컨디션

저번에 한 일

금번

실제 조작

controllers 폴더와views 폴더 복사

# cp -r コピーしたいフォルダの場所　ペースト先

migration 파일 만들기

rails g migration AddNameToStudents name:string gender:integer age:integer opinion:text
#　実行
 create    db/migrate/20190324043018_add_name_to_students.rb

DB에 반영

rails db:migrate

rooting 변경 내용

# 追加
resources :students
root to: 'students#index'

뷰 변경

# 今回不要なExamResultNewのリンク削除
# ログアウトリンクの作成
<% @students.each do |student| %>
      <tr>
        <td><%= student.try(:name) %></td>
        <td><%= student.email %></td>
        <td><%= student.try(:gender) %></td>
        <td><%= student.try(:age) %></td>
        <td><%= student.try(:opinion) %></td>
        <td><%= link_to 'Show', student %></td>
        <td><%= link_to 'Edit', edit_student_path(student) %></td>
        <td><%= link_to 'Destroy', student, method: :delete, data: { confirm: 'Are you sure?' } %></td>
        <%= link_to 'Log Out', destroy_student_session_path, method: :delete %>
      </tr>
    <% end %>

컨트롤러 변경

class StudentsController < ApplicationController
  before_action :authenticate_student!