我对ruby on rails的开发很陌生。我目前在生成一个新的rails控制器时遇到了困难。/active_record/connection_adapters/connection_specification.rb:177
:in `rescue in spec': Specified 'sqlite3Add `gem 'sqlite3'` to your Gemfile (and ensure its version is at the minimum requir
/usr/local/bin/ruby extconf.rb sqlite3.h is missing.Try 'port install sqlite3 +universal'
or 'yum install sqlite-devel' and check your shared library--with-sqlite3-i