![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250811125412-6899e7f41dd15.png\")
<\/h3>\n\u76ee\u5f55<\/p>\n
\u00a0\u200b\u7f16\u8f91<\/p>\n
\n
\u4e0d\u80fd\u76f4\u63a5\u4fee\u6539state<\/p>\n
\u4e0d\u5141\u8bb8\u76f4\u63a5\u4fee\u6539\u7684\u539f\u56e0<\/p>\n
\u5982\u4f55\u542f\u7528\u4e25\u683c\u6a21\u5f0f<\/p>\n
\u6ce8\u610f\u4e8b\u9879<\/p>\n
\u5982\u4f55\u4fee\u6539\u00a0state<\/p>\n
Mutations<\/p>\n
\u5b9a\u4e49 Mutations<\/p>\n
\u63d0\u4ea4 Mutations<\/p>\n
\u4f7f\u7528 Vuex \u5728\u7ec4\u4ef6\u5185\u63d0\u4ea4 Mutations<\/p>\n
actions<\/p>\n
\u4e3a\u4ec0\u4e48\u9700\u8981 Actions？<\/p>\n
\u5b9a\u4e49 Actions<\/p>\n
\u5206\u53d1 Actions<\/p>\n
\u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528 Actions<\/p>\n
Actions \u7684\u8fd4\u56de\u503c<\/p>\n
\u603b\u7ed3<\/p>\n
<\/h3>\n![\"\"](\"https:\/\/www.wsisp.com\/helps\/wp-content\/uploads\/2025\/08\/20250811125412-6899e7f486b4c.png\")
<\/p>\n
state \u5bf9\u8c61\u4e0d\u80fd\u76f4\u63a5\u4fee\u6539\u3002\u8fd9\u662f\u56e0\u4e3a Vuex \u8bbe\u8ba1\u7684\u6838\u5fc3\u539f\u5219\u4e4b\u4e00\u662f\u72b6\u6001\u7684\u5355\u4e00\u6570\u636e\u6e90\u548c\u72b6\u6001\u7684\u4e0d\u53ef\u53d8\u6027（immutability）\u3002Vuex \u7684 state \u662f\u54cd\u5e94\u5f0f\u7684，\u8fd9\u610f\u5473\u7740\u5f53 state \u53d1\u751f\u53d8\u5316\u65f6，Vue \u80fd\u591f\u68c0\u6d4b\u5230\u8fd9\u4e9b\u53d8\u5316\u5e76\u66f4\u65b0\u89c6\u56fe\u3002\u7136\u800c，\u4e3a\u4e86\u786e\u4fdd\u72b6\u6001\u7684\u53d8\u5316\u662f\u53ef\u8ffd\u8e2a\u548c\u9884\u6d4b\u7684，Vuex \u5f3a\u5236\u6240\u6709\u7684\u72b6\u6001\u53d8\u66f4\u90fd\u5fc5\u987b\u901a\u8fc7\u660e\u786e\u7684\u63d0\u4ea4（commit）\u6765\u5b8c\u6210\u3002<\/p>\n
\u54cd\u5e94\u5f0f\u673a\u5236：\u5982\u679c\u76f4\u63a5\u4fee\u6539 state，Vue \u7684\u54cd\u5e94\u5f0f\u7cfb\u7edf\u53ef\u80fd\u65e0\u6cd5\u68c0\u6d4b\u5230\u8fd9\u4e9b\u53d8\u5316，\u5bfc\u81f4\u89c6\u56fe\u4e0d\u4f1a\u6b63\u786e\u66f4\u65b0\u3002<\/p>\n<\/li>\n
\u8c03\u8bd5\u548c\u5f00\u53d1\u5de5\u5177\u652f\u6301：Vuex \u63d0\u4f9b\u4e86\u65f6\u95f4\u65c5\u884c\u548c\u72b6\u6001\u5feb\u7167\u7b49\u529f\u80fd，\u8fd9\u4e9b\u529f\u80fd\u4f9d\u8d56\u4e8e\u5bf9\u72b6\u6001\u53d8\u66f4\u7684\u660e\u786e\u8bb0\u5f55\u3002\u5982\u679c\u53ef\u4ee5\u968f\u610f\u4fee\u6539 state，\u90a3\u4e48\u8c03\u8bd5\u5c06\u4f1a\u53d8\u5f97\u975e\u5e38\u56f0\u96be\u3002<\/p>\n<\/li>\n
