amcharts 4 react

Create-react-app is from Facebook, which allows us to quickly build a react development environment without configuration.Create-react-app automatically created projects are based on Webpack + ES6The following commands are executed:NPM Install create-react-app-g // Global Installation Create-

(URL, Options) . Then (checkstatus) . Then ( Parsejson) = { return {data}; }) . Catch (Err = ({err}));}Step two, build the Model (store) and inject it inPath: Models/home.jsImport {Gethomeinfo} from '. /services/home '; exportdefault{namespace:' Home ', state: {homeinfo: []}, Subscriptions: {Setup ({dispatch, history}) {//Eslint-disable-line}, the effects: {*gethomeinfo ({payload}, {call, put}) {//Eslint-disable-lineConst RESULT =yield Call (gethomeinfo, payload); const {D

); } get () {Fetch (' Data/word.txt '). Then (res) ={ if(Res.ok) {Res.text (). Then (data)={console.log (data); }) } }).Catch(res)/={console.log (res.status); }); } render () {return This.get}/> }}reactdom.render ());Fourth type: AxiosImport React from ' React '; import Reactdom from' React-dom '; import Axios from' Axios '; class

The previous article achieved the "delete" function, then we continue to add the next function-"change"The functionality of this modification is achieved by double-clicking each sub-optionStep one: Follow the rules to add a status statementStep two: The action in the contract what we want to do, and the other elements (text) to reducer (here Eidttodo Modify the outer edittodo)Step three: Reducer Central to update our store (believe it after comments about ... Grammar, Map loops and so on no long

problems encountered At present, the template is self-defined, the style is not good control in the component design, you can put the page data display place, split parent-child component nested structure, for example, the product data display list, the group of the outer container as a parent component, which is the data display of the rendering template, as a sub-component Do data interaction 1. Implementing the separation of parent-child components---Parent component re

| flex-end | center | baseline | Stretch ( Telescopic items occupy the telescopic container in the cross-axis direction, if the intersection axis is vertical, you can see the effect only if the height is not set.# # # #在React using Flexbox in nativeRN currently supports the following 6 properties of Flexbox:1.alignItemsused to define the alignment of the scaling item on the intersection axis, with the following syntax:Alignitems:flex-start (default v