导入Webrick 模块。require 'test_helper' # load helper helper_test by default assert_equal 'value', some_helper_method("foo", "bar") 在控制器(例如,controllers/admin/admin_controller.rb)内使用Helper方法。 在test/controllers目录中,创建一个名为admin_controller_test.rb的测试文件(例如:helper_test.rb)。 添加以...
拉這個 cart 出來直接用。 如果你要在 controller 和 view 都能拉現在的購物車,必須要用 helper_method 宣告這是一個 controller 級的 helper。 class ApplicationController helper_method :current_cart def current_cart cart = Cart.find(session[:cart_id]) return cart end end 這樣你就能在 View 裡面用 ...
Passenger允许您直接在Apache应用程序中嵌入Rails应用程序，而无需担心FastCGI或复杂的Web服务器代理。RoR:R...
This gem adds Rails helper methods (inline_svg_tagandinline_svg_pack_tag) that read an SVG document (via Sprockets or Shakapacker, so works with the Rails Asset Pipeline), applies a CSS class attribute to the root of the document and then embeds it into a view. ...
rails表单控件helper 1、form加入HTML属性 <%= form_for(@device, :html => {:method=>"post", :id=>"form1", :name=>"form1", :target=>"__hidden_call"}) do |f| %> <% form_for :person, @person, :url => { :action => "update" } %>...
原文1. form_tag 1) 基础 Form 生成 html 2) 指定 url与 method 生成 html 3) 指定 controller 与 action 4)几个 tag check_box_tag radio_button_tag 2. form_for 1)如果设置了
require'ostruct'helper_method:current_userdefcurrent_user@current_user||=User.find session[:user_id]ifsession[:user_id]if@current_user@current_userelseOpenStruct.new(name:'Guest')endend This would then enable you to replace the previous view code example with this one simple line of code: ...
To specify abower resolutionuseresolutionDSL method in your Bowerfile: resolution"angular","1.2.22" That will producebower.jsonlike: {"name":"dsl-generated-dependencies","dependencies": {"angular":"1.2.22"},"resolutions": {"angular":"1.2.22"} } ...
To make it more convenient, we add adecoratemethod toApplicationHelper: moduleApplicationHelper# ...defdecorate(object, klass =nil) klass ||="#{object.class}Decorator".constantize decorator = klass.new(object,self)yielddecoratorifblock_given? decoratorend# ...end Now, ...
tag类的Helper form_tag <%= form_tag("/search", method: "get") do %> <%= label_tag(:q, "Search for:") %> <%= text_field_tag(:q) %> <%= submit_tag("Search") %> <% end %> #生成HTML如下 Search for: #生成的表单的每个input属性都有ID属性,其值和name...