原文：http://www.cnblogs.com/RicCC/archive/2010/03/15/castle-dynamic-proxy.html

 在Nuget引用 Castle.DynamicProxy 和 Newtonsoft.Json 这个

 

 

操作日志的作用：

　　　　可用来分析方法的执行效率

　　　　分析方法执行效率慢的原因

　　　　根据传入的参数测试，找到运行瓶颈问题

 

 

拦截器：

/// 
    /// 拦截器    /// 
    public class CallingLogInterceptor : IInterceptor    {        private DateTime dt { get; set; }        private TimeSpan ts { get; set; }        /// 
        /// 方法执行前        /// 
        ///         private void PreProceed(IInvocation invocation)        {            dt = DateTime.Now;        }        /// 
        /// 方法执行后        /// 
        ///         private void PostProceed(IInvocation invocation)        {            ts = DateTime.Now - dt;            MethodOperationInfo.Add(invocation, ts.TotalMilliseconds);        }        /// 
        /// 拦截        /// 
        ///         public void Intercept(IInvocation invocation)        {            this.PreProceed(invocation);            invocation.Proceed();//调用            this.PostProceed(invocation);        }    }

 

操作日志：

/// 
    /// 操作日志    /// 
    public class MethodOperationInfo    {        public string NameSpaceName { get; set; }        public string ClassName { get; set; }        public string MethodName { get; set; }        public string Parameters { get; set; }        public string ParameterTypes { get; set; }        public double TotalMilliseconds { get; set; }        public int ExecuteNumber { get; set; }        public static List
      
        list = new List
       
        ();//存放 详细信息        public static Dictionary
        
          dic = new Dictionary
         
          ();//存放 统计信息                /// 
          
        /// 保证数据长度相同        /// 
        /// 
                  /// 
                  /// 
          后填充/前填充        /// 
                  public static string GetSameLenString(object obj, int len, bool afterFill = true)        {            string name = obj.ToString();            int count = len - name.Length;            if (afterFill)            {                for (int i = 0; i < count; i++)                {                    name += " ";                }                return name;            }            else            {                string value = "";                for (int i = 0; i < count; i++)                {                    value += " ";                }                value += name;                return value;            }        }        /// 
          
        /// 获取方法的参数类型        /// 如：(System.String, System.Object, System.Int32)        /// 
        /// 
                  /// 
                  public static string GetParameterTypes(IInvocation invocation)        {            MethodInfo mInfo = invocation.Method;            ParameterInfo[] pInfos = mInfo.GetParameters();            string str = "";            str += "(";            for (int j = 0; j < pInfos.Length; j++)            {                var p = pInfos[j];                string pTypeName = $"{p.ParameterType.ToString()}, ";                if (p.ParameterType.IsGenericType && (p.ParameterType.GetGenericTypeDefinition() == typeof(Nullable<>)))                {                    pTypeName = $"{Nullable.GetUnderlyingType(p.ParameterType).Name}?, ";                }                str += pTypeName;            }            str = str.TrimEnd(' ').TrimEnd(',');            str += ")";            return str;        }        /// 
          
        /// 获取方法的参数        /// 
        /// 
                  /// 
                  public static string GetParameter(IInvocation invocation)        {            string Parameters = "";//参数            if ((invocation.Arguments != null) && (invocation.Arguments.Length > 0))            {                Parameters = JsonConvert.SerializeObject(invocation.Arguments);            }            return Parameters;        }        /// 
          
        /// 添加信息        /// 
        /// 
                  /// 
                  public static void Add(IInvocation invocation, double TotalMilliseconds)        {            string NameSpaceName = invocation.TargetType.Namespace;            string ClassName = invocation.TargetType.Name;            string MethodName = invocation.Method.Name;//方法名            string ParameterTypes = GetParameterTypes(invocation);            string Parameters = GetParameter(invocation);//参数            //添加到 list            var model = new MethodOperationInfo            {                NameSpaceName = NameSpaceName,                ClassName = ClassName,                MethodName = MethodName,                ParameterTypes = ParameterTypes,                Parameters = Parameters,                TotalMilliseconds = TotalMilliseconds,                ExecuteNumber = 1            };            list.Add(model);            //添加到 dictionary            string key = MethodName + ParameterTypes;            if (dic.ContainsKey(key))            {                dic[key].TotalMilliseconds += TotalMilliseconds;                dic[key].ExecuteNumber += 1;            }            else            {                dic.Add(key, model.MemberwiseClone() as MethodOperationInfo);            }        }        /// 
          
