eventBus

1.在一个组件里面
引入eventbus
import eventBus from ‘…/mlib/util/eventbus.js’;

   beforeDestroy(){
    
      var that = this;
      eventBus.$emit('configItemKey', {
    
        'configItemKey': that.configItemKeylist,
        'type': that.type,
        'scrollTop':this.scrollTop
      });
    },

2.在另一个组件接收

 created() {
    
     eventBus.$off('configItemKey');先消除免得重复获取
 	this.getEventBus();
}
getEventBus() {
    
	var that = this;
	eventBus.$on('configItemKey', function (data) {
    
          that.$nextTick(() => {
    
            	that.channelItemKey = data.configItemKey; 
          })
    
 	}) 
}

3.eventBus组件：

import Vue from 'vue'
/** * 定义空的vue实例，作为 eventbus实现非父子组件之间的通信(vue2.x中去掉了broadcast) */
var eventBus = new Vue({
    });
export default eventBus;