我是 Rails 的初学者,过去几天我一直试图找出世界上哪里出了问题,但绝对没有运气。我到处寻找,但一无所获。基本上,当我运行任何类型的命令行方法时,我都会得到一个 NameError。我已经尝试在不同的项目目录中运行它,以及曾经工作的。看来铁轨刚刚坏了……
我正在使用 NetBeans 6.9.1 运行 Win7-32bit 来编辑文件,并使用 cmd.exe 来运行 rails 控制台。
一切都正常工作了大约两个星期,然后突然发生了这种情况。这里有一些例子:
rails 生成模型:
irb(main):004:0> rails generate model datatest
NameError: undefined local variable or method `datatest' for main:Object
from (irb):4
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands/console.rb:44:in `start'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands/console.rb:8:in `start'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:23:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
rails 生成迁移:
irb(main):003:0> rails generate migration rename_password_to_hashed_password
NameError: undefined local variable or method `rename_password_to_hashed_password' for main:Object
from (irb):3
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands/console.rb:44:in `start'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands/console.rb:8:in `start'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:23:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
耙分贝:迁移:
irb(main):005:0> rake db:migrate
NameError: undefined local variable or method `migrate' for main:Object
from (irb):5
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands/console.rb:44:in `start'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands/console.rb:8:in `start'
from C:/Ruby192/lib/ruby/gems/1.9.1/gems/railties-3.0.3/lib/rails/commands.rb:23:in `<top (required)>'
from script/rails:6:in `require'
from script/rails:6:in `<main>'
任何形式的帮助将不胜感激。谢谢!