        /// 显示日志        /// 
        /// 
          是否显示详情记录-比较占用时间        /// 
          是否开启过滤        public static void Show(bool ShowDetailRecord = true, bool IsFilter = false)        {            StringBuilder sb = new StringBuilder();            DateTime beforDT = DateTime.Now;            List
          
            list_Show_Method = new List
           
            () { "GetSingle_Value1" };//可改为配置参数 //每个方法-耗时 string str = ""; double TotalMilliseconds = 0; foreach (var item in dic) { TotalMilliseconds += item.Value.TotalMilliseconds; str += $"命名空间：{GetSameLenString(item.Value.NameSpaceName, 40)} "; str += $"类名：{GetSameLenString(item.Value.ClassName, 30)} "; str += $"方法：{GetSameLenString(item.Key, 80)} "; str += $"次数：{GetSameLenString(item.Value.ExecuteNumber, 10)} "; str += $"耗时：{GetSameLenString(item.Value.TotalMilliseconds, 10, false) }毫秒 "; str += $"\r\n"; } sb.Append(str + "\r\n\r\n"); //方法-总耗时 str = ""; str += $"所有方法-耗时：{TotalMilliseconds}毫秒 "; str += $"{TotalMilliseconds / 1000}秒 "; str += $"{(TotalMilliseconds / 1000 / 60).ToString("f2")}分钟 "; str += $"当前时间：{DateTime.Now} "; sb.Insert(0, str + "\r\n\r\n"); //方法每次-耗时 if (ShowDetailRecord) { for (int i = 0; i < list.Count; i++) { Console.WriteLine($"处理数据-当前行：{list.Count - i}"); var item = list[i]; //数据过滤 if (IsFilter && !list_Show_Method.Contains(item.MethodName)) { continue; } sb.Append($"命名空间：{GetSameLenString(item.NameSpaceName, 40)} "); sb.Append($"类名：{GetSameLenString(item.ClassName, 30)} "); sb.Append($"方法：{GetSameLenString(item.MethodName + item.ParameterTypes, 80)} "); sb.Append($"次数：{GetSameLenString(item.ExecuteNumber, 10)} "); sb.Append($"耗时：{GetSameLenString(item.TotalMilliseconds, 10, false) }毫秒 "); sb.Append($"参数：{GetSameLenString(item.Parameters, 50)} "); sb.Append($"\r\n"); } } //计算日志-耗时 sb.Insert(0, $"计算日志-耗时：{DateTime.Now.Subtract(beforDT).TotalSeconds.ToString("#0.00000")}秒 \r\n\r\n"); System.IO.File.WriteAllText($"LOG_{DateTime.Now.ToString("yyyyMMddHHmmssfff")}.txt", sb.ToString()); Console.WriteLine("完成！"); } }
           
          
         
        
       
      

 

测试类：

/// 
    /// 测试类1    /// 
    public class Class5_test1    {        public virtual void test1()        {            System.Threading.Thread.Sleep(1000 * 1);            int num = 0;            for (int i = 0; i < 10000; i++)            {                num += 1;            }            test1(1);            test1(1, 2);            test1(1, "");        }        public virtual void test1(int i) { }        public virtual void test1(int i, int j) { }        public virtual void test1(int i, string j) { }    }

 

入口：

class Class5    {        static void Main(string[] args)        {            ProxyGenerator generator = new ProxyGenerator();//代理            CallingLogInterceptor interceptor = new CallingLogInterceptor();//定义 拦截器            Class5_test1 entity = generator.CreateClassProxy
      
       (interceptor);            //SensorRecordService entity = generator.CreateClassProxy
       
        (interceptor);                        DateTime beforDT1 = DateTime.Now;//开始时间                 try            {                entity.test1();                //entity.DealWithSensorRecord(74619, 174619);                //int start = Convert.ToInt32(GetAppSetting("start_Id"));                //int end = Convert.ToInt32(GetAppSetting("end_Id"));                //for (int i = start; i < end;)                //{                //    int start_Id = i;                //    i = i + 10000;                //    int end_Id = i > end ? end : i;                //    Console.WriteLine($"开始计算：start_Id:{start_Id} end_Id:{end_Id}");                //    entity.DealWithSensorRecord(start_Id, end_Id);                //}            }            catch (Exception ex)            {                Console.WriteLine(ex.Message);            }            MethodOperationInfo.Show();            TimeSpan ts = DateTime.Now.Subtract(beforDT1);            string str = $"总共耗时：{ts.TotalSeconds.ToString()}秒  或  {ts.TotalMinutes.ToString("f3")}分";            System.IO.File.AppendAllText("1.txt", $"{str}\r\n\r\n");            Console.WriteLine(str);            Console.WriteLine("操作完成！");            Console.ReadLine();        }        /// 
        
        /// 获取 配置文件信息        /// 
        /// 
                /// 
                public static string GetAppSetting(string key)        {            return ConfigurationManager.OpenExeConfiguration(ConfigurationUserLevel.None).AppSettings.Settings[key].Value;        }    }
       
      

 

会往Debug写入一个日志文件。

 

预览效果1：

 

 预览效果2：

 

预览效果3：（删掉了命名空间和类名）