\u7ef4\u62a4\u6027\u548c\u53ef\u8bfb\u6027：\u901a\u8fc7\u5b9a\u4e49\u660e\u786e\u7684 mutation \u6765\u6539\u53d8\u72b6\u6001，\u53ef\u4ee5\u4f7f\u4ee3\u7801\u66f4\u52a0\u6e05\u6670\u3001\u6613\u4e8e\u7406\u89e3\u548c\u7ef4\u62a4\u3002<\/p>\n<\/li>\n
\u4e3a\u4e86\u8ba9\u76f4\u63a5\u4fee\u6539 Vuex \u7684 state \u62a5\u9519，\u4f60\u53ef\u4ee5\u5229\u7528 Vue \u548c Vuex \u63d0\u4f9b\u7684\u4e25\u683c\u6a21\u5f0f（strict mode）\u3002\u5728\u4e25\u683c\u6a21\u5f0f\u4e0b，\u4efb\u4f55\u4e0d\u5728 mutation \u51fd\u6570\u4e2d\u8fdb\u884c\u7684 state \u4fee\u6539\u90fd\u4f1a\u629b\u51fa\u9519\u8bef\u3002\u8fd9\u6709\u52a9\u4e8e\u786e\u4fdd\u6240\u6709\u7684\u72b6\u6001\u53d8\u66f4\u90fd\u662f\u901a\u8fc7\u660e\u786e\u7684\u63d0\u4ea4\u6765\u5b8c\u6210\u7684，\u4ece\u800c\u589e\u5f3a\u5e94\u7528\u7684\u53ef\u7ef4\u62a4\u6027\u548c\u8c03\u8bd5\u80fd\u529b\u3002<\/p>\n
\u5728\u521b\u5efa Vuex store \u65f6，\u53ef\u4ee5\u901a\u8fc7\u8bbe\u7f6e strict: true \u6765\u542f\u7528\u4e25\u683c\u6a21\u5f0f：<\/p>\n
const store = new Vuex.Store({
\n state: {
\n \/\/ your state
\n },
\n mutations: {
\n \/\/ your mutations
\n },
\n strict: true \/\/ \u542f\u7528\u4e25\u683c\u6a21\u5f0f
\n}) <\/p>\n
\u5f00\u53d1\u73af\u5883：\u4e25\u683c\u6a21\u5f0f\u4f1a\u5bf9\u6027\u80fd\u6709\u8f7b\u5fae\u5f71\u54cd，\u56e0\u4e3a\u5b83\u4f1a\u5728\u6bcf\u6b21\u72b6\u6001\u53d8\u66f4\u65f6\u8fdb\u884c\u989d\u5916\u7684\u68c0\u67e5\u3002\u56e0\u6b64，\u5efa\u8bae\u53ea\u5728\u5f00\u53d1\u73af\u5883\u4e2d\u542f\u7528\u4e25\u683c\u6a21\u5f0f，\u5728\u751f\u4ea7\u73af\u5883\u4e2d\u5e94\u5c06\u5176\u5173\u95ed\u4ee5\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u6027\u80fd\u5f00\u9500\u3002<\/p>\n<\/li>\n
\u751f\u4ea7\u73af\u5883\u7981\u7528：\u901a\u5e38\u60c5\u51b5\u4e0b，\u4f60\u4f1a\u6839\u636e\u73af\u5883\u53d8\u91cf\u6765\u51b3\u5b9a\u662f\u5426\u542f\u7528\u4e25\u683c\u6a21\u5f0f\u3002\u4f8b\u5982，\u53ef\u4ee5\u8fd9\u6837\u505a：<\/p>\n
const store = new Vuex.Store({
\n state: {
\n \/\/ your state
\n },
\n mutations: {
\n \/\/ your mutations
\n },
\n strict: process.env.NODE_ENV !== 'production' \/\/ \u6839\u636e\u73af\u5883\u53d8\u91cf\u5224\u65ad
