<template>
 <button @click="handleClick" />
</template>

<script>
export default {
 methods: {
 handleClick() {
 window.alert('button click')
 }
 }
}
</script>

handleClick() {
 window.alert('button click')

 const params = {
 hitType: 'event',
 eventCategory: 'button',
 eventAction: 'click',
 eventLabel: 'click label'
 }

 window.ga('send', params)
}

<template>
 <button @click="handleClick"
  v-ga="{
  eventCategory: 'button',
  eventLabel: 'button click'
  }" />
</template>

export function send(data = {}) {
 const params = {
 hitType: 'event',
 eventCategory: 'button',
 eventAction: 'click',
 eventLabel: 'click label'
 }

 window.ga('send', Object.assign({}, params, data))
}

import * as analyst from './services/analyst'

const plugin = Vue => {
 Vue.directive('ga', {
 bind(el, binding) {
 el.addEventListener('click', () => {
 // binding.value 拿到 v-ga 指令的参数
 analyst.send(binding.value)
 })
 },

 unbind(el) {
 el.removeEventListener('click', () => {})
 }
 })
}

export default plugin

import Vue from 'vue'
import GaPlugin from './plugins/analyst'

Vue.use(GaPlugin)