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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
Redux
199
该属性键下面是否包含数据,如果包含数据,那么可以用该数据初始化
State
。只需几
行代码,我们就可以在浏览器中拥有持久化的
State
数据:
const store = createStore(
combineReducers({ colors, sort }),
(localStorage['redux-store']) ?
JSON.parse(localStorage['redux-store']) :
{}
)
store.subscribe(() => {
localStorage['redux-store'] = JSON.stringify(store.getState())
})
console.log('current color count', store.getState().colors.length)
console.log('current state', store.getState())
store.dispatch({
type: "ADD_COLOR",
id: uuid.v4(),
title: "Party Pink",
color: "#F142FF",
timestamp: new Date().toString()
})
每次我们刷新这些代码后,我们的
colors
列表都会因为新增一种颜色而变得更大。首
先,在
createStore
调用过程中,我们会检查
redux-Store
这个属性键是否存在。如果 ...
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Publisher Resources

ISBN: 9787519814236