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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                [TOC] ### 全局 State * [ ] 聲明一個 appName 變量 保存在 state 中,并在組件中調用 store / state.js ``` const state = { // state 用于存放數據 appName: 'admin' } export default state ``` ***** 組件調用: >[danger] State 存放的數據,需要用 mapState 混入 組件的 computed 計算屬性中 ``` <template> <div> <h1> 管理員:{{appName}} </h1> </div> </template> <script> import { mapState } from 'vuex' export default { computed: { ...mapState({ appName: state => state.appName }) } } </script> <style lang="scss" scoped> </style> ``` ***** ### 模塊中的 State module / user.js ``` const state = { userName: '張三' } const actions = {} const mutations = {} export default { namespaced: true, state, actions, mutations } ``` ***** 組件中調用: >[danger] 注意!!! 模塊中加了命名空間,調用時,需要加上模塊名稱 ``` <template> <div> <h1> 管理員:{{appName}} </h1> <h2> 當前登錄用戶:{{userName}} </h2> </div> </template> <script> import { mapState } from 'vuex' export default { computed: { ...mapState({ appName: state => state.appName, // 調用 user 模塊下的 state 數據 userName: state => state.user.userName }) } } </script> <style lang="scss" scoped> </style> ```
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