UTF-8显示中文

在application.rb中，添加字段显示中文

# Filters added to this controller apply to all controllers in the application.
# Likewise, all the methods added will be available for all controllers.

class ApplicationController < ActionController::Base
  helper :all # include all helpers, all the time

  # See ActionController::RequestForgeryProtection for details
  # Uncomment the :secret if you're not using the cookie session store
  protect_from_forgery # :secret => '75ac563c0789e3abe22ab28492e683cc'
  
  # See ActionController::Base for details 
  # Uncomment this to filter the contents of submitted sensitive data parameters
  # from your application log (in this case, all fields with names like "password"). 
  # filter_parameter_logging :password
   before_filter :configure_charsets 
 def configure_charsets 
 headers["Content-Type"] = "text/html; charset=utf-8" 
 response.headers["Content-Type"] = "text/html; charset=utf-8" 
 # Set connection charset. MySQL 4.0 doesn��t support this so it 
 # will throw an error, MySQL 4.1 needs this 
 suppress(ActiveRecord::StatementInvalid) do 
 ActiveRecord::Base.connection.execute 'SET NAMES utf8' 
 end 
 end
end