blocks|key|1651122|text|编辑作为表示4.0.0，这个解决方案显然已经不够了。请查看whirlwin的答案，以获得更新的解决方案。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|CODE|entityRanges|data|1651123|您可以使用app.use(express.logger());|1651124|这里有文档：http://www.senchalabs.org/connect/logger.html|1651125|entityMap|0|LINK|mutability|MUTABLE|url|http://www.senchalabs.org/connect/logger.html^0|0|2|6|5|0|5|Q|0|6|19|0|0^^$0|@$1|2|3|4|5|6|7|S|8|@$9|T|A|U|B|C]|$9|V|A|W|B|D]]|E|@]|F|$]]|$1|G|3|H|5|6|7|X|8|@$9|Y|A|Z|B|D]]|E|@]|F|$]]|$1|I|3|J|5|6|7|10|8|@]|E|@$9|11|A|12|1|13]]|F|$]]|$1|K|3|-4|5|6|7|14|8|@]|E|@]|F|$]]]|L|$M|$5|N|O|P|F|$Q|R]]]]

edit As of express <code>4.0.0</code> this solution is apparently no longer enough. Check out the answer from whirlwin for an updated solution.

You can use <code>app.use(express.logger());</code>

Documented here: <a href="http://www.senchalabs.org/connect/logger.html" rel="noreferrer">http://www.senchalabs.org/connect/logger.html</a>

blocks|key|2727670|text|在较新版本的Express+(编写本报告时为4.0.0)中，记录器不再是Express的一部分，因此必须手动将其作为依赖项来包含。它现在叫做摩根。|type|unstyled|depth|inlineStyleRanges|offset|length|style|BOLD|entityRanges|data|2727671|因此，在package.json中，添加morgan作为依赖项：|CODE|2727672|"dependencies":+{
++...
++"morgan":+"*"
++...
}|code-block|syntax|javascript|2727673|在您的Express配置中，添加：|2727674|app.use(require('morgan')('dev'));|2727675|现在，日志记录应该或多或少地像以前一样工作。:-)|2727676|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/expressjs/morgan^0|M|5|1Y|2|0|0|4|C|0|0|0|0|0^^$0|@$1|2|3|4|5|6|7|11|8|@$9|12|A|13|B|C]]|D|@$9|14|A|15|1|16]]|E|$]]|$1|F|3|G|5|6|7|17|8|@$9|18|A|19|B|H]]|D|@]|E|$]]|$1|I|3|J|5|K|7|1A|8|@]|D|@]|E|$L|M]]|$1|N|3|O|5|6|7|1B|8|@]|D|@]|E|$]]|$1|P|3|Q|5|K|7|1C|8|@]|D|@]|E|$L|M]]|$1|R|3|S|5|6|7|1D|8|@]|D|@]|E|$]]|$1|T|3|-4|5|6|7|1E|8|@]|D|@]|E|$]]]|U|$V|$5|W|X|Y|E|$Z|10]]]]

In newer versions of Express (4.0.0 at the time of writing), the logger is no longer part of Express, so you have to include it as a dependency manually. It is now called <a href="https://github.com/expressjs/morgan">morgan</a>.

So, in <code>package.json</code>, add morgan as a dependency:

<pre><code>"dependencies": {
 ...
 "morgan": "*"
 ...
}
</code></pre>

And in your Express configuration, add:

<pre><code>app.use(require('morgan')('dev'));
</code></pre>

Now logging should work more or less like before. :-)

blocks|key|2727704|text|到目前为止，大多数中间件(如记录器)不再与express捆绑，必须单独安装。|type|unstyled|depth|inlineStyleRanges|entityRanges|data|2727705|简单回答:首先，安装morgan|offset|length|style|CODE|2727706|npm+install+morgan|code-block|syntax|javascript|2727707|然后将其用于日志记录：|2727708|app+=+express();
var+morgan++=+require('morgan')
...
app.use(morgan('combined'))|2727709|文档是这里。|2727710|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/expressjs/morgan^0|0|A|6|0|0|0|0|3|2|0|0^^$0|@$1|2|3|4|5|6|7|10|8|@]|9|@]|A|$]]|$1|B|3|C|5|6|7|11|8|@$D|12|E|13|F|G]]|9|@]|A|$]]|$1|H|3|I|5|J|7|14|8|@]|9|@]|A|$K|L]]|$1|M|3|N|5|6|7|15|8|@]|9|@]|A|$]]|$1|O|3|P|5|J|7|16|8|@]|9|@]|A|$K|L]]|$1|Q|3|R|5|6|7|17|8|@]|9|@$D|18|E|19|1|1A]]|A|$]]|$1|S|3|-4|5|6|7|1B|8|@]|9|@]|A|$]]]|T|$U|$5|V|W|X|A|$Y|Z]]]]

As of now, most middleware (like logger) is no longer bundled with express and must be installed separately.

