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Mall.AOP/AOPHelper.cs

+using Castle.DynamicProxy;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Mall.AOP
+{
+    /// <summary>
+    /// AOP帮助类
+    /// </summary>
+    public class AOPHelper
+    {
+        /// <summary>
+        /// 生成代理类对象
+        /// </summary>
+        /// <typeparam name="T"></typeparam>
+        /// <returns></returns>
+        public static T CreateAOPObject<T>() where T : class
+        {
+            ProxyGenerator generator = new ProxyGenerator();
+            IOCInterceptor interceptor = new IOCInterceptor();
+            T t = generator.CreateClassProxy<T>(interceptor);
+            return t;
+        }
+    }
+}

Mall.AOP/BaseInterceptorAttribute.cs

+using Castle.DynamicProxy;
+using Mall.AOP.CustomerAttribute;
+using System;
+using System.Collections.Generic;
+using System.Reflection;
+using System.Text;
+using System.Transactions;
+using System.Linq;
+
+namespace Mall.AOP
+{
+    /// <summary>
+    /// AOP属性基类
+    /// </summary>
+    public abstract class BaseInterceptorAttribute : Attribute
+    {
+        /// <summary>
+        /// 具体执行的方法
+        /// </summary>
+        public abstract Action Do(IInvocation invocation,Action action);
+         
+    }
+}

Mall.AOP/CustomerAttribute/LogAttribute.cs

+using Castle.DynamicProxy;
+using System;
+using System.Collections.Generic;
+using System.Text;
+
+namespace Mall.AOP.CustomerAttribute
+{
+    /// <summary>
+    /// 日志属性
+    /// </summary>
+    public class LogAttribute : BaseInterceptorAttribute
+    {
+        public override Action Do(IInvocation invocation, Action action)
+        {
+            return () =>
+            {
+                Console.WriteLine("LogAttribute1");
+                action.Invoke();
+                Console.WriteLine("LogAttribute2");
+            };
+        }
+    }
+}

Mall.AOP/CustomerAttribute/TransactionCallHandlerAttribute.cs

+using Castle.DynamicProxy;
+using System;
+using System.Collections.Generic;
+using System.Text;
+using System.Transactions;
+
+namespace Mall.AOP.CustomerAttribute
+{
+    /// <summary>
+    /// 事务属性
+    /// </summary>
+    [AttributeUsage(AttributeTargets.Method, Inherited = true)]
+    public class TransactionCallHandlerAttribute : BaseInterceptorAttribute
+    {
+        /// <summary>
+        /// 超时时间
+        /// </summary>
+        public int Timeout { get; set; }
+
+        /// <summary>
+        /// 事务范围
+        /// </summary>
+        public TransactionScopeOption ScopeOption { get; set; }
+
+        /// <summary>
+        /// 事务隔离级别
+        /// </summary>
+        public IsolationLevel IsolationLevel { get; set; }
+
+        /// <summary>
+        /// 构造函数
+        /// </summary>
+        public TransactionCallHandlerAttribute()
+        {
+            Timeout = 60;
+            ScopeOption = TransactionScopeOption.Required;
+            IsolationLevel = IsolationLevel.ReadCommitted;
+        }
+
+        /// <summary>
+        /// 执行方法
+        /// </summary>
+        /// <param name="invocation"></param>
+        /// <param name="action"></param>
+        /// <returns></returns>
+        public override Action Do(IInvocation invocation, Action action)
+        {
+            return () =>
+            {
+                Console.WriteLine("TransactionCallHandlerAttribute1");
+
+                TransactionOptions transactionOptions = new TransactionOptions();
+                //设置事务隔离级别
+                transactionOptions.IsolationLevel = this.IsolationLevel;
+                //设置事务超时时间为60秒
+                transactionOptions.Timeout = new TimeSpan(0, 0, this.Timeout);
+                using (TransactionScope scope = new TransactionScope(this.ScopeOption, transactionOptions))
+                {
+                    try
+                    {
+                        //实现事务性工作
+                        action.Invoke();
+                        var result = invocation.ReturnValue;
+                        bool.TryParse((result != null ? result.ToString() : ""),out bool IsSuccess);
+                        if (IsSuccess)
+                        {
+                            scope.Complete();
+                        }
+                    }
+                    catch (Exception ex)
+                    {
+                        // 记录异常
+                        throw ex;
+                    }
+                }
+                Console.WriteLine("TransactionCallHandlerAttribute2");
+            };
+        }
+    }
+}

