在项目中引用log4net.dll
1、在Models文件夹内，定义一个WebApiMonitorLog ，监控日志对象
/// <summary> /// 监控日志对象 /// </summary> public class WebApiMonitorLog { public string ControllerName { get; set; } public string ActionName { get; set; } public DateTime ExecuteStartTime { get; set; } public DateTime ExecuteEndTime { get; set; } /// <summary> /// 请求的Action 参数 /// </summary> public Dictionary<string, object> ActionParams { get; set; } /// <summary> /// Http请求头 /// </summary> public string HttpRequestHeaders { get; set; } /// <summary> /// 请求方式 /// </summary> public string HttpMethod { get; set; } /// <summary> /// 请求的IP地址 /// </summary> public string IP { get; set; } /// <summary> /// 获取监控指标日志 /// </summary> /// <param name="mtype"></param> /// <returns></returns> public string GetLoginfo() { //ControllerName:{0}Controller //ActionName:{1} //开始时间:{2} //结束时间:{3} //总 时 间:{4}秒 //Action参数:{5} //Http请求头:{6} //客户端IP:{7} //HttpMethod:{8} string Msg = "Action执行监控:\r\nControllerName:{0}Controller\r\nActionName:{1}\r\n开始时间:{2}\r\n结束时间:{3}\r\n总 时 间:{4}秒\r\nAction参数:{5}\r\nHttp请求头:{6}\r\n客户端IP:{7}\r\nHttpMethod:{8}"; return string.Format(Msg, ControllerName, ActionName, ExecuteStartTime, ExecuteEndTime, (ExecuteEndTime - ExecuteStartTime).TotalSeconds, GetCollections(ActionParams), HttpRequestHeaders, GetIP(), HttpMethod); } /// <summary> /// 获取Action 参数 /// </summary> /// <param name="Collections"></param> /// <returns></returns> public string GetCollections(Dictionary<string, object> Collections) { string Parameters = string.Empty; if (Collections == null || Collections.Count == 0) { return Parameters; } foreach (string key in Collections.Keys) { Parameters += string.Format("{0}={1}&", key, Collections[key]); } if (!string.IsNullOrWhiteSpace(Parameters) && Parameters.EndsWith("&")) { Parameters = Parameters.Substring(0, Parameters.Length - 1); } return Parameters; } /// <summary> /// 获取IP /// </summary> /// <returns></returns> public string GetIP() { string ip = string.Empty; if (!string.IsNullOrEmpty(System.Web.HttpContext.Current.Request.ServerVariables["HTTP_VIA"])) ip = Convert.ToString(System.Web.HttpContext.Current.Request.ServerVariables["HTTP_X_FORWARDED_FOR"]); if (string.IsNullOrEmpty(ip)) ip = Convert.ToString(System.Web.HttpContext.Current.Request.ServerVariables["REMOTE_ADDR"]); return ip; } }
2、在Helper文件夹内，定义一个LoggerHelper，日志帮助类
public class LoggerHelper { private static readonly log4net.ILog loginfo = log4net.LogManager.GetLogger("loginfo"); private static readonly log4net.ILog logerror = log4net.LogManager.GetLogger("logerror"); private static readonly log4net.ILog logmonitor = log4net.LogManager.GetLogger("logmonitor"); public static void Error(string ErrorMsg, Exception ex = null) { if (ex != null) { logerror.Error(ErrorMsg, ex); } else { logerror.Error(ErrorMsg); } } public static void Info(string Msg) { loginfo.Info(Msg); } public static void Monitor(string Msg) { logmonitor.Info(Msg); } }
3、在App_Start文件夹内，定义一个WebApiTrackerAttribute特性类，继承于ActionFilterAttribute，并在App_Start的WebApiConfig.cs进行注册
/// <summary> /// WebAPI监控 /// </summary> public class WebApiTrackerAttribute : ActionFilterAttribute { private readonly string Key = "_thisWebApiOnActionMonitorLog_"; /// <summary> /// 调用前验证 /// </summary> /// <param name="actionContext">操作上下文</param> public override void OnActionExecuting(System.Web.Http.Controllers.HttpActionContext actionContext) { base.OnActionExecuting(actionContext); ZrTestItemsWebApi.Models.WebApiMonitorLog MonLog = new ZrTestItemsWebApi.Models.WebApiMonitorLog(); MonLog.ExecuteStartTime = DateTime.Now; //获取Action 参数 MonLog.ActionParams = actionContext.ActionArguments; MonLog.HttpRequestHeaders = actionContext.Request.Headers.ToString(); MonLog.HttpMethod = actionContext.Request.Method.Method; actionContext.Request.Properties[Key] = MonLog; var form = System.Web.HttpContext.Current.Request.Form; #region 如果参数是实体对象，获取序列化后的数据 Stream stream = actionContext.Request.Content.ReadAsStreamAsync().Result; Encoding encoding = Encoding.UTF8; stream.Position = 0; string responseData = ""; using (StreamReader reader = new StreamReader(stream, encoding)) { responseData = reader.ReadToEnd().ToString(); } if (!string.IsNullOrWhiteSpace(responseData) && !MonLog.ActionParams.ContainsKey("__EntityParamsList__")) { MonLog.ActionParams["__EntityParamsList__"] = responseData; } #endregion } /// <summary> /// 验证之后 /// </summary> /// <param name="actionExecutedContext">操作上下文</param> public override void OnActionExecuted(HttpActionExecutedContext actionExecutedContext) { ZrTestItemsWebApi.Models.WebApiMonitorLog