物联网架构成长之路(36)-Vue前端入门

 1 #现在npm 仓库的网络已经很不错了，如果还不行，那可以使用cnpm
 2 # 安装淘宝镜像
 3 npm install -g cnpm --registry=https://registry.npm.taobao.org
 4 #安装 vue-cli 全局安装vue-cli脚手架
 5 npm install -g vue-cli
 6 #查看是否安装成功
 7 vue -V
 8 #安装 @vue/cli-init
 9 npm install -g @vue/cli-init
10 #使用vue-cli 创建项目
11 vue init webpack projectName

1 cd datav
2 npm run dev

 1 import Vue from ‘vue‘
 2 import Router from ‘vue-router‘
 3 import HelloWorld from ‘@/components/HelloWorld‘
 4 
 5 Vue.use(Router)
 6 
 7 export default new Router({
 8   mode: ‘history‘,
 9   routes: [
10     {
11       path: ‘/‘,
12       name: ‘HelloWorld‘,
13       component: HelloWorld
14     }
15   ]
16 })

1 npm install axios
2 npm install vue-axios
3 npm install @jiaminghi/data-view
4 npm install --save-dev mockjs
5 #安装依赖过程中，如果出现奇奇怪怪的问题，可以删除 node_modules 然后重新 npm install
6 npm run dev

1   "dependencies": {
2     "@jiaminghi/data-view": "^2.4.5",
3     "axios": "^0.19.0",
4     "vue": "^2.5.2",
5     "vue-axios": "^2.1.5",
6     "vue-router": "^3.0.1"
7   },

 1 // The Vue build version to load with the `import` command
 2 // (runtime-only or standalone) has been set in webpack.base.conf with an alias.
 3 import Vue from ‘vue‘
 4 import App from ‘./App‘
 5 import router from ‘./router‘
 6 import axios from ‘axios‘
 7 import VueAxios from ‘vue-axios‘
 8 import dataV from ‘@jiaminghi/data-view‘
 9 
10 require(‘./mock/mock.js‘)
11 require(‘./http/http.js‘)
12 
13 Vue.use(VueAxios, axios)
14 Vue.use(dataV)
15 Vue.config.productionTip = false
16 
17 /* eslint-disable no-new */
18 new Vue({
19   el: ‘#app‘,
20   router,
21   components: { App },
22   template: ‘<App/>‘
23 })

 1 import axios from ‘axios‘
 2 
 3 axios.defaults.headers.get[‘Conetnt-Type‘] = ‘application/json‘
 4 
 5 //请求拦截
 6 axios.interceptors.request.use(
 7   config =>{
 8     const token = localStorage.getItem(‘userToken‘);
 9     //Authorization: Bearer AccessToken OAuth2.0认证时，需要从浏览器存储中获取AccessToken
10     config.headers.Authorization = "Bearer " + "token";
11     return config;
12   },
13   error =>{
14     return Promise.reject(error);
15   }
16 )
17 
18 //响应拦截器
19 axios.interceptors.response.use(
20   response =>{
21     return response;
22   },
23   error =>{
24     return Promise.reject(error);
25   }
26 )
27 
28 export default axios

 1 import Mock from ‘mockjs‘
 2 
 3 Mock.setup({
 4   timeout: ‘200 - 400‘
 5 })
 6 
 7 function loginFun(param){
 8   console.log(param);
 9   return {
10     "value": 11
11   }
12 }
13 
14 Mock.mock(‘/login‘, ‘post‘, loginFun); //虚拟数据

 1     /**
 2      * 代理服务器
 3      */
 4     proxyTable:{
 5       ‘/api‘:{
 6         target: ‘https://api.wunaozai.com‘, //目标接口域名
 7         changeOrigin: true, //是否跨域
 8         pathRewrite:{
 9           ‘^/api‘: ‘/‘ //重写接口
10         }
11       }
12     },

 1 <template>
 2   <div class="hello">
 3     <h1>{{ msg }}</h1>
 4     <h1>{{ mockMsg }}</h1>
 5     <h1>{{ proxyMsg }}</h1>
 6   </div>
 7 </template>
 8 
 9 <script>
10 export default {
11   name: ‘HelloWorld‘,
12   data () {
13     return {
14       msg: ‘Welcome to Your Vue.js App‘,
15       mockMsg: ‘mockMsg‘,
16       proxyMsg: ‘proxyMsg‘
17     }
18   },
19   mounted() {
20     var that = this;
21     //通过mockjs获取数据
22     this.axios.post(‘/login‘).then((res)=>{
23       console.log(res.data)
24       that.mockMsg = res.data.value;
25     }).catch((err)=>{
26       console.log(err)
27     })
28     //通过proxyTable获取数据
29     this.axios.get(‘/api/yan.php?format=json‘).then((res)=>{
30       console.log(res.data)
31       that.proxyMsg = res.data.text;
32     }).catch((err)=>{
33       console.log(err)
34     })
35   },
36   methods:{
37 
38   }
39 }
40 </script>
41 
42 <!-- Add "scoped" attribute to limit CSS to this component only -->
43 <style scoped>
44 
45 </style>

npm run build