blocks|key|1457704|text|Which+logging+library+is+better?提到了以下内容，其中只有最后两个是免费的。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|1457705|1457706|CodeSite|unordered-list-item|1457707|SmartInspect|1457708|Log4Delphi|1457709|TraceFormat|1457710|1457711|entityMap|0|LINK|mutability|MUTABLE|url|https://stackoverflow.com/questions/72983/which-logging-library-is-better|1|http://www.raize.com/devtools/codesite/|2|http://www.gurock.com/products/smartinspect/|3|http://log4delphi.sourceforge.net/|4|http://tracetool.sourceforge.net/^0|0|W|0|0|0|0|8|1|0|0|C|2|0|0|A|3|0|0|B|4|0|0^^$0|@$1|2|3|4|5|6|7|14|8|@]|9|@$A|15|B|16|1|17]]|C|$]]|$1|D|3|-4|5|6|7|18|8|@]|9|@]|C|$]]|$1|E|3|F|5|G|7|19|8|@]|9|@$A|1A|B|1B|1|1C]]|C|$]]|$1|H|3|I|5|G|7|1D|8|@]|9|@$A|1E|B|1F|1|1G]]|C|$]]|$1|J|3|K|5|G|7|1H|8|@]|9|@$A|1I|B|1J|1|1K]]|C|$]]|$1|L|3|M|5|G|7|1L|8|@]|9|@$A|1M|B|1N|1|1O]]|C|$]]|$1|N|3|-4|5|6|7|1P|8|@]|9|@]|C|$]]|$1|O|3|-4|5|6|7|1Q|8|@]|9|@]|C|$]]]|P|$Q|$5|R|S|T|C|$U|V]]|W|$5|R|S|T|C|$U|X]]|Y|$5|R|S|T|C|$U|Z]]|10|$5|R|S|T|C|$U|11]]|12|$5|R|S|T|C|$U|13]]]]

<a href="https://stackoverflow.com/questions/72983/which-logging-library-is-better">Which logging library is better?</a> mentions the following of which only the last two are free.

<ul>
<li><a href="http://www.raize.com/devtools/codesite/" rel="nofollow noreferrer">CodeSite</a></li>
<li><a href="http://www.gurock.com/products/smartinspect/" rel="nofollow noreferrer">SmartInspect</a></li>
<li><a href="http://log4delphi.sourceforge.net/" rel="nofollow noreferrer">Log4Delphi</a></li>
<li><a href="http://tracetool.sourceforge.net/" rel="nofollow noreferrer">TraceFormat</a></li>
</ul>

blocks|key|156188|text|我知道它不是免费的--但物有所值:+Raize+Software的CodeSite。质量有价！:-)|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|156189|我一直很喜欢使用CodeSite，特别是能够将几乎任何类型的对象添加到日志中，而不需要大量转换为字符串格式，这通常非常有用。|156190|再说一次:不是免费的，但如果您真的认真对待生产质量的日志记录和查看这些日志，那么它的价格是值得的。|156191|Marc|156192|entityMap|0|LINK|mutability|MUTABLE|url|http://www.raize.com/DevTools/CodeSite/Default.asp^0|X|8|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@$A|S|B|T|1|U]]|C|$]]|$1|D|3|E|5|6|7|V|8|@]|9|@]|C|$]]|$1|F|3|G|5|6|7|W|8|@]|9|@]|C|$]]|$1|H|3|I|5|6|7|X|8|@]|9|@]|C|$]]|$1|J|3|-4|5|6|7|Y|8|@]|9|@]|C|$]]]|K|$L|$5|M|N|O|C|$P|Q]]]]

I know it's not free - but well worth it's money: <a href="http://www.raize.com/DevTools/CodeSite/Default.asp" rel="noreferrer">CodeSite</a> by Raize Software. Quality has its price! :-)

I always enjoyed working with CodeSite, especially the ability to add just about any type of objects to the log without huge conversions to a string format was often very helpful.

Again: not free, but worth its price in gold, if you really are serious about production-quality logging and viewing of those logs.

