封装请求axios

import axios from "axios";
import { Notification, MessageBox, Message, Loading } from "element-ui";
import store from "@/store";
import { getToken } from "@/utils/auth";
import errorCode from "@/utils/errorCode";
import { tansParams, blobValidate } from "@/utils/ruoyi";
import { exportExcel, handleExcelData } from "@/utils";
import { saveAs } from "file-saver";
import { requestTime } from "@/api/system/user";
let downloadLoadingInstance;
let timeParams = {};
axios.defaults.headers["Conntent-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,
});
// 登录失效
let loginFailure = 0;
// request拦截器
service.interceptors.request.use(
  (config) => {
    // 是否需要设置 token
    const isToken = (config.headers || {}).isToken === 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
    }
    // 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;
    }
    return config;
  },
  (error) => {
    console.log(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) {
      if (loginFailure === 0) {
        loginFailure++;
        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(() => {});
      }
      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,
        type: "error",
      });
      return Promise.reject(new Error(msg));
    } else if (code !== 200) {
      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";
      // timeParams = {
      //   requestUrl: config.url,
      //   useTime: 10000,
      //   sourceType: "WEB",
      //   requestBody: config.data || config.params,
      // };
      // timeParams.requestBody = JSON.stringify(timeParams.requestBody)
      // requestTime(timeParams).then(() => {});
    } 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,
    });
    return Promise.reject(error);
  }
);

// 通用下载方法
export function download(url, params, filename, json) {
  downloadLoadingInstance = Loading.service({
    text: "正在下载数据，请稍候",
    spinner: "el-icon-loading",
    background: "rgba(0, 0, 0, 0.7)",
  });
  return service
    .post(
      url,
      params,
      json == "Y"
        ? { timeout: 1 * 1000 * 60 * 60 * 10, responseType: "blob" }
        : {
            transformRequest: [
              (params) => {
                return tansParams(params);
              },
            ],
            headers: {
              "Content-Type": "application/x-www-form-urlencoded",
            },
            responseType: "blob",
            timeout: 1 * 1000 * 60 * 60 * 10, //10分钟
          }
    )
    .then(async (data) => {
      const isLogin = await blobValidate(data);
      if (isLogin) {
        const blob = new Blob([data]);
        saveAs(
          blob,
          filename + this.parseTime(new Date(), "{y}-{m}-{d}") + ".xlsx"
        );
      } else {
        Message.error("无效的会话，或者会话已过期，请重新登录。");
      }
      downloadLoadingInstance.close();
    })
    .catch((r) => {
      console.error(r);
      Message.error("下载文件出现错误，请联系管理员！");
      downloadLoadingInstance.close();
    });
}

// 前端通用下载方法-导出列表
export function webDownload(url, params, head, filename) {
  const downloadLoadingInstance = Loading.service({
    text: "正在下载数据，请稍候",
    spinner: "el-icon-loading",
    background: "rgba(0, 0, 0, 0.7)",
  });
  return service
    .post(url, params, {
      timeout: 1000 * 60 * 60 * 60, // 60分钟
    })
    .then(async (data) => {
      const flag = data.code === 200;
      if (flag) {
        var jsonData = data.data;
        handleExcelData(head, jsonData, filename).then((str) => {
          // exportExcel(filename, str).then((res) => {
          //   this.$message.success(`导出${filename}成功`);
          // });
        });
      } else {
        Message.error("无效的会话，或者会话已过期，请重新登录。");
      }
      downloadLoadingInstance.close();
    })
    .catch((r) => {
      console.error(r);
      Message.error("下载文件出现错误，请联系管理员！");
      downloadLoadingInstance.close();
    });
}
export default service;