探索Go Web编程实战指南 - Manning出版

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《Go Web Programming》是由Manning出版社出版的一本专门针对Go语言进行Web开发的指南。本书由SauSheong Chang撰写，旨在帮助读者掌握如何利用Go语言（Golang）构建高效、稳定的网络应用程序。Go语言以其简洁的语法、高效的并发处理能力和内存管理机制，在近年来逐渐成为Web开发领域的新宠。 Go Web Programming这本书涵盖了广泛的Go Web开发主题，包括但不限于以下几个关键知识点： 1. **Go语言基础**：首先，作者会引导读者深入理解Go的核心概念，如基本数据类型、流程控制、函数和方法、接口以及错误处理等，这些都是构建任何Web应用的基础。 2. **HTTP编程**：书中会详细介绍如何在Go中创建HTTP服务器，包括如何处理GET、POST等请求，以及如何实现RESTful API设计。Go的net/http包提供了强大的工具，使得构建Web服务变得相对简单。 3. **Web框架**：Go拥有像Beego、Echo和Gin这样的流行Web框架，书中会探讨这些框架的工作原理和使用方法，帮助开发者快速搭建项目架构。 4. **并发与性能优化**：Go的设计哲学强调了轻量级线程（goroutines）和通道（channels），作者会解释如何利用这些特性来提升Web应用的并发性能，避免常见的性能瓶颈。 5. **路由与中间件**：读者可以学习到如何设计灵活的路由规则和自定义中间件，以实现更精细的控制和扩展性。 6. **安全性**：书中也会涉及HTTPS、身份验证、会话管理和防止常见攻击（如CSRF、XSS）等内容，确保Web应用的安全性。 7. **部署与监控**：如何将Go应用部署到生产环境，以及如何使用各种工具（如Docker、Kubernetes）进行管理和监控，是这本书的重要部分。 8. **最佳实践与案例分析**：作者分享实战经验和最佳实践，通过实际项目展示如何将所学知识应用到真实场景中。此外，本书还特别强调版权保护，告知读者未经许可不得复制或电子传播内容。Manning出版社提供了优惠订购渠道，并提供邮箱支持以便获取更多信息。《Go Web Programming》是一本适合Go语言初学者和有经验的开发者深入学习和提升Web开发技能的实用参考书，对于希望利用Go语言进行现代化Web开发的读者来说，这是一本不可多得的资源。

acknowledgments

This book started with an idea to teach the basics of web programming with Go, using

nothing more than the standard libraries. I wasn’t sure if that would work, but the

readers who paid hard-earned money to buy my MEAP along the way gave me encour-

agement and motivation to push the idea through. To my readers, thank you!

Writing books is a team effort, and though my name appears on the front cover of

this one, it only exists because of the efforts of a large number of people:

■

Marina Michaels, my hardworking and efficient editor from the other side of

the world, worked tirelessly alongside me, ever ready to accommodate her

schedule to our dramatically different time zones

■

The Manning extended team: Liz Welch, copyeditor, and Elizabeth Martin,

proofreader, who with their eagle eyes helped spot my mistakes; Candace Gill-

hoolley and Ana Romac, who helped me market and promote this book; and

Kevin Sullivan and Janet Vail, who worked to take my raw manuscript and make

it into a real book

■

Jimmy Frasché, who gave the manuscript a full technical proofread, and my

reviewers, who gave valuable feedback at four stages of manuscript develop-

ment: Alex Jacinto, Alexander Schwartz, Benoit Benedetti, Brian Cooksey,

Doug Sparling, Ferdinando Santacroce, Gualtiero Testa, Harry Shaun Lippy,

James Tyo, Jeff Lim, Lee Brandt, Mike Bright, Quintin Smith, Rebecca Jones,

Ryan Pulling, Sam Zaydel, and Wes Shaddix

■

My friends from the Singapore Go community who helped me spread the word

on my new book as soon as the MEAP came out, especially Kai Hendry, who

made a long video from his comments on my book

ABOUT THIS BOOK

xviii

Chapter 4 continues with the details of handling HTTP requests—specifically, how

Go allows you to process the requests and respond accordingly. You’ll also learn how

to get data from HTML forms and how to use cookies.

Chapter 5 delves into the Go template engine provided in the

text/template

and

html/template

packages. You’ll learn about the various mechanisms provided by Go

and about using layouts in Go.

Chapter 6 discusses storage strategies using Go. You’ll learn about storing data in

memory using structs, in the filesystem using

CSV and the gob binary format as well as

using SQL and SQL mappers to access relational databases.

Chapter 7 shows you how to create web services using Go. You’ll learn how to cre-

ate and parse XML as well as JSON with Go, and how a simple web service can be writ-

ten using Go.

Chapter 8 gives insight into the ways you can test your Go web application at vari-

ous levels, including unit testing, benchmark testing, and

HTTP testing. This chapter

also briefly discusses third-party testing libraries.

Chapter 9 talks about how you can leverage Go concurrency in your web applica-

tion. You’ll learn about Go concurrency and how you can improve the performance of

a photo-mosaic web application using Go concurrency.

Chapter 10 wraps up the book by showing how you can deploy your web applica-

tion. You’ll learn how to deploy to standalone servers and to the cloud (Heroku and

Google App Engine), as well as in Docker containers.

The appendix provides instructions for installing and setting up Go on different

platforms.

Code conventions and downloads

This book contains many examples of source code both in numbered listings and

inline with normal text. In both cases, source code is formatted in a

fixed-width

font like this

to separate it from ordinary text. Sometimes code is in bold to high-

light code that has changed from previous steps in the chapter or code that is

discussed in surrounding text.

Also, colors are used to highlight code commands and code output:

curl -i 127.0.0.1:8080/write

HTTP/1.1 200 OK

Date: Tue, 13 Jan 2015 16:16:13 GMT

Content-Length: 95

Content-Type: text/html; charset=utf-8

<html>

<head><title>Go Web Programming</title></head>

<body><h1>Hello World</h1></body>

</html>

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