Marc

blocks|key|1186440|text|我已经被授予了更新休眠Log4Delphi项目的权限，我已经在Source-forge上提供了4年的错误修复和补丁到最新的0.8版本中。我在生产中使用了这个库，并发现它非常稳定、可靠和易于使用。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|1186441|Log4Delphi+Downloads+Page|offset|length|1186442|entityMap|0|LINK|mutability|MUTABLE|url|https://sourceforge.net/projects/log4delphi/files/^0|0|0|P|0|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|O|8|@]|9|@$D|P|E|Q|1|R]]|A|$]]|$1|F|3|-4|5|6|7|S|8|@]|9|@]|A|$]]]|G|$H|$5|I|J|K|A|$L|M]]]]

I have been granted access to update the dormant Log4Delphi project and I have rolled up 4 years of bugfixes and patches into the latest 0.8 release available on Source-forge. I use this library in production and have found it to very stable and reliable and easy to use.

<a href="https://sourceforge.net/projects/log4delphi/files/" rel="noreferrer">Log4Delphi Downloads Page</a>

blocks|key|155624|text|我也是CodeSite的铁杆粉丝，但是如果你正在寻找免费的，使用Delphi+IDE或DebugView+from+SysInternals的OutputDebugString怎么样？|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|155625|entityMap|0|LINK|mutability|MUTABLE|url|http://technet.microsoft.com/en-us/sysinternals/bb896647.aspx^0|17|R|0|0^^$0|@$1|2|3|4|5|6|7|L|8|@]|9|@$A|M|B|N|1|O]]|C|$]]|$1|D|3|-4|5|6|7|P|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]]]

I'm a big fan of CodeSite, too, but if you're looking for free, how about OutputDebugString with either the Delphi IDE or <a href="http://technet.microsoft.com/en-us/sysinternals/bb896647.aspx" rel="nofollow noreferrer">DebugView from SysInternals</a>.

blocks|key|156220|text|Codesite的另一个替代方案是Overseer，它是开源的，是nexus+project的一部分，但它是独立的，所以不需要你使用他们的框架。|type|unstyled|depth|inlineStyleRanges|entityRanges|offset|length|data|156221|entityMap|0|LINK|mutability|MUTABLE|url|http://sourceforge.net/projects/nexusproject/files/overseer/1.4.0/overseer-1.4.0.zip/download|1|http://sourceforge.net/projects/nexusproject^0|H|8|0|X|D|1|0^^$0|@$1|2|3|4|5|6|7|N|8|@]|9|@$A|O|B|P|1|Q]|$A|R|B|S|1|T]]|C|$]]|$1|D|3|-4|5|6|7|U|8|@]|9|@]|C|$]]]|E|$F|$5|G|H|I|C|$J|K]]|L|$5|G|H|I|C|$J|M]]]]

Another alternative to Codesite is <a href="http://sourceforge.net/projects/nexusproject/files/overseer/1.4.0/overseer-1.4.0.zip/download" rel="nofollow noreferrer">Overseer</a> which is open sourced and part of the <a href="http://sourceforge.net/projects/nexusproject" rel="nofollow noreferrer">nexus project</a>, but stands alone so does not require you to use their framework.

blocks|key|156309|text|记录器库不应该同步地转储内容。这会降低应用程序的运行速度。相反，它需要缓冲内容，并在刷新时将其转储。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|156310|它还应该是线程安全的，并且能够转储来自不同线程的内容。(并且最好也能够记录线程ID+)|156311|它还应该是灵活的，并且能够记录多种输出格式。|156312|这里有一个库可以完成所有这些任务：loggerpro|offset|length|156313|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/danieleteti/loggerpro^0|0|0|0|H|9|0|0^^$0|@$1|2|3|4|5|6|7|R|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|S|8|@]|9|@]|A|$]]|$1|D|3|E|5|6|7|T|8|@]|9|@]|A|$]]|$1|F|3|G|5|6|7|U|8|@]|9|@$H|V|I|W|1|X]]|A|$]]|$1|J|3|-4|5|6|7|Y|8|@]|9|@]|A|$]]]|K|$L|$5|M|N|O|A|$P|Q]]]]

A logger library shouldn't dump the contents synchronously. That will slow down the application. Instead, it needs to buffer the contents and dump them when it is flushed. 

It should also be thread-safe and able to dump the contents from different threads. (And preferably be able to log the thread ID as well) 

It should also be flexible and able to log multiple output formats.

