将Vuex添加到我的项目后,我无法访问此 . $ store存储在任何组件中 . 错误消息是
TypeError:_this . $ store未定义
我已经看过一堆已经试图解决这个问题的问题,但据我所知,我做的一切都是正确的 . 有人可以帮忙吗?我使用vue-cli webpack作为我的项目基础
main.js:
import Vue from 'vue';
import resource from 'vue-resource';
import router from './router';
import store from './store/index.js';
import App from './App';
import Home from './components/Home';
import NavButton from './components/atoms/NavButton';
Vue.use(resource);
Vue.config.productionTip = false;
/* eslint-disable no-new */
new Vue({
el: '#app',
router,
store,
components: { App, Home, NavButton },
template: '<App/>'
})
/store/index.js:
import Vue from 'vue'
import Vuex from 'vuex'
Vue.use(Vuex);
const state = {
isWriting: false,
isLoggedIn: false,
}
const getters = {
isWriting: state => {
return state.isWriting;
}
}
export default new Vuex.Store({
state,
getters,
});
App.vue
...
import NavBar from '@/components/organisms/NavBar';
export default {
name: 'App',
components: { NavBar },
created: () => {
console.log(this.$store.state.isLoggedIn); // THIS LINE
}
}
...
的package.json
...
"dependencies": {
"vue": "^2.5.2",
"vue-resource": "^1.3.6",
"vue-router": "^3.0.1",
"vuex": "^3.0.1"
},
...
3 回答
解决了:
使用胖箭头创建不正确,应该是
created: function() {...}
当使用箭头函数时,“this”将不是您期望的Vue实例,因为箭头函数绑定到父上下文 . 代替,
将商店从app.js移动到/store/index.js后,我也遇到了这个问题
我必须在提交中将
state.store.myValue
更改为store.myValue