paul1113 (刘超)

Spree 项目中邮件不能发送的问题

paul1113 — Tue, 06 Jan 2015 14:11:22 +0800

测试邮件错误：530 5.7.0 Must issue a STARTTLS command first. e108sm52535614qge.15 - gsmtp 配置信息写在 config/environments/development.rb config.action_mailer.delivery_method = :sendmail config.action_mailer.delivery_method = :smtp config.action_mailer.smtp_settings = { address: 'smtp.gmail.com', port: 587, domain: 'gmail.com', user_name: 'xxx', password: 'xxx', authentication: 'plain', enable_starttls_auto: true } config.action_mailer.raise_delivery_errors = true config.action_mailer.perform_deliveries = true config.action_mailer.default_options = {from: 'donokamark@gmail.com'} 这个错误今天 google 很久还是没解决所以来这里请教大家，打扰了！

《rails 指南》谁买过

paul1113 — Thu, 10 Apr 2014 16:15:44 +0800

买过《rails 指南》的说说看法，这本书里用的 rails 和 ruby 版本是最新的吗？另外翻译的是整套 rails guides 吗？完整吗？在线等。。。。。。。。。。。。。。

路由表的问题？

paul1113 — Mon, 17 Mar 2014 13:10:53 +0800

liuchao@liuchao:~/rails_projects/sample_app$ rails s => Booting WEBrick => Rails 4.1.0.beta1 application starting in development on http://0.0.0.0:3000 => Run rails server -h for more startup options => Notice: server is listening on all interfaces (0.0.0.0). Consider using 127.0.0.1 (--binding option) => Ctrl-C to shutdown server Exiting /home/liuchao/.rvm/gems/ruby-2.1.0/gems/actionpack-4.1.0.beta1/lib/action_dispatch/routing/mapper.rb:238:in `default_controller_and_action': Missing :action key on routes definition, please check your routes. (ArgumentError) 以上是我启动服务器时候的报错，以下是我的 route.rb SampleApp::Application.routes.draw do

get "/users/new" get "/no_test_framework"

root to: 'static_pages#home' match '/signup', to: 'users#new', via: 'get' match '/help', to: 'static_pages#help', via: 'get' match '/about', to: 'static_pages#about', via: 'get' match '/contact', to: 'static_pages#contact', via: 'get'

# The priority is based upon order of creation: first created -> highest priority. # See how all your routes lay out with "rake routes".

# You can have the root of your site routed with "root" # root 'static_pages#home'

# Example of regular route: # get 'products/:id' => 'catalog#view'

# Example of named route that can be invoked with purchase_url(id: product.id) # get 'products/:id/purchase' => 'catalog#purchase', as: :purchase

# Example resource route (maps HTTP verbs to controller actions automatically): # resources :products

# Example resource route with options: # resources :products do # member do # get 'short' # post 'toggle' # end # # collection do # get 'sold' # end # end

# Example resource route with sub-resources: # resources :products do # resources :comments, :sales # resource :seller # end

# Example resource route with more complex sub-resources: # resources :products do # resources :comments # resources :sales do # get 'recent', on: :collection # end # end

# Example resource route with concerns: # concern :toggleable do # post 'toggle' # end # resources :posts, concerns: :toggleable # resources :photos, concerns: :toggleable

# Example resource route within a namespace: # namespace :admin do # # Directs /admin/products/* to Admin::ProductsController # # (app/controllers/admin/products_controller.rb) # resources :products # end end

编写 rails 模型文件的报错

paul1113 — Fri, 28 Feb 2014 12:23:12 +0800

书 ruby for rails（2007 年出版） ruby script/generate model work 报错： ruby: No such file or directory -- script/generate (LoadError) 把命令改为：rails generate model work 报错：~/ruby/R4Rmusic$ rails generate model work /home/liuchao/.rvm/gems/ruby-2.1.0/gems/railties-4.1.0.beta1/lib/rails/application/configuration.rb:103:in `rescue in database_configuration': YAML syntax error occurred while parsing /home/liuchao/ruby/R4Rmusic/config/database.yml. Please note that YAML must be consistently indented using spaces. Tabs are not allowed. Error: (): could not find expected ':' while scanning a simple key at line 3 column 1 (RuntimeError)

有条件查询数据库代码错误

paul1113 — Wed, 19 Feb 2014 15:01:22 +0800

#encoding=UTF-8 require "mysql" dbh=Mysql.real_connect("localhost","root","root","rubytest",) class User def initialize(id,name,pwd) #构造方法 @id=id @name=name @pwd=pwd end attr_accessor :id,:name,:pwd #修饰可读、可写属性 end class UserDao #登录操作 def login(user,dbh) sql="select * from ruby where name ='#{user.name}' and pwd='#{user.id}'" res=dbh.query(sql) if res.num_rows==0 then puts "login fail" else puts "login success" end end #注册操作 def register(user,dbh) sql="insert into ruby values('#{user.id}','#{user.name}','#{user.pwd}')" dbh.query(sql) if dbh.affected_rows==i then puts "register success" else pus "register fail" end #按条件查询 def findAll(dbh,name) sql="select * from ruby where name='#{name}'" res=dbh.query(sql) puts "ID\tNAME\tPWD" while item=res.fetch_row puts "#{item[0]}\t#{item[1]}\t#{item[2]}" end end end begin user=User.new(8,'bf001','001') #登录用 user=User.new(9,'zs','123') #创建 User 对象 ud=UserDao.new #创建 UserDao 对象 #ud.login(user,dbh) 登录操作 #注册用 ud.register(user,dbh) ud.findALL(dbh,'bf001') #查询 end end

报错：test.rb:49:in <class:UserDao>': undefined local variable or methoddbh' for UserDao:Class (NameError) from test.rb:13:in `