首先，下载 Grails（参见 参考资料），将其解压缩，然后设置一个指向安装目录的 GRAILS_HOME 环境变量来对环境进行配置。

First, download Grails (see Resources), unarchive it, and configure your environment by setting a GRAILS_HOME environment variable that points to your installation directory.

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与资料库产生的值对应的成员，必须在insert或update作业成功完成之后设定为适当值。

Members mapped to database-generated values need to be set to appropriate values after successful completion of INSERT or UPDATE operations.

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