One document result Redux, Eact Redux, edux Saga

Time:2021-7-28

Redux, Eact Redux, edux saga results

One document result Redux, Eact Redux, edux Saga

Front wheel

Hello у OK, I don’t know. It’s a matter of timereduxAs for the new products in the series, they will not be separated from each other, and they will be locked for more than one timeOne document result Redux, Eact Redux, edux Saga(inclusive) all these fabrics shall be kept in a safe place? Code > Redux, Eact Redux, edux thunkRedux Sage: mmutable(see Figure 1 or 2) after finding out the point sensor, the payment will be made? The number of recipients is based on the number of users? span class=”img-wrap”>One document result Redux, Eact Redux, edux Saga)Then, if you can’t find a field, you will give it to a user

Setting up the computer/ h2>

JavaScript cable failure/ h3>

  • Output data processor/ Strong > there is an example in the listCable failure/ strong>,JavaScript(b) the range described by the output quantity editing program, such as the output quantity from all levels/ li>
  • Where? Code > react, NoGeneral requirements for the effectiveness of drug delivery(2) in the case of the company or its representativeReduxIt is not necessary to add the following items, so we must calculate them as [a number of letters]
  • The number of valid medication results is one?

    • The number of times the drug is effective is the number of times the drug is effective, and the results of a given time are the same
    • The output quantity is in the verification process and cannot be changed х Before birth/ li>
  • Cable failure?Pure Function)Each item of the?

    • You can’t buy the electric quantity in the output quantity
    • It is not allowed to use the current time or hour, because the result can be changed
    • It is not possible for the user to use the full screen? For example, DOM, files, data, and inventory (because if you want to change the tree, you can specify the results that will affect the effectiveness of the product)
    • The number of drugs in the cable number cannot be changed? Otherwise, the result of the output quantity will be changed/ li>

Cable failure in react/ h3>

  • The output quantity of the main valve is not common in the coding process of the main valve:/ p>

    • It is necessary to add the contents of the possible installation and the application of the specified performance
    • If you need to write down the number of letters, you can edit a lot of professional tasks, but you don’t need to change the number of related essential components or the number of patients in the hospital
    • When the electricity is generated, the definition of the transmission line will not be changed according to the plan. In addition, the input of the defined line shall be the same as the output of the defined line
  • There is a rule of one character in react when it is added:

    • The Eact assembly must be “wired” with an image? The “props” of a single column cannot be changed

Set Redux

What’s the need edux

  • JavaScriptThe application found has been obtainedNon return valveBang?

    • JavaScriptRequirements for management of the system/ Strong > to replace the mattress replacement plate
    • These include the data returned by the server? Data of electric brush operation? Including the first party? Code > UI status/ li>
  • Manage non breaking? Code > state is non common:

    • What is the location of the barrier storage for the customer/ Strong >, the number of a failed disk will change to the number of a failed disk,ViewThis item has a number that may affect the quality of the product
    • When the temperature plate is replaced,stateAt what time? As a result, the change area of the sample is generated due to the addition of the electrical signal? There will be no common brake and brake

One document result Redux, Eact Redux, edux Saga

Operation of react/ h3>

  • ReactIt’s not just a visual requirement, but also a visual requirement? Code > DOM release procedure? Are youstateThe pane then instructs me to manage:

    • No, it is defined by the groupstateYes, it is the speed of the grouppropsThis will be deleted/ li>
    • This includes the following:ContextWhat is the time between these data/ li>
    • ReactTo manage the general view or management view:? Code > state if you want to maintain the system, it is determined by me

One document result Redux, Eact Redux, edux Saga

  • ReduxIt will be a job for me to manage? Code > State

    • ReduxYes? Code > JavaScript editor? Provide the pre-determined management of the system/ li>
  • ReduxAnnex and? Code > react a single cell phone? They can also store and other materials for use (e.g? Code > Vue:? In addition, it is required to specify the non common areas (including the local areas)? kb)
  • Redux management? Store

    • ReduxFast management of non-standard cards/ li>
    • For example, one or more of the following tasks needs to be managed:

      • If you don’t have a set of data to operate this field, the patient can’t adjust the number of data/ strong>
      • For example, multiple items of the itemproducts.pushThe prescription of is added with a piece of data every day/ li>
      • For example, you can use one of the following methods:products[0].age = 25Modify a piece of data/ li>
  • The number of application keys has expired and appearsbugThe changes that occur when you track the product/ li>
  • One document result Redux, Eact Redux, edux Saga

    Redux management? action

    • ReduxRequired or requiredactionBar update? Code > State:/ p>

      • The number of the selected data must be displayed through thedispatchBar number? Code > action bar update/ li>
      • actionIt is a single messageJavaScriptYes, use the bar to scan these updatedtypeAnd? code>content
  • For example, the following table will be updatedfriendsYes? code>action:

    • For use in remote controlactionThe most important thing is that you can find the change of the data to the right sample. In particular, the data version of the list can be changed later/ li>
    • After that, I’m the one before the itemactionIt’s a fixed right. If it’s a fixed right, I’ll pay it back to you through the number rule? code>action
  • One document result Redux, Eact Redux, edux Saga

    Redux management? reducer

    • How are you? Code > state and? Code > action contact address:? The default value isreducer

      • reducerIt is a unique number
      • reducerThe mobile phone will be connectedstateAnd? Code > action to generate or submit a new contract? code>state

    One document result Redux, Eact Redux, edux Saga

    Three days of Redux у Master brush/ h3>

    • Single data source/ strong>

      • Number of applications? Code > state has been saved in the first item? Code > object tree? And thisobject treeSaved in a? code>store
      • ReduxIn addition, it is impossible to create a new life because you have already done soStoreHowever, it is a discount for the patient and not for the data/ li>
      • A single data source can be used to adjust the corresponding data sourcestateParty B can maintain and approve the payment/ li>

  • State is requested

    • Unique modificationstateThe whole prescription of the is as follows:action, it is not necessary to click on any other prescription to modify itstate
    • This will be the sampleViewOr the request cannot be directly modifiedstate(from the company’s functions)actionThe bar scan has already been completed, such as overall expense? code>state
    • In this way, the samples can be modified and processed according to each other’s requirements, and the samples can be processed according to each other’s requirements ц Yes, all items are not required? Code > race condition? Questions for/ li>
  • Use a cable to run the computer ц Make modification

    • ThroughreducerRemove thestateAnd?actionContact address:? And return a new one? code>state
    • If the duplicate rights of the address application are increased, we mayreducerSplit into several pieces? Code > reducers, which can be divided into different operations? Code > one division of state tree
    • Are you allreducerThe response request is invalid and cannot be changed х How to use it
  • Redux’s business center/ h2>

    Key APIs in Redux

    reduxInstallation of?yarn add redux

    1. createStoreYou can create a document by phonestoreThin silicon
    2. store.dispatchElectric power supplyaction , action Send tostore
    3. reducerCollectionaction,reducerTo exit a new status, click OK(storeCharge allocationreducer)
    4. store.getStateThese new methods can be used to set up the user interfacestoreCheck all the data in the system
    5. store.subscribeParty A may purchase or purchase insurance. Seestore Changes to, as requiredstoreChanges occurred:?store.subscribeHereThese are the numbers of the output quantity collection/ Strong > to be scanned/ li>

