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我想傳遞一個參數到我的f.text_field,但我不斷收到一個錯誤。 「錯誤的參數數目(3 1..2)」如何將參數檢索到f.text_field?
<%= f.text_field :location, params[:location], placeholder: "Enter Zipcode", class: "form-control" %>
我想傳遞一個參數到我的f.text_field,但我不斷收到一個錯誤。 「錯誤的參數數目(3 1..2)」如何將參數檢索到f.text_field?
<%= f.text_field :location, params[:location], placeholder: "Enter Zipcode", class: "form-control" %>
<%= f.text_field :location, placeholder: "Enter Zipcode", value: params[:location], class: "form-control" %>
def edit
@city = City.find_by(id: params[:id])
end
<%= form_for(@city, :html => { :multipart => true, :class => "form-horizontal" }) do |f| %>
<%= f.text_field :location, class: "form-control", required: :required, placeholder: "Enter Zipcode" %>
<% end %>