原文網(wǎng)址：Vue--問題解決_IT利刃出鞘的博客-CSDN博客

Cannot read property 'xxx' of undefined

src/components/Blog.js：

//... export default {data () {return {blog: {}}},mounted() {this.$http.get('http://siwei.me/api/interface/blogs/show?id='+this.$route.query.id).then((response) => {this.blog = response.body.result}, (response) => {console.error(response)});} } //...

src/routers/index.js

import Vue from 'vue' import Router from 'vue-router'Vue.use(Router)import HelloWorld from '@/components/HelloWorld' import Blog from '@/components/Blog'export default new Router({routes: [{path: '/',name: 'HelloWorld',component: HelloWorld},{path: '/blog',name: 'blog',component: Blog}] })

?瀏覽器報錯信息

原因：沒有引入Vue.$http.get所需的包

解決方法：在 index.js中引入vue-resource包并使用

import Vue from 'vue' import Router from 'vue-router' import vueRsource from 'vue-resource'Vue.use(vueRsource); Vue.use(Router)import HelloWorld from '@/components/HelloWorld' import SayHi from '@/components/sayHi' import Blog from '@/components/Blog'export default new Router({routes: [{path: '/',name: 'HelloWorld',component: HelloWorld},{path: '/blog',name: 'blog',component: Blog}] })

其他網(wǎng)址

vue.esm.js?efeb:628 [Vue warn]: Error in v-on handler: "TypeError: Cannot read property 'post' of un - Programmer Sought

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