1 //1。 安装log4net 包
2
3 //2。 新建 LoggerHelper 类
4
5 [assembly: log4net.Config.XmlConfigurator()]
6 namespace WebAPI.Common
7 {
8 public class LoggerHelper
9 {
10 /// <summary>
11 /// 输出日志到Log4Net
12 /// </summary>
13 /// <param name="t"></param>
14 /// <param name="ex"></param>
15 #region static void WriteLog(Type t, Exception ex)
16
17 public static void WriteLog(Type t, Exception ex)
18 {
19 log4net.ILog log = log4net.LogManager.GetLogger(t);
20 log.Error("Error", ex);
21 }
22
23 #endregion
24
25 /// <summary>
26 /// 输出日志到Log4Net
27 /// </summary>
28 /// <param name="t"></param>
29 /// <param name="msg"></param>
30 #region static void WriteLog(Type t, string msg)
31
32 public static void WriteLog(Type t, string msg)
33 {
34 log4net.ILog log = log4net.LogManager.GetLogger(t);
35 log.Error(msg);
36 }
37
38 #endregion
39 }
40 }
41
42 //3。 在web.cofig 中加入如下配置
43 <configuration>
44 <configSections>
45 <section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net"/>
46 </configSections>
47 <log4net>
48 <appender name="rollingFile" type="log4net.Appender.RollingFileAppender,log4net">
49 <param name="File" value="log/" />
50 <param name="AppendToFile" value="true" />
51 <param name="RollingStyle" value="Date" />
52 <param name="DatePattern" value="yyyy\yyyyMM\yyyyMMdd'.txt'" />
53 <param name="staticLogFileName" value="false" />
54 <param name="MaxSizeRollBackups" value="100" />
55 <layout type="log4net.Layout.PatternLayout">
56 <param name="ConversionPattern" value="%newline %nDate：%date %ThreadID:[%thread] %nLevel： %-5level %nErrorClass：%logger property: [%property{NDC}] - %nError Description：%message%newline %n" />
57 </layout>
58 </appender>
59 <root>
60 <level value="ALL" />
61 <appender-ref ref="rollingFile" />
62 </root>
63 </log4net>
64
65 </configuration>
66
67 //4。在调用其它类（StudentController）中调用logger
68
69 LoggerHelper.WriteLog(typeof(StudentController), "ErrorMessage");
70
71
72 //5. 执行log代码时，会在项目文件中新建Log文件夹，记录txt文件log
