本文提供了一步到位的指南，教你如何在Grails框架中配置控制器和服务的日志信息。从打开Config.groovy文件找到log4j区块开始，到在控制器动作中轻松添加日志记录语句，帮助开发者高效地获取应用运行状态。
Logging informational messages from a controller or service is the sort of thing I wish I'd figured out how to do when I first started playing around with Grails. All the information is in the docs, but it took me a while to find it and it could be a bit obscure for someone just getting started.
Here's all you have to do:
1. Open [b]Config.groovy[/b] and find the log4j block.
2. At the bottom, add a line like this:
3. In your controller action, wherever you want to log something, just add a line something like this:
Reference Link：
[url]http://dowdrake.com/showthread.php?86-Grails-Logging-from-a-Controller-or-Service[/url]
Here's all you have to do:
1. Open [b]Config.groovy[/b] and find the log4j block.
2. At the bottom, add a line like this:
info 'grails.app'3. In your controller action, wherever you want to log something, just add a line something like this:
log.info "In myController, my Action myVar is: ${myVar}"Reference Link：
[url]http://dowdrake.com/showthread.php?86-Grails-Logging-from-a-Controller-or-Service[/url]
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