导入方式如下：import 'vue-resource'
组件使用post：
<script>

export default{
    data () {
        return {
            formSendCodeField:{
                phone: '',
                code: ''
            }
        }
    },
    methods: {
        sendCode () {
            this.$http.post('/api/phone/code', {phone: this.phone})
                .then(function (response) {
                    console.log(response);
                }, function(error){
                    console.log(error)
                })
        }
    }
}

</script>

报错信息为：cannot read property "post" of ubdefined