所以我按照本指南（http://richonrails.com/articles/basic-ajax-in-ruby-on-rails）在我的rails应用程序中尝试了一些基本的ajax，然后在执行'rails s'命令时遇到了这个错误。
$ rails s
=> Booting WEBrick
=> Rails 4.0.0 application starting in development on http://0.0.0.0:3000
=> Run `rails server -h` for more startup options
=> Ctrl-C to shutdown server
Exiting
C:/Users/Kaspar/Documents/Aptana Studio 3 Workspace/ajax/config/routes.rb:1:in `<top (required)>': uninitialized constant A
jaxExample (NameError)
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/routes_reloader.rb:4
0:in `block in load_paths'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/routes_reloader.rb:4
0:in `each'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/routes_reloader.rb:4
0:in `load_paths'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/routes_reloader.rb:1
6:in `reload!'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/routes_reloader.rb:2
6:in `block in updater'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/file_update_chec
ke
r.rb:75:in `execute'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/routes_reloader.rb
:2
7:in `updater'
from c:131071:in `execute_if_updated'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/finisher.rb:69:in
`b
lock in <module:Finisher>'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `instan
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/file_update_c
r.rb:75:in `call'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/activesupport-4.0.0/lib/active_support/file_update_c
r.rb:75:in `execute'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/routes_reloader
7:in `updater'
from c:131071:in `execute_if_updated'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application/finisher.rb:69:
lock in <module:Finisher>'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `ins
_exec'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:30:in `run
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:55:in `blo
run_initializers'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/tsort.rb:150:in `block in tsort_each'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/tsort.rb:183:in `block (2 levels) in each_strongly_connected_c
ent'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/tsort.rb:219:in `each_strongly_connected_component_from'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/tsort.rb:182:in `block in each_strongly_connected_component'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/tsort.rb:180:in `each'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/tsort.rb:180:in `each_strongly_connected_component'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/2.0.0/tsort.rb:148:in `tsort_each'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/initializable.rb:54:in `run
ializers'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/application.rb:215:in `init
e!'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/railtie/configurable.rb:30:
ethod_missing'
from C:/Users/Kaspar/Documents/Aptana Studio 3 Workspace/ajax/config/environment.rb:5:in `<top (required)>'
from C:/Users/Kaspar/Documents/Aptana Studio 3 Workspace/ajax/config.ru:3:in `require'
from C:/Users/Kaspar/Documents/Aptana Studio 3 Workspace/ajax/config.ru:3:in `block in <main>'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:55:in `instance_eval'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:55:in `initialize'
from C:/Users/Kaspar/Documents/Aptana Studio 3 Workspace/ajax/config.ru:in `new'
from C:/Users/Kaspar/Documents/Aptana Studio 3 Workspace/ajax/config.ru:in `<main>'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:49:in `eval'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:49:in `new_from_strin
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/builder.rb:40:in `parse_file'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:277:in `build_app_and_
ns_from_config'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:199:in `app'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands/server.rb:48:in `a
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/rack-1.5.2/lib/rack/server.rb:314:in `wrapped_app'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands/server.rb:75:in `s
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:78:in `block in
(required)>'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `tap'
from c:/RailsInstaller/Ruby2.0.0/lib/ruby/gems/2.0.0/gems/railties-4.0.0/lib/rails/commands.rb:73:in `<top (re
d)>'
from bin/rails:4:in `require'
from bin/rails:4:in `<main>'
这是由什么造成的？我按照它说的那样做了一切......
答案 0 :(得分：2)
这是您的routes.rb中的第一行，它应该是：
<Your app's name>::Application.routes.draw do
在你的情况下似乎是：
Ajax::Application.routes.draw do