(1)安装rails
$ gem install rails
(2)创建blog
$ rails new blog
(3)启动server
$ cd blog
$ rails server
(4)访问
http://127.0.0.1:3000/
(1)安装rails
$ gem install rails
(2)创建blog
$ rails new blog
(3)启动server
$ cd blog
$ rails server
(4)访问
http://127.0.0.1:3000/