    One document result Redux, Eact Redux, edux Saga

    End result

    1. To createsotore, specify the storage status of the store/ li>
    2. To createaction, what is the operation of the electric brush in every process/ li>
    3. To createreducer, reducer collects the action and requests the updated action/ li>

    Redux’s electronic procedures/ h3>

    1. To create a device? You need to save your life/ li>
    2. To createStoreBar storage? code>state

      • To createstoreIt is necessary to make a reservation? code>reducer
      • Or you can usestore.getStateRight number: currentstate
    3. ThroughactionRight deposit? code>state

      • ThroughdispatchBar number? code>action
      • Quick responseactionThere may betypeReturn э Otherwise, you can use other data
    4. ModifyreducerProcessing code in

      • To close a required admission:? Code > reducer is a software? Strong > cable failure/ Strong > it cannot be changed? code>state
      • After that, it will change to control? Code > state common questions/ li>
    5. You can click here? Code > before action:? Code > change area of store/ li>
    import { createStore } from 'redux'
    
    //1. Create a state
    const initState = { counter: 0 }
    
    //2. Reducer cable failure? States that will be deleted cannot be modified
    function reducer(state = initState, action) {
      switch (action.type) {
        case 'INCREMENT':
          return { ...state, counter: state.counter + 1 }
        case 'ADD_COUNTER':
          return { ...state, counter: state.counter + action.num }
        default:
          return state
      }
    }
    
    //3. Store can be an educator
    const store = createStore(reducer)
    
    // 4.action
    const action1 = { type: 'INCREMENT' }
    const action2 = { type: 'ADD_COUNTER', num: 2 }
    
    //5. See the store's general expenses? store.subscribe(() => {
      Console.log ('state changes', store.getState().counter)
    })
    
    //6. Action
    store.dispatch(action1)
    store.dispatch(action2)

    One document result Redux, Eact Redux, edux Saga

    Redux group distribution

    • If you want to save the selected edit codes, you can add them to a list? Clean up? Code > Redux can be reused to maintain the partition
    • Yes, please do it? Ho? Code > store, educator, interaction, and constants are divided into one file or another

    <details>
    < summary > drop items < / summary >
    One document result Redux, Eact Redux, edux Saga
    </details>

    Redux operating procedures

    One document result Redux, Eact Redux, edux Saga

    Redux payment process/ h3>

    One document result Redux, Eact Redux, edux Saga

    Power of react Redux/ h2>

    Redux re entering the react code (case)

    • reduxRe enterreactCode case:

      • HomeComponent (current value of the purchase order)? Code > counter, and select one in the “counter” menu? 1 and 2? 5 button/ li>
      • ProfileComponent (current value of the purchase order)? Code > counter, and select one in the “counter” menu? 1 and 2? 5 button/ li>

    One document result Redux, Eact Redux, edux Saga

  • The code must be interpreted by the software

    • Where?componentDidMount Once the data is changed, it will be reset when the data is changed?counter
    • Adjust the power when the power point is out? Code > store? Code > corresponding to the dispatch boardaction
  • Customized connect output

    When I am not a member of the company? Code > Redux? For example, refer tostateTo cancel, seestateOr? Wa fearactionLuan Fengstate

    Install the code for more than 50 minutes, and it will not be displayedstateAnd? Code > dispatch if the number is deleted/ p>

    One document result Redux, Eact Redux, edux Saga

    //  connect.js 
    import React, { PureComponent } from 'react'
    import { StoreContext } from './context'
    /**
     *1. Application number? Return to one high valve assembly* You will need to delete a key? State and? The dispatch bar can be changed by state or through the dispatch bar
     *
     *2. Use the following components:
     *To delete a required asset? Store Group*
     *3. Do not use:
     *Fold the code to the high valve assembly, and change the state and state of the assembly? dispatch
     *Count by using mapstatetoprops() or apdispatchtoprops()
     *In addition, the state and ispatch provided by the organization will be used together. Other organizations that use the store will not necessarily use the store
     *
     *4. Connect.js: meeting table
     *Item: it refers to the number of connected items in an enterprise х No. (store of the guide)
     *Meeting: is it right to provide a provider? The provider right is for me* Context: the customer will add the store into the account and then operate
     */
    export function connect(mapStateToProps, mapDispatchToProps) {
      return function enhanceComponent(WrapperComponent) {
        class EnhanceComponent extends PureComponent {
          constructor(props, context) {
            super(props, context)
    
            //State of the assembly
            this.state = {
              storeState: mapStateToProps(context.getState()),
            }
          }
    
          //Refer to the data generation page, and then use setstate to re render
          componentDidMount() {
            this.unsubscribe = this.context.subscribe(() => {
              this.setState({
                centerStore: mapStateToProps(this.context.getState()),
              })
            })
          }
    
          //The assembly is blocked by the brake valve? componentWillUnmount() {
            this.unsubscribe()
          }
    
          render() {
            //The following rappercomponent objects are:? Home component (it will be the selected component)
            //You need to delete the required state and ispatch props of the request group? return (
              <WrapperComponent
                {...this.props}
                {...mapStateToProps(this.context.getState())}
                {...mapDispatchToProps(this.context.dispatch)}
              />
            )
          }
        }
        //Check out the value provided by the provider
        EnhanceComponent.contextType = StoreContext
        return EnhanceComponent
      }
    }
    
    // home.js
    //Specify the state and ispatch of the assembly
    const mapStateToProps = state => ({
      counter: state.counter,
    })
    
    const mapDispatchToProps = dispatch => ({
      increment() {
        dispatch(increment())
      },
      addNumber(num) {
        dispatch(addAction(num))
      },
    })
    Export default connect (mapstatetoprops, mapdispatchtoprops)?

    Use react Redux

    • It is not necessary to have one person before startingreduxAnd? Code > react does not have any relevant information. You can buy edux in react, angular, ember, jQuery, or vanilla JavaScript
    • This is an example of a sample process that has come from an example of a situation where the Department of planning is a way to get a sample. Redux’s charter is an update of the contract between Redux, then, and the store of medicine and react and react or an EKU’s store. The store of the store of the store of a person who has a lot of ideas, and that’s a way to get things done. After the Redux Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux can mutually update the store of medicine, react, react, and react, or a store of the store of a reaction, or a store of a store of a store, and a store of a store of a store of a store, and a store of a store of a store of a store, and a store of a store of a store. So that people’s what’s doing, so that what’s what’s what’s doing is that what/ li>
    • It has not been confirmed or found before? Code > connect? Code > the provider has completed the connectionreduxThe temperature function of Eact is defined as:? Code > Redux payer or provider? Code > react Redux stores, which can be purchased in items only, and can specify the number and height of existing items that will be added by editing/ li>
    • Installationreact-reduxWhat/ p>

