我的 Ruby on Rails 项目的创建视图遇到了很多麻烦。该模型称为 grouponepage 。
这是我的new.html.erb:
<%= simple_form_for @postings1314 do |r| %>
<div>
<%=@postings1314.label :firstName%>
<%=@postings1314.text_field :firstName%>
</div>
<div>
<%=@postings1314.label :lastName%>
<%=@postings1314.text_field :lastName%>
</div>
<div>
<%=@postings1314.label :age%>
<%=@postings1314.text_field :age%>
</div>
<div>
<%=@postings1314.label :bio%>
<%=@postings1314.text_field :bio%>
</div>
<div>
<%= @postings1314.submit %>
</div>
<%end%>
这是我的grouponepostings_controller.rb:
class GrouponepostingsController < ApplicationController
def index
@postings1314 = Grouponepage.all
end
def show
@posting1314singular = Grouponepage.find(params[:id])
end
def new
@postings1314 = Grouponepage.new
end
end
最后,仅在渲染视图时才会发生错误,显示:
Users/______/Desktop/TeenRecuiter/app/views/grouponepostings/new.html.erb where line #1 raised:
undefined method `simple_form_for' for #<#<Class:0x007f9de8119850>:0x007f9de6fc4ca8>
答案 0 :(得分:1)
我想您需要添加此宝石 https://github.com/plataformatec/simple_form
将其添加到您的Gemfile中:
gem 'simple_form'
运行以下命令进行安装:
bundle install
运行发电机:
rails generate simple_form:install