Action View Form Helpers — Ruby on Rails Guides

Forms are a common interface for user input in web applications. However, form markup can be tedious to write and maintain because of the need to handle form controls, naming, and attributes. Rails simplifies this by providing view helpers, which are methods that output HTML form markup. This guide will help you understand the different helper methods and when to use each. After reading this guide

[kdmgs110]

“ <%= options_for_select([['Lisbon', 1], ['Madrid', 2], ...]) %>”[Rails]

[azihsoyn]

“:start_date”

[sessan]

rails公式資料。ファイルアップロード部分の説明。

[HeRo]

railsガイド