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如何创建一个具有以下给出4个结果User.departments一个选择框底部的添加自定义选项:基于以下Rails 3的选择框帮手,如何在那些静态
Department.title (Department.abbreviation)
Department.title (Department.abbreviation)
Department.title (Department.abbreviation)
Department.title (Department.abbreviation)
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Add New Department
模型:
User.department_id
Departments (id, title, abbreviation)
我无法弄清楚的是如何在添加新部门的底部添加两个选项。
这是我到目前为止有:
<%= collection_select(:user, :department_id, Department.where(:id => current_user.department_id), :id, :title, {:prompt => true}) %>
感谢