以get传参请求为例子，

1.配置config/index.js:解决跨域问题
dev: {
		env: require('./dev.env'),
		port: 8008,
		autoOpenBrowser: false,
		assetsSubDirectory: 'static',
		assetsPublicPath: '/',
		proxyTable: {
			'/ajaxurl': {
				target: 'https://www.aaaaaaa.com/',
				changeOrigin: true,
				pathRewrite: {
					'^/ajaxurl': '/'
				}
			}

		}
	
	}

2.main.js：配置axios到原型链中,注意第二十五行
import Vue from 'vue'
import App from './App'
import axios from 'axios'
Vue.prototype.$http=axios;
new Vue({
	el: '#app',
	render: h => h(App)
})

3.app.vue：使用请求，get为例，第四十六行设置参数
<template>
	<div id="app">
		huoqu
		<button @click="myajax">获取首页信息</button>
	</div>
</template>
<script>
	export default {
		name: 'app',
		components: {},
		data: function() {},
		methods: {
			//get为例子
			myajax: function() {
				this.$http.get("/ajaxurl/welfare/gpa/brand/list", {params: {page: 1,size: 10}})
				.then(response => {
					console.log("获取信息成功");
					console.log(response);
				}, response => {
					console.log("获取信息失败");
					console.log(response);
				})

			}
		}
	}
</script>
<style>

</style>