初识redux走向redux-react】的更多相关文章

作者数次强调,redux和React没有关系(明明当初就是为了管理react的state才弄出来的吧),它可以和其他插件如 Angular, Ember, jQuery一起使用.好啦好啦知道啦.Redux的初衷就是为了管理UI的状态,触发state的更新作为对action的回应. 文档举的例子是一个todo App. 安装react-redux: npm install --save react-redux redux Presentational and Container Component…
废话不多说,先上一张图 首先记住redux设计思想 Web应用是一个转态机,视图与转态是一一对应的 所有的转态,保存在一个对象里 1.store 存储数据的容器,整个应用只有一个state,Redux提供createStore这个函数生成Store,Redux store保存了根reducer返回的完整state树 const { createStore } = require('redux') //创建store的时候就要把reducer放进去,reducer改state,state写在red…
As I am sure you have heard a bunch of times, by now, React is the V in MVC. I think you can think of Redux as the M. Really, React + Redux kind of also act as the C. So, you could just manage your state directly within your React components, and in…
We will learn how adding React Router shifts the balance of responsibilities, and how the components can use both at the same time. Now when we click the filter, the url changes, but the todos list doesn't change. So continue with that. Router only r…
We will learn how to change the address bar using a component from React Router. In Root.js: We need to add a param to change the Route: import React from 'react'; import {Provider} from 'react-redux'; import {Router, Route, browserHistory } from 're…
回顾:Redux: 类似于 Vuex 概念:store/reducer/action action:动作 {type,.....} 一定要有type 其他属性不做限制 reducer:通过计算产生state 公式:(state,action)=>newState store: 容器 getState() 获取所有状态 dispatch(action) dispatch里面可以跟对象和函数, -- 函数需要单独处理--中间件 subscribe(监听函数);-- watch 触发条件: 1.dis…
chrome扩展程序里搜索Redux DevTools进行安装 新建store的时候,进行如下配置. import { createStore, applyMiddleware ,compose} from 'redux'; import reducer from './reducer' import thunk from 'redux-thunk' const composeEnhancers = window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__ ? wi…
1: state 就像 model { todos: [{ text: 'Eat food', completed: true }, { text: 'Exercise', completed: false }], visibilityFilter: 'SHOW_COMPLETED' } 2: action, 普通的 javascript 对象, 用来描述发生了什么, 里面除了type 必须的, 还会其它属性值来改变 state. { type: 'ADD_TODO', text: 'Go to…
Higher Order Reducers are simple reducer factories, that take a reducer as an argument and return a new reducer. In that new reducer, you can customize the behaviour of the original one which helps reducing the reducer logic. In this lesson, we'll se…
Redux 版本:3.7.2 Redux 是 JavaScript 状态容器,提供可预测化的状态管理. 说白了Redux就是一个数据存储工具,所以数据基础模型有get方法,set方法以及数据改变后通知的对象subscribe订阅者. getState: getter(取) dispatch: setter(存) subscribe: 订阅 Redux 提供了五个方法 createStore combineReducers bindActionCreators compose applyMiddl…