Rake db:迁移语法错误

Question

尝试设置webistrano时出现以下错误：

rake db:migrate

(in /var/www/html/webistrano)
rake aborted!
/var/www/html/webistrano/vendor/rails/activesupport/lib/active_support/inflector.rb:273: syntax error, unexpected ':', expecting keyword_then or ',' or ';' or '\n'
        when 1: "#{number}st"
               ^
/var/www/html/webistrano/vendor/rails/activesupport/lib/active_support/inflector.rb:274: syntax error, unexpected keyword_when, expecting keyword_end
        when 2: "#{number}nd"
            ^
/var/www/html/webistrano/vendor/rails/activesupport/lib/active_support/inflector.rb:275: syntax error, unexpected keyword_when, expecting keyword_end
        when 3: "#{number}rd"
            ^
/var/www/html/webistrano/vendor/rails/activesupport/lib/active_support/inflector.rb:280: syntax error, unexpected keyword_end, expecting $end

Answer 1

检查ruby语法中的switch-like语句，在when之后没有":“。

case foo
  when "bar"
    # do stuff
  when "bar2"
    # do other stuff
end

顺便说一句，你为什么要这样做呢？如果我没看错您的代码，也许您应该看看ordinalize方法。