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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: /// <summary> /// 拦截器 /// </summary> public class CallingLogInterceptor : IInterceptor { private DateTime dt { get; set; } private TimeSpan ts { get; set; } /// <summary> /// 方法执行前 /// </summary> /// <param name="invocation"></param> private void PreProceed(IInvocation invocation) { dt = DateTime.Now; } /// <summary> /// 方法执行后 /// </summary> /// <param name="invocation"></param> private void PostProceed(IInvocation invocation) { ts = DateTime.Now - dt; MethodOperationInfo.Add(invocation, ts.TotalMilliseconds); } /// <summary> /// 拦截 /// </summary> /// <param name="invocation"></param> public void Intercept(IInvocation invocation) { this.PreProceed(invocation); invocation.Proceed();//调用 this.PostProceed(invocation); } }
操作日志: /// <summary> /// 操作日志 /// </summary> 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<MethodOperationInfo> list = new List<MethodOperationInfo>();//存放 详细信息 public static Dictionary<string, MethodOperationInfo> dic = new Dictionary<string, MethodOperationInfo>();//存放 统计信息 /// <summary> /// 保证数据长度相同 /// </summary> /// <param name="obj"></param> /// <param name="len"></param> /// <param name="afterFill">后填充/前填充</param> /// <returns></returns> 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; } } /// <summary> /// 获取方法的参数类型 /// 如:(System.String, System.Object, System.Int32) /// </summary> /// <param name="invocation"></param> /// <returns></returns> 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; } /// <summary> /// 获取方法的参数 /// </summary> /// <param name="invocation"></param> /// <returns></returns> 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; } /// <summary> /// 添加信息 /// </summary> /// <param name="invocation"></param> /// <param name="TotalMilliseconds"></param> 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); } } /// <summary> /// 显示日志 /// </summary> /// <param name="ShowDetailRecord">是否显示详情记录-比较占用时间</param> /// <param name="IsFilter">是否开启过滤</param> public static void Show(bool ShowDetailRecord = true, bool IsFilter = false) { StringBuilder sb = new StringBuilder(); DateTime beforDT = DateTime.Now; List<string> list_Show_Method = new List<string>() { "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: /// <summary> /// 测试类1 /// </summary> 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<Class5_test1>(interceptor); //SensorRecordService entity = generator.CreateClassProxy<SensorRecordService>(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(); } /// <summary> /// 获取 配置文件信息 /// </summary> /// <param name="key"></param> /// <returns></returns> 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)
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