      • yarn add react-redux
    // 1.index.js
    import { Provider } from 'react-redux'
    ReactDOM.render(
      <Provider store={store}>
        <App />
      </Provider>,
      document.getElementById('root')
    )
    
    // 2.home.js
    import { connect } from 'react-redux'
    //Specify the required state and ispatch (output quantity) as a pair of devices?
    export default connect(mapStateToProps, mapDispatchToProps)(About)

    React Redux power cord toner

    One document result Redux, Eact Redux, edux Saga

    Room in Redux Middleware/ h2>

    Operation in the assembly center/ h3>

    • In the case of the previous documentreduxFor purchasecounterIt is a piece of data specified in this document

      • Or you can directly connect with each other through the operation of the following stepsdispatch actionWhat? Code > state will be updated/ li>
      • Do you want to view the patient number? Code > what you want to buy in ReduxGlobal data can be used as a server/ Strong > What do I need to do? Strong > request for steps/ Strong > and then save the data toreduxJuan/ li>

  • Network request can be made at? Code > class group? Code > componentdidmount center, I can only have the result of this sample?
  • One document result Redux, Eact Redux, edux Saga

    Operation in Redux Center/ h3>

    • A company’s assets must have a risk

      • Or it must be? Strong > the details required by the website request are placed in the group’s email address for completion
    • Please place the address required by the website? Code > Redux renewal management?

      • With the increase of the code, for example, if the network requests that the number be gradually reduced in the period of the group, the group will become thinner and more suitable for recovery
      • For example:The data required by the network request is divided into three parts under the network managementThe only way to change is to separate them? Code > Redux board management/ li>

    One document result Redux, Eact Redux, edux Saga

    • Where are you? Code > Redux: for example, you can perform the following operations:

      • Use a middle space( Middleware)
      • What’s this? Code > express or? Code > the interface of the koa box frame is not generated for the general requirements in the middle
      • In these boxes:? Code > middleware can help you find or locate? Strong > the request and operation should be based on the same operation code, such as ookie error, date list, and record the operation of the document

    Manage Wu В Middle space? Reading point)

    • reduxWhat’s the differenceMiddle space/ Strong > (Middleware)

      • The items in these < font color =’Red ‘> spaces aredispatchYes? Code > action and requiredreducerDuring this period, the code of all the suppliers is < / font >
      • For example, when the record is deleted? Strong > use step control port

      . add adjustment request function/ li>

      One document result Redux, Eact Redux, edux Saga

      • redux-thunkThis is a request that you can send to others if you click OK

        • By default, it is described in the condition tabledispatch(action)What? Code > action is required to? Code > JavaScript counterpart/ li>
        • redux-thunkYou can set? code>dispatch(actionOutput quantity,action<font color=’red’>It can be a number/ strong></font>
        • Please note that the number is adjusted? And the profile will be divided into two numbers? Up to? Code > dispatch output and? Code > getstate output quantity

          • dispatchThe output quantity is less than or equal to the number of seconds before it is returnedaction
          • getStateThe number of people who need to be authorized by the company is the number of people who can be authorized by the company/ li>

    Redux thunk battery/ h3>

    1. Installationredux-thunk

      • yarn add redux-thunk
    2. Where? When code > store is selected, it should bemiddlewareYes? Code > enhance output quantity

      • ThroughapplyMiddlewareEnd of bar? Code > middleware, return to one? code>enhancer
      • Ho? Code > enhancer: the second number of errors is returned tocreateStoreJuan/ p>

        One document result Redux, Eact Redux, edux Saga

    3. To return a validaction

      • It is agreed that these acts are not only a pair of devices in the future, but also a pair of devices? Strong > output quantity
      • Please note thatdispatchAfter that, it will be released ц 

      One document result Redux, Eact Redux, edux Saga

    <details>
    <summary>Setting the code</summary>
    <pre>Import {createstore, applymiddleware} from 'Redux' import reducer from '. / reducer' import thunk from 'Redux thunk' < br / > const store = createstore (reducer, applymiddleware (thunk) // applymiddleware can be used in different places ā What? br>) export default store</pre></details>

    redux-devtools

    Redux devtools plugin

    • Why did you buy it? Code > Redux can conduct verification and service for the “person in charge” of mutual research (for example, the patient is divided into two groups):/ p>

      • reduxLet me provide you with the following informationredux-devtoolsWhat’s your relationship/ li>
      • Since these people are already in possession, we can only find out that if the money is received, it will be changed in the future/ li>
  • Use the following:

    • Chapter I installation on the machine? a target=”_ blank” href= https://chrome.google.com/webstore/detail/redux-devtools/lmhkpmbekcpmknklioeibfkpmmfibljd/related?utm_ Source = chrome NTP icon > Redux devtools
    • Chapter 2: Location? Code > collection in Redux? Code > interval of devtools
  • //Store.js = edux devtools temperature
    import { createStore, applyMiddleware, compose } from 'redux'
    
    //Composeenhancers output
    const composeEnhancers =
      window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({ trace: true }) || compose
    
    //Use the applymiddleware board to create an iddleware and return to an nhancer
    const enhancer = applyMiddleware(thankMiddleware)
    
    //Through enhancer, you can send the second batch of data to the createstore? const store = createStore(reducer, composeEnhancers(enhancer))
    
    export default store

    redux-sage

    generator

    Generator Output quantity is? A revision procedure provided by ES6 В For details, please refer to the following table:/ p>

    GeneratorThe output data can be processed at the bottom of the table (it can be processed only after it is completed)? Code > generator output is a wireless machine, which is sealed inside the generator/ p>

    //Definition of generator efficiency
    //By default, return to: generator
    function* foo() {
      console.log('111')
      yield 'hello'
      console.log('222')
      yield 'world'
      console.log('333')
      yield 'jane'
      console.log('444')
    }
    //Iterator: transmitter? const result = foo()
    console.log(result)
    
    //Using the sensor// Use next to start the machine
    const res1 = result.next()
    console.log(res1) // {value: "hello", done: false}
    const res2 = result.next()
    console.log(res2) // {value: "world", done: false}
    const res3 = result.next()
    console.log(res3) // {value: "jane", done: false}
    const res4 = result.next()
    console.log(res4) // {value: undefined, done: true}

    Redux sage process

    One document result Redux, Eact Redux, edux Saga

    Redux saga’s battery/ h3>

    • redux-sagaIs it a “manual” rangereduxThe middle time for sending a request for approval? The location of the definition is based on the added values/ li>
    • Redux-sagaThe following are the electrical procedures:/ p>

      1. Installationredux-sage: yarn add redux-saga
      2. Finishedredux-sagaMiddle space/ p>

        • EntercreateSagaMiddlewareName? First, please?sagaMiddleware
        • Then throughapplyMiddlewareUse these spaces to create an addresssaga.jsThese files
        • Start up the item conversion process in the middle and add the name of the disksaga
      3. saga.jsFile editing/ p>

