在学习任何东西之前，最重要的是培养兴趣，Groovy世界最耀眼的技术之一－－Grails相信大家早已耳闻，我将通过Grails实战系列文章向您展现Grails的迷人风采，使您感受到Grails的魅力，以至疯狂地爱上Grails，并坠入Groovy的爱河。学Groovy，Grails与学Java一样，在实战之前需要搭建开发环境，您可以在 Groovy轻松入门－－搭建Groovy开发环境 学习到如何搭建Groovy环境，之后我会讲一下如何搭建Grails环境，然后手把手地写个Demo程序告终，我还会抽空写篇“Groovy轻松入门－－Grails实战之进阶篇”
一，搭建Grails环境
0，下载Grails( http://dist.codehaus.org/grails/grails-bin-0.4.2.zip ，请留意朝花夕拾——Groovy & Grails中的“最新版本”提示)并解压到自己指定位置（我的位置是D:/D/MY_DEV/grails）
1，设置环境变量GRAILS_HOME（注意大写），过程与“设置环境变量GROOVY_HOME”相似。
2，将%GRAILS_HOME%/bin添加到环境变量path中，过程与“将GROOVY_HOME目录下的bin追加到环境变量path中”相似。
（如果只想进行Grails开发，可以不设GROOVY_HOME）
二，创建Grails Demo程序
0，打开“命令行”，选择当前目录（我的为D:/Temp/grails_apps），在黑底白字的窗口中输入“grails create-app demo”，不包括双引号“”，在您的屏幕中可以看到类似下面的输出结果：
D:/Temp/grails_apps>grails create-app demo
Welcome to Grails 0.4.2 - http://grails.org/
Licensed under Apache Standard License 2.0
Grails home is set to: D:/D/MY_DEV/grails
Base Directory: D:/Temp/grails_apps
Environment set to production
Note: No plugin scripts found
Running script D:/D/MY_DEV/grails/scripts/CreateApp.groovy
[mkdir] Created dir: D:/Temp/grails_apps/demo/src
[mkdir] Created dir: D:/Temp/grails_apps/demo/src/java
[mkdir] Created dir: D:/Temp/grails_apps/demo/src/groovy
[mkdir] Created dir: D:/Temp/grails_apps/demo/src/test
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/controllers
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/services
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/domain
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/taglib
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/utils
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/views
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/views/layouts
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/i18n
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-app/conf
[mkdir] Created dir: D:/Temp/grails_apps/demo/grails-tests
[mkdir] Created dir: D:/Temp/grails_apps/demo/scripts
[mkdir] Created dir: D:/Temp/grails_apps/demo/web-app
[mkdir] Created dir: D:/Temp/grails_apps/demo/web-app/js
[mkdir] Created dir: D:/Temp/grails_apps/demo/web-app/css
[mkdir] Created dir: D:/Temp/grails_apps/demo/web-app/images
[mkdir] Created dir: D:/Temp/grails_apps/demo/web-app/WEB-INF/classes
[mkdir] Created dir: D:/Temp/grails_apps/demo/web-app/META-INF
[mkdir] Created dir: D:/Temp/grails_apps/demo/lib
[mkdir] Created dir: D:/Temp/grails_apps/demo/spring
[mkdir] Created dir: D:/Temp/grails_apps/demo/hibernate
[copy] Copying 2 files to D:/Temp/grails_apps/demo
[copy] Copying 2 files to D:/Temp/grails_apps/demo/web-app/WEB-INF
[copy] Copying 1 file to D:/Temp/grails_apps/demo/web-app/WEB-INF
[copy] Copying 1 file to D:/Temp/grails_apps/demo/web-app/WEB-INF
[copy] Copying 5 files to D:/Temp/grails_apps/demo/web-app/WEB-INF/tld
[copy] Copying 119 files to D:/Temp/grails_apps/demo/web-app
[copy] Copying 1 file to D:/Temp/grails_apps/demo/grails-app/conf
[copy] Copying 1 file to D:/Temp/grails_apps/demo/grails-app/conf
[copy] Copying 1 file to D:/Temp/grails_apps/demo/grails-app/conf
[copy] Copying 7 files to D:/Temp/grails_apps/demo/grails-app
[mkdir] Created dir: D:/Temp/grails_apps/demo/plugins/core/grails-app/taglib
[mkdir] Created dir: D:/Temp/grails_apps/demo/plugins/core/grails-app/utils
[copy] Copying 7 files to D:/Temp/grails_apps/demo/plugins/core/grails-app/
taglib
[copy] Copying 3 files to D:/Temp/grails_apps/demo/plugins/core/grails-app/
utils
[copy] Copying 1 file to D:/Temp/grails_apps/demo/spring
[copy] Copying 1 file to D:/Temp/grails_apps/demo
[copy] Copying 1 file to D:/Temp/grails_apps/demo
[copy] Copying 1 file to D:/Temp/grails_apps/demo
Created Grails Application at D:/Temp/grails_apps/demo
D:/Temp/grails_apps>
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