web.config
<system.webServer>
...
<staticContent>
<mimeMap fileExtension=".log" mimeType="text/plain;charset=GBK" />
</staticContent>
</system.webServer>
<appSettings>
...
<add key="log4net" value="\log4net.config" />
</appSettings>
log4net.config
<?xml version="1.0" encoding="utf-8"?>
<configuration>
<configuration>
<configSections>
<section name="log4net" type="log4net.Config.Log4NetConfigurationSectionHandler, log4net, Version=1.2.11.0, Culture=neutral, PublicKeyToken=1B44E1D426115821" />
</configSections>
<log4net>
<root>
<level value="DEBUG"/>
<!--根据log级别记录到不同的日志文件-->
<appender-ref ref="InfoLog" />
<appender-ref ref="WarnLog" />
<appender-ref ref="ErrorLog" />
</root>
<appender name="InfoLog" type="log4net.Appender.RollingFileAppender">
<!--INFO、DEBUG级别的日志文件路径,根据自己的需要修改-->
<file value="Log\info.log" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<datePattern value=".yyyyMMdd" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<levelMin value="DEBUG" />
<levelMax value="INFO" />
</filter>
</appender>
<appender name="WarnLog" type="log4net.Appender.RollingFileAppender">
<!--WARN级别的日志文件路径,根据自己的需要修改-->
<file value="Log\warn.log" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<datePattern value=".yyyyMMdd" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<levelMin value="WARN" />
<levelMax value="WARN" />
</filter>
</appender>
<appender name="ErrorLog" type="log4net.Appender.RollingFileAppender">
<!--ERROR级别的日志文件路径,根据自己的需要修改-->
<file value="Log\error.log" />
<appendToFile value="true" />
<rollingStyle value="Date" />
<datePattern value=".yyyyMMdd" />
<layout type="log4net.Layout.PatternLayout">
<conversionPattern value="%date [%thread] %-5level %logger - %message%newline" />
</layout>
<filter type="log4net.Filter.LevelRangeFilter">
<levelMin value="ERROR" />
<levelMax value="ERROR" />
</filter>
</appender>
</log4net>
</configuration>
<system.web>
<compilation debug="true" targetFramework="4.0" />
</system.web>
</configuration>
LogService
public static class LogService
{
public static readonly ILog logger = null;
static readonly string path = System.Configuration.ConfigurationManager.AppSettings["log4net"];
static LogService()
{
string fileName = HttpContext.Current.Server.MapPath("~").TrimEnd('\\') + path;
System.IO.FileInfo fileInfo = new System.IO.FileInfo(fileName);
log4net.Config.XmlConfigurator.ConfigureAndWatch(fileInfo);
log4net.Config.XmlConfigurator.Configure();
logger = LogManager.GetLogger("LogWritter");
}
public static void Warn(object message)
{
logger.Warn(message);
}
public static void Info(string message)
{
logger.Info(message);
}
public static void Error(string message)
{
logger.Info(message);
}
public static void Error(Exception exception)
{
logger.Error(FlattenException(exception));
}
public static string FlattenException(Exception exception)
{
var stringBuilder = new StringBuilder();
while (exception != null)
{
stringBuilder.AppendLine(exception.GetType().FullName);
stringBuilder.AppendLine(exception.Message);
stringBuilder.AppendLine(exception.StackTrace);
exception = exception.InnerException;
}
return stringBuilder.ToString();
}
}
Global.asax
protected void Application_Error(object sender, EventArgs e)
{
HttpServerUtility server = HttpContext.Current.Server;
// ...
// Use HttpContext.Current to get a Web request processing helper
Exception exception = server.GetLastError();
// Log an exception
LogService.Error(exception);
#if !DEBUG
Server.ClearError();
Response.Redirect("/error.html");
Response.End();
#endif
}
ExceptionHandling
[AttributeUsage(AttributeTargets.All, AllowMultiple = false, Inherited = true)]
public class ExceptionHandlingAttribute : ExceptionFilterAttribute
{
/// <summary>
/// http://stackoverflow.com/questions/21580861/how-to-return-json-for-errors-outside-the-webapi-pipeline
/// </summary>
/// <param name="context"></param>
public override void OnException(HttpActionExecutedContext context)
{
// Log an exception
LogService.Error(context.Exception);
ErrResponse err;
if (context.Exception is BllException)
{
var bex = context.Exception as BllException;
err = new ErrResponse(bex.ErrorCode, bex.ErrorMsg);
}
else
{
err = new ErrResponse(404, context.Exception.Message);
}
context.Response = context.Request.CreateResponse(HttpStatusCode.OK, err);
base.OnException(context);
}
}
Global.asax
protected void Application_Error(object sender, EventArgs e)
{
HttpServerUtility server = HttpContext.Current.Server;
// ...
// Use HttpContext.Current to get a Web request processing helper
Exception exception = server.GetLastError();
// Log an exception
LogService.Error(exception);
#if !DEBUG
Server.ClearError();
Response.Redirect("/error.html");
Response.End();
#endif
}
AssemblyInfo.cs
[assembly: log4net.Config.XmlConfigurator(ConfigFile = "log4net.config", Watch = true)]
**粗体** _斜体_ [链接](http://example.com) `代码` - 列表 > 引用
。你还可以使用@
来通知其他用户。