官方文档：https://cn.vuejs.org/v2/cookbook/using-axios-to-consume-apis.html
main.js:
import Vue from 'vue'
import App from './App'
import router from './router'
import axios from 'axios'
Vue.config.productionTip = false
Vue.prototype.axios = axios
new Vue({
el: '#app',
router,
components: { App }, // App就是App.vue组件
template: '<App/>', // 模版名要跟组件名一样
mounted(){
axios.get('https://api.coindesk.com/v1/bpi/currentprice.json').then(function (response) { //https://api.coindesk.com/v1/bpi/currentprice.json 是接口
console.log(response)
}).catch(function () {
console.log('错误')
})
}
})
