Uniapp uses vuex global variable wrapped by uview, required files

import Vue from 'vue'

import Vuex from 'vuex'

Vue.use(Vuex)

let lifeData = {};

try{

// Try to get whether the lifeData variable exists locally, it does not exist when the APP is launched for the first time

lifeData = uni.getStorageSync('lifeData');

}catch(e){

}

// The variable name in the state that needs to be retrieved after the APP is started next time. Those not in this list will not be stored permanently

let saveStateKeys = ['vuex_user', 'vuex_token'];

// Define a method saveLifeData to save variables to local storage

const saveLifeData = function(key, value){

// Determine whether the variable name key is in the array that needs to be stored. It's the one above, if there is one, store it

if(saveStateKeys.indexOf(key) != -1) {

// Get the locally stored lifeData object and add variables to the object

let tmp = uni.getStorageSync('lifeData');

// The first time I opened the APP, there is no lifeData variable, so I put an empty object in {}

tmp = tmp ? tmp : {};

tmp[key] = value;

// After performing this step, all variables that need to be stored are mounted in the local lifeData object

uni.setStorageSync('lifeData', tmp);

}

}

const store = new Vuex.Store({

//The following values ​​are only examples, please delete them during use

state: {

// If there is a corresponding property under the lifeData object obtained from the local area above, it will be assigned to the corresponding variable in the state

// Adding the vuex_ prefix to prevent variable name conflicts and makes people clear at a glance

vuex_user: lifeData.vuex_user ? lifeData.vuex_user : {name: 'Bright Moon'},

vuex_token: lifeData.vuex_token ? lifeData.vuex_token : '',

// If vuex_version does not need to be saved to local permanent storage, there is no need for lifeData.vuex_version method

vuex_version: '1.0.1',

},

mutations: {

$uStore(state, payload) {

// Determine whether a multi-level call is called, and the state is an object exists, such as = 1

let nameArr = payload.name.split('.');

let saveKey = '';

let len = nameArr.length;

if(nameArr.length >= 2) {

let obj = state[nameArr[0]];

for(let i = 1; i < len - 1; i ++) {

obj = obj[nameArr[i]];

}

obj[nameArr[len - 1]] = payload.value;

saveKey = nameArr[0];

} else {

// Single-level variables are a normal variable in state

state[payload.name] = payload.value;

saveKey = payload.name;

}

// Save the variable saveKey to local, see the function definition at the top

saveLifeData(saveKey, state[saveKey])

}

}

})

export default store