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.NET 日志工具 log4net使用

2018年07月04日  | 移动技术网IT编程  | 我要评论

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1.NuGet安装log4net.

2.修改配置文件

<?xml version="1.0"?>
<configuration>
  <configSections>
    <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler,log4net" />
  </configSections>
  <log4net>
    <!-- OFF, FATAL, ERROR, WARN, INFO, DEBUG, ALL -->
    <!-- Set root logger level to ERROR and its appenders -->
    <root>
      <level value="ALL"/>
      <appender-ref ref="SysAppender"/>
    </root>

    <!-- Print only messages of level DEBUG or above in the packages -->
    <logger name="WebLogger">
      <level value="ALL"/>
    </logger>
    <appender name="SysAppender" type="log4net.Appender.RollingFileAppender,log4net" >
      <param name="File" value="Logger/" />
      <param name="AppendToFile" value="true" />
      <param name="RollingStyle" value="Date" />
      <param name="DatePattern" value=""Logs_"yyyyMMdd".txt"" />
      <param name="StaticLogFileName" value="false" />
      <layout type="log4net.Layout.PatternLayout,log4net">
        <param name="ConversionPattern" value="%d [%t] %-5p %c - %m%n" />
        <param name="Header" value="
----------------------header--------------------------
" />
        <param name="Footer" value="
----------------------footer--------------------------
" />
      </layout>
    </appender>
  </log4net>
</configuration>

3.AssemblyInfo.cs中加入代码

// 日志组件配置

[assembly: log4net.Config.XmlConfigurator(ConfigFile = "Web.config", ConfigFileExtension = "config", Watch = true)]

4.公共类封装方法调用log4net

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Configuration;
 4 using System.Linq;
 5 using System.Web;
 6 
 7 namespace TestLog4Net
 8 {
 9     public class MyLog4NetInfo
10     {
11         private static readonly log4net.ILog log = log4net.LogManager.GetLogger("WebLogger");
12 
13         public MyLog4NetInfo()
14         {
15         }
16 
17         private static void SetConfig()
18         {
19             object o = ConfigurationManager.GetSection("log4net");
20             log4net.Config.XmlConfigurator.Configure(o as System.Xml.XmlElement);
21         }
22 
23         public static void LogInfo(string Message)
24         {
25             if (!log.IsInfoEnabled)
26                 SetConfig();
27             log.Info(Message);
28         }
29 
30         public static void LogInfo(string Message,Exception ex)
31         {
32             if (!log.IsInfoEnabled)
33                 SetConfig();
34             log.Info(Message, ex);
35         }
36 
37         public static void ErrorInfo(string Message)
38         {
39             if (!log.IsInfoEnabled)
40                 SetConfig();
41             log.Error(Message);
42         }
43 
44         public static void DebugInfo(string Message)
45         {
46             if (!log.IsInfoEnabled)
47                 SetConfig();
48             log.Debug(Message);
49         }
50     }
51 }
View Code

5.测试页面Log4NetTest.aspx

 1 <%@ Page Language="C#" AutoEventWireup="true" CodeBehind="Log4NetTest.aspx.cs" Inherits="TestLog4Net.Log4NetTest" %>
 2 
 3 <!DOCTYPE html>
 4 
 5 <html xmlns="http://www.w3.org/1999/xhtml">
 6 <head runat="server">
 7 <meta http-equiv="Content-Type" content="text/html; charset=utf-8"/>
 8     <title></title>
 9 </head>
10 <body>
11     <form id="form1" runat="server">
12         <asp:Button ID="button1" runat="server" Text="Button" OnClick="button1_Click" />
13     </form>
14 </body>
15 </html>
View Code

Log4NetTest.aspx.cs

 1 using System;
 2 using System.Collections.Generic;
 3 using System.Linq;
 4 using System.Web;
 5 using System.Web.UI;
 6 using System.Web.UI.WebControls;
 7 
 8 namespace TestLog4Net
 9 {
10     public partial class Log4NetTest : System.Web.UI.Page
11     {
12         protected void Page_Load(object sender, EventArgs e)
13         {
14 
15         }
16 
17         protected void button1_Click(object sender, EventArgs e)
18         {
19             MyLog4NetInfo.LogInfo("错误日志test");
20             MyLog4NetInfo.LogInfo("错误日志test");
21             MyLog4NetInfo.LogInfo("错误日志test");
22         }
23     }
24 }
View Code

 

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