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我試圖通過按下頁面上的按鈕用戶從數據庫中獲取隨機項將顯示,但將具有一個屬性編輯。我遇到的問題是,我不知道如何傳遞一個隨機ID(在數據庫中有效),以便在我的部分中呈現,但仍然能夠更新特定屬性。從標題Rails語法錯誤 - 不能找到它的原因
問題:
SyntaxError in Tasks#main
Showing /home/bogdan/ex/bored/app/views/tasks/main.html.erb where line #1 raised:
/home/bogdan/ex/bored/app/views/tasks/main.html.erb:1: syntax error, unexpected ',', expecting ')'
...uffer.append= form_for (:task, :url => {:action =>'rand_tas...
... ^
/home/bogdan/ex/bored/app/views/tasks/main.html.erb:1: syntax error, unexpected ')', expecting keyword_end
...url => {:action =>'rand_task'}) do |f|@output_buffer.safe_co...
... ^
../app/views/tasks/main.html.erb:8: syntax error, unexpected keyword_ensure, expecting $end
Extracted source (around line #1):
1: <%= form_for (:task, :url => {:action =>'rand_task'}) do |f|%>
2: <%= render(:partial => "rand_show", :locals => {:f => f}) %></p>
3: <%end%>
4:
Trace of template inclusion: app/views/tasks/main.html.erb
我試圖在rand_task輸出對象傳遞給_rand_show.html.erb和afterwartds調用一個新的可編輯的形式只爲ATTR我被intressted在id
形式:
<%= form_for(@task = Task.new) do |f| %>
<div class="field">
<%= f.label :name %><br />
<%= f.text_field :name, :disabled=>true %>
</div>
<div class="field">
<%= f.label :category %><br />
<%= f.text_field :category, :disabled=>true %>
</div>
<div class="actions">
<%= f.submit %>
</div>
<% end %>
隨機
方法:
def rand_task
if params[:id] == 'random'
@task = Task.order('RANDOM()').first
else
@task = Task.order('RANDOM()').first // if not i get a nill related error.
end
end
請幫助我爲什麼會得到上述錯誤?我正在考慮錯誤的概念嗎?