{"id":1454,"date":"2019-11-04T17:18:16","date_gmt":"2019-11-04T09:18:16","guid":{"rendered":"http:\/\/www.iooe.cn\/?p=1454"},"modified":"2019-11-05T15:48:07","modified_gmt":"2019-11-05T07:48:07","slug":"%e5%85%b3%e4%ba%8evuejs%e4%b8%ad-vuex%e7%9a%84%ef%bc%8c-mapgetters-%e5%b1%95%e5%bc%80%e6%96%b9%e6%b3%95%e5%a6%82%e6%9e%9c%e9%81%87%e5%88%b0%e9%87%8d%e5%90%8d%e6%97%b6","status":"publish","type":"post","link":"http:\/\/www.iooe.cn\/index.php\/2019\/11\/04\/%e5%85%b3%e4%ba%8evuejs%e4%b8%ad-vuex%e7%9a%84%ef%bc%8c-mapgetters-%e5%b1%95%e5%bc%80%e6%96%b9%e6%b3%95%e5%a6%82%e6%9e%9c%e9%81%87%e5%88%b0%e9%87%8d%e5%90%8d%e6%97%b6\/","title":{"rendered":"\u5173\u4e8evuejs\u4e2d vuex\u7684\uff0c mapGetters \u5c55\u5f00\u65b9\u6cd5\u5982\u679c\u9047\u5230\u91cd\u540d\u65f6"},"content":{"rendered":"

vuex\uff0c store\u4e2d\u7684\u4e24\u4e2a\u6a21\u5757\u4e2d\u7684 \u3002\u6709\u76f8\u540c\u7684\u65b9\u6cd5\u65f6\u3002 \u53c8\u8981\u5728\u4e00\u4e2a\u9875\u9762\u8c03\u7528\uff0c\u540c\u65f6\u7528\u5c55\u5f00\u65f6\u5c31\u4f1a\u51fa\u95ee\u9898\u3002<\/p>\n

    \n
  1. \u00a0a \u6a21\u5757\u4e2d\u7684\u00a0 \u00a0getName()<\/li>\n
  2. \u00a0b \u6a21\u5757\u4e2d\u7684\u00a0 \u00a0getName()<\/li>\n<\/ol>\n
    \n
    \u00a0\u00a0\/\/\u00a0mapGeter\u00a0\u76f4\u63a5\u83b7\u5f97\u5168\u5c40\u6ce8\u518c\u7684getters<\/div>\n
    \u00a0\u00a0…mapGetters(“a”,[“localJobTitle”]),<\/div>\n
    \u00a0\u00a0…mapGetters(“b”,[“localJobTitle”]),<\/div>\n<\/div>\n
    \u53ea\u80fd\u8f93\u51fa\u6700\u540e\u4e00\u6b21\u8c03\u7528\u7684\u3002 \u5373B\u7684\u7ed3\u679c\uff0c \u8981\u662f\u80fd\u6307\u5b9a\u522b\u540d\u5c31\u597d\u4e86\u3002<\/div>\n
    <\/div>\n
    \u89e3\u51b3\u65b9\u5f0f\uff1a<\/div>\n
    \n
    \u00a0\u00a0…mapGetters(“shopcar”,{\u00a0othershopcar:’localJobTitle’}\u00a0\u00a0)<\/div>\n
    <\/div>\n<\/div>\n
    \u5982\u4e0a\u9762\u7684\u65b9\u8bd5\u8c03\u7528\uff0c \u5373\u53ef\u89e3\u51b3\u3002<\/div>\n
    <\/div>\n
    \n
    \n
    \u6216\u8005\uff1a \u5199\u6210\u4f20\u7edf\u65b9\u5f0f\uff1a<\/div>\n
    <\/div>\n
    \u00a0 \u00a0 \u00a0localJobTitle1()\u00a0{<\/div>\n
    \u00a0 \u00a0 \u00a0 \u00a0return\u00a0this.$store.getters[“login\/localJobTitle”]+\u00a0“self”<\/div>\n
    \u00a0 \u00a0 \u00a0}<\/div>\n<\/div>\n<\/div>\n
    \u5176\u5b83\u00a0 \u5907\u5fd8\uff1a<\/div>\n
    <\/div>\n
    \n
    \n
    \/\/\u00a0\u548c\u6ca1\u6709modules\u7684\u65f6\u5019\u4e00\u6837\uff0c\u540c\u6837\u7684\u65b9\u5f0fdispatch\u00a0action<\/div>\n
    \u00a0\u00a0\u00a0\u00a0changeName()\u00a0{<\/div>\n
    \u00a0\u00a0\u00a0\u00a0\u00a0\u00a0this.$store.dispatch(“login\/changeEagle”,\u00a0“eagle11111”)<\/div>\n
    \u00a0\u00a0\u00a0\u00a0},<\/div>\n<\/div>\n<\/div>\n
    \u8f6c\u8f7d\u4e00\u4e2a\u5e94\u7528\u53c2\u8003\u4f8b\u5b50\uff1a<\/div>\n
    <\/div>\n
    \n