\n}) <\/li>\n<\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f，\u4f60\u53ef\u4ee5\u5728\u5f00\u53d1\u8fc7\u7a0b\u4e2d\u6355\u83b7\u6240\u6709\u5bf9 Vuex \u72b6\u6001\u7684\u975e\u6cd5\u76f4\u63a5\u4fee\u6539，\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u9075\u5faa Vuex \u7684\u6700\u4f73\u5b9e\u8df5，\u5373\u6240\u6709\u7684\u72b6\u6001\u53d8\u66f4\u90fd\u5e94\u8be5\u901a\u8fc7 mutation \u8fdb\u884c\u3002\u8fd9\u4e0d\u4ec5\u63d0\u9ad8\u4e86\u4ee3\u7801\u7684\u53ef\u7ef4\u62a4\u6027，\u4e5f\u4f7f\u5f97\u8c03\u8bd5\u53d8\u5f97\u66f4\u52a0\u5bb9\u6613\u3002<\/p>\n
\u4e3a\u4e86\u4fee\u6539 Vuex \u4e2d\u7684 state，\u4f60\u9700\u8981\u4f7f\u7528 mutations\u3002Mutations \u662f\u552f\u4e00\u80fd\u591f\u6539\u53d8 state \u7684\u65b9\u5f0f，\u5e76\u4e14\u5b83\u4eec\u5fc5\u987b\u662f\u540c\u6b65\u51fd\u6570\u3002\u8fd9\u610f\u5473\u7740\u6240\u6709\u72b6\u6001\u7684\u53d8\u66f4\u90fd\u5fc5\u987b\u901a\u8fc7 mutations \u6765\u8fdb\u884c\u3002\u8fd9\u6837\u505a\u7684\u597d\u5904\u662f\u53ef\u4ee5\u96c6\u4e2d\u7ba1\u7406\u548c\u8ffd\u8e2a\u6240\u6709\u7684\u72b6\u6001\u53d8\u5316，\u6709\u52a9\u4e8e\u8c03\u8bd5\u548c\u7ef4\u62a4\u3002\u4ee5\u4e0b\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u4f8b\u5b50：<\/p>\n
\/\/ \u5728 store \u4e2d\u5b9a\u4e49 mutation
\nconst store = new Vuex.Store({
\n state: {
\n count: 0
\n },
\n mutations: {
\n increment(state) {
\n \/\/ \u53d8\u66f4\u72b6\u6001
\n state.count++
\n }
\n }
\n})<\/p>\n
\/\/ \u5728\u7ec4\u4ef6\u4e2d\u63d0\u4ea4 mutation
\nthis.$store.commit('increment') <\/p>\n
\u57fa\u672c\u6982\u5ff5<\/p>\n
\u540c\u6b65\u6027: Mutations \u5fc5\u987b\u662f\u540c\u6b65\u51fd\u6570\u3002\u8fd9\u610f\u5473\u7740\u5f53\u4f60\u8c03\u7528\u4e00\u4e2a mutation handler，\u8fd9\u4e2a\u8c03\u7528\u5b8c\u6210\u540e，\u72b6\u6001\u5e94\u8be5\u5df2\u7ecf\u88ab\u66f4\u65b0\u4e86\u3002\u8fd9\u4f7f\u5f97 Vuex \u80fd\u591f\u8bb0\u5f55\u6bcf\u4e00\u6b21\u7684\u72b6\u6001\u53d8\u66f4，\u5e76\u5141\u8bb8\u5f00\u53d1\u8005\u4f7f\u7528 devtools \u8fdb\u884c\u65f6\u95f4\u65c5\u884c\u8c03\u8bd5（time travel debugging）\u3002<\/p>\n<\/li>\n
Payload: \u4f60\u53ef\u4ee5\u5411 mutations \u63d0\u4ea4\u989d\u5916\u7684\u53c2\u6570，\u8fd9\u4e9b\u53c2\u6570\u88ab\u79f0\u4e3a payload（\u8f7d\u8377）\u3002\u8fd9\u5141\u8bb8\u4f60\u4f20\u9012\u9700\u8981\u7684\u6570\u636e\u5230 mutation \u51fd\u6570\u4e2d\u3002<\/p>\n<\/li>\n
