这是我写的第一个关于Logger的实例程序：
Codeusing System;
using System.Collections.Generic;
using System.Text;
using System.Diagnostics;
using Microsoft.Practices.EnterpriseLibrary.Common;
using Microsoft.Practices.EnterpriseLibrary.Logging;
using Microsoft.Practices.EnterpriseLibrary.Logging.Configuration;
using Microsoft.Practices.EnterpriseLibrary.Logging.ExtraInformation;
using Microsoft.Practices.EnterpriseLibrary.Logging.Filters;
namespace LoggerExample
{
class Program
{
static void Main(string[] args)
{
LogEntry logEntry = new LogEntry();
logEntry.EventId = 100;
logEntry.Priority = 2;
logEntry.Message = "Sample message";
// logEntry.Categories.Add("UI Events");
// logEntry.Severity = TraceEventType.Information;
// logEntry.Priority = 5;
Logger.Write(logEntry);
Console.WriteLine("The logger has been recorded.");
Console.ReadLine();
}
}
}
其中参考了：http://blog.csdn.net/snlei/archive/2008/03/07/2155925.aspx
http://www.devx.com/dotnet/Article/36184/0/page/1
http://blog.csdn.net/flyingdream123/archive/2009/01/31/3855542.aspx
还有TerryLee的文章。
重点不在程序如何去写，关键是配置文件，使用微软自带的工具，可以很方便的编辑配置文件：
Code1
<configuration>2
<configSections>3
<section name="loggingConfiguration" type="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.LoggingSettings, Microsoft.Practices.EnterpriseLibrary.Logging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null" />4
</configSections>5
<loggingConfiguration name="Logging Application Block" tracingEnabled="true"6
defaultCategory="General" logWarningsWhenNoCategoriesMatch="true">7
<listeners>8
<add fileName="MyTrace.log" header="----------------------------------------"9
footer="----------------------------------------" formatter="Text Formatter"10
listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.FlatFileTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null"11
traceOutputOptions="DateTime" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FlatFileTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null"12
name="FlatFile TraceListener" />13
<add source="Enterprise Library Logging" formatter="Text Formatter"14
log="Application" machineName="" listenerDataType="Microsoft.Practices.EnterpriseLibrary.Logging.Configuration.FormattedEventLogTraceListenerData, Microsoft.Practices.EnterpriseLibrary.Logging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null"15
traceOutputOptions="DateTime" type="Microsoft.Practices.EnterpriseLibrary.Logging.TraceListeners.FormattedEventLogTraceListener, Microsoft.Practices.EnterpriseLibrary.Logging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null"16
name="EventLog TraceListener" />17
</listeners>18
<formatters>19
<add template="Timestamp: {timestamp}
Message: {message}
Category: {category}
Priority: {priority}
EventId: {eventid}
Severity: {severity}
Title:{title}
Machine: {machine}
Application Domain: {appDomain}
Process Id: {processId}
Process Name: {processName}
Win32 Thread Id: {win32ThreadId}
Thread Name: {threadName}
Extended Properties: {dictionary({key} - {value}
)}"20
type="Microsoft.Practices.EnterpriseLibrary.Logging.Formatters.TextFormatter, Microsoft.Practices.EnterpriseLibrary.Logging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null"21
name="Text Formatter" />22
</formatters>23
<logFilters>24
<add categoryFilterMode="AllowAllExceptDenied" type="Microsoft.Practices.EnterpriseLibrary.Logging.Filters.CategoryFilter, Microsoft.Practices.EnterpriseLibrary.Logging, Version=2.0.0.0, Culture=neutral, PublicKeyToken=null"25
name="My Category Filters" />26
</logFilters>27
<categorySources>28
<add switchValue="All" name="General">29
<listeners>30
<add name="FlatFile TraceListener" />31
<add name="EventLog TraceListener" />32
</listeners>33
</add>34
</categorySources>35
<specialSources>36
<allEvents switchValue="All" name="All Events" />37
<notProcessed switchValue="All" name="Unprocessed Category" />38
<errors switchValue="All" name="Logging Errors & Warnings">39
<listeners>40
<add name="FlatFile TraceListener" />41
</listeners>42
</errors>43
</specialSources>44
</loggingConfiguration>45
</configuration>