Lafcadio是Ruby语言的对象关系映射框架，目前支持MySQL数据库，将来将支持各种流行的数据库
安装方法：geminstalllafcadio
示例代码：
require'rubygems'require_gem'lafcadio'Lafcadio::LafcadioConfig.set_values('dbuser'=>'test','dbpassword'=>'password','dbname'=>'test','dbhost'=>'localhost')require'tutorial_setup'ten_years_ago=Date.today-(365*10)john=User.new('birthday'=>ten_years_ago,'email'=>'john.doe@email.com','first_name'=>'John','last_name'=>'Doe','password'=>'my_password')john.commit
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