\u63d0\u4ea4\u98ce\u683c: \u53ef\u4ee5\u4f7f\u7528\u4e24\u79cd\u65b9\u5f0f\u63d0\u4ea4 mutations：\u666e\u901a\u98ce\u683c\u548c\u5bf9\u8c61\u98ce\u683c\u3002<\/p>\n<\/li>\n
\u5728 Vuex store \u4e2d\u5b9a\u4e49 mutations：<\/p>\n
const store = new Vuex.Store({
\n state: {
\n count: 0
\n },
\n mutations: {
\n increment(state) {
\n \/\/ \u4fee\u6539\u72b6\u6001
\n state.count++
\n },
\n decrement(state, payload) {
\n \/\/ \u4f7f\u7528\u8f7d\u8377\u6765\u4fee\u6539\u72b6\u6001
\n state.count -= payload.amount
\n }
\n }
\n}) <\/p>\n
\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d，\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a mutations: increment \u548c decrement\u3002increment \u4e0d\u63a5\u53d7\u4efb\u4f55\u53c2\u6570，\u800c decrement \u63a5\u53d7\u4e00\u4e2a\u5305\u542b amount \u5c5e\u6027\u7684\u5bf9\u8c61\u4f5c\u4e3a\u5176\u8f7d\u8377\u3002<\/p>\n
\u53ef\u4ee5\u901a\u8fc7 store.commit \u65b9\u6cd5\u6765\u63d0\u4ea4 mutations\u3002\u6709\u4e24\u79cd\u63d0\u4ea4\u98ce\u683c：<\/p>\n
\u666e\u901a\u98ce\u683c<\/p>\n
store.commit('increment') <\/li>\n
\u5bf9\u8c61\u98ce\u683c<\/p>\n
\u00a0 <\/p>\n
\u5bf9\u8c61\u98ce\u683c\u5141\u8bb8\u4f60\u5728\u63d0\u4ea4\u65f6\u540c\u65f6\u6307\u5b9a mutation \u7c7b\u578b\u548c\u8f7d\u8377\u3002<\/p>\n
store.commit({
\n type: 'decrement',
\n amount: 10
\n}) <\/li>\n<\/ul>\n
\u5bf9\u4e8e\u5e26\u8f7d\u8377\u7684 mutation \u8c03\u7528，\u4f60\u4e5f\u53ef\u4ee5\u8fd9\u6837\u5199：<\/p>\n
store.commit('decrement', { amount: 10 }) <\/p>\n
\u5728 Vue \u7ec4\u4ef6\u5185\u90e8，\u4f60\u53ef\u4ee5\u901a\u8fc7 this.$store.commit \u6765\u63d0\u4ea4 mutations，\u6216\u8005\u66f4\u63a8\u8350\u7684\u65b9\u5f0f\u662f\u4f7f\u7528 mapMutations \u8f85\u52a9\u51fd\u6570\u5c06\u7ec4\u4ef6\u7684\u65b9\u6cd5\u6620\u5c04\u4e3a store.commit \u8c03\u7528\u3002<\/p>\n
\u4f7f\u7528 mapMutations:<\/p>\n
import { mapMutations } from 'vuex'<\/p>\n
export default {
\n methods: {
\n …mapMutations([
\n 'increment',
\n 'decrement'
\n ]),
\n someMethod() {
\n this.increment()
\n this.decrement({ amount: 5 })
\n }
\n }
\n} <\/p>\n
