Skip to Content
React学习手册
book

React学习手册

by Alex Banks, Eve Porcello
December 2017
Intermediate to advanced
329 pages
6h 9m
Chinese
China Electric Power Press Ltd.
Content preview from React学习手册
组件扩展
165
外一个
React
组件。通常,
HOC
会使用一个能够维护
State
或者包含若干功能的类来包
装输入的组件。高阶组件是组件之间功能复用的最佳方式。
不兼容
Mixin
直到
React v0.13
版本,给
React
组件集成新功能的最佳方式都是采用
Mixin
技术。
Mixin
是通过创建一个可以被当作可配置属性的类来直接给组件添加功能的。用
户仍然可以通过
React.createClass
使用
Mixin
技术,不过
ES6
的类和无状态函数
式组件并没有为该技术提供支持。将来版本的
React
也不会再支持该技术。
一个
HOC
允许我们使用其他组件包装一个组件。父组件可以保留
State
或者将若干功能
作为属性向下传递给合成的组件。合成的组件并不需要知道任何与
HOC
代码实现有关
的信息,除了它提供的属性和方法的名称。
看一下
PeopleList
这个组件。它从一个
API
中载入若干随机用户,然后渲染了一个成
员名称的列表。当载入用户时,会显示一个正在载入的提示信息。一旦用户载入完
毕,他们将会被显示在
DOM
上:
import { Component } from 'react'
import { render } from 'react-dom'
import fetch from 'isomorphic-fetch'
class PeopleList extends Component {
constructor(props) {
super(props)
this.state = {
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.

Read now

Unlock full access

More than 5,000 organizations count on O’Reilly

AirBnbBlueOriginElectronic ArtsHomeDepotNasdaqRakutenTata Consultancy Services

QuotationMarkO’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.
Head of Cybersecurity
QuotationMarkI 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.
Field Engineer
QuotationMarkI’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.
Data Platform Tech Lead
QuotationMarkI'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.
Mark W.
Embedded Software Engineer

You might also like

React快速上手开发

React快速上手开发

Stoyan Stefanov
C++语言导学(原书第2版)

C++语言导学(原书第2版)

本贾尼 斯特劳斯特鲁普

Publisher Resources

ISBN: 9787519814236