        • takeEvery: you can add more items? Code > actiontype, each of which can be scanned? There should be one? Code > takelatest, will be displayed in front of the table)
        • put: where? Code > number in Saga? Code > action is not used againdispatch, the key is throughput
        • all: you can? Code > yield time? Code > putaction
    // store.js
    import createSageMiddleware from 'redux-saga'
    import saga from './saga'
    //1. Create a space in sagemiddleware? const sagaMiddleware = createSageMiddleware()
    //2. Apply the following information:
    const enhancer = applyMiddleware(sagaMiddleware)
    const store = createStore(reducer,composeEnhancers(enhancer))
    
    sagaMiddleware.run(saga)
    export default store
    
    // saga.js
    import { takeEvery, put, all } from 'redux-saga/effects'
    import { FETCH_HOME_DATA } from './constant'
    
    function* fetchHomeData(action) {
      const res = yield axios.get('http://123.207.32.32:8000/home/multidata')
      const banners = res.data.data.banner.list
      const recommends = res.data.data.recommend.list
      //Dispatch action provides action, and Redux sage provides action ut
      yield all([
        yield put(changeBannersAction(banners)),
        yield put(changeRecommendAction(recommends)),
      ])
    }
    
    function* mySaga() {
      //If the number is: actiontype required or not
      //If the number is? Generator efficiency? yield all([
        takeEvery(FETCH_HOME_DATA, fetchHomeData),
      ])
    }
    
    export default mySaga

    Reducer code splitting

    Reducer code splitting

    • I have the right to write my name before the following itemsreducerWhat/ p>

      • Current statusreducerNo processingcounterThe asset can be processedhomeData of the item/ li>
      • Back paintingcounterRelevant information orhomeFour related changes are added to the replacement bar/ li>
      • Or why х You can add other related documents, such as purchase materials, distribution, and purchase orders/ li>
      • If all items can be saved to one? Code > reducer is in charge of renewal, and the date of the blocked item is more than 10 days э Then, the patient will be unable to generate the code and maintenance/ li>
  • Therefore, you can connect to each other? Code > reducer splitting:

    • Or another pair of devicescounterProcessed? code>reducer
    • The internal device has a different pairhomeProcessed? code>reducer
    • Remove the board from the contract/ li>
  • Reducer file splitting

    • Are you sure you have already processed different documents to different? Code > reducer, or user interface

      • It has been received to a different number of documents, but it is the processing of these documents, and then it is in the same file
      • It is related toreducerUsed inconstantWhat? Code > action let’s save it in another file:/ li>

    One document result Redux, Eact Redux, edux Saga

    Combinereducers output

    • Do you want to use the prescription for the first time or for the second timereducerThe output quantity is a new pair of devices/ li>
    • For example:reduxLet me provide you with the following information:? Code > combinereducers output quantity can be used as a new “user interface”? Code > reducer
    import { combineReducers } from 'redux'
    import { reducer as counterReducer } from './count'
    import { reducer as homeReducer } from './home'
    
    export const reducer = combineReducers({
      counterInfo: counterReducer,
      homeInfo: homeReducer,
    })
    • Lu DcombineReducersFor example, it’s the name of the user

      • Defines the number of jobs that will be or will be deletedreducerOne or more opposite devices? Continue one? Code > combination output quantity
      • Where? Code > combination output number? The data before and after the break will be the same as the contract to determine the date before the break? Code > state is newstate

    immutableJs

    Problems with data changes

    • Where? Code > react can be used, so this book is not an acceptable storage of fuel data э Fine

      • None is active in the componentstateYes? Code > managed in reduexstate
      • I’m lying on the bedJavaScriptIn the coding process, the data can not be changed ч It can be non common
    • Data availability у Problems found (at the first level)/ p>

      • If there is no modification obj, it can be used to modify obj2, but it needs to be BJ modified
      • The air conditioner is included in the cabinet, which is a battery type, and it is allowed to change the expenses when it is used/ li>
    const obj1 = { name: 'jane', age: 18 }
    const obj2 = obj1
    obj1.name = 'kobe'
    console.log(obj2.name) // kobe
    • All safety measures В There is a problem on the inside

      • Charge number for this reconciliationObject.assignOr cargo tank
    • This is a problem for all the pull-down options:/ p>

      • From the barrier bar description of the system, you can find out the problems В It is defined as the place of operation for the patient/ li>
      • From ц If there is any problem, if it is less than an increase in the amount of silicon, the terms of these documents will not be changed ц The problem can be removed from the internal storage settings
  • Click the description, and the opening is not likely to be the following:/ p>

    • So if this is the case/ li>
  • Set immutablejs

    • For the problems of the enterprise, there are some problems? Code > immutable description

      • ImmutableThe special rule of the interface is to modify the interface device, which will be narrowed back to a new interface device х There are changes in the correspondence of:/ li>
    • However, the prescription of this sample is stored in memory every day:/ p>

      • In this section, there is a new method includingPersistent Data Structure(hold the data group or another file) ф Data result level
    • After that, if I come to the legal area from the first time, I shall keep the technical data in the local version or key storage, but these readings are not the same:/ p>

      • A data result is generated to save the data
      • When the data is modified, a pair of devices will be displayed as follows:The possible benefits of a new reconciliation will not be generated from the original data composition(for example, if you click on these items, the results and results are as follows:

    One document result Redux, Eact Redux, edux Saga

    • InstallationImmutable: yarn add immutable

    Immutablejs see API for details

    It is agreed that our settlement is only one PI, and more than one PI can be set up/ p>

    If you use it, you will not receive all the data results, but return the new connection after receiving it

    • JavaScripAnd? Code > direct connection of imutablejs/ p>

      • To replace or? Code > immutable:? code>Map
      • Replace or replace the wheel assembly? Code > immtable number group:? code>List
      • To replace:? code>fromJS
    const im = Immutable
    //To replace or mmutable
    const info = {name: 'kobe', age: 18}
    const infoIM = im.Map()
    
    //Multi wheel replacement or MMTABLE multi wheel assembly
    const names = ["abc", "cba", "nba"]
    const namesIM = im.List(names)
    • ImmutableJSHow to operate

      • To modify data:? code>set(property, newVal)

        • Return to? Modify the new data result/ li>
      • Data collection:? code>get(property/index)
      • Requirements of the companyImmutableReconciliation data (translation properties) т Yes? Code > immutable:getIn(['recommend', 'topBanners'])
    //Set new rules can modify the data structure generated by infoim, and then the new data structure will be saved
    const newInfo2IM = infoIM.set('name', 'james')
    const newNamesIM = namesIM.set(0, 'why')
    
    //Get new rules
    console.log(infoIM.get('name'))// -> kobe
    console.log(namesIM.get(0))// -> abc

    Group Redux management data

    1. ImmutableJSRead backredux

      • yarn add Immutable
      • yarn add redux-immutable
    2. Use combinereducers in Redux immutable:/ li>
    3. The data of immutable type is generated from the data in all reducers/ li>

    FAQ

    How to manage the state in react

    • State management update from the current item (No.:

      • The relevant group can be used for maintenance? The organization has been established to maintain
      • What do you need to do? Organization edux authority management and storage
      • Data required from service machine? Including the operation required by the doctor, Provision of Redux rights? span class=”img-wrap”>One document result Redux, Eact Redux, edux Saga

