vuex 2.3.0 的发布说明: Modules can now declare state using a function - this allows the same module definition to be reused (e.g. multiple times in the same store, or in multiple stores)
假如你 vuex 的模块有多个格式是完全一样的, 这时候就可以把这个模块公共出来, 在 Vuex 实例里引用, 如:
import api from '~api' const actions = { async ['get']({commit, rootState: {route: { path }}}, config = {}) { const { data: { code, data } } = await api.post(config.url, config.data) if (code === 1001) commit('receive', data) } } const mutations = { ['receive'](state, data) { state.data = [].concat(data) }, ['modify'](state, payload) { const index = state.data.findIndex(item => item.id === payload.id) if (index > -1) { state.data.splice(index, 1, payload) } }, ['insert'](state, payload) { state.data = [payload].concat(state.data) }, ['remove'](state, id) { const index = state.data.findIndex(item => item.id === id) state.data.splice(index, 1) } } const getters = { ['get'](state) { return state.data } } export const _actions = actions export const _mutations = mutations export const _getters = getters export default { namespaced: true, actions, mutations, getters }
import Vue from 'vue' import Vuex from 'vuex' import lists from './general/lists' Vue.use(Vuex) export default new Vuex.Store({ namespaced: true, modules: { base: { namespaced: true, modules: { app: {...lists, state: { lists: { data: [], total: 0, current_page: 1 } }}, platform: {...lists, state: { lists: { data: [], total: 0, current_page: 1 } }}, product: { namespaced: true, modules: { category: {...lists, state: { lists: { data: [], total: 0, current_page: 1 } }}, } }, keyword: { namespaced: true, modules: { username: {...lists, state: { lists: { data: [], total: 0, current_page: 1 } }}, } }, } }, buzz: { namespaced: true, modules: { shop: {...lists, state: { lists: { data: [], total: 0, current_page: 1 } }}, } } })
但是 state 却需要每个单独设置, 如果直接设置在lists里, 会导致 state 对象被引用共享
在 vuex@2.3.0 中, 这个问题将不存在
import api from '~api' const actions = { async ['get']({commit, rootState: {route: { path }}}, config = {}) { const { data: { code, data } } = await api.post(config.url, config.data) if (code === 1001) commit('receive', data) } } const mutations = { ['receive'](state, data) { state.data = [].concat(data) }, ['modify'](state, payload) { const index = state.data.findIndex(item => item.id === payload.id) if (index > -1) { state.data.splice(index, 1, payload) } }, ['insert'](state, payload) { state.data = [payload].concat(state.data) }, ['remove'](state, id) { const index = state.data.findIndex(item => item.id === id) state.data.splice(index, 1) } } const getters = { ['get'](state) { return state.data } } export const _actions = actions export const _mutations = mutations export const _getters = getters export default { namespaced: true, state() { return { lists: { data: [], total: 0, current_page: 1 } } }, actions, mutations, getters }
import Vue from 'vue' import Vuex from 'vuex' import lists from './general/lists' Vue.use(Vuex) export default new Vuex.Store({ namespaced: true, modules: { base: { namespaced: true, modules: { app: lists, platform: lists, product: { namespaced: true, modules: { category: lists, } }, keyword: { namespaced: true, modules: { username: lists, } }, } }, buzz: { namespaced: true, modules: { shop: lists, } } })
以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持。
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