C#创建日志通用类<包含log4net日志和特殊日志（年/月/日/文件

public

class

LogerHelper

{

public

LogerHelper()

{

SetConfig();

}

private

static

ILog loginfo = LogManager.GetLogger(

"myLogger"

);

private

static

void

SetConfig()

{

log4net.Config.XmlConfigurator.ConfigureAndWatch(

new

System.IO.FileInfo(

"Configs/Log4net.xml"

) );

}

private

static

bool

IsLoadConfig =

false

;

/// <summary>

/// 记录日志

/// </summary>

/// <param name="info">提示信息</param>

public

static

void

WriteLog(

string

info )

{

if

(!IsLoadConfig)

{

SetConfig();

IsLoadConfig =

true

;

}

if

(loginfo.IsInfoEnabled)

{

loginfo.Info( info );

}

}

/// <summary>

/// 记录异常

/// </summary>

/// <param name="info">错误</param>

/// <param name="ex">Exception</param>

public

static

void

WriteLog(

string

info,Exception ex )

{

if

(!IsLoadConfig)

{

SetConfig();

IsLoadConfig =

true

;

}

if

(loginfo.IsErrorEnabled)

{

loginfo.Error( info,ex );

}

}

/// <summary>

/// 一天一个日志

/// 生成方式：目录：Error/年/月/日/文件名.log

/// </summary>

/// <param name="message"></param>

public

static

void

LogToFile(

string

message )

{

try

{

DirectoryInfo dir;

//修改记录日志为C盘根目录，并且注释判断当前程序目录内是否存在log日志文件夹

if

(!Directory.Exists(

"Error"

))

{

dir = Directory.CreateDirectory(

"Error"

);

dir.Create();

}

else

{

if

(!Directory.Exists(

@"Error/"

+ DateTime.Today.Year.ToString() +

"/"

+ DateTime.Today.Month.ToString() +

"/"

+ DateTime.Today.Day.ToString() ))

{

Directory.CreateDirectory(

@"Error/"

+ DateTime.Today.Year.ToString() +

"/"

+ DateTime.Today.Month.ToString() +

"/"

+ DateTime.Today.Day.ToString() );

}

}

using

(StreamWriter writer =

new

StreamWriter(

@"Error/"

+ DateTime.Today.Year.ToString() +

"/"

+ DateTime.Today.Month.ToString() +

"/"

+ DateTime.Today.Day.ToString() +

"/更新的接警单编号.log"

,

true

))

{

try

{

writer.Write(

"时间:t"

+ DateTime.Now.ToString() +

"t t t t"

);

writer.WriteLine( message );

//writer.WriteLine( Environment.NewLine );

writer.Flush();

writer.Close();

}

catch

(Exception exec)

{

WriteLog(

"写入错误"

,exec );

writer.Dispose();

}

}

}

catch

(Exception ex)

{

WriteLog(

"创建错误"

,ex );

}

}

}

//用的方法如下：

LogerHelper.LogToFile(

"创建日志"

); 

//这个将生成诸如这样的Error/年/月/日/文件名.log的日志LogerHelper.WriteLog("单独的日志");

//这个将写入到Error/log.log文件夹下，只记录一个单独的infoLogerHelper.WriteLog("单独的日志",ex);

//这个也将写入到Error/log.log文件夹下，记录单独的info，和一个异常信息//注意：此方法在winform里边是不用配置log4net的节点的，可以将附件中的log4net