Ruoyi-Vue处理跨域问题同时请求多个域名接口(前端处理方法)

# 第三方服务
VUE_APP_API_SERVICE='/service'

devServer: {
    host: "0.0.0.0",
    port: port,
    open: true,
    proxy: {
      [process.env.VUE_APP_BASE_API]: {
        target: `http://localhost:8080`,
        changeOrigin: true,
        pathRewrite: {
          ["^" + process.env.VUE_APP_BASE_API]: "",
        },
      },
      // ===========这里是新增的==============
      [process.env.VUE_APP_API_SERVICE]: {
        target: "http://47.100.25.xxx:8080",//<<你想要请求的域名及端口>>
        changeOrigin: true,
        pathRewrite: {
          [process.env.VUE_APP_API_SERVICE]: "",
        },
      },
      // ===========这里是新增的==============
    },
    disableHostCheck: true,
  },

import axios from "axios";

export function requestService(config) {
  // 创建axios实例
  const instance = axios.create({
    baseURL: process.env.VUE_APP_API_SERVICE,
    timeout: 5000,
  });

  // 请求响应拦截
  instance.interceptors.response.use((res) => {
    return res.data;
  });

  // 发送请求
  return instance(config);
}

import request from "@/utils/requestNew";

// 查询列表
export function getCarList() {
  return request({
    url: "/car/list",
    method: "get",
  });
}

<template>
  <div class="app-container">
    <el-button @click="getList">测试</el-button>
  </div>
</template>

<script>
import { getCarList } from "@/api/../..";

methods: {
    /** 调用第三方接口 */
    getList() {
      getCarList().then((res) => {
        console.log(res);
      });
    },
}
</script>