MonLog = actionExecutedContext.Request.Properties[Key] as ZrTestItemsWebApi.Models.WebApiMonitorLog; MonLog.ExecuteEndTime = DateTime.Now; MonLog.ActionName = actionExecutedContext.ActionContext.ActionDescriptor.ActionName; MonLog.ControllerName = actionExecutedContext.ActionContext.ActionDescriptor.ControllerDescriptor.ControllerName; log4net.LogManager.GetLogger("logmonitor").Info(MonLog.GetLoginfo()); if (actionExecutedContext.Exception != null) { string Msg = string.Format("请求【{0}Controller】的【{1}】产生异常:\r\n异常信息:{2}\r\nAction参数:{3}\r\nHttp请求头:{4}\r\n客户端IP:{5}\r\nHttpMethod:{6}", MonLog.ControllerName, MonLog.ActionName, actionExecutedContext.Exception.ToString(), MonLog.GetCollections(MonLog.ActionParams), MonLog.HttpRequestHeaders, MonLog.GetIP(), MonLog.HttpMethod); log4net.LogManager.GetLogger("logerror").Error(Msg); } base.OnActionExecuted(actionExecutedContext); } }
4、在Configs文件夹内，新建一个log4net.config
<?xml version="1.0" encoding="utf-8"?> <configuration> <configSections> <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/> </configSections> <log4net> <!--(高) OFF > FATAL > ERROR > WARN > INFO > DEBUG > ALL (低) --> <!--错误日志--> <appender name="RollingLogFileAppender" type="log4net.Appender.RollingFileAppender"> <!--日志路径--> <!--<param name="File" value="D:\ElevatorSystem\SafeElevator\SafeElevator\App_Log\servicelog\" />--> <param name="File" value="log\\LogError\\" /> <!--是否是向文件中追加日志--> <param name="AppendToFile" value="true" /> <!--文件最大容量--> <param name="MaxFileSize" value="10240" /> <!--log保留天数--> <param name="MaxSizeRollBackups" value="100" /> <!--日志文件名是否是固定不变的--> <param name="StaticLogFileName" value="false" /> <!--日志文件名格式为:2008-08-31.log--> <param name="DatePattern" value="yyyy\\yyyyMM\\yyyy-MM-dd".txt"" /> <!--日志根据日期滚动--> <param name="RollingStyle" value="Date" /> <layout type="log4net.Layout.PatternLayout"> <!--<param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n %loggername" />--> <!--<conversionPattern value="%d [%t] %-5p %c - %m%n %loggername" />--> <conversionPattern value="%newline %n记录时间：%date %n线程ID:[%thread] %n日志级别： %-5level %n日志描述：%message%newline %n"/> </layout> </appender> <!--Info日志--> <appender name="InfoAppender" type="log4net.Appender.RollingFileAppender"> <!--日志路径--> <param name="File" value="Log\\LogInfo\\" /> <!--是否是向文件中追加日志--> <param name="AppendToFile" value="true" /> <!--文件最大容量--> <param name="MaxFileSize" value="10240" /> <!--log保留天数--> <param name="MaxSizeRollBackups" value="100" /> <!--日志文件名是否是固定不变的--> <param name="StaticLogFileName" value="false" /> <param name="DatePattern" value="yyyy\\yyyyMM\\yyyy-MM-dd".txt"" /> <!--日志根据日期滚动--> <param name="RollingStyle" value="Date" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%newline %n记录时间：%date %n线程ID:[%thread] %n日志级别： %-5level %n日志描述：%message%newline %n"/> </layout> </appender> <!--监控日志--> <appender name="MonitorAppender" type="log4net.Appender.RollingFileAppender"> <!--日志路径--> <param name="File" value="Log\\LogMonitor\\" /> <!--是否是向文件中追加日志--> <param name="AppendToFile" value="true" /> <!--文件最大容量--> <param name="MaxFileSize" value="10240" /> <!--log保留天数--> <param name="MaxSizeRollBackups" value="100" /> <!--日志文件名是否是固定不变的--> <param name="StaticLogFileName" value="false" /> <param name="DatePattern" value="yyyy\\yyyyMM\\yyyy-MM-dd".txt"" /> <!--日志根据日期滚动--> <param name="RollingStyle" value="Date" /> <layout type="log4net.Layout.PatternLayout"> <conversionPattern value="%newline %n记录时间：%date %n线程ID:[%thread] %n日志级别： %-5level %n跟踪描述：%message%newline %n"/> </layout> </appender> <!--Error日志--> <logger name="logerror"> <level value="ERROR" /> <appender-ref ref="RollingLogFileAppender" /> </logger> <!--Info日志--> <logger name="loginfo"> <level value="INFO" /> <appender-ref ref="InfoAppender" /> </logger> <!--监控日志--> <logger name="logmonitor"> <level value="Monitor" /> <appender-ref ref="MonitorAppender" /> </logger> <!--(高) OFF > FATAL > ERROR > WARN > INFO > DEBUG > ALL (低) --> <!--root是一个父级的logger，所有Logger列表的形式写在里面，相当于多个looger分开定义--> <!-- <root> <level value="ALL" /> <appender-ref ref="RollingLogFileAppender" /> </root>--> </log4net> </configuration>
5、启用log4net配置，在Global.asax中注册log4net
void Application_Start(object sender, EventArgs e) { // 在应用程序启动时运行的代码 ZrTestItemsWebApi.App_Start.WebApiConfig.Register(System.Web.Http.GlobalConfiguration.Configuration); log4net.Config.XmlConfigurator.Configure(new System.IO.FileInfo(AppDomain.CurrentDomain.BaseDirectory + "\\Configs\\log4net.config"));//启用log4net配置 }
参考网址：https://www.cnblogs.com/huangenai/archive/2016/04/23/5424596.html