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我想打電話叫方法的自定義的方法,讓我們說「get_divisions_by_school_id」和simple_form_for傳遞參數給一個由符號
而不是一個變量傳遞給方法:師,我要打電話:get_divisions_by_school_id(@ school.id)在下面的代碼:
我想是這樣的:
<%= f.grouped_collection_select(:division_id, @teacher.standards, :get_divisions_by_school_id(@school.id), :id, :id, :name, {:class => "input-box-width1", :required => true},{:multiple=>true}) %>
':get_divisions_by_school_id(@ school.id)'是不是有效的語法。如果你想調用這個方法,不用冒號(':')來調用它。 – Santhosh