Vue+axios封装请求实现前后端分离

module.exports = {
 configureWebpack: {
 resolve: {
  alias: {
  api: '@/api',
  assets: '@/assets',
  components: '@/components',
  layouts: '@/layouts',
  router: '@/router',
  store: '@/store',
  utils: '@/utils',
  views: '@/views'
  }
 }
 },
 devServer: {
 //端口
 port: 8081,
 //后端接口
 proxy: {
  '/api': {
  target: 'http://localhost:8099', // 目标代理接口地址
  changeOrigin: true, // 开启代理，在本地创建一个虚拟服务端
  // ws: true, // 是否启用websockets
  pathRewrite: {
   '^/api': ''
  }
  }
 }
 }
}

//配置axios
import axios from 'axios'

const instance = axios.create({
 baseURL: '/api',
 timeout: 6000
})


instance.defaults.headers.post['Content-Type'] = 'application/x-www-form-urlencoded'
//请求拦截器
instance.interceptors.request.use(
 function(config) {
 return config
 },
 function(error) {
 //对请求错误做些什么
 return Promise.reject(error)
 }
)
//响应拦截器
instance.interceptors.response.use(
 function(response) {
 return response.data
 },
 function(error) {
 //对响应错误做点什么
 return Promise.reject(error)
 }
)

export default function(method, url, data = '', config = '') {
 method = method.toLowerCase()
 if (method === 'post') {
 if (config !== '') {
  return instance.post(url, data, config)
 } else {
  return instance.post(url, data)
 }
 } else if (method === 'get') {
 return instance.get(url, {params: data})
 } else if (method === 'delete') {
 return instance.delete(url, {params: data})
 } else if (method === 'put') {
 return instance.put(url, data)
 } else {
 console.error('未知的method' + method)
 return false
 }
}

import req from '@/utils/request'

/**
 * 批量查询
 * @param params
 */
export const list = params => req("get", "/resource/list", params);