Here's a library which does all this: <a href="https://github.com/danieleteti/loggerpro" rel="nofollow noreferrer">loggerpro</a>

blocks|key|4403313|text|还有另一个用于的新日志记录框架，它将放在一个文件+(nxlogging.pas)中。nxlogging是一组很好的轻量级且功能强大的类，如log4d+(附加器、格式器)，但使用起来要容易得多。它包括文件附加器(滚动文件，所有文件都在一个文件中，等等)以及tcp附加器，因此您可以将日志转发到中央日志服务器。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|4403314|entityMap^0|I|6|0^^$0|@$1|2|3|4|5|6|7|H|8|@$9|I|A|J|B|C]]|D|@]|E|$]]|$1|F|3|-4|5|6|7|K|8|@]|D|@]|E|$]]]|G|$]]

There is another new logging framework for Delphi, which comes in a single file (nxlogging.pas). nxlogging is a nice lightweight and powerful set of classes like log4d (appenders, formaters), but much easier tu use. It includes file appenders (rolling files, all in a single one, etc...) and a tcp appender too, so you can forward your logs to a central logserver.

blocks|key|1457737|text|在Sourceforge有Log4D，这是用于Delphi的Java+Log4J+logging+framework的另一个端口。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|1457738|Log4D+project+page+at+sourceforge|1457739|它的架构描述可以在CodeCentral和here上找到。|1457740|帮助文件可以在http://cc.embarcadero.com/item/16446上在线获取。|1457741|它目前基于log4j+1.2.12，非常活跃，并且非常容易使用。它包括TLogODSAppender、TLogStreamAppender、TLogFileAppender、TLogRollingFileAppender。|1457742|下面的示例项目创建了一个ODS附加器。如果您在IDE中运行它，日志消息将出现在“事件日志”窗口中。|1457743|program+Log4Dexample;

{$APPTYPE+CONSOLE}

uses
++Log4D,
++SysUtils;

var
++Logger:+TLogLogger;

begin
++try
++++//+basic+configuration+-+creates+a+TLogODSAppender+(ODS+=+OutputDebugString)
++++TLogBasicConfigurator.Configure;

++++//+set+the+log+level
++++TLogLogger.GetRootLogger.Level+:=+Trace;

++++//+create+a+named+logger
++++Logger+:=+TLogLogger.GetLogger('exampleLogger');

++++//+write+log+messages
++++Logger.Fatal('fatal+output');
++++Logger.Error('error+output');
++++Logger.Warn('warn+output');
++++Logger.Info('info+output');
++++Logger.Debug('debug+output');
++++Logger.Trace('trace+output');

++++ReadLn;

++except
++++on+E:Exception+do
++++begin
++++++Writeln(E.Classname,+':+',+E.Message);
++++++ReadLn;
++++end;
++end;
end.|code-block|syntax|javascript|1457744|编写附加器很简单，下面是一个简单的控制台附加器的示例：|1457745|unit+LogConsoleAppender;

interface

uses
++Log4D;

type
++{+Send+log+messages+to+console+output.+}
++TLogConsoleAppender+=+class(TLogCustomAppender)
++protected
++++procedure+DoAppend(const+Message:+string);+override;
++end;

implementation

{+TLogConsoleAppender+}

procedure+TLogConsoleAppender.DoAppend(const+Message:+string);
begin
++if+IsConsole+then
++++Write(Message);
end;

initialization
++RegisterAppender(TLogConsoleAppender);

