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課程介紹
In this beginner-friendly lesson, students will learn the essentials of Ruby on Rails by creating a simple blogging system. This project-based approach is designed to introduce key concepts in Rails, such as the MVC (Model-View-Controller) framework, routing, and CRUD (Create, Read, Update, Delete) operations. By the end of this lesson, students will have a functioning blog where users can create, edit, and delete posts, as well as view a list of all posts.
Lesson Objectives:
- Understand the structure of a Ruby on Rails application.
- Set up a new Rails project and configure necessary files.
- Learn the MVC pattern and its role in web development.
- Use Rails’ routing, controllers, and views to manage user interactions.
- Implement CRUD operations to create, edit, update, and delete blog posts.
Lesson Breakdown:
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Introduction to Ruby on Rails and the MVC Framework
- Overview of Rails and why it's a popular choice for web development.
- Explain the MVC pattern and how it organizes code in Rails.
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Setting Up a New Rails Project
- Guide on installing Rails (if not already installed).
- How to create a new Rails application and understand the folder structure.
- Start the Rails server and explore the default pages.
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Creating the Blog’s Models and Database
- Set up a Post model with attributes for title and content.
- Use Rails migrations to create a database table for storing blog posts.
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Building Controllers and Views for CRUD Functionality
- Generate a Posts controller and create actions for each CRUD operation (create, read, update, delete).
- Build views with forms to add new posts, edit existing ones, and delete posts.
- Display all posts on a homepage with links to individual post pages.
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Routing and Navigating the Blog
- Set up RESTful routes for posts, enabling easy navigation within the application.
- Link different pages together and test functionality for a seamless user experience.
Interactive Activities:
- Build-A-Blog: Hands-on activity where students follow along to build each piece of the blog.
- Code Challenges: Small exercises to reinforce MVC understanding and CRUD operations.
- Feature Enhancement: Ideas to expand the blog with additional features like comments or tags for further learning.
By the end of this lesson, students will have created a simple blogging application and gained practical experience with Ruby on Rails, setting them up for more advanced projects in the future.
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