\u8fd9\u6837\u505a\u53ef\u4ee5\u8ba9\u7ec4\u4ef6\u7684\u65b9\u6cd5\u76f4\u63a5\u6620\u5c04\u5230\u5bf9\u5e94\u7684 mutations \u4e0a，\u4f7f\u4ee3\u7801\u66f4\u52a0\u7b80\u6d01\u3002<\/p>\n
Mutations \u662f Vuex \u4e2d\u7528\u4e8e\u4fee\u6539 state \u7684\u552f\u4e00\u5408\u6cd5\u9014\u5f84，\u786e\u4fdd\u4e86\u6240\u6709\u72b6\u6001\u7684\u53d8\u5316\u90fd\u662f\u53ef\u9884\u6d4b\u548c\u53ef\u8ffd\u8e2a\u7684\u3002\u901a\u8fc7\u5b9a\u4e49\u660e\u786e\u7684 mutations \u5e76\u9075\u5faa\u4e25\u683c\u7684\u63d0\u4ea4\u89c4\u5219，\u53ef\u4ee5\u5e2e\u52a9\u5f00\u53d1\u8005\u66f4\u597d\u5730\u7ba1\u7406\u5e94\u7528\u7684\u72b6\u6001，\u63d0\u5347\u4ee3\u7801\u7684\u53ef\u8bfb\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
\u5982\u679c\u4f60\u9700\u8981\u6267\u884c\u5f02\u6b65\u64cd\u4f5c，\u5e94\u8be5\u4f7f\u7528 actions\u3002Actions \u53ef\u4ee5\u5305\u542b\u4efb\u610f\u5f02\u6b65\u64cd\u4f5c，\u5e76\u4e14\u6700\u7ec8\u901a\u8fc7\u63d0\u4ea4 mutation \u6765\u6539\u53d8\u72b6\u6001\u3002<\/p>\n
\/\/ \u5728 store \u4e2d\u5b9a\u4e49 action
\nconst store = new Vuex.Store({
\n actions: {
\n incrementAsync({ commit }) {
\n setTimeout(() => {
\n commit('increment')
\n }, 1000)
\n }
\n }
\n})<\/p>\n
\/\/ \u5728\u7ec4\u4ef6\u4e2d\u5206\u53d1 action
\nthis.$store.dispatch('incrementAsync') <\/p>\n
\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f，\u4f60\u53ef\u4ee5\u786e\u4fdd\u6240\u6709\u72b6\u6001\u7684\u66f4\u6539\u90fd\u662f\u900f\u660e\u548c\u53ef\u63a7\u7684，\u8fd9\u6709\u52a9\u4e8e\u4fdd\u6301\u5e94\u7528\u7684\u4e00\u81f4\u6027\u548c\u53ef\u7ef4\u62a4\u6027\u3002<\/p>\n
Actions \u7c7b\u4f3c\u4e8e Mutations，\u4f46\u4e0d\u540c\u4e4b\u5904\u5728\u4e8e：<\/p>\n
\u7b80\u5355\u6765\u8bf4，Actions \u662f\u5904\u7406\u4e1a\u52a1\u903b\u8f91（\u5c24\u5176\u662f\u5f02\u6b65\u64cd\u4f5c）\u7684\u5730\u65b9，\u800c Mutations \u662f\u552f\u4e00\u4fee\u6539\u72b6\u6001\u7684\u5730\u65b9\u3002<\/p>\n
\u5728 Vuex store \u7684 actions \u9009\u9879\u4e2d\u5b9a\u4e49 Actions\u3002\u6bcf\u4e2a Action \u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u540d\u4e3a context \u7684\u5bf9\u8c61\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u3002\u8fd9\u4e2a context \u5bf9\u8c61\u5305\u542b\u4ee5\u4e0b\u5c5e\u6027\u548c\u65b9\u6cd5：<\/p>\n
