cesium_three_nodejs/router_handler/weather/inchina.js

// const db = require('../../db/index.js');

// const bcrypt = require("bcryptjs");

// const jwt = require("jsonwebtoken");

// const config = require('../../config.js')
const axios = require('axios');

//用户注册
exports.articList = async (req, res) => { 

    const cityname = req.query.cityname; // 从查询参数获取用户名
    

    try {
        const response = await axios.get(`https://weathernew.pae.baidu.com/weathernew/pc?query=${cityname}&srcid=4982&forecast=long_day_forecast`);
        // 获取外部接口返回的数据
        const datas = response.data;
        let index = datas.indexOf('<!DOC')
        let a = datas.substring(0, index)
        let reg = new RegExp('<script>', "")
        let b = a.replace(reg, "")
        let reg1 = b.lastIndexOf(";<")
        let c = b.substring(0, reg1)
        let index1 = c.indexOf(' {')
        let d = c.substring(index1, c.length)
        let e = d.substring(1, d.length)
        let f = e.substring(0, e.indexOf(';</'))
        console.log("jsonf===>>", JSON.parse(f))
        let g = JSON.parse(f)
        delete g.logo

        // 将数据返回给客户端
        res.rescc("获取天气数据成功", 200, g);

    } catch (error) {
        // 判断是否是 404 用户不存在等情况
        if (error.response?.status === 404) {
            return res.rescc("获取天气数据失败！");
        }
        // 其他错误
        res.rescc("服务器内部错误！");
    }
}