December 2017
Intermediate to advanced
329 pages
6h 9m
Chinese
Content preview from React学习手册
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180
第
8
章
Redux
Redux
（
http://redux.js.org
）
已经毋庸置疑地成为了众多
Flux
或类
Flux
库中的翘楚之
一。
Redux
是基于
Flux
的，旨在处理应用程序中数据流变化的问题。
Redux
是由
Dan
Abramov
（
https://github.com/gaearon
）和
Andrew Clark
一起开发的。因为创建了
Redux
的缘故，他们都被邀请加入了
Facebook
的
React
研发团队。
当
Andrew Clark
开始帮助
Dan
研发
Redux
时，他同时还在研发第
4
版的
Flummox
，它是
另外一款基于
Flux
的脚本库。
Flummox
的
npm
页面（
https://www.npmjs.com/package/
flummox
）
这样说过：
4.x
应该是最后一个主版本，但是目前来看永远不可能了。如果希望使用最新的
特性，请改用
Redux
，它真的很棒。
注
1
Redux
库的尺寸小得惊人，只有
99
行代码
(
http://bit.ly/2nawjzD
)
。
如前所述，
Redux
即类
Flux
的脚本库，但是它不完全是
Flux
。它包含
Action
、
Action
生
成器、
Store
，以及用于修改
State
的
Action
对象。
Redux
通过移除
Dispatcher,
对
Flux
的概念进行了一些简化，并使用单个不可变对象表
示应用程序的
State
。
Redux
还引入了
Reducer
，它并不是
Flux
模式中的内容。
Reducer
是纯函数，它会根据当前的
State
和
Action
返回一个新的
State
：
(state ...
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O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.