在 rails 中创建新对象时出错 [英] Error while creating new object in rails
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问题描述
每当我尝试为模型创建对象时,我都会在 rails 中收到此错误.我正在使用 Windows 7
I am getting this error in rails whenever i am trying to create an object for the model. I am working on Windows 7
C:\Ruby\joker\chapter3>ruby script/console
Loading development environment (Rails 2.3.8)
>> mycb = ComicBook.new
SyntaxError: C:/Ruby/joker/chapter3/app/models/comic_book.rb:19: syntax error, u
nexpected $end, expecting kEND
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:380:in `load_without_new_constant_marking'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:380:in `load_file'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:521:in `new_constants_in'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:379:in `load_file'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:259:in `require_or_load'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:425:in `load_missing_constant'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:80:in `const_missing'
from C:/Ruby/lib/ruby/gems/1.8/gems/activesupport-2.3.8/lib/active_suppo
rt/dependencies.rb:92:in `const_missing'
from (irb):1
>>
我还附上了图片,以便您可以查看模型本身
I have also attached the image so that you can look at the model itself
我还附上了你创建的模型漫画书
Also I am attaching you the created model ComicBook
C:\Ruby\joker\chapter3>ruby script/generate model ComicBook
exists app/models/
exists test/unit/
exists test/fixtures/
create app/models/comic_book.rb
create test/unit/comic_book_test.rb
create test/fixtures/comic_books.yml
create db/migrate
create db/migrate/20100923101842_create_comic_books.rb
我工作的环境是
Ruby version 1.8.7 (i386-mingw32)
RubyGems version 1.3.7
Rack version 1.1
Rails version 2.3.8
Active Record version 2.3.8
Active Resource version 2.3.8
Action Mailer version 2.3.8
Active Support version 2.3.8
Application root C:/Ruby/joker/chapter3
Environment development
Database adapter mysql
Database schema version 20100923101842
期待您的帮助
谢谢
推荐答案
self.up
和 self.down
方法必须在迁移中(db/migrate/20100923101842_create_comic_books.rb)
Methods self.up
and self.down
must be in the migration(db/migrate/20100923101842_create_comic_books.rb)
CookBook 模型的 Clean 类必须如下所示:
Clean class of the CookBook model must look like this:
class CookBook < ActiveRedord::Base
end
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