﻿<?xml version="1.0" encoding="utf-8" standalone="yes"?><rss version="2.0" xmlns:dc="http://purl.org/dc/elements/1.1/" xmlns:trackback="http://madskills.com/public/xml/rss/module/trackback/" xmlns:wfw="http://wellformedweb.org/CommentAPI/" xmlns:slash="http://purl.org/rss/1.0/modules/slash/"><channel><title>BlogJava-Java-文章分类-rails 2.0</title><link>http://www.blogjava.net/keer2345/category/35346.html</link><description>Java</description><language>zh-cn</language><lastBuildDate>Tue, 21 Oct 2008 04:21:12 GMT</lastBuildDate><pubDate>Tue, 21 Oct 2008 04:21:12 GMT</pubDate><ttl>60</ttl><item><title>rails 2.0 初体验</title><link>http://www.blogjava.net/keer2345/articles/235343.html</link><dc:creator>keer</dc:creator><author>keer</author><pubDate>Sun, 19 Oct 2008 14:15:00 GMT</pubDate><guid>http://www.blogjava.net/keer2345/articles/235343.html</guid><wfw:comment>http://www.blogjava.net/keer2345/comments/235343.html</wfw:comment><comments>http://www.blogjava.net/keer2345/articles/235343.html#Feedback</comments><slash:comments>0</slash:comments><wfw:commentRss>http://www.blogjava.net/keer2345/comments/commentRss/235343.html</wfw:commentRss><trackback:ping>http://www.blogjava.net/keer2345/services/trackbacks/235343.html</trackback:ping><description><![CDATA[1. 数据库<br />
<ul>
    <li>db:charset 检索当前环境下数据库的字符设置
    </li>
    <li>db:collation 检索当前环境下数据库的校对
    </li>
    <li>db:create 用config\database.yml中的定义创建当前 RAILS_ENV 项目环境下的数据库
    </li>
    <li>db:create:all 用config\database.yml中的定义创建所有数据库
    </li>
    <li>db:drop 删除当前 RAILS_ENV项目环境中的数据库
    </li>
    <li>db:drop:all 删除所有在 config\database.yml中定义的数据库
    </li>
    <li>db:reset 从db\schema.rb中为当前环境重建数据库（先删后建）.
    </li>
    <li>db:rollback 回滚<span style="font-size: 11px;">(清华出版社一本SQLSERVER书的名词[很奇怪为什么不直接用滚回])</span>数据库到前一个版本. 指定回滚到哪一步要用 STEP=n 参数
    </li>
    <li>db:version 检索当前模式下的版本 </li>
</ul>
2. <br />
rails blog -d mysql<br />
\rlab\blog&gt;rake db:create:all<br />
ruby script\generate scaffold Post title:string body:text<br />
rake db:migrate<br />
<br />
<img src ="http://www.blogjava.net/keer2345/aggbug/235343.html" width = "1" height = "1" /><br><br><div align=right><a style="text-decoration:none;" href="http://www.blogjava.net/keer2345/" target="_blank">keer</a> 2008-10-19 22:15 <a href="http://www.blogjava.net/keer2345/articles/235343.html#Feedback" target="_blank" style="text-decoration:none;">发表评论</a></div>]]></description></item></channel></rss>