Mall.AOP/IOCInterceptor.cs

+ 
+using System;
+using System.Collections.Generic;
+ 
+
+namespace Mall.AOP
+{
+    /// <summary>
+    /// 拦截器基类
+    /// </summary>
+    public class IOCInterceptor : Castle.DynamicProxy.StandardInterceptor
+    {
+        /// <summary>
+        /// 方法调用前执行
+        /// </summary>
+        /// <param name="invocation"></param>
+        protected override void PreProceed(Castle.DynamicProxy.IInvocation invocation)
+        {
+            Console.WriteLine("调用前的拦截器， 方法名是: {0}", invocation.Method.Name);
+        }
+
+        /// <summary>
+        /// 方法执行时调用
+        /// </summary>
+        /// <param name="invocation"></param>
+        protected override void PerformProceed(Castle.DynamicProxy.IInvocation invocation)
+        {
+            var method = invocation.Method;
+            Action action = () => base.PerformProceed(invocation);
+            if (method.IsDefined(typeof(BaseInterceptorAttribute), true))
+            {
+                foreach (var attribute in method.GetCustomAttributes(typeof(BaseInterceptorAttribute), true))
+                {
+                    var attr = (BaseInterceptorAttribute)attribute;
+                    action= attr.Do(invocation,action);
+                }
+            }
+            action.Invoke();
+            Console.WriteLine("拦截的方法返回时调用的拦截， 方法名是: {0}", invocation.Method.Name);
+        }
+
+        /// <summary>
+        /// 方法执行后调用
+        /// </summary>
+        /// <param name="invocation"></param>
+        protected override void PostProceed(Castle.DynamicProxy.IInvocation invocation)
+        {
+            Console.WriteLine("调用后的拦截器， 方法名是: {0}", invocation.Method.Name);
+        }
+    }
+}

Mall.AOP/Mall.AOP.csproj

+<Project Sdk="Microsoft.NET.Sdk">
+
+  <PropertyGroup>
+    <TargetFramework>netcoreapp3.0</TargetFramework>
+  </PropertyGroup>
+
+  <ItemGroup>
+    <PackageReference Include="Castle.Core" Version="4.4.1" />
+  </ItemGroup>
+
+</Project>

