vuex cannot change the value of state outside of mutation. Otherwise, there will be a warning in development mode, but it will not affect the use.
it is recommended to follow the convention to facilitate data management.
if you don't want to be constrained by this, you can define variables within the component instead of within the state.
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vue a rookie to solve, the code is component .vue <template> <div class="top-ad-section" v-bind:class="{ show: isShowAdStatus }">< div> < template> <script> export default { mounted() { setT...
try to get store data in the route file, but the undefined vuexmodule modulestore is displayed. ...
after searching around, I didn t see this tutorial. put the vuex data into the data before the dom is mounted, but the data is not available in the created. ...
the configuration related to vuex is as follows < hr > const mutations = { incrementment( state,payload ){ state.numb+= payload.amount; }, reducement( state ){ state.numb-- ; }, [SOME_MUTATION](){ state.numb+...
I m going to assign the default value of 1 to the value of the drop-down box and bind this variable; <select v-model= selectValue >< select> but just let data(){ return{ selectValue:1 } } this type of writing is not readable, so I ...
data file mutations.js item.textdelete iditem.textpropundefined click question and answer:, mutation API accepts only two parameters ...
I have referenced another component in one component. What can I do to refresh the referenced component when a value changes? or call the destroy method of another component in the current component ...
I need the js file in plugins or assets to call the mutation method add . How can I call it correctly? ...
The main purpose of Vuex is to share and manage data, so why not just use browser caching? what is the fundamental difference between Vuex and browser caching strategy? the data flow in the Vuex state repository is unidirectional Synchronize, so why...
the official document says that asynchronous modification of the state will not take effect: https: vuex.vuejs.org zh-cn . but the following code does change the value: mutations: { increment: (state)=>{ window.fetch( https: jsonp...
in Vuex State document : when a component needs to acquire multiple states, declaring these states as computational properties can be repetitive and redundant. To solve this problem, we can use the mapState helper function to help us generate computa...
A method in methods is called in mounted in the same component. but the use of error-free mounted in methods prompts $store is undefine as soon as it is called. Excuse me, what s going on? ...
<div v-for="src of item.images" class="img2" :style="{backgroundImage: url( +src+ ) }">< div> item.images=[ http: xx 1.jpg , http: xx 2.jpg , http: xx 3.jpg ]; srcbackgroundImageurl : ...
Let s talk about the directory structure first: src api login.js store getters.js index.js modules user.js utils request.js axios the problem is that now I want to use vuex, in request.js, but after I intro...
requirements: in the original Mini Program, the setting and acquisition of the user s openId was accomplished through the operation of App.gloabalData . Now using mpvue to develop a new Mini Program, how to deal with this kind of data that needs to b...
uses the login permission judgment in vue-element-admin, which is basically introduced and loaded according to it, but it still prompts you to report an error main.js . import Vue from vue import App from . App import router from . router i...
1. Two identical functions, same method, one valid, one invalid 2. Invalid code: <Row :gutter="10" style="margin-top: 10px" v-for="(col, index) in categoryList" :key="index"> <Col span="4"...
vue project, after refreshing, the data in store is lost. I use localstorage to store it. When I take it out, I find that the page will report an error. I don t know why. Code: login: methods: { ...mapMutations([ SET_USER , ]), ...
after the login is successful, save the login information to localStorage. The login registration should be changed to the user name on the home page after login, and the drop-down selection should be included. In the component, I judge which part of th...
import Vue from vue import Router from vue-router import HelloWorld from @ components HelloWorld import Login from @ components Login import Account from @ components user Account import Course from @ components user Course impor...