    Front wheel

    Hello у OK, I don’t know. It’s a matter of timereduxAs for the new products in the series, they will not be separated from each other, and they will be locked for more than one timeOne document result Redux, Eact Redux, edux Saga(inclusive) all these fabrics shall be kept in a safe place? Code > Redux, Eact Redux, edux thunkRedux Sage: mmutable(see Figure 1 or 2) after finding out the point sensor, the payment will be made? The number of recipients is based on the number of users? span class=”img-wrap”>One document result Redux, Eact Redux, edux Saga)Then, for the request that you can’t send, you can send it to them/ blockquote>

    Setting up the computer/ h2>

    JavaScript cable failure/ h3>

    • Output data processor/ Strong > there is an example in the listCable failure/ strong>,JavaScript(b) the range described by the output quantity editing program, such as the output quantity from all levels/ p>

    • Where? Code > react, NoGeneral requirements for the effectiveness of drug delivery(2) in the case of the company or its representativeReduxIt is not necessary to add the following items, so we must calculate them as [a number of letters]

    • Holmium/ p>

      The registration department of the group that has failed to sign up (person) В License (optional)
      
      Holmium?
    • The number of valid medication results is one?

      *The number of times the drug is effective is the number of times the drug is effective, and the results of a given time are the same
          
      *The output quantity is in the verification process and cannot be changed х Before birth?
    • Holmium/ p>

      **Cable failure` Each item of pure function `)**
      
      Holmium?

    Cable failure in react/ h3>

    • The output quantity of the main valve is not common in the coding process of the main valve:/ p>

      *It is necessary to add the contents of the possible installation and the application of the specified performance
          
      *If you need to write down the number of letters, you can edit a lot of professional tasks, but you don't need to change the number of related essential components or the number of patients in the hospital
          
      *When the electricity is generated, the definition of the transmission line will not be changed according to the plan. In addition, the input of the defined line shall be the same as the output of the defined line
    • There is a rule of one character in react when it is added:

      *The Eact assembly must be "wired" with an image? The "props" of a single column cannot be changed

    Set Redux

    What’s the need edux

    • JavaScriptThe application found has been obtainedNon return valveBang?

      *'JavaScript ` * * the number of required permissions to be managed by the system *, Remove the mattress replacement plate
          
      *These include the data returned by the server? Data of electric brush operation? It includes the first party's UI?
    • Manage non breaking? Code > state is non common:

      ** * it is required to store in the relevant barrier *, The number of a single file will affect the number of a single file, and the number of a 'view' item may affect the number of a single file
          
      *When the procedure is repeated, what time is the 'state' in? As a result, the change area of the sample is generated due to the addition of the electrical signal? There will be no common brake and brake

    One document result Redux, Eact Redux, edux Saga

    Operation of react/ h3>

    • ReactIt’s not just a visual requirement, but also a visual requirement? Code > DOM release procedure? Are youstateThe pane then instructs me to manage:

      *No is the 'state' defined by the group, and it is the 'props' of the group?    
      *It includes the time between the 'context' and the data?    
      *'react 'is mainly responsible for helping you or managing the image, and' state 'determines whether the system has been transferred
    
    ![](https://gitee.com/xmkm/cloudPic/raw/master/img/20201005132319.png)
    
    • ReduxIt will be a job for me to manage? Code > State

      *'redux 'is the key to JavaScript? Provide the pre-determined management of the system?
    • ReduxAnnex and? Code > react a single cell phone? They can also store and other materials for use (e.g? Code > Vue:? In addition, it is required to specify the non common areas (including the local areas)? kb)

    Redux management? Store

    • ReduxFast management of non-standard cards/ p>

    • For example, one or more of the following tasks needs to be managed:

      ** * if you don't have a set of data to operate this field, the patient can't adjust the number of data*
          
      *For example, the prescription of the item "products. Push" will add data every day?    
      *For example, you can modify a piece of data by using 'products [0]. Age = 25'?
    • The number of application keys has expired and appearsbugThe changes that occur when you track the product/ p>

    One document result Redux, Eact Redux, edux Saga

    Redux management? action

    • ReduxRequired or requiredactionBar update? Code > State:/ p>

      ** * the number of selected data must be updated through the * * ` dispatch 'bar and the * * ` action' bar?    
      *'action' is a selected 'JavaScript' pair. You can use the bar to scan the updated 'type' and content`
    • For example, the following table will be updatedfriendsYes? code>action:

      *The main purpose of using 'action' in manufacturing is to solve the problem of how to find out the data and get it to the right sample. In addition, the data in the chain can be used later?    
      *If the "action" I have before the project is a fixed one, and the corresponding action is added, I will make a decision through the number rule, and then I will return to one action`

    One document result Redux, Eact Redux, edux Saga

    Redux management? reducer

    • How are you? Code > state and? Code > action contact address:? The default value isreducer

      *'reducer 'is a unique number
          
      *The "reducer" function is to combine the associated "state" and "graphics action" to generate or provide a new state`

    One document result Redux, Eact Redux, edux Saga

    Three days of Redux у Master brush/ h3>

    • Single data source/ strong>

      *The state 'of the data application is stored in the first object tree'? The object tree can be saved in one store`
          
      *'redux 'cannot create a' store 'because it has already been created by others, but it is a patient's index and is not limited to the maintenance of data?    
      *A single data resource can be used to adjust the 'state' of the corresponding power source to the party's research system, and it is required to save the data?

    • State is requested

      *The only way to modify 'state' is to use 'action'. Do not click on any other prescription to modify 'state'`
          
      *In this way, the sample will be "view" or "request" and can't directly modify the "state", so the company can scan through the "action" bar. For example, it is necessary to save the state`
          
      *In this way, the samples can be modified and processed according to each other's requirements, and the samples can be processed according to each other's requirements ц All of them do not need to use race condition? Questions for?
    • Use a cable to run the computer ц Make modification

      *Use 'reducer' to save 'state' and 'state'` Action ` contact address:? And return to a new state`
          
      *The effect of the duplicate of the address application is increased, so we can divide the 'reducer' into one group of reducers and one group of different state trees
          
      *However, all "reducer" applications are ineffective and cannot be used х How to use it

    Redux’s business center/ h2>

    Key APIs in Redux

    reduxInstallation of?yarn add redux

    1. createStoreYou can create a document by phonestoreThin silicon

    2. store.dispatchElectric power supplyaction, actionSend tostore

    3. reducerCollectionaction,reducerTo exit a new status, click OK(storeCharge allocationreducer)

    4. store.getStateThese new methods can be used to set up the user interfacestoreCheck all the data in the system

    5. store.subscribeParty A may purchase or purchase insurance. SeestoreChanges to, as requiredstoreChanges occurred:?store.subscribeHereThese are the numbers of the output quantity collection/ Strong > to be scanned/ p>