\u901a\u5e38，\u6211\u4eec\u4f7f\u7528 ES2015 \u7684\u53c2\u6570\u89e3\u6784\u8bed\u6cd5\u6765\u76f4\u63a5\u63d0\u53d6 commit（\u4ee5\u53ca state, getters \u7b49），\u4f7f\u4ee3\u7801\u66f4\u7b80\u6d01\u3002<\/p>\n
const store = new Vuex.Store({
\n state: {
\n count: 0,
\n userInfo: null
\n },
\n mutations: {
\n increment(state) {
\n state.count++
\n },
\n setUserInfo(state, userInfo) {
\n state.userInfo = userInfo
\n }
\n },
\n actions: {
\n \/\/ \u57fa\u672c\u5f62\u5f0f：\u4f7f\u7528 context.commit
\n incrementAsync(context) {
\n setTimeout(() => {
\n context.commit('increment') \/\/ \u63d0\u4ea4 mutation
\n }, 1000)
\n },<\/p>\n
\/\/ \u4f7f\u7528\u53c2\u6570\u89e3\u6784：\u76f4\u63a5\u89e3\u6784\u51fa commit
\n incrementAsync2({ commit }) {
\n setTimeout(() => {
\n commit('increment')
\n }, 1000)
\n },<\/p>\n
\/\/ \u5305\u542b\u5f02\u6b65\u64cd\u4f5c\u548c\u590d\u6742\u903b\u8f91
\n fetchUserInfo({ commit, state }) {
\n \/\/ \u53ef\u4ee5\u68c0\u67e5\u5f53\u524d\u72b6\u6001，\u4f8b\u5982\u907f\u514d\u91cd\u590d\u8bf7\u6c42
\n if (state.userInfo) {
\n console.log('User info already exists, skipping fetch.')
\n return
\n }<\/p>\n
\/\/ \u6a21\u62df\u5f02\u6b65 API \u8c03\u7528
\n api.getUserInfo().then(userInfo => {
\n commit('setUserInfo', userInfo) \/\/ \u6210\u529f\u540e\u63d0\u4ea4 mutation
\n }).catch(error => {
\n console.error('Failed to fetch user info:', error)
\n \/\/ \u53ef\u4ee5\u63d0\u4ea4\u4e00\u4e2a\u9519\u8bef\u5904\u7406\u7684 mutation
\n \/\/ commit('setError', error.message)
\n })
\n },<\/p>\n
\/\/ \u7ec4\u5408\u591a\u4e2a actions (\u4f7f\u7528 dispatch)
\n initializeApp({ dispatch }) {
\n \/\/ \u53ef\u4ee5\u5e76\u884c\u6216\u4e32\u884c\u5730\u8c03\u7528\u5176\u4ed6 actions
\n dispatch('fetchUserInfo')
\n dispatch('fetchSettings')
\n \/\/ … \u5176\u4ed6\u521d\u59cb\u5316\u903b\u8f91
\n }
\n }
\n}) <\/p>\n
\u4f7f\u7528 store.dispatch \u65b9\u6cd5\u6765\u89e6\u53d1（\u5206\u53d1）Actions\u3002\u4e0e commit \u4e0d\u540c，dispatch \u53ef\u4ee5\u8fd4\u56de\u4e00\u4e2a Promise（\u5982\u679c Action \u5185\u90e8\u8fd4\u56de\u4e86 Promise），\u8fd9\u4f7f\u5f97\u4f60\u53ef\u4ee5\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u7684\u5b8c\u6210\u72b6\u6001\u3002<\/p>\n
\/\/ 1. \u57fa\u672c\u5206\u53d1
\nstore.dispatch('incrementAsync')<\/p>\n
\/\/ 2. \u5206\u53d1\u65f6\u643a\u5e26\u8f7d\u8377 (Payload)
