.net core nlog记录日志

 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         #endregion
148 
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         #endregion
171     }