使用Grails打包war文件时加载不同的样式表 [英] Load different stylesheets when packaging a war file with Grails

问题描述

我想为不同品牌的Grails应用程序打包。在生成war文件的同时，我想传递一些引用某个品牌的自定义参数，并通过为品牌加载样式表来设置应用程序的样式。

我在线阅读并且我发现一种方法是使用maven。我尝试过使用maven，但在初始编译应用程序时，我被卡住了。错误是：

 无法执行目标org.grails：grails-maven-plugin：2.2.1：maven-compile $ b项目foreAction上的$ b（default-maven-compile）：Forked Grails虚拟机退出时出错。 
  

我坚持要采取什么方法。我搜索了上述错误，并尝试了不同的解决方案，但似乎没有任何工作。

如果没有使用Maven有不同的方式，我愿意尝试一下。 / p>

解决方案

您可以使用 scripts / _Events.groovy 并取代合适的CSS /资产。 文档解释了如何挂入生成事件。
$ b $ scripts / _Events.groovy 中的代码可能如下所示：

  //这是在临时目录准备好之后但打包之前调用的。 
 eventCreateWarStart = {name，stagingDir  - > 
 //将您的代码放在此处，将您的资源复制到暂存目录中的相应位置。 
 Ant.copy（
 file：System.getProperty（'somePassedInFile'），
 toFile：$ {stagingDir} /assets/stylesheets/whatever.css，
 overwrite： true 
）
  

}

然后你可以像这样从 grails prod war 传入源文件的值：

  grails prod war -DsomePassedInFile = / path / to / file.css 
  

希望这至少可以帮助您了解如何实现这一目标。 （全部写下我的头顶，所以要小心输入错误等）。

I want to package a Grails application for different brands. While generating a war file, I want to pass some custom parameter that refers to a certain brand and styles the application by loading the stylesheet for the brand.

I read online and one approach I found was with maven. I tried working with maven but I am stuck while initially compiling the application. The error is

Failed to execute goal org.grails:grails-maven-plugin:2.2.1:maven-compile 
(default-maven-compile) on project foreAction: Forked Grails VM exited with error. 

I am stuck as to what approach to take now. I searched for the above error and tried different solutions but nothing seems to work.

If there is a different way without using Maven I am willing to give it a shot.

解决方案

You could always hook into the events using scripts/_Events.groovy and replace the appropraite CSS/assets. The documentation explains how to hook into build events.

Your code inside scripts/_Events.groovy might look something like this:

// This is called after the staging dir is prepared but before the war is packaged.
eventCreateWarStart = { name, stagingDir ->
  // place your code here that copies your resources to the appropriate location in the staging directory.
  Ant.copy(
    file: System.getProperty('somePassedInFile'), 
    toFile: "${stagingDir}/assets/stylesheets/whatever.css", 
    overwrite: true
  )    

}

Then you can pass in the value of the source file from grails prod war like this:

grails prod war -DsomePassedInFile=/path/to/file.css

Hope this helps at least give you an idea of how you can accomplish this. (All written off the top of my head so beware of typos etc.)

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