    const moduleA = {\r\n  namespaced: true,\r\n  state: {\r\n    moduleAData: 'a'\r\n  },\r\n  getters:{\r\n    moduleAData: state => state.moduleAData,\r\n  },\r\n  mutations: {\r\n    SET_DATA_A: (state, payload) => {\r\n      state.moduleAData = payload\r\n    }\r\n  },\r\n  actions: {\r\n    setData({ commit }, payload) {\r\n      console.log('a')\r\n      commit('SET_DATA_A', payload)\r\n    }\r\n  }\r\n}\r\n\r\nconst demoB = {\r\n  namespaced: true,\r\n  state: {\r\n    b: 'b'\r\n  },\r\n  getters:{\r\n    dataB: state => state.b,\r\n  },\r\n  mutations: {\r\n    SET_DATA_B: (state, payload) => {\r\n      state.b = payload\r\n    }\r\n  },\r\n  actions: {\r\n    setDatab({ commit }, payload) {\r\n      console.log('b')\r\n      commit('SET_DATA_B', payload)\r\n    },\r\n    someAction:{\r\n      \/\/ root:true,\r\n      handler({commit},payload){\r\n        commit('SET_DATA_B',payload)\r\n      }\r\n    }\r\n  }\r\n}\r\n\r\nexport default new Vuex.Store({\r\n  modules:{\r\n    a: moduleA,\r\n    b:moduleB\r\n  }\r\n})\r\n\r\n\u4f7f\u7528\r\ngetter\r\n...mapGetters('a',['moduleAData']),\r\n...mapGetters('b',['moduleBData']),\r\n\u6216\u8005\r\n...mapGetters('a',{ss:'moduleAData'}),\r\n...mapGetters('b',{bdata:'dataB'})\r\n\r\naction\r\n...mapActions(['a\/setData','namespace\/action']),\r\nthis['a\/setData']('sdsds')\r\n\u6216\u8005 \r\nthis.$store.dispatch('a\/setData','sdsds')\r\n\u6216\u8005\r\n...mapActions('a',{\r\n      'aaa':'setData'\r\n    }),\r\nthis.aaa('\u65b0\u7684a\u6570\u636e')\r\n\u6216\u8005\r\n...mapActions('a',['setData']),\r\n...mapActions('b',['setDatab']),\r\nthis.setData('\u65b0\u7684a\u6570\u636e')<\/pre>\n
     <\/p>\n<\/div>\n","protected":false},"excerpt":{"rendered":"
    vuex\uff0c store\u4e2d\u7684\u4e24\u4e2a\u6a21\u5757\u4e2d\u7684 \u3002\u6709\u76f8\u540c\u7684\u65b9\u6cd5\u65f6\u3002 \u53c8\u8981\u5728\u4e00\u4e2a\u9875\u9762\u8c03\u7528\uff0c\u540c\u65f6\u7528\u5c55\u5f00\u65f6\u5c31\u4f1a\u51fa\u95ee\u9898\u3002 \u00a0a \u6a21\u5757\u4e2d\u7684\u00a0 \u00a0getName() \u00a0b \u6a21\u5757\u4e2d\u7684… <\/p>\n
     \u9605\u8bfb\u66f4\u591a… <\/a><\/div>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[2],"tags":[],"_links":{"self":[{"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/posts\/1454"}],"collection":[{"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/comments?post=1454"}],"version-history":[{"count":2,"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/posts\/1454\/revisions"}],"predecessor-version":[{"id":1456,"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/posts\/1454\/revisions\/1456"}],"wp:attachment":[{"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/media?parent=1454"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/categories?post=1454"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/www.iooe.cn\/index.php\/wp-json\/wp\/v2\/tags?post=1454"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}