这个答案与
ransack
因为我对液体没有经验,它似乎不属于手头的问题。
我假设如下
class Course < ApplicationRecord
belongs_to :teacher
has_many :articles
end
title_or_teacher_firstname_or_articles_title_cont
例如
<form class="search" method="get" action="{{ request.url_helpers.courses_path }}">
<input type="text" placeholder="Search" name="q[title_or_teacher_firstname_or_articles_title_cont]" value="" />
<input type="submit" value="Search" />
</form>
class SearchController < ApplicationController
def index
@q = Course.ransack(params[:q])
@courses = @q.result
end
end