1
好的,這裏是我有視圖商店,顯示所有的建築物。所有我想要做的就是給我只能用狀態大廈「非賣品」的觀點店在軌道上的紅寶石的具體觀點
我有:
<% if notice%>
<p id="notice"> <%= notice%></p>
<%end%>
<h1>All Priorities</h1>
<%= form_tag store_path, :method => 'get' do %>
<p>
<%=text_field_tag :search , params[:search]%>
<%= submit_tag "Search", :name=> nil%>
</p>
<%end%>
<% if @buildings.present? %>
<% @buildings.each do |building| %>
<div class="entry">
<div class="img">
<%= image_tag (building.photo.url)%></div>
<div class=" disc">
<h3>Name of the Bulding: <%= building.title %></h3>
<h4>Status: <%= building.status %></h4>
Info: <%=sanitize(building.description)%>
<div class="price_line">
<span class="price">Price: <%= sprintf("€ %0.02f",building.price)%></span><br/>
<div class="button">
<%= button_to("I want to see it", {:controller => "seeits", :action => "new", :building_id => building.id})%></div>
</div>
<div class="pages">
<%= will_paginate @buildings %></p>
</div>
</div>
<% end %>
</div>
<% else %> does not much try another name<% end %>
在控制器
> buildings_controller
def index
@buildings = Building.all
respond_to do |format|
format.html # index.html.erb
format.json { render json: @buildings }
end
end
# GET /buildings/1
# GET /buildings/1.json
def show
@building = Building.find(params[:id])
respond_to do |format|
format.html # show.html.erb
format.json { render json: @building }
end
end
是那裏用IF語句來做呢?或者我必須更換<% @buildings.each do |building| %>
?
不工作。可以用IF語句改變或更改<%@ buildings.each do | building | %>?因爲我會提出另一種看法,出租,出售等..... – marios
我有意見使用:@ buildings.collect({| b | b.status ==「待售」})。但我得到錯誤:C:/Sites/projectproperties/app/views/store/index.html.erb:15:語法錯誤,意外的'|',期待'}'@ buildings.collect({| b | b.status ==「for sale」})....^C:/Sites/projectproperties/app/views/store/index.html.erb:15:語法錯誤,意外的'}',期待keyword_end ...({| b | b.status ==「出售」})。每個do | building | – marios
'@ buildings.collect {| b | b.status ==「待售」}。每個都做|建築|' - 哎呀,不好的包圍。 –