Web 应用程序架构

Web Application Architectures

Learn how to build and deploy modern web application ar…



  • 分类: 计算机
  • 平台: Coursera
  • 语言: 英语

Learn how to build and deploy modern web application architectures – applications that run over the Internet, in the “cloud,” using a browser as the user interface.


This course explores the development of web application architectures from an engineering perspective. We will consider the fundamental design patterns and philosophies associated with modern web application architectures, along with their major components. By the end of this course, I expect you to be able to:

Design, develop and deploy a modern web application. This course is not about how to build a pretty web page, it’s about how to build and deploy the full stack of protocols and technologies associated with a complete web app. That said, it is not possible for you to become an expert in this area in a few weeks. My goal, rather, is to put you on the right path by providing a solid foundation and framework for understanding web applications, allowing you to dig deeper and learn more on your own. The next bullet points describe how we’re going to do this.

Understand the major architectural components in web apps, and how they fit together. Modern web apps are complex. A typical application has a database along with numerous scripts on one end of the web stack, a web server in the middle that delivers information over the Internet, and a user’s browser on the other end of the web stack. Even getting started in trying to understand these components can be overwhelming. Consider just the programming languages involved in a typical web stack: from the database (SQL), to the web server (scripting language), to the browser (JavaScript, HTML, CSS), we’re dealing with five different programming languages, not to mention the protocols they’re operating over – and you need to know a little about them too! We’ll introduce a number of software design patterns throughout the course that are aimed at helping you to manage this complexity.

Use Ruby on Rails. We’re going to learn about web apps through the Ruby on Rails framework. Rails is a framework for creating web applications that is built on top of the Ruby programming language. I believe this is one of the best frameworks for learning about web applications, and it’s also proving highly successful as a platform for commercial offerings. That said, there are many other frameworks available, and the concepts you will learn using Rails are transferable to these other frameworks.

Better understand modern software engineering practice. We’ll be using the latest tools and practices in software development, source code control, testing, and application deployment. This will include exposure to agile development practices, the numerous tools that software engineers are expected to know how to use, and the cloud-based resources that are becoming increasingly important in web applications.


Week One – Module 1: Introduction and Background
Lecture 1: Historical Perspective
Lecture 2: What is a Web Application?
Lecture 3: Web 1.0, 2.0, 3.0 Application Architectures
Lecture 4: Design Patterns
Lecture 5: Setting up Your Development Environment

Week Two – Module 2: Ruby on Rails
Lecture 1: Rails Overview
Lecture 2: Your First Rails App
Lecture 3: The Blog App – Iteration 1
Lecture 4: Rails Philosophy
Lecture 5: Version Control
Lecture 6: Git and Rails

Week Three – Module 3: Database Interactions
Lecture 1: Relational Databases
Lecture 2: Databases in Rails
Lecture 3: The Active Record Design Pattern
Lecture 4: The Blog App – Iteration 2 (Associations)
Lecture 5: The Blog App – Iteration 3 (Validations)

Week Four – Module 4: The Ruby Programming Language
Lecture 1: Ruby Background
Lecture 2: Classes and Inheritance
Lecture 3: Objects and Variables
Lecture 4: Strings, Regular Expressions and Symbols
Lecture 5: Expressions and Control Structures
Lecture 6: Collections, Blocks and Iterators

Week Five – Module 5: Middleware
Lecture 1: What is Middleware?
Lecture 2: The Hypertext Transfer Protocol (HTTP) – Introduction
Lecture 3: HTTP – Request
Lecture 4: HTTP – Response
Lecture 5: The Model-View-Controller (MVC) Design Pattern
Lecture 6: Rails Controllers – Request Handling
Lecture 7: Rails Controllers – Response
Lecture 8: MVC Implementation in Rails
Lecture 9: The Blog App – Iteration 4

Week Six – Module 6: Presentation/User Interface
Lecture 1: Introduction and Background
Lecture 2: HTML – Basic Syntax
Lecture 3: HTML – Document Structure
Lecture 4: HTML – Forms
Lecture 5: Dynamic Content
Lecture 6: Cascading Style Sheets (CSS)
Lecture 7: JavaScript and jQuery
Lecture 8: Ajax
Lecture 9: The Blog App – Iteration 5


This is a rigorous course that will involve a significant amount of programming and additional reading on your own in order to get the most out of the class. I expect you to be proficient in some object-oriented programming language, e.g. C++, C#, Python, Java, or Ruby. Don’t worry if you don’t know Ruby or Ruby on Rails at the moment, we’ll teach it to you as a part of the course.


The class is broken up into six modules. Each consists of a set of lecture videos, which are between 6 and 12 minutes in length. Each module contains quiz questions and homework assignments that are not part of video lectures.


Will I get a Statement of Accomplishment after completing this class?
Yes. Students who successfully complete the class will receive a Statement of Accomplishment signed by the instructor.

What resources will I need for this class?
For this course, all you need is an Internet connection, a computer onto which you can load the Ruby on Rails development environment (we’ll tell you how), and the time to watch the videos and develop/debug/test web app code.

What is the coolest thing I’ll learn if I take this class?
How to build and deploy a modern web application that supports a great idea you have, or a business opportunity you’ve dreamed up.

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