{"id":7998,"date":"2023-11-28T20:09:51","date_gmt":"2023-11-28T12:09:51","guid":{"rendered":"https:\/\/wx.kaifamiao.info\/?p=7998"},"modified":"2023-12-02T21:05:08","modified_gmt":"2023-12-02T13:05:08","slug":"vue-zhongvuex-shi-shen-me-zen-me-shi-yong-na-zhong","status":"publish","type":"post","link":"http:\/\/wx.kaifamiao.info\/index.php\/2023\/11\/28\/vue-zhongvuex-shi-shen-me-zen-me-shi-yong-na-zhong\/","title":{"rendered":"Vue \u4e2d vuex \u662f\u4ec0\u4e48\uff1f\u600e\u4e48\u4f7f\u7528\uff1f\u54ea\u79cd\u529f\u80fd\u573a\u666f\u4f7f\u7528\u5b83\uff1f"},"content":{"rendered":"

VueX \u662f Vue.js \u5e94\u7528\u7a0b\u5e8f\u7684\u72b6\u6001\u7ba1\u7406\u6a21\u5f0f\uff0c\u7528\u4e8e\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5404\u79cd\u72b6\u6001\u548c\u6570\u636e\u3002\u5b83\u91c7\u7528\u96c6\u4e2d\u5f0f\u5b58\u50a8\u7ba1\u7406\u5e94\u7528\u7684\u6240\u6709\u7ec4\u4ef6\u7684\u72b6\u6001\uff0c\u5e76\u4ee5\u53ef\u9884\u6d4b\u7684\u65b9\u5f0f\u8fdb\u884c\u72b6\u6001\u4fee\u6539\u3002Vuex \u7684\u6838\u5fc3\u6982\u5ff5\u5305\u62ec State\uff08\u72b6\u6001\uff09\u3001Getters\uff08\u83b7\u53d6\u5668\uff09\u3001Mutations\uff08\u53d8\u66f4\uff09\u3001Actions\uff08\u52a8\u4f5c\uff09\u548c Modules\uff08\u6a21\u5757\uff09\uff0c\u8fd9\u4e9b\u5171\u540c\u6784\u6210\u4e86 Vue \u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u6570\u636e\u6d41\u3002<\/p>\n

\u4f7f\u7528 Vuex \u53ef\u4ee5\u5e2e\u52a9\u5728\u5927\u578b\u5e94\u7528\u4e2d\u66f4\u597d\u5730\u7ba1\u7406\u72b6\u6001\uff0c\u786e\u4fdd\u4e0d\u540c\u7ec4\u4ef6\u4e4b\u95f4\u7684\u6570\u636e\u5171\u4eab\u548c\u540c\u6b65\u3002\u5b83\u9002\u7528\u4e8e\u4ee5\u4e0b\u573a\u666f\uff1a<\/p>\n

    \n
  1. \n

    \u5927\u578b\u5355\u9875\u5e94\u7528\u7a0b\u5e8f\uff08SPA\uff09<\/strong>\uff1a\u5f53\u5e94\u7528\u7a0b\u5e8f\u53d8\u5f97\u590d\u6742\uff0c\u591a\u4e2a\u7ec4\u4ef6\u9700\u8981\u5171\u4eab\u548c\u540c\u6b65\u6570\u636e\u65f6\uff0cVuex \u53ef\u4ee5\u5e2e\u52a9\u66f4\u597d\u5730\u7ba1\u7406\u8fd9\u4e9b\u72b6\u6001\uff0c\u907f\u514d\u6570\u636e\u6df7\u4e71\u548c\u4e0d\u4e00\u81f4\u3002<\/p>\n<\/li>\n

  2. \n

    \u8de8\u7ec4\u4ef6\u901a\u4fe1<\/strong>\uff1a\u5f53\u591a\u4e2a\u7ec4\u4ef6\u9700\u8981\u5171\u4eab\u72b6\u6001\u6216\u6570\u636e\u65f6\uff0cVuex \u63d0\u4f9b\u4e86\u4e00\u4e2a\u96c6\u4e2d\u5f0f\u5b58\u50a8\uff0c\u4f7f\u5f97\u6570\u636e\u66f4\u6613\u4e8e\u7ef4\u62a4\u548c\u66f4\u65b0\u3002<\/p>\n<\/li>\n

  3. \n

    \u5f02\u6b65\u64cd\u4f5c<\/strong>\uff1a\u5904\u7406\u5f02\u6b65\u64cd\u4f5c\u65f6\uff0cVuex \u7684 Actions \u53ef\u4ee5\u5e2e\u52a9\u53d1\u8d77\u5f02\u6b65\u8bf7\u6c42\u6216\u64cd\u4f5c\uff0c\u5e76\u5728\u5b8c\u6210\u540e\u63d0\u4ea4 Mutations \u6765\u66f4\u65b0\u72b6\u6001\u3002<\/p>\n<\/li>\n<\/ol>\n

    \u4f7f\u7528 Vuex \u7684\u57fa\u672c\u6b65\u9aa4\u5305\u62ec\uff1a<\/p>\n

      \n
    1. \n

      \u5b89\u88c5 Vuex<\/strong>\uff1a\u5728 Vue.js \u9879\u76ee\u4e2d\u5b89\u88c5 Vuex\uff0c\u901a\u5e38\u53ef\u4ee5\u901a\u8fc7 npm \u6216\u8005 yarn \u5b89\u88c5\u3002<\/p>\n<\/li>\n