Short answer:
First, install <code>morgan</code>:

<pre><code>npm install morgan
</code></pre>

Then use it for logging:

<pre><code>app = express();
var morgan = require('morgan')
...
app.use(morgan('combined'))
</code></pre>

Documentation is <a href="https://github.com/expressjs/morgan" rel="noreferrer">here</a>.

blocks|key|2727751|text|它不是内置的，但是非常容易配置。您可以使用特快-温斯顿并将其添加到快速中间件堆栈中。morgan+不允许记录请求主体。但是expressWinston有：|type|unstyled|depth|inlineStyleRanges|offset|length|style|CODE|entityRanges|data|2727752|expressWinston.requestWhitelist.push('body');
expressWinston.responseWhitelist.push('body');|code-block|syntax|javascript|2727753|coffeescript中的示例：|2727754|expressWinston.requestWhitelist.push('body')
expressWinston.responseWhitelist.push('body')
app.use(expressWinston.logger({
++++++transports:+[
++++++++new+winston.transports.Console({
++++++++++json:+true,
++++++++++colorize:+true
++++++++})
++++++],
++++++meta:+true,+//+optional:+control+whether+you+want+to+log+the+meta+data+about+the+request+(default+to+true)
++++++msg:+"HTTP+{{req.method}}+{{req.url}}",+//+optional:+customize+the+default+logging+message.+E.g.+"{{res.statusCode}}+{{req.method}}+{{res.responseTime}}ms+{{req.url}}"
++++++expressFormat:+true,+//+Use+the+default+Express/morgan+request+formatting,+with+the+same+colors.+Enabling+this+will+override+any+msg+and+colorStatus+if+true.+Will+only+output+colors+on+transports+with+colorize+set+to+true
++++++colorStatus:+true,+//+Color+the+status+code,+using+the+Express/morgan+color+palette+(default+green,+3XX+cyan,+4XX+yellow,+5XX+red).+Will+not+be+recognized+if+expressFormat+is+true
++++++ignoreRoute:+function+(req,+res)+{+return+false;+}+//+optional:+allows+to+skip+some+log+messages+based+on+request+and/or+response
++++}));|2727755|entityMap|0|LINK|mutability|MUTABLE|url|https://github.com/bithavoc/express-winston/blob/master/Readme.md|1|https://github.com/expressjs/morgan/issues/32^0|16|6|L|6|0|1D|A|1|0|0|0|0^^$0|@$1|2|3|4|5|6|7|Y|8|@$9|Z|A|10|B|C]]|D|@$9|11|A|12|1|13]|$9|14|A|15|1|16]]|E|$]]|$1|F|3|G|5|H|7|17|8|@]|D|@]|E|$I|J]]|$1|K|3|L|5|6|7|18|8|@]|D|@]|E|$]]|$1|M|3|N|5|H|7|19|8|@]|D|@]|E|$I|J]]|$1|O|3|-4|5|6|7|1A|8|@]|D|@]|E|$]]]|P|$Q|$5|R|S|T|E|$U|V]]|W|$5|R|S|T|E|$U|X]]]]

It's not built in but really easy to configure. You can use <a href="https://github.com/bithavoc/express-winston/blob/master/Readme.md" rel="nofollow">express-winston</a> and add to the express middleware stack. <code>morgan</code> <a href="https://github.com/expressjs/morgan/issues/32" rel="nofollow">does not let you log the request body</a> but expressWinston does:

<pre><code>expressWinston.requestWhitelist.push('body');
expressWinston.responseWhitelist.push('body');
</code></pre>

Example in coffeescript:

<pre><code>expressWinston.requestWhitelist.push('body')
expressWinston.responseWhitelist.push('body')
app.use(expressWinston.logger({
 transports: [
 new winston.transports.Console({
 json: true,
 colorize: true
 })
 ],
 meta: true, // optional: control whether you want to log the meta data about the request (default to true)
 msg: "HTTP {{req.method}} {{req.url}}", // optional: customize the default logging message. E.g. "{{res.statusCode}} {{req.method}} {{res.responseTime}}ms {{req.url}}"
 expressFormat: true, // Use the default Express/morgan request formatting, with the same colors. Enabling this will override any msg and colorStatus if true. Will only output colors on transports with colorize set to true
 colorStatus: true, // Color the status code, using the Express/morgan color palette (default green, 3XX cyan, 4XX yellow, 5XX red). Will not be recognized if expressFormat is true
 ignoreRoute: function (req, res) { return false; } // optional: allows to skip some log messages based on request and/or response
 }));
</code></pre>

I was wondering if node.js (or express framework) has any kind of built in access logging like grails has for example?

I have grails application that runs on tomcat and it automatically generates <code>/apache-tomcat-7.0.42/logs/localhost_access_log.2013.10.30.txt</code> file in which are logs about request response like this one: 

<pre><code>[30/Oct/2013:00:00:01 +0000] [my-ip-address] [http-bio-8080-exec-18] "GET /my-service/check HTTP/1.0" [200] [took: 1 milis] 
</code></pre>

This logs are written automatically by system and I don't have to worry about that.

So what about node.js?

Thanks for any help!

Ivan

Built in access logs in node.js (express framework)

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我想知道node.js (或express框架)是否有像grails那样的内置访问日志记录吗？我有运行在tomcat上的grails应用程序，它自动生成/apache-tomcat-7.0.42/logs/localhost_access_log.2013.10.30.txt文件，其中是关于请求响应的日志，如下所示：[30/Oct/2013:00:00:01 +0000] [my-ip-addre

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