\nstore.dispatch('fetchUserInfo', { userId: 123 }) \/\/ \u8f7d\u8377\u4f5c\u4e3a\u7b2c\u4e8c\u4e2a\u53c2\u6570
\n\/\/ \u5728 Action \u4e2d，\u53ef\u4ee5\u901a\u8fc7\u7b2c\u4e8c\u4e2a\u53c2\u6570\u63a5\u6536\u8f7d\u8377
\n\/\/ actions: { fetchUserInfo({ commit }, payload) { … } }<\/p>\n
\/\/ 3. \u4f7f\u7528\u5bf9\u8c61\u98ce\u683c\u5206\u53d1
\nstore.dispatch({
\n type: 'fetchUserInfo',
\n userId: 123
\n})<\/p>\n
\/\/ 4. \u5904\u7406\u8fd4\u56de\u7684 Promise
\nstore.dispatch('fetchUserInfo').then(() => {
\n console.log('User info fetched successfully!')
\n}).catch(error => {
\n console.error('Fetch failed:', error)
\n}) <\/p>\n
\u5728 Vue \u7ec4\u4ef6\u4e2d，\u53ef\u4ee5\u901a\u8fc7 this.$store.dispatch \u6765\u5206\u53d1 Actions，\u6216\u8005\u4f7f\u7528 mapActions \u8f85\u52a9\u51fd\u6570\u3002<\/p>\n
\u65b9\u6cd5\u4e00：\u76f4\u63a5\u4f7f\u7528 this.$store.dispatch<\/p>\n
export default {
\n methods: {
\n async handleFetchUser() {
\n try {
\n await this.$store.dispatch('fetchUserInfo')
\n console.log('User loaded!')
\n } catch (error) {
\n console.error('Error:', error)
\n }
\n }
\n }
\n} <\/p>\n
\u65b9\u6cd5\u4e8c：\u4f7f\u7528 mapActions \u8f85\u52a9\u51fd\u6570<\/p>\n
import { mapActions } from 'vuex'<\/p>\n
export default {
\n methods: {
\n \/\/ \u5c06 this.incrementAsync() \u6620\u5c04\u4e3a this.$store.dispatch('incrementAsync')
\n …mapActions([
\n 'incrementAsync',
\n 'fetchUserInfo'
\n ]),<\/p>\n
\/\/ \u4e5f\u53ef\u4ee5\u5c06 action \u6620\u5c04\u5230\u4e0d\u540c\u7684\u65b9\u6cd5\u540d
\n …mapActions({
\n loadUser: 'fetchUserInfo' \/\/ \u5c06 this.loadUser() \u6620\u5c04\u4e3a this.$store.dispatch('fetchUserInfo')
\n }),<\/p>\n
async handleInitialize() {
\n \/\/ \u4f7f\u7528\u6620\u5c04\u540e\u7684\u65b9\u6cd5
\n await this.loadUser()
\n \/\/ \u6216\u8005
\n \/\/ await this.fetchUserInfo()
\n }
\n }
\n} <\/p>\n
Actions \u53ef\u4ee5\u8fd4\u56de\u4efb\u4f55\u503c，\u4f46\u901a\u5e38\u8fd4\u56de\u4e00\u4e2a Promise，\u4ee5\u4fbf\u8c03\u7528\u8005\u53ef\u4ee5\u77e5\u9053\u5f02\u6b65\u64cd\u4f5c\u4f55\u65f6\u5b8c\u6210\u3002<\/p>\n
actions: {
\n async fetchUserInfoAsync({ commit }) {
\n try {
\n const userInfo = await api.getUserInfo() \/\/ \u5047\u8bbe api.getUserInfo \u8fd4\u56de Promise