end.|1457746|entityMap|0|LINK|mutability|MUTABLE|url|http://logging.apache.org/log4j/|1|http://sourceforge.net/projects/log4d/|2|http://cc.embarcadero.com/item/16445|3|http://mikejustin.wordpress.com/2012/09/12/delphi-and-free-pascal-logging-with-the-log4d-open-source-library/|4|http://cc.embarcadero.com/item/16446^0|D|5|Z|N|0|0|0|X|1|0|9|B|2|L|4|3|0|7|10|4|0|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|1E|8|@$9|1F|A|1G|B|C]]|D|@$9|1H|A|1I|1|1J]]|E|$]]|$1|F|3|G|5|6|7|1K|8|@]|D|@$9|1L|A|1M|1|1N]]|E|$]]|$1|H|3|I|5|6|7|1O|8|@]|D|@$9|1P|A|1Q|1|1R]|$9|1S|A|1T|1|1U]]|E|$]]|$1|J|3|K|5|6|7|1V|8|@]|D|@$9|1W|A|1X|1|1Y]]|E|$]]|$1|L|3|M|5|6|7|1Z|8|@]|D|@]|E|$]]|$1|N|3|O|5|6|7|20|8|@]|D|@]|E|$]]|$1|P|3|Q|5|R|7|21|8|@]|D|@]|E|$S|T]]|$1|U|3|V|5|6|7|22|8|@]|D|@]|E|$]]|$1|W|3|X|5|R|7|23|8|@]|D|@]|E|$S|T]]|$1|Y|3|-4|5|6|7|24|8|@]|D|@]|E|$]]]|Z|$10|$5|11|12|13|E|$14|15]]|16|$5|11|12|13|E|$14|17]]|18|$5|11|12|13|E|$14|19]]|1A|$5|11|12|13|E|$14|1B]]|1C|$5|11|12|13|E|$14|1D]]]]

There is Log4D, another port of the Java <a href="http://logging.apache.org/log4j/" rel="nofollow">Log4J logging framework</a> for Delphi at Sourceforge.

<a href="http://sourceforge.net/projects/log4d/" rel="nofollow">Log4D project page at sourceforge</a>

A description of its architecture can be found on <a href="http://cc.embarcadero.com/item/16445" rel="nofollow">CodeCentral</a> and <a href="http://mikejustin.wordpress.com/2012/09/12/delphi-and-free-pascal-logging-with-the-log4d-open-source-library/" rel="nofollow">here</a>.

Help files are available online at <a href="http://cc.embarcadero.com/item/16446" rel="nofollow">http://cc.embarcadero.com/item/16446</a>.

It is currently based on log4j 1.2.12 and quite active, and very easy to use. It includes TLogODSAppender, TLogStreamAppender, TLogFileAppender, TLogRollingFileAppender. 

The following example project creates a ODS appender. If you run it in the IDE, the log messages will appear in the ‘Event log’ window.

<pre><code>program Log4Dexample;

{$APPTYPE CONSOLE}

uses
 Log4D,
 SysUtils;

var
 Logger: TLogLogger;

begin
 try
 // basic configuration - creates a TLogODSAppender (ODS = OutputDebugString)
 TLogBasicConfigurator.Configure;

 // set the log level
 TLogLogger.GetRootLogger.Level := Trace;

 // create a named logger
 Logger := TLogLogger.GetLogger('exampleLogger');

 // write log messages
 Logger.Fatal('fatal output');
 Logger.Error('error output');
 Logger.Warn('warn output');
 Logger.Info('info output');
 Logger.Debug('debug output');
 Logger.Trace('trace output');

 ReadLn;

 except
 on E:Exception do
 begin
 Writeln(E.Classname, ': ', E.Message);
 ReadLn;
 end;
 end;
end.
</code></pre>

Writing appenders is straightforward, here is an example of a simple console appender:

<pre><code>unit LogConsoleAppender;

interface

uses
 Log4D;

type
 { Send log messages to console output. }
 TLogConsoleAppender = class(TLogCustomAppender)
 protected
 procedure DoAppend(const Message: string); override;
 end;

implementation

{ TLogConsoleAppender }

procedure TLogConsoleAppender.DoAppend(const Message: string);
begin
 if IsConsole then
 Write(Message);
end;

initialization
 RegisterAppender(TLogConsoleAppender);

end.
</code></pre>

can anybody hint me a good, free Delphi logging framework? It should be easy to use and it should support different "log writers" including plain text, database and network.

Good, free Delphi logging framework

翻译质量差，导致语言生硬或混乱。

没有提供实际的解决方法或示例。

解答不清晰，无法理解或解决问题。

页面排版不美观，阅读体验差。

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有人能给我一个好的，免费的Delphi日志框架吗？它应该易于使用，它应该支持不同的“日志写入器”，包括纯文本，数据库和网络。

问优秀的免费Delphi日志框架
EN

回答 8

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