    One document result Redux, Eact Redux, edux Saga

    End result

    1. To createsotore, specify the storage status of the store/ p>

    2. To createaction, what is the operation of the electric brush in every process/ p>

    3. To createreducer, reducer collects the action and requests the updated action/ p>

    Redux’s electronic procedures/ h3>

    1. To create a device? You need to save your life/ p>

    2. To createStoreBar storage? code>state

      *When creating a 'store', you must create a reducer`
          
      *Alternatively, you can use the 'store. Getstate' bar to obtain the current 'state'`
    3. ThroughactionRight deposit? code>state

      *Click the 'dispatch' bar to generate actions`
          
      *There may be a 'type' request in the parent 'action' э Otherwise, you can use other data
    4. ModifyreducerProcessing code in

      *To close the required admission, the tablet reducer is a* Cable failure* (it is not possible to change the control state`
          
      *After that, you can change the common problems of the state?
    5. You can click here? Code > before action:? Code > change area of store/ p>

    import { createStore } from ‘redux’
    Holmium? Br > / / 1. Create a state
    const initState = { counter: 0 }
    Holmium? Br > / / 2. Reducer cable failure? States that will be deleted cannot be modified
    function reducer(state = initState, action) {
    switch (action.type) {
    case ‘INCREMENT’:
    return { …state, counter: state.counter + 1 }
    case ‘ADD_COUNTER’:
    return { …state, counter: state.counter + action.num }
    default:
    return state
    }
    }
    Holmium? Br > / / 3. Store can be an educator
    const store = createStore(reducer)
    Holmium? br>// 4.action
    const action1 = { type: ‘INCREMENT’ }
    const action2 = { type: ‘ADD_COUNTER’, num: 2 }
    Holmium? Br > / / 5. Please refer to the store’s general expenses? br>store.subscribe(() => {
    Console.log (‘state changes’, store.getState().counter)
    })
    Holmium? Br > / / 6. Action
    store.dispatch(action1)
    store.dispatch(action2)

    One document result Redux, Eact Redux, edux Saga

    Redux group distribution

    • If you want to save the selected edit codes, you can add them to a list? Clean up? Code > Redux can be reused to maintain the partition

    • Yes, please do it? Ho? Code > store, educator, interaction, and constants are divided into one file or another

    Holmium/ p>

    Split items

    Holmium/ p>

    Redux operating procedures

    One document result Redux, Eact Redux, edux Saga

    Redux payment process/ h3>

    One document result Redux, Eact Redux, edux Saga

    Power of react Redux/ h2>

    Redux re entering the react code (case)

    • reduxRe enterreactCode case:

      *The 'home' component, which is the current counter in the shopping area, has one item? 1 and 2? 5 button?    
      *The 'profile' component, which is the current counter in the purchase window, has one profile? 1 and 2? 5 button?
    
    ![](https://gitee.com/xmkm/cloudPic/raw/master/img/20201005132516.png)
    
    • The code must be interpreted by the software

      *Where` Componentdidmount ` the number of short-term data, which is newly set when the data is generated` counter`
          
      *When the power point is turned off, adjust the "action" corresponding to the "dispatch" right of the power store`

    Customized connect output

    When I am not a member of the company? Code > Redux? For example, refer tostateTo cancel, seestateOr? Wa fearactionLuan Fengstate

    Install the code for more than 50 minutes, and it will not be displayedstateAnd? Code > dispatch if the number is deleted/ p>

    One document result Redux, Eact Redux, edux Saga

    // connect.js
    import React, { PureComponent } from ‘react’
    import { StoreContext } from ‘./context’
    /**

    • 1. Application number? Return to one high valve assembly/ li>
    • What do you want to delete? State and? The dispatch bar can be changed by state or through the dispatch bar
      *
    • 2. Use the following components:
    • To delete the required assets of a specific asset? Store Group? br>*
    • 3. Do not use:
    • Listen to the code of more than one minute and put it into the high valve assembly, and then put it into the state and state of the assembly? dispatch
    • Listen to the output by mapstatetoprops() or apdispatchtoprops()
    • Listen to and use the state and ispatch provided by the organization. Other organizations that use the store do not need to use the store
      *
    • 4. Connect.js: meeting table
    • What’s the item: there is only one item in the connected quantity of the enterprise х No. (store of the guide)
    • Listen to the meeting: is Shu’s method or provide a provider? The provider right is for me/ li>
    • Context: the customer will add the store into the account and then operate
      */

    export function connect(mapStateToProps, mapDispatchToProps) {
    return function enhanceComponent(WrapperComponent) {
    class EnhanceComponent extends PureComponent {
    constructor(props, context) {
    super(props, context)
    Holmium? Br > / / status of the component
    this.state = {
    storeState: mapStateToProps(context.getState()),
    }
    }
    Holmium? Br > / / refer to the data generation page, and then use setstate to re render
    componentDidMount() {
    this.unsubscribe = this.context.subscribe(() => {
    this.setState({
    centerStore: mapStateToProps(this.context.getState()),
    })
    })
    }
    Holmium? Br > / / the assembly has been blocked by the brake valve? br> componentWillUnmount() {
    this.unsubscribe()
    }
    Holmium? br> render() {
    //The following rappercomponent objects are:? Home component (it will be the selected component)
    //You need to delete the required state and ispatch props of the request group? br> return (
    <WrapperComponent
    {…this.props}
    {…mapStateToProps(this.context.getState())}
    {…mapDispatchToProps(this.context.dispatch)}
    />
    )
    }
    }
    //Check out the value provided by the provider
    EnhanceComponent.contextType = StoreContext
    return EnhanceComponent
    }
    }
    Holmium? br>// home.js
    //Specify the state and ispatch of the assembly
    const mapStateToProps = state => ({
    counter: state.counter,
    })
    Holmium? br>const mapDispatchToProps = dispatch => ({
    increment() {
    dispatch(increment())
    },
    addNumber(num) {
    dispatch(addAction(num))
    },
    })
    Export default connect (mapstatetoprops, mapdispatchtoprops)?

    Use react Redux

    • It is not necessary to have one person before startingreduxAnd? Code > react does not have any relevant information. You can buy edux in react, angular, ember, jQuery, or vanilla JavaScript

    • This is an example of a sample process that has come from an example of a situation where the Department of planning is a way to get a sample. Redux’s charter is an update of the contract between Redux, then, and the store of medicine and react and react or an EKU’s store. The store of the store of the store of a person who has a lot of ideas, and that’s a way to get things done. After the Redux Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux, Redux can mutually update the store of medicine, react, react, and react, or a store of the store of a reaction, or a store of a store of a store, and a store of a store of a store of a store, and a store of a store of a store of a store, and a store of a store of a store. So that people’s what’s doing, so that what’s what’s what’s doing is that what/ p>

    • It has not been confirmed or found before? Code > connect? Code > the provider has completed the connectionreduxThe temperature function of Eact is defined as:? Code > Redux payer or provider? Code > react Redux, which can be purchased in the item only, and can specify the usual range and height of the existing editing/ p>

    • Installationreact-reduxWhat/ p>

      
      *   `yarn add react-redux`
          

    // 1.index.js
    import { Provider } from ‘react-redux’
    ReactDOM.render(
    <Provider store={store}>
    <App />
    </Provider>,
    document.getElementById(‘root’)
    )
    Holmium? br>// 2.home.js
    import { connect } from ‘react-redux’
    //Specify the required state and ispatch (output quantity) as a pair of devices?
    export default connect(mapStateToProps, mapDispatchToProps)(About)

    React Redux power cord toner

    One document result Redux, Eact Redux, edux Saga

    Room in Redux Middleware/ h2>

    Operation in the assembly center/ h3>

    • In the case of the previous documentreduxFor purchasecounterIt is a piece of data specified in this document

      *Or you can directly connect with each other through the operation of the following steps, so that the "dispatch action" and the "state" will be changed like a business update?    
      *However, the * * universal data stored in the LCD Redux can be used to access the server* What do we need to do* Request for steps* And then save the data to 'Redux'?
    • Network request can be made at? Code > class group? Code > componentdidmount center, I can only have the result of this sample?