    2. \n

      \u521b\u5efa Store<\/strong>\uff1a\u521b\u5efa\u4e00\u4e2a Vuex store\uff0c\u5e76\u5b9a\u4e49\u5e94\u7528\u7a0b\u5e8f\u4e2d\u9700\u8981\u7ba1\u7406\u7684\u72b6\u6001\uff08state\uff09\u3001getters\u3001mutations \u548c actions\u3002<\/p>\n<\/li>\n

    3. \n

      \u5728 Vue \u7ec4\u4ef6\u4e2d\u4f7f\u7528<\/strong>\uff1a\u5728 Vue \u7ec4\u4ef6\u4e2d\u4f7f\u7528 mapState<\/code>\u3001mapGetters<\/code>\u3001mapMutations<\/code> \u548c mapActions<\/code> \u7b49\u8f85\u52a9\u51fd\u6570\u6765\u8fde\u63a5\u7ec4\u4ef6\u548c Vuex store\uff0c\u4ee5\u83b7\u53d6\u72b6\u6001\u3001\u6267\u884c mutations \u6216 actions\u3002<\/p>\n<\/li>\n<\/ol>\n

      \u793a\u4f8b\uff1a<\/p>\n

      \/\/ main.js\nimport Vue from 'vue';\nimport Vuex from 'vuex';\n\nVue.use(Vuex);\n\nconst store = new Vuex.Store({\n  state: {\n    count: 0,\n  },\n  mutations: {\n    increment(state) {\n      state.count++;\n    },\n  },\n  actions: {\n    incrementAsync({ commit }) {\n      setTimeout(() => {\n        commit('increment');\n      }, 1000);\n    },\n  },\n  getters: {\n    doubleCount(state) {\n      return state.count * 2;\n    },\n  },\n});\n\nnew Vue({\n  el: '#app',\n  store,\n  \/\/ ...\u5176\u4ed6\u914d\u7f6e\n});\n<\/code><\/pre>\n
      <!-- MyComponent.vue -->\n<template>\n  <div>\n    <p>Count: {{ count }}<\/p>\n    <p>Double Count: {{ doubleCount }}<\/p>\n    <button @click="increment">Increment<\/button>\n    <button @click="incrementAsync">Increment Async<\/button>\n  <\/div>\n<\/template>\n\n<script>\nimport { mapState, mapGetters, mapActions } from 'vuex';\n\nexport default {\n  computed: {\n    \/\/ \u4f7f\u7528 mapState \u8f85\u52a9\u51fd\u6570\u5c06\u7ec4\u4ef6\u7684 count \u6620\u5c04\u5230 Vuex store \u7684 state\n    ...mapState(['count']),\n    \/\/ \u4f7f\u7528 mapGetters \u8f85\u52a9\u51fd\u6570\u5c06\u7ec4\u4ef6\u7684 doubleCount \u6620\u5c04\u5230 Vuex store \u7684 getters\n    ...mapGetters(['doubleCount']),\n  },\n  methods: {\n    \/\/ \u4f7f\u7528 mapMutations \u8f85\u52a9\u51fd\u6570\u5c06\u7ec4\u4ef6\u7684 increment \u65b9\u6cd5\u6620\u5c04\u5230 Vuex store \u7684 mutations\n    ...mapActions(['increment', 'incrementAsync']),\n  },\n};\n<\/script>\n<\/code><\/pre>\n
      \u4ee5\u4e0a\u793a\u4f8b\u5c55\u793a\u4e86 Vuex \u5728 Vue \u7ec4\u4ef6\u4e2d\u7684\u57fa\u672c\u4f7f\u7528\u65b9\u6cd5\uff0c\u901a\u8fc7\u8fd9\u79cd\u65b9\u5f0f\uff0c\u7ec4\u4ef6\u53ef\u4ee5\u76f4\u63a5\u8bbf\u95ee\u5e76\u64cd\u4f5c Vuex store \u4e2d\u7684\u72b6\u6001\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"
      VueX \u662f Vue.js \u5e94\u7528\u7a0b\u5e8f\u7684\u72b6\u6001\u7ba1\u7406\u6a21\u5f0f\uff0c\u7528\u4e8e\u7ba1\u7406\u5e94\u7528\u7a0b\u5e8f\u4e2d\u7684\u5404\u79cd\u72b6\u6001\u548c\u6570\u636e\u3002\u5b83\u91c7\u7528\u96c6\u4e2d\u5f0f\u5b58\u50a8\u7ba1\u7406\u5e94 […]<\/p>\n","protected":false},"author":11,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[114],"tags":[],"class_list":["post-7998","post","type-post","status-publish","format-standard","hentry","category-vue"],"_links":{"self":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7998","targetHints":{"allow":["GET"]}}],"collection":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/users\/11"}],"replies":[{"embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/comments?post=7998"}],"version-history":[{"count":2,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7998\/revisions"}],"predecessor-version":[{"id":14013,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/posts\/7998\/revisions\/14013"}],"wp:attachment":[{"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/media?parent=7998"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/categories?post=7998"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/wx.kaifamiao.info\/index.php\/wp-json\/wp\/v2\/tags?post=7998"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}