h5/src/utils/request.js

import axios from 'axios'
import {
  Notify,
  Toast,
  Dialog,
} from "vant";
import store from '@/store'
import {
  getToken
} from '@/utils/auth'
import errorCode from '@/utils/errorCode'

axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
  // axios中请求配置有baseURL选项，表示请求URL公共部分
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 60000
})
// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  const whiteList=['/h5/home/selectTypeList','/h5/home/selectPreferredList','/h5/home/selectSalesTop10','/h5/system/getBusCompanyList','/h5/system/login','/h5/system/lineLogin','/h5/system/register'];//不需携带token的请求路径
  if (getToken() && !isToken) {
    if(whiteList.indexOf(config.url) === -1){
      config.headers['Authorization'] = 'Bearer ' + getToken() // 让每个请求携带自定义token 请根据实际情况自行修改
    }
  }
  // get请求映射params参数
  if (config.method === 'get' && config.params) {
    let url = config.url + '?';
    for (const propName of Object.keys(config.params)) {
      const value = config.params[propName];
      var part = encodeURIComponent(propName) + "=";
      if (value !== null && typeof (value) !== "undefined") {
        if (typeof value === 'object') {
          for (const key of Object.keys(value)) {
            if (value[key] !== null && typeof (value[key]) !== 'undefined') {
              let params = propName + '[' + key + ']';
              let subPart = encodeURIComponent(params) + '=';
              url += subPart + encodeURIComponent(value[key]) + '&';
            }
          }
        } else {
          url += part + encodeURIComponent(value) + "&";
        }
      }
    }
    url = url.slice(0, -1);
    config.params = {};
    config.url = url;
  }
  return config
}, error => {
  console.log('error：', error)
  Promise.reject(error)
})

// 响应拦截器
service.interceptors.response.use(res => {
    // 未设置状态码则默认成功状态
    const code = res.data.code || 200;
    // 获取错误信息
    const msg = errorCode[code] || res.data.msg || errorCode['default']
    if (code === 401) {
      console.log(res,'codecodecode---')
      // MessageBox.confirm('登录状态已过期，您可以继续留在该页面，或者重新登录', '系统提示', {
      //   confirmButtonText: '重新登录',
      //   cancelButtonText: '取消',
      //   type: 'warning'
      // }).then(() => {
      //   store.dispatch('LogOut').then(() => {
      //     location.href = '/index';
      //   })
      // }).catch(() => {});
      //Dialog
      //  .confirm({
      //    title: "系统提示",
      //    message: "登录状态已过期，您可以继续留在该页面，或者重新登录",
      //    confirmButtonText: '重新登录',
      //    cancelButtonText: '取消',
      //  })
      //  .then(() => {
      //    location.href = '/login';
           store.dispatch('LogOut').then(() => {
             location.href = '/index';
           })
      //  })
      //  .catch(() => {

      //  });
      return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
    } else if (code === 500) {
      // Message({
      //   message: msg,
      //   dangerouslyUseHTMLString: true,
      //   type: 'error'
      // })
      Toast({
        type: "fail",
        message: msg
      });
      return Promise.reject(new Error(msg))
    } else if (code !== 200) {
      Notify({
        type: "danger",
        message: msg
      });
      // Notification.error({
      //   title: msg
      // })
      return Promise.reject('error')
    } else {
      return res.data
    }
  },
  error => {
    console.log('err' + error)
    let {
      message
    } = error;
    if (message == "Network Error") {
      message = "后端接口连接异常";
    } else if (message.includes("timeout")) {
      message = "系统接口请求超时";
    } else if (message.includes("Request failed with status code")) {
      message = "系统接口" + message.substr(message.length - 3) + "异常";
    }
    // Message({
    //   message: message,
    //   type: 'error',
    //   duration: 5 * 1000
    // })
    Toast({
      type: "fail",
      message: message,
      duration: 5 * 1000
    });
    return Promise.reject(error)
  }
)

export default service;