1 <?xml version="1.0" encoding="utf-8" ?> 2 <nlog xmlns="http://www.nlog-project.org/schemas/NLog.xsd" 3       xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 4       throwExceptions="true" internalLogFile="c:\nlog.txt" internalLogLevel="Debug"> 5  6   <!--  7   See http://nlog-project.org/wiki/Configuration_file  8   for information on customizing logging rules and outputs. 9    -->10   <!--<nlog throwExceptions="true" internalLogFile="c:\nlog.txt" internalLogLevel="Debug" />-->11   <targets>12     <!-- add your targets here -->13     <target xsi:type="File" name="file" fileName="${basedir}/logs/${level}/${shortdate}.log"14            layout="${longdate} ${uppercase:${level}} ${message}" />15 16     <!--<target type="Database" name="database" connectionString="Data Source=localhost;Initial Catalog=Test;User ID=sa;Password=sa;MultipleActiveResultSets=true; ">17       <commandText>18         insert into ErrorLog ([CreateDate], [Origin], [LogLevel], [Message], [StackTrace]) values (@createDate, @origin, @logLevel, @message, @stackTrace);19       </commandText>20       <parameter name="@createDate" layout="${longdate}"/>21       日志发生时间22       <parameter name="@origin" layout="${callsite}"/>23       日志发生时间24       <parameter name="@logLevel" layout="${level}"/>25       日志等级26       <parameter name="@message" layout="${message}"/>27       日志信息28       <parameter name="@stackTrace" layout="${stacktrace}"/>29       日志发生时间30     </target>-->31     <!--32     <target xsi:type="File" name="f" fileName="${basedir}/logs/${shortdate}.log"33             layout="${longdate} ${uppercase:${level}} ${message}" />34     -->35   </targets>36 37   <rules>38     <!-- add your logging rules here -->39     <logger name="*"  minlevel="Trace"  writeTo="file"/>40     <!--<logger name="*" level="Error"  appendTo="database"/>-->41 42 43   </rules>44 </nlog>

 //日志            loggerFactory.AddNLog();            env.ConfigureNLog("Config/nlog.config");

 1   "publishOptions": { 2     "include": [ 3       "wwwroot", 4       "**/*.cshtml", 5       "appsettings.json", 6       "web.config", 7       "Config", //nlog 8       "Export" //Export 9     ]10   },

  1  /// <summary>  2     /// 日志  3     /// </summary>  4     public class NLogger   5     {  6         private static readonly Logger logger =  LogManager.GetCurrentClassLogger();  7   8         #region "等级1-Debug"  9         /// <summary> 10         /// 记录调试信息 11         /// </summary> 12         /// <param name="userInfo">用户信息</param> 13         /// <param name="msg">具体信息</param> 14         public static void Debug(string msg, string userInfo = "") 15         { 16             string info = string.Empty; 17             if (userInfo != "") 18             { 19                 info = userInfo; 20             } 21             info = info + "\r\n" + msg; 22  23             logger.Debug(info); 24         } 25  26         #endregion 27  28         #region "等级2-Info" 29  30  31         /// <summary> 32         /// 记录信息 33         /// </summary> 34         /// <param name="userInfo">用户信息</param> 35         /// <param name="msg">具体信息</param> 36         public static void Info(string msg, string userInfo = "") 37         { 38             string info = string.Empty; 39             if (userInfo != "") 40             { 41                 info = userInfo; 42             } 43             info = info + "\r\n" + msg; 44             logger.Info(info); 45  46         } 47  48         #endregion 49  50         #region "等级3-Warn" 51  52  53  54         /// <summary> 55         /// 记录警告信息 56         /// </summary> 57         /// <param name="userInfo">用户信息</param> 58         /// <param name="msg">具体信息</param> 59         public static void Warn(string msg, string userInfo = "") 60         { 61             string info = string.Empty; 62             if (userInfo != "") 63             { 64                 info = userInfo; 65             } 66             info = info + "\r\n" + msg; 67             logger.Warn(info); 68  69         } 70  71         #endregion 72  73         #region "等级4-Error" 74  75  76         /// <summary> 77         /// 记录错误信息 78         /// </summary> 79         /// <param name="userInfo">用户信息</param> 80         /// <param name="msg">具体信息</param> 81         public static void Error(string msg, string userInfo = "") 82         { 83             string info = string.Empty; 84             if (userInfo != "") 85             { 86                 info = userInfo; 87             } 88             info = info + "\r\n" + msg; 89             logger.Error(info); 90  91         } 92  93  94  95         /// <summary> 96         /// 记录异常信息 97         /// </summary> 98         /// <param name="userInfo">用户信息</param> 99         /// <param name="ex">具体异常</param>100         public static void Error(Exception ex, string userInfo = "")101         {102             string info = "";103             if (userInfo != "")104             {105                 info =   userInfo;106             }107             info =  info+"\r\n" + ErrorDetails(ex);108             logger.Error(info);109 110         }111 112         /// <summary>113         /// 将异常转成字符串114         /// </summary>115         /// <param name="ex"></param>116         /// <returns></returns>117         private static string ErrorDetails(Exception ex)118         {119             StringBuilder sb = new StringBuilder();120             int count = 0;121             string appString = "";122             while (ex != null)123             {124                 if (count > 0)125                 {126                     appString += "　";127                 }128                 sb.AppendLine(appString + " <br>异常消息：" + ex.Message);129                 sb.AppendLine(appString + " <br>异常类型：" + ex.GetType().FullName);130               //  sb.AppendLine(appString + " <br>异常方法：" + (ex.TargetSite == null ? null : ex.TargetSite.Name));131                 sb.AppendLine(appString + " <br>异常源：" + ex.Source);132                 if (ex.StackTrace != null)133                 {134                     sb.AppendLine(appString + "<br>异常堆栈：" + ex.StackTrace);135                 }136                 if (ex.InnerException != null)137                 {138                     sb.AppendLine(appString + "<br>内部异常：");139                     count++;140                 }141                 ex = ex.InnerException;142             }143 144             return sb.ToString().Replace("位置:", "<br>位置");145         }146 147         #endregion148 149         #region "等级5-Fatal "150 151 152 153         /// <summary>154         /// 记录致命错误155         /// </summary>156         /// <param name="userInfo">用户信息</param>157         /// <param name="msg">具体信息</param>158         public static void Fatal(string msg, string userInfo = "")159         {160             string info = string.Empty;161             if (userInfo != "")162             {163                 info = userInfo;164             }165             info = info + "\r\n" + msg;166             logger.Fatal(info);167 168         }169 170         #endregion171     }