ezhizao_yzbh_vue/src/utils/request.js

import axios from "axios";
import {
  ElNotification,
  ElMessageBox,
  ElMessage,
  ElLoading,
} from "element-plus";
import { getToken, getTenant } from "@/utils/auth";
import errorCode from "@/utils/errorCode";
import { tansParams, blobValidate } from "@/utils/ruoyi";
import cache from "@/plugins/cache";
import { saveAs } from "file-saver";
import useUserStore from "@/store/modules/user";

let sendingRequestList = [];

let downloadLoadingInstance;
// 是否显示重新登录
export let isRelogin = { show: false };

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: import.meta.env.VITE_APP_BASE_API,
  // 超时
  timeout: 100000,
});

function startRepeatSubmitRequest(config) {
  const requestObj = {
    url: config.url,
    data:
      typeof config.data === "object"
        ? JSON.stringify(config.data)
        : config.data,
    time: new Date().getTime(),
  };

  for (var index = 0; index < sendingRequestList.length; index++) {
    const request = sendingRequestList[index];
    const s_url = request.url; // 请求地址
    const s_data = request.data; // 请求数据
    const s_time = request.time; // 请求时间
    const timeout = config.timeout; // 间隔时间(ms)，小于此时间视为重复提交
    if (s_data === requestObj.data && s_url === requestObj.url) {
      if (requestObj.time - s_time < timeout) {
        return false;
      } else {
        sendingRequestList.splice(index, 1);
        break;
      }
    }
  }
  sendingRequestList.push(requestObj);
  return true;
}

function stopRepeatSubmitRequest(config) {
  const isRepeatSubmit = (config.headers || {}).repeatSubmit === false;
  if (
    !isRepeatSubmit &&
    (config.method === "post" || config.method === "put")
  ) {
    const requestObj = {
      url: config.url,
      data:
        typeof config.data === "object"
          ? JSON.stringify(config.data)
          : config.data,
    };
    for (var index = 0; index < sendingRequestList.length; index++) {
      const request = sendingRequestList[index];
      const s_url = request.url; // 请求地址
      const s_data = request.data; // 请求数据
      if (s_data === requestObj.data && s_url === requestObj.url) {
        sendingRequestList.splice(index, 1);
        break;
      }
    }
  }
}

// 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
    }
    config.headers["appKey"] = "ezhizao-identity";
    config.headers["tenantId"] = getTenant();
    // 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(`[${s_url}]: ` + message);
          return Promise.reject(new Error(message));
        } else {
          cache.session.setJSON("sessionObj", requestObj);
        }
      }
      console.log("config", config, config.data, typeof config.data)
      if (!startRepeatSubmitRequest(config)) {
        const message = "数据正在处理，请勿重复提交";
        console.warn(`[${config.url}]: ` + message);
        return Promise.reject(new Error(message));
      }
    }
    return config;
  },
  (error) => {
    console.log(error);
    Promise.reject(error);
  }
);

// 响应拦截器
service.interceptors.response.use(
  (res) => {
    console.log("res config", res.config, res.config.data, typeof res.config.data)

    // 是否需要防止数据重复提交
    stopRepeatSubmitRequest(res.config);

    // 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 (!isRelogin.show) {
        isRelogin.show = true;
        ElMessageBox.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(() => {
            isRelogin.show = false;
            useUserStore()
              .logOut()
              .then(() => {
                location.href = "/index";
              });
          })
          .catch(() => {
            isRelogin.show = false;
          });
      }
      return Promise.reject("无效的会话，或者会话已过期，请重新登录。");
    } else if (code === 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) => {
    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";
    }
    ElMessage({ message: message, type: "error", duration: 5 * 1000 });
    return Promise.reject(error);
  }
);

// 通用下载方法
export function download(url, params, filename, config) {
  downloadLoadingInstance = ElLoading.service({
    text: "正在下载数据，请稍候",
    background: "rgba(0, 0, 0, 0.7)",
  });
  return service
    .post(url, params, {
      transformRequest: [
        (params) => {
          return tansParams(params);
        },
      ],
      headers: { "Content-Type": "application/x-www-form-urlencoded" },
      responseType: "blob",
      timeout: 1000000,
      ...config,
    })
    .then(async (data) => {
      const isLogin = await blobValidate(data);
      if (isLogin) {
        const blob = new Blob([data]);
        saveAs(blob, filename);
      } else {
        const resText = await data.text();
        const rspObj = JSON.parse(resText);
        const errMsg =
          errorCode[rspObj.code] || rspObj.msg || errorCode["default"];
        ElMessage.error(errMsg);
      }
      downloadLoadingInstance.close();
    })
    .catch((r) => {
      console.error(r);
      ElMessage.error("下载文件出现错误，请联系管理员！");
      downloadLoadingInstance.close();
    });
}

// 通用pdf打印方法
export function downloadPdf(url, params, filename, config) {
  downloadLoadingInstance = ElLoading.service({
    text: "正在下载数据，请稍候",
    background: "rgba(0, 0, 0, 0.7)",
  });
  return service
    .post(url, params, {
      transformRequest: [
        (params) => {
          return tansParams(params);
        },
      ],
      headers: { "Content-Type": "application/x-www-form-urlencoded" },
      responseType: "blob",
      ...config,
    })
    .then(async (data) => {
      const isLogin = await blobValidate(data);
      if (isLogin) {
        const blob = new Blob([data], { type: "application/pdf" });
        var url = URL.createObjectURL(blob);
        window.open(url, "filename");
      } else {
        const resText = await data.text();
        const rspObj = JSON.parse(resText);
        const errMsg =
          errorCode[rspObj.code] || rspObj.msg || errorCode["default"];
        ElMessage.error(errMsg);
      }
      downloadLoadingInstance.close();
    })
    .catch((r) => {
      console.error(r);
      ElMessage.error("下载文件出现错误，请联系管理员！");
      downloadLoadingInstance.close();
    });
}

export default service;