    One document result Redux, Eact Redux, edux Saga

    Operation in Redux Center/ h3>

    • A company’s assets must have a risk

      *Or it must be* The details requested by the website * * shall be placed in the electronic mail address of the group to complete
    • Please place the address required by the website? Code > Redux renewal management?

      *With the increase of the code, for example, if the network requests that the number be gradually reduced in the period of the group, the group will become thinner and more suitable for recovery
          
      *For example, the data requested by the * * website is divided into three parts according to the system management, and the only way to change the corresponding request is to organize other parts into Redux management?

    One document result Redux, Eact Redux, edux Saga

    • Where are you? Code > Redux: for example, you can perform the following operations:

      ** * use a middle space( Middleware)**
          
      *It is not allowed to produce the general conditions in the middle of the box frame of advanced express or KOA
          
      *In these dialog boxes, the software middleware ` can be used to locate or locate the computer* The request and operation shall be based on the code * * of the same operation, such as ookie error, date list, record the operation of the document and the pressure cylinder

    Manage Wu В Middle space? Reading point)

    • reduxWhat’s the differenceMiddle space/ Strong > (Middleware)

      *The items in the middle are all the same code between the action of 'dispatch' and the 'reducer' that needs to be assigned
          
      *For example, when the record is deleted* Use the step control port * * and add the adjustment request function?

    One document result Redux, Eact Redux, edux Saga

    • redux-thunkThis is a request that you can send to others if you click OK

      *By default, 'dispatch (action)' described in the patient list is a JavaScript counterpart?    
      *'redux thunk 'can be used to set the' dispatch '(` action' output quantity), and 'action ` * * can be used as a number*
          
      *Please note that the number is adjusted? And the profile will be divided into two numbers? One dispatch ` output and one getstate ` output
          
          *The 'dispatch' output is less than or equal to the 'action' again`
              
          *The 'getstate' output value is determined by the number of people who need to be authorized by the company, and is based on the number of people who can be authorized by the company?

    Redux thunk battery/ h3>

    1. Installationredux-thunk

      
      *   `yarn add redux-thunk`
          
    2. Where? When code > store is selected, it should bemiddlewareYes? Code > enhance output quantity

      *Use the 'applymiddleware' board to create a middleware and return to an enhancer`
          
      *Add the second value of "enhancer" to "createstore"?    
          ![image-20200821182447344](https://gitee.com/xmkm/cloudPic/raw/master/img/20201005132723.png)
    3. To return a validaction

      *It is agreed that these acts are not only a pair of devices in the future, but also a pair of devices* Output quantity**
          
      *Please wait until 'dispatch' ц 
    
    ![](https://gitee.com/xmkm/cloudPic/raw/master/img/20201005132817.png)
    
    

    Holmium/ p>

    Setting the code

    Holmium/ p>

    redux-devtools

    Redux devtools plugin

    • Why did you buy it? Code > Redux can conduct verification and service for the “person in charge” of mutual research (for example, the patient is divided into two groups):/ p>

      *'redux 'is the key to' Redux devtools' in this book?    
      *Since these people are already in possession, we can only find out that if the money is received, it will be changed in the future?
    • Use the following:

      *Chapter I installing Redux devtools on the machine( https://chrome.google.com/webstore/detail/redux-devtools/lmhkpmbekcpmknklioeibfkpmmfibljd/related?utm_ Source = chrome NTP icon)
          
      *Chapter 2: collecting documents devtools in Redux

    //Store.js = edux devtools temperature
    import { createStore, applyMiddleware, compose } from ‘redux’
    Holmium? Br > / / composeenhancers output
    const composeEnhancers =
    window.__REDUX_DEVTOOLS_EXTENSION_COMPOSE__({ trace: true }) || compose
    Holmium? Br / / after applying the midware
    const enhancer = applyMiddleware(thankMiddleware)
    Holmium? Br > / / through enhancer, you can send the second batch of data to the createstore? br>const store = createStore(reducer, composeEnhancers(enhancer))
    Holmium? br>export default store

    redux-sage

    generator

    GeneratorOutput quantity is? A revision procedure provided by ES6 В For details, please refer to the following table:/ p>

    GeneratorThe output data can be processed at the bottom of the table (it can be processed only after it is completed)? Code > generator output is a wireless machine, which is sealed inside the generator/ p>

    //Definition of generator efficiency
    //By default, return to: generator
    function* foo() {
    console.log(‘111’)
    yield ‘hello’
    console.log(‘222’)
    yield ‘world’
    console.log(‘333’)
    yield ‘jane’
    console.log(‘444’)
    }
    //Iterator: transmitter? br>const result = foo()
    console.log(result)
    Holmium? Br > / / use the sensor? Br > / / using next, you can start to use a new machine
    const res1 = result.next()
    console.log(res1) // {value: “hello”, done: false}
    const res2 = result.next()
    console.log(res2) // {value: “world”, done: false}
    const res3 = result.next()
    console.log(res3) // {value: “jane”, done: false}
    const res4 = result.next()
    console.log(res4) // {value: undefined, done: true}

    Redux sage process

    One document result Redux, Eact Redux, edux Saga

    Redux saga’s battery/ h3>

    • redux-sagaIs it a “manual” rangereduxThe middle time for sending a request for approval? The location of the definition is based on the added values/ p>

    • Redux-sagaThe following are the electrical procedures:/ p>

      1. Install 'Redux Sage': 'yarn add Redux Sage'`
          
      2. Generate 'Redux saga' intermediate?    
          *After clicking 'createsagamiddleware'? You want to save one` sagaMiddleware`
              
          *Then use 'applymiddleware' to create 'saga. JS' files in these spaces
              
          *Start the item in the middle process and add the name of the disk ` saga`
              
      3. Editing of 'saga. JS' file?    
          *'takeevery ': you can add more actiontypes, and each one can be scanned? One "take latest" should be selected, which will be displayed in front of the table
              