Mall.CacheManager/Base/RedisConnectionHelp.cs

+using Microsoft.Extensions.Configuration;
+using Microsoft.Extensions.Configuration.Json;
+using StackExchange.Redis;
+using System;
+using System.Collections.Concurrent;
+using System.Collections.Generic;
+using System.Configuration;
+using System.Linq;
+using System.Text;
+using System.Threading.Tasks;
+
+namespace Mall.CacheManager.Base
+{
+    /// <summary>
+    /// ConnectionMultiplexer对象管理帮助类
+    /// </summary>
+    public static class RedisConnectionHelp
+    {
+        /// <summary>
+        /// 系统自定义Key前缀
+        /// </summary>
+        public static readonly string SysCustomKey = "";
+
+        /// <summary>
+        /// 连接字符串
+        /// </summary>
+        private static readonly string RedisConnectionString = $@"{new ConfigurationBuilder().Add(new JsonConfigurationSource { Path = "appsettings.json" }).Build().GetSection("RedisSetting")["RedisServer"]}:{new ConfigurationBuilder().Add(new JsonConfigurationSource { Path = "appsettings.json" }).Build().GetSection("RedisSetting")["RedisPort"]},allowadmin=true,password={new ConfigurationBuilder().Add(new JsonConfigurationSource { Path = "appsettings.json" }).Build().GetSection("RedisSetting")["RedisPwd"]}";
+
+        private static readonly object Locker = new object();
+        private static ConnectionMultiplexer _instance;
+        /// <summary>
+        /// 线程安全的字典
+        /// </summary>
+        private static readonly ConcurrentDictionary<string, ConnectionMultiplexer> ConnectionCache = new ConcurrentDictionary<string, ConnectionMultiplexer>();
+
+        /// <summary>
+        /// 单例获取
+        /// </summary>
+        public static ConnectionMultiplexer Instance
+        {
+            get
+            {
+                if (_instance == null)
+                {
+                    lock (Locker)
+                    {
+                        if (_instance == null || !_instance.IsConnected)
+                        {
+                            _instance = GetManager();
+                        }
+                    }
+                }
+                return _instance;
+            }
+        }
+
+        /// <summary>
+        /// 缓存获取
+        /// </summary>
+        /// <param name="connectionString"></param>
+        /// <returns></returns>
+        public static ConnectionMultiplexer GetConnectionMultiplexer(string connectionString)
+        {
+            if (!ConnectionCache.ContainsKey(connectionString))
+            {
+                ConnectionCache[connectionString] = GetManager(connectionString);
+            }
+            return ConnectionCache[connectionString];
+        }
+
+        /// <summary>
+        /// 获取连接  
+        /// </summary>
+        /// <param name="connectionString"></param>
+        /// <returns></returns>
+        private static ConnectionMultiplexer GetManager(string connectionString = null)
+        {
+            connectionString = connectionString ?? RedisConnectionString;
+            var connect = ConnectionMultiplexer.Connect(connectionString);
+
+            //注册如下事件
+            connect.ConnectionFailed += MuxerConnectionFailed;
+            connect.ConnectionRestored += MuxerConnectionRestored;
+            connect.ErrorMessage += MuxerErrorMessage;
+            connect.ConfigurationChanged += MuxerConfigurationChanged;
+            connect.HashSlotMoved += MuxerHashSlotMoved;
+            connect.InternalError += MuxerInternalError;
+            connect.ConfigurationChangedBroadcast += MuxerConfigurationChangedBroadcast;
+
+            return connect;
+        }
+
+        #region 事件
+        /// <summary>
+        /// 重新配置广播时（通常意味着主从同步更改）
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private static void MuxerConfigurationChangedBroadcast(object sender, EndPointEventArgs e)
+        {
+            Console.WriteLine($"{nameof(MuxerConfigurationChangedBroadcast)}: {e.EndPoint}");
+        }
+
+
+        /// <summary>
+        /// 配置更改时
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private static void MuxerConfigurationChanged(object sender, EndPointEventArgs e)
+        {
+            Console.WriteLine("Configuration changed: " + e.EndPoint);
+        }
+
+        /// <summary>
+        /// 发生内部错误时（主要用于调试）
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private static void MuxerErrorMessage(object sender, RedisErrorEventArgs e)
+        {
+            Console.WriteLine("ErrorMessage: " + e.Message);
+        }
+
+        /// <summary>
+        /// 重新建立连接之前的错误
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private static void MuxerConnectionRestored(object sender, ConnectionFailedEventArgs e)
+        {
+            Console.WriteLine("ConnectionRestored: " + e.EndPoint);
+        }
+
+        /// <summary>
+        /// 连接失败 ， 如果重新连接成功你将不会收到这个通知
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private static void MuxerConnectionFailed(object sender, ConnectionFailedEventArgs e)
+        {
+            Console.WriteLine("重新连接：Endpoint failed: " + e.EndPoint + ", " + e.FailureType + (e.Exception == null ? "" : (", " + e.Exception.Message)));
+        }
+
+        /// <summary>
+        /// 更改集群时
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private static void MuxerHashSlotMoved(object sender, HashSlotMovedEventArgs e)
+        {
+            Console.WriteLine("HashSlotMoved:NewEndPoint" + e.NewEndPoint + ", OldEndPoint" + e.OldEndPoint);
+        }
+
+        /// <summary>
+        /// redis类库错误
+        /// </summary>
+        /// <param name="sender"></param>
+        /// <param name="e"></param>
+        private static void MuxerInternalError(object sender, InternalErrorEventArgs e)
+        {
+            Console.WriteLine("InternalError:Message" + e.Exception.Message);
+        }
+
+        #endregion
+    }
+}

Mall.Repository/Core/BaseRepository.cs

+using System;
+using System.Collections.Generic;
+using System.Text;
+using VT.FW.DB;
+
+namespace Mall.Repository
+{
+    public class BaseRepository<T> : RepositoryBase<T> where T : class
+    {
+        /// <summary>
+        /// 数据库连接Key
+        /// </summary>
+        public string ConnKey { get; set; }
+
+        public BaseRepository(string connKey = "DefaultConnection")
+        {
+            try
+            {
+                var classAttribute = (DBAttribute)Attribute.GetCustomAttribute(typeof(T), typeof(DBAttribute));
+                connKey = classAttribute.ConnectionName ?? "DefaultConnection";
+            }
+            catch (Exception ex)
+            {
+                throw ex;
+            }
+            ConnKey = connKey;
+        }
+
+        public string _ConnectionStr;
+
+        public string _ProviderName;
+
+        public override string ConnectionStr
+        {
+            get
+            {
+                _ConnectionStr = Common.Config.GetConnectionString(ConnKey);
+                return _ConnectionStr;
+            }
+            set
+            {
+                _ConnectionStr = value;
+            }
+        }
+
+        public override string ProviderName
+        {
+            get
+            {
+                _ProviderName = "MySql.Data.MySqlClient";
+                return _ProviderName;
+            }
+            set
+            {
+                _ProviderName = value;
+            }
+        }
+    }
+}