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vuex 按需动态引入等常用写法

作者:互联网

1、store目录下添加Chat.js

const Chat = {
  state: {
    path: "222222", 
    token: "",
    subject: ""
  },

  mutations: {
    SET_TOKEN: (state,data) => {
      state.token = data;
    }
  },

  actions: {
    /**
     * this.$store.dispatch('setToken');
     */
    setToken({ commit, state }, data) {
      console.log(11111111111111)
      commit('SET_TOKEN',data);
    },
  }
}

export default Chat

2、动态引入组件之前先加载store

      // val 是否显示弹窗
      showBtn(val){
        if(!this.ChatMessage){ let options = { lock: true, text: '正在加载中...', spinner: 'el-icon-loading', background: 'rgba(0, 0, 0, 0.8)', customClass: 'z-index-9999' } let loading = this.$loading(options) // 动态注入模块 this.$store.registerModule("chat", require("./store/chat").default);
          // 动态引入组件
          this.ChatMessage = () => import('@/views/admin/chatMsg'); let timesIndex = 0; timesIndex = setInterval(()=>{ if($(".ChatMessage").length) { clearInterval(timesIndex) loading.close(); } },200) } this.$store.state.chatMessageShowState = val; if(val) { $("body").addClass("overflow-h"); }else { $("body").removeClass("overflow-h"); }
      }

3、页面中使用方法:

(1) 简单写法

console.log( this.$store.state.chat )
this.$store.dispatch('setToken');

(2)mapState的写法1

import { mapState } from "vuex";

computed: mapState({
    path: (state) => state.chat.path,
}),

console.log(this.path)

(3)mapState的写法2

  import { mapState } from "vuex";
  computed: {
    ...mapState({
      socket: (state) => state.chatSocket.socket,
    }),
    // 是否显示断网提示语
    showTips() {
      return !this.networkStatus || this.websocketState!=1;  // 断网 || 离线状态
    },
  },

 

标签:loading,val,vuex,mapState,state,引入,path,写法,store
来源: https://www.cnblogs.com/stella1024/p/16329674.html