db.StringSet(key, JsonHelper.ObjectToJSON(dataList));
                        }
                    }
                }
                catch(Exception ex)
                {
                    LogHelper.WriteLog("初始化缓存信息时出错,详细错误信息:InnerException:" + ex.InnerException + "------Message:" + ex.Message + "-------StackTrace:" + ex.StackTrace);
                }
            }
    }
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  • 原文地址:https://www.cnblogs.com/luosiqizi/p/8204611.html
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