\n commit('setUserInfo', userInfo)
\n return userInfo \/\/ \u8fd4\u56de\u83b7\u53d6\u5230\u7684\u6570\u636e
\n } catch (error) {
\n console.error(error)
\n throw error \/\/ \u91cd\u65b0\u629b\u51fa\u9519\u8bef，\u8ba9\u8c03\u7528\u8005\u5904\u7406
\n }
\n }
\n}<\/p>\n
\/\/ \u5728\u7ec4\u4ef6\u4e2d\u4f7f\u7528
\nmethods: {
\n async loadUser() {
\n try {
\n const userInfo = await this.$store.dispatch('fetchUserInfoAsync')
\n console.log('Fetched user:', userInfo)
\n } catch (error) {
\n \/\/ \u5904\u7406\u9519\u8bef
\n }
\n }
\n} <\/p>\n
\u9075\u5faa "Actions \u5904\u7406\u903b\u8f91，Mutations \u4fee\u6539\u72b6\u6001" \u7684\u6a21\u5f0f，\u662f\u6784\u5efa\u53ef\u7ef4\u62a4\u3001\u53ef\u8c03\u8bd5\u7684 Vuex \u5e94\u7528\u7684\u5173\u952e\u3002<\/p>\n<\/p>\n
\u00a0\u5199\u5728\u6700\u540e.\u00a0<\/p>\n
\u80fd\u5165\u624b\u4e00\u4e2a\u53ef\u4ee5\u7684\u9879\u76ee. \u6846\u67b6\u662f\u57fa\u7840. \u5e95\u5c42\u7684js+html+css \u4e5f\u9700\u8981\u6253\u7262.<\/p>\n
\u535a\u4e3b\u4e5f\u5b8c\u7ed3\u4e86 \u524d\u7aef \u57fa\u7840\u8bfe\u7a0b .\u53c2\u8003\u00a0https:\/\/blog.csdn.net\/chxii\/category_12913839.html<\/p>\n","protected":false},"excerpt":{"rendered":"
\u6587\u7ae0\u6d4f\u89c8\u9605\u8bfb384\u6b21\uff0c\u70b9\u8d5e12\u6b21\uff0c\u6536\u85cf10\u6b21\u3002state: {count: 0},\/\/ \u4fee\u6539\u72b6\u6001},\/\/ \u4f7f\u7528\u8f7d\u8377\u6765\u4fee\u6539\u72b6\u6001})\u5728\u8fd9\u4e2a\u4f8b\u5b50\u4e2d\uff0c\u6211\u4eec\u5b9a\u4e49\u4e86\u4e24\u4e2a mutations:increment\u548cdecrement\u3002increment\u4e0d\u63a5\u53d7\u4efb\u4f55\u53c2\u6570\uff0c\u800cdecrement\u63a5\u53d7\u4e00\u4e2a\u5305\u542bamount\u5c5e\u6027\u7684\u5bf9\u8c61\u4f5c\u4e3a\u5176\u8f7d\u8377\u3002\u5728 Vuex store \u7684actions\u9009\u9879\u4e2d\u5b9a\u4e49 Actions\u3002\u6bcf\u4e2a Action \u51fd\u6570\u63a5\u6536\u4e00\u4e2a\u540d\u4e3acontext\u7684\u5bf9\u8c61\u4f5c\u4e3a\u7b2c\u4e00\u4e2a\u53c2\u6570\u3002\u8fd9\u4e2acontextstate: \u6307\u5411\u3002rootState\u3002<\/p>\n","protected":false},"author":2,"featured_media":52883,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[684,187,625,87],"topic":[],"class_list":["post-52885","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-server","tag-vue3","tag-javascript","tag-vue-js","tag-87"],"yoast_head":"\n