ehsd-mobile/src/utils/axios.js

import axios from 'axios'

import router from '../router'
import errorCode from '@/utils/errorCode'
import {
  tansParams,
  blobValidate
} from '@/utils/ruoyi'
import cache from '@/utils/cache'
import {
  showLoadingToast,
  closeToast,
  showNotify,
  showFailToast
} from 'vant';
import {
  getToken
} from '@/utils/auth'
import CryptoJS from 'crypto-js'

// 是否显示重新登录
export let isRelogin = {
  show: false
};
import 'vant/lib/index.css'
axios.defaults.headers['Content-Type'] = 'application/json;charset=utf-8'
// 创建axios实例
const service = axios.create({
  baseURL: process.env.VUE_APP_BASE_API,
  // 超时
  timeout: 20000
})

function generateRandomString(length) {
  var result = '';
  var characters = 'ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789';
  var charactersLength = characters.length;
  for (var i = 0; i < length; i++) {
    result += characters.charAt(Math.floor(Math.random() * charactersLength));
  }
  return result;
}

// request拦截器
service.interceptors.request.use(config => {
  // 是否需要设置 token
  const isToken = (config.headers || {}).isToken === false
  // 是否需要防止数据重复提交
  const isRepeatSubmit = (config.headers || {}).repeatSubmit === false
  if (getToken() || !isToken) {
    // 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
    // 待加密的数据
    let randomNumber = generateRandomString(20)
    //后面加20位随机数
    let data = getToken() + new Date().getTime() + randomNumber;

    // 密钥，注意：密钥长度必须为16, 24, 32字节对应AES-128, AES-192, AES-256
    let key = CryptoJS.enc.Utf8.parse('N[9f%2gKyo7(GNv3');
    // AES加密
    let encrypted = CryptoJS.AES.encrypt(data, key, {
      mode: CryptoJS.mode.ECB,
      padding: CryptoJS.pad.Pkcs7
    });
    config.headers['Authorization'] = encrypted // 让每个请求携带自定义token 请根据实际情况自行修改
    config.headers['randomNumber'] = randomNumber
  }
  if (config.url === 'https://winfaster.obs.cn-south-1.myhuaweicloud.com') {
    config.headers['Content-Type'] = 'multipart/form-data'
  }
  // get请求映射params参数
  if (config.method === 'get' && config.params) {
    let url = config.url + '?' + tansParams(config.params);
    url = url.slice(0, -1);
    config.params = {};
    config.url = url;
  }
  if (!isRepeatSubmit && (config.method === 'post' || config.method === 'put')) {
    const requestObj = {
      url: config.url,
      data: typeof config.data === 'object' ? JSON.stringify(config.data) : config.data,
      time: new Date().getTime()
    }
    const sessionObj = cache.session.getJSON('sessionObj')
    if (sessionObj === undefined || sessionObj === null || sessionObj === '') {
      cache.session.setJSON('sessionObj', requestObj)
    } else {
      const s_url = sessionObj.url; // 请求地址
      const s_data = sessionObj.data; // 请求数据
      const s_time = sessionObj.time; // 请求时间
      const interval = 1000; // 间隔时间(ms)，小于此时间视为重复提交
      if (s_data === requestObj.data && requestObj.time - s_time < interval && s_url === requestObj.url) {
        const message = '数据正在处理，请勿重复提交';
        console.warn(`[${s_url}]: ` + message)
        return Promise.reject(new Error(message))
      } else {
        cache.session.setJSON('sessionObj', requestObj)
      }
    }
  }
  return config
}, 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']
    // 二进制数据则直接返回
    if (res.request.responseType === 'blob' || res.request.responseType === 'arraybuffer') {
      return res.data
    }
    if (code === 401) {
      showFailToast('登录失效，请重新登录');
      console.log(router)
      localStorage.clear()
      router.push({
        path: '/?id=$CORPID$'
      })


      return Promise.reject('无效的会话，或者会话已过期，请重新登录。')
    } else if (code === 500) {

      setTimeout(() => {
        showFailToast(msg);
      }, 500);
      //ElMessage({ message: msg, type: 'error' })
      return Promise.reject(new Error(msg))
    } else if (code === 601) {
      //ElMessage({ message: msg, type: 'warning' })
      return Promise.reject(new Error(msg))
    } else if (code !== 200) {
      ElNotification.error({
        title: msg
      })
      return Promise.reject('error')
    } else {
      return Promise.resolve(res.data)
    }
  },
  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";
    }
    //ElMessage({ message: message, type: 'error', duration: 5 * 1000 })
    return Promise.reject(error)
  }
)

export function get(url, params = {}) {
  return new Promise((resolve, reject) => {
    if (!params.closeLoading) {
      showLoadingToast({
        message: '加载中...',
        forbidClick: true,
        duration: 0,
      });
    }
    service.get(url, {
        params: params
      })
      .then(response => {
        setTimeout(() => {
          closeToast()
        }, 800)
        resolve(response);
      }, err => {
        reject(err)
      })
  })
}

/**
 * 封装post请求
 * @param url
 * @param data
 * @returns {Promise}
 */

export function post(url, data = {}, method = 'post', headers = {}) {
  return new Promise((resolve, reject) => {
    if (!data.closeLoading) {
      showLoadingToast({
        message: '加载中...',
        forbidClick: true,
        duration: 0,
      });
    }

    service({
      method: method,
      url: url,
      data: data,
      headers: {
        ...headers
      }
    }).then(res => {
      setTimeout(() => {
        closeToast()
      }, 800)
      resolve(res);
    }).catch(err => {
      reject(err)
      setTimeout(() => {
        closeToast()
      }, 800)
    })
  })
}

export default service