Vue 在vuex 的store中调用axios方法不成功

Question

import axios from 'axios' Vue.prototype.$http = axios;actions: {    // 获取未读消息     GetunderMessage({ commit }, loginToken) {           const formData = new FormData();       formData.append('token', loginToken);       formData.append('app', '0');             console.log(formData);               this.$http.post('http://192.168.16.221:8090/member_api/unreadMessage', formData).then(response => {                   var res = response.data.data;                     console.log(res);         commit('SET_unreadMessage', res.length);       }).catch(error => {                   console.log(error);       });     }   }提示: Cannot read property 'post' of undefined

Answer 1

this.$http
实在app.vue里挂载的axios，
在这里你要用axios