课程简介：
Ruby on Rails开发培训课程介绍如何运用Ruby on Rails框架（RoR，或简称Rails）编写数据库支持的Web应用程序。学生将学习创建一个完整的Web应用程序的各个步骤，培训内容包括MVC范例，对象关系映射，表单、会话、验证技术、测试以及其他各种Rails的主题。
培训对象：
需要编写Rails应用程序或评估Rails框架的开发人员、系统管理员或IT经理。
预备知识：
学生已经学习过或熟悉Ruby编程语言、SQL数据库。了解HTML。
有关Ruby开发培训，请查看：Ruby开发培训课程
培训内容：
1. An Overview of Ruby on Rails
- What is Ruby on Rails?
- Overview of Rails Components
- Installing Rails
- A Simple Rails Application
- Starting the Rails Server
- Static Pages Within a Rails Application
- The Structure of a Rails Application
- Generating a Controller
- Rendering the View
- Adding a Static Page
- Dynamic Pages with Embedded Ruby
- Using the render Method
- Using the link_to Method
2. Rails and HTML Forms
- A Basic HTML Form
- Processing an HTML Form
- Working with Form Data
- Other Form Elements
- Form Tag Helpers
3. Databases and Rails
- Review of the MVC Architecture
- Entities and Relationships
- Databases and Models
- Rails Database Conventions
- Adding a Model
- Database Migrations
- The Rails Database Console
- Creating a Rails View of a Database Table
- Scaffolding
- RESTful Routes and Resources
4. Form Helpers and Validation
- Introduction
- Form Helpers and form_for
- Processing Form Helpers
- From Form to Database
- Redirection
- Data Validation
- Validation Helpers
- The presence Validator
- The numericality Validator
- The uniqueness Validator
- The length Validator
- The format Validator
- Custom Validation Methods
- The errors Object
- Displaying Validation Errors in the View
5. Adding Style to an Application
- Styling
- Rails and Sass
- Cascading Style Sheets
6. Users
- Introduction
- Configuring an Application for Sessions
- Registering Users
- The Register Action
- The flash Hash
- Validating the Registration
- Logging in
- Logging Out
- Protected Pages
- Filters
7. Putting It All Together
- Introduction
- The Business Application
- Database Terminology
- Linking Two Models
- Adding Tasks
- The Database Tables
- Displaying Employee Tasks
- Deleting a Task
- Listing Employees and Tasks
- Migrations
- Editing a Record
- Summary
培训天数：
2天
