https://ruby-china.org/xiaozhao 程式语言这东西并不重要，重要的是我用这些语言做的事情 en-us <p>本人超级菜鸟，刚学完用 rails 建立新博客，朋友给一个 GIT 里的项目做练手，下载到本地以后不能直接启动 rails s，不知道怎么办？请前辈指点， 朋友让看 rails 教程 来自己学习设置：给的方法</p> <p>1 设置好 config/database.yml 2 rake db :setup 3 rails s</p> <p>rails 教程<a href="http://guides.ruby-china.org/getting_started.html#hello,-rails-bang" rel="nofollow" target="_blank">http://guides.ruby-china.org/getting_started.html#hello,-rails-bang</a> 基础学了一遍，没有找到设置 database.yml 的方法， 谷歌上不去，百度搜索也找了两天了，没有找到如何配置 在本站的 新手问题里也扫了 N 页没找到，新手也不知道应该找哪些关键字，搜索本站但一直在转转，不显示内容，</p> <p>做了各种尝试了，实在不知道怎么办了，第一次提问，也不知道如何描述，请多谅解！希望能提示一些关键字！万分感谢</p> <p>项目里有两上这个文件：database.yml.mysql 和 database.yml.sqlite3 database.yml.mysql </p> <p>development: &amp;development adapter: mysql2 host: localhost username: root password: database: your_local_database</p> <p>test: &amp;test adapter: mysql2 host: localhost username: root password: database: your_test_database</p> <p>production: &amp;production adapter: mysql2 host: localhost database: your_production_database username: your_production_database_login password: your_production_database_password</p> <p>第二个是： database.yml.sqlite3</p> <h2 id="SQLite version 3.x">SQLite version 3.x</h2> <p>development: adapter: &lt;%= "jdbc" if defined?(JRUBY_PLATFORM) %&gt;sqlite3 database: db/development.sqlite3 timeout: 5000</p> <h2 id="Warning: The database defined as 'test' will be erased and">Warning: The database defined as 'test' will be erased and</h2><h2 id="re-generated from your development database when you run 'rake'.">re-generated from your development database when you run 'rake'.</h2><h2 id="Do not set this db to the same as development or production.">Do not set this db to the same as development or production.</h2> <p>test: adapter: &lt;%= "jdbc" if defined?(JRUBY_PLATFORM) %&gt;sqlite3 database: db/test.sqlite3 timeout: 5000</p> <p>production: adapter: &lt;%= "jdbc" if defined?(JRUBY_PLATFORM) %&gt;sqlite3 database: db/production.sqlite3 timeout: 5000</p> xiaozhao Wed, 02 Sep 2015 22:08:24 +0800 https://ruby-china.org/topics/27175 https://ruby-china.org/topics/27175