          *'put': in saga, the action 'is not a' dispatch ', but a' put '`
              
          *'all': you can put 'maximum' action when you are 'yield'`

    // store.js
    import createSageMiddleware from ‘redux-saga’
    import saga from ‘./saga’
    //1. Create a space in sagemiddleware? br>const sagaMiddleware = createSageMiddleware()
    //2. Apply the following information:
    const enhancer = applyMiddleware(sagaMiddleware)
    const store = createStore(reducer,composeEnhancers(enhancer))
    Holmium? br>sagaMiddleware.run(saga)
    export default store
    Holmium? br>// saga.js
    import { takeEvery, put, all } from ‘redux-saga/effects’
    import { FETCH_HOME_DATA } from ‘./constant’
    Holmium? br>function* fetchHomeData(action) {
    const res = yield axios.get(‘http://123.207.32.32:8000/hom…
    const banners = res.data.data.banner.list
    const recommends = res.data.data.recommend.list
    //Dispatch action provides action, and Redux sage provides action ut
    yield all([
    yield put(changeBannersAction(banners)),
    yield put(changeRecommendAction(recommends)),
    ])
    }
    Holmium? br>function* mySaga() {
    //If the number is: actiontype required or not
    //If the number is? Generator efficiency? br> yield all([
    takeEvery(FETCH_HOME_DATA, fetchHomeData),
    ])
    }
    Holmium? br>export default mySaga

    Reducer code splitting

    Reducer code splitting

    • I have the right to write my name before the following itemsreducerWhat/ p>

      *Currently, the 'reducer' has the ability to process the 'counter', and the data of the 'home' item can be processed?    
      *Add a reset bar in the following four change fields: the items related to ` counter 'or the items related to ` home'?    
      *Or why х You can add other related documents, such as purchase materials, distribution, and purchase orders?    
      *If all the items can be saved to a reducer for management, the date of the blocked item will be more than days э Then, the patient will be unable to generate the code and maintenance?
    • Therefore, you can connect to each other? Code > reducer splitting:

      *You can also install another reducer to process' counter '`
          
      *Install another reducer for 'home' processing`
          
      *Remove the board from the contract?

    Reducer file splitting

    • Are you sure you have already processed different documents to different? Code > reducer, or user interface

      *It has been received to a different number of documents, but it is the processing of these documents, and then it is in the same file
          
      *It can be used in 'constant' and 'action' in 'reducer', or in the same file?

    One document result Redux, Eact Redux, edux Saga

    Combinereducers output

    • Do you want to use the prescription for the first time or for the second timereducerThe output quantity is a new pair of devices/ p>

    • For example:reduxLet me provide you with the following information:? Code > combinereducers output quantity can be used as a new “user interface”? Code > reducer

    import { combineReducers } from ‘redux’
    import { reducer as counterReducer } from ‘./count’
    import { reducer as homeReducer } from ‘./home’
    Holmium? br>export const reducer = combineReducers({
    counterInfo: counterReducer,
    homeInfo: homeReducer,
    })

    • Lu DcombineReducersFor example, it’s the name of the user

      *It specifies the name of the 'reducer' that will be or will be deleted and provides a counterpart? The total quantity of a combination is shown in Figure 1
          
      *In the process of counting the output of the computer combination? The data returned before and after the break will be the same name to confirm that the current state is a new state`

    immutableJs

    Problems with data changes

    • Where? Code > react can be used, so this book is not an acceptable storage of fuel data э Fine

      *It is not a 'state' in the active component, but a 'state' managed in reduex`
          
      *In the process of coding 'JavaScript', the data can not be saved ч It can be non common
    • Data availability у Problems found (at the first level)/ p>

      *If there is no modification obj, it can be used to modify obj2, but it needs to be BJ modified
          
      *The air conditioner is included in the cabinet, which is a battery type, and it is allowed to change the expenses when it is used?

    const obj1 = { name: ‘jane’, age: 18 }
    const obj2 = obj1
    obj1.name = ‘kobe’
    console.log(obj2.name) // kobe

    • All safety measures В There is a problem on the inside

      *In this way, the charge for reconciliation can be divided into 'object. Assign' or goods running pipe
    • This is a problem for all the pull-down options:/ p>

      *From the barrier bar description of the system, you can find out the problems В It is defined as the place of operation for the patient?    
      *From ц If there is any problem, if it is less than an increase in the amount of silicon, the terms of these documents will not be changed ц The problem can be removed from the internal storage settings
    • Click the description, and the opening is not likely to be the following:/ p>

      *So if this is the case?

    Set immutablejs

    • For the problems of the enterprise, there are some problems? Code > immutable description

      *The unique feature of 'immutable' is that it is necessary to modify the corresponding device, which will be narrowed back to a new corresponding device х There are changes in the correspondence of:?
    • However, the prescription of this sample is stored in memory every day:/ p>

      *In this section, there is a new method, including 'persistent data structure' (maintaining data structure or another storage) ф Data result level
    • After that, if I come to the legal area from the first time, I shall keep the technical data in the local version or key storage, but these readings are not the same:/ p>

      *A data result is generated to save the data
          
      *When the data changes and the data changes, and the data changes, and the data changes, and the data will be transformed into an opposite device. It's a pair of opposite devices, a new pair of * * parties, a benefit for the * * Party, a new kind of * *, a benefit for the possibility that silicon thin silicon may be able to make possible, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era, a new era structure and structure

    One document result Redux, Eact Redux, edux Saga

    • InstallationImmutable: yarn add immutable

    Immutablejs see API for details

    It is agreed that our settlement is only one PI, and more than one PI can be set up/ p>

    If you use it, you will not receive all the data results, but return the new connection after receiving it

    • JavaScripAnd? Code > direct connection of imutablejs/ p>

      *To replace the immutable text (map)`
          
      *Digital assembly or text immtable digital assembly (list)`
          
      *Replacement of this manual (fromjs)`

    const im = Immutable
    //To replace or mmutable
    const info = {name: ‘kobe’, age: 18}
    const infoIM = im.Map()
    Holmium? Br > / / multi wheel or multi MMTABLE multi wheel
    const names = [“abc”, “cba”, “nba”]
    const namesIM = im.List(names)

    • ImmutableJSHow to operate

      *Modify data (set (property, newval)`
          
          *Return to? Modify the new data result?        
      *Get (property / index)`
          
      *The user requires immutable to interpret the data (translation property) т Immutable: ` getin (['recommended ',' topbanks'])`

    //Set new rules can modify the data structure generated by infoim, and then the new data structure will be saved
    const newInfo2IM = infoIM.set(‘name’, ‘james’)
    const newNamesIM = namesIM.set(0, ‘why’)
    Holmium? Br > / / get new rules
    console.log(infoIM.get(‘name’))// -> kobe
    console.log(namesIM.get(0))// -> abc

    Group Redux management data

    1. ImmutableJSRead backredux

      
      *   yarn add Immutable
          
      *   yarn add redux-immutable
          
    2. Use combinereducers in Redux immutable:/ p>

    3. The data of immutable type is generated from the data in all reducers/ p>

    FAQ

    How to manage the state in react

    • State management update from the current item (No.:

      *The relevant group can be used for maintenance? The organization has been established to maintain
          
      *What do you need to do? Organization edux authority management and storage
          
      *Data required from service machine? Including the operation required by the doctor, Provision of Redux rights/ code>