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1.日志部分
首先是一个日志接口
public interface ILogger
{
/// <summary>
/// 检查level级别的日志是否启用
/// </summary>
/// <param name="level">日志级别<seealso cref="T:Rosefinch.Core.Logging.LogLevel" /></param>
/// <returns>如果启用返回true，否则返回false</returns>
bool IsEnabled(LogLevel level);
/// <summary>
/// 记录level级别的日志
/// </summary>
/// <param name="level">日志级别<seealso cref="T:Rosefinch.Core.Logging.LogLevel" /></param>
/// <param name="message">需记录的内容</param>
void Log(LogLevel level, object message);
/// <summary>
/// 记录level级别的日志
/// </summary>
/// <param name="level">日志级别<seealso cref="T:Rosefinch.Core.Logging.LogLevel" /></param>
/// <param name="message">需记录的内容</param>
/// <param name="exception">异常</param>
void Log(LogLevel level, Exception exception, object message);
/// <summary>
/// 记录level级别的日志
/// </summary>
/// <param name="level">日志级别<seealso cref="T:Rosefinch.Core.Logging.LogLevel" /></param>
/// <param name="format">需记录的内容格式<see cref="M:System.String.Format(System.String,System.Object[])" /></param>
/// <param name="args">替换format占位符的参数</param>
void Log(LogLevel level, string format, params object[] args);
接着是日志工厂接口
public interface ILoggerFactory
{
/// <summary>
/// 依据LoggerName获取<see cref="T:Rosefinch.Core.Logging.ILogger" />
/// </summary>
/// <param name="loggerName">日志名称（例如：log4net的logger配置名称）</param>
/// <returns><see cref="T:Rosefinch.Core.Logging.ILogger" /></returns>
ILogger GetLogger(string loggerName);
/// <summary>
/// 依据LoggerName获取<see cref="T:Rosefinch.Core.Logging.ILogger" />
/// </summary>
/// <returns><see cref="T:Rosefinch.Core.Logging.ILogger" /></returns>
ILogger GetLogger();
}
日志等级枚举
public enum LogLevel
{
Debug,
Information,
Warning,
Error,
Fatal
}
日志的实现
using log4net;
/// <summary>
/// 用Log4Net实现的ILogger
/// </summary>
public class Log4NetLogger : ILogger
{
private ILog log;
internal Log4NetLogger(ILog log)
{
this.log = log;
}
/// <summary>
/// 检查level级别的日志是否启用
/// </summary>
/// <param name="level">日志级别<seealso cref="T:Rosefinch.Core.Logging.LogLevel" /></param>
/// <returns>如果启用返回true，否则返回false</returns>
public bool IsEnabled(LogLevel level)
{
switch (level)
{
case LogLevel.Debug:
return this.log.IsDebugEnabled;
case LogLevel.Information:
return this.log.IsInfoEnabled;
case LogLevel.Warning:
return this.log.IsWarnEnabled;
case LogLevel.Error:
return this.log.IsErrorEnabled;
case LogLevel.Fatal:
return this.log.IsFatalEnabled;
default:
return false;
}
}
/// <summary>
/// 记录level级别的日志
/// </summary>
/// <param name="level">日志级别<seealso cref="T:Rosefinch.Core.Logging.LogLevel" /></param>
/// <param name="message">需记录的内容</param>
public void Log(LogLevel level, object message)
{
if (!this.IsEnabled(level))
{
return;
}
switch (level)
{
case LogLevel.Debug:
this.log.Debug(message);
return;
case LogLevel.Information:
this.log.Info(message);
return;
case LogLevel.Warning:
this.log.Warn(message);
return;
case LogLevel.Error:
this.log.Error(message);
return;
case LogLevel.Fatal:
this.log.Fatal(message);
return;
default:
return;
}
}
/// <summary>
/// 记录level级别的日志
/// </summary>
/// <param name="level">日志级别<seealso cref="T:Rosefinch.Core.Logging.LogLevel" /></param>
/// <param name="message">需记录的内容</param>
/// <param name="exception">异常</param>
public void Log(LogLevel level, System.Exception exception, object message)
{
if (!this.IsEnabled(level))
{
return;
}
switch (level)
{
case LogLevel.Debug:
this.log.Debug(message, exception);
return;
case LogLevel.Information:
this.log.Info(message, exception);
return;
case LogLevel.Warning:
this.log.Warn(message, exception);
return;
case LogLevel.Error:
this.log.Error(message, exception);
return;
case LogLevel.Fatal:
this.log.Fatal(message, exception);
return;
default:
return;
}
}
/// <summary>
/// 记录level级别的日志
/// </summary>
/// <param name="level">日志级别<seealso cref="T:Rosefinch.Core.Logging.LogLevel" /></param>
/// <param name="format">需记录的内容格式<see cref="M:System.String.Format(System.String,System.Object[])" /></param>
/// <param name="args">替换format占位符的参数</param>
public void Log(LogLevel level, string format, params object[] args)
{
if (!this.IsEnabled(level))
{
return;
}
switch (level)
{
case LogLevel.Debug:
this.log.DebugFormat(format, args);
return;
case LogLevel.Information:
this.log.InfoFormat(format, args);
return;
case LogLevel.Warning:
this.log.WarnFormat(format, args);
return;
case LogLevel.Error:
this.log.ErrorFormat(format, args);
return;
case LogLevel.Fatal:
this.log.FatalFormat(format, args);
return;
default:
return;
}
}
日志工厂的实现
public class Log4NetFactory:ILoggerFactory
{
private static bool _isConfigLoaded;
/// <summary>
/// 构造函数（默认加载"~/Config/log4net.config"作为log4net配置文件）
/// </summary>
public Log4NetFactory()
: this("~/Config/log4net.config")
{
}
/// <summary>
/// 构造函数
/// </summary>
/// <param name="configFilename">
/// <remarks>
/// <para>log4net配置文件路径，支持以下格式：</para>
/// <list type="bullet">
/// <item>~/config/log4net.config</item>
/// <item>~/web.config</item>
/// <item>c:\abc\log4net.config</item>
/// </list>
/// </remarks>
/// </param>
public Log4NetFactory(string configFilename)
{
if (!_isConfigLoaded)
{
if (string.IsNullOrEmpty(configFilename))
{
configFilename = "~/Config/log4net.config";
}
System.IO.FileInfo fileInfo = new System.IO.FileInfo(WebUtility.GetPhysicalFilePath(configFilename));
if (!fileInfo.Exists)
{
throw new ApplicationException(string.Format("log4net配置文件 {0} 未找到", fileInfo.FullName));
}
XmlConfigurator.Configure(fileInfo);
_isConfigLoaded = true;
}
}
/// <summary>
/// 依据LoggerName获取<see cref="T:Rosefinch.Core.Logging.ILogger" />
/// </summary>
/// <param name="loggerName">日志名称（例如：log4net的logger配置名称）</param>
/// <returns><see cref="T:Rosefinch.Core.Logging.ILogger" /></returns>
public ILogger GetLogger(string loggerName)
{
return new Log4NetLogger(LogManager.GetLogger(loggerName));
}
public ILogger GetLogger()
{
return new Log4NetLogger(LogManager.GetLogger("Rosefinch"));
}
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原文地址：http://www.cnblogs.com/LiYiPeng2015/p/4549435.html
