cesium_three_nodejs/app.js

var express = require('express');
var path = require('path');
var cookieParser = require('cookie-parser');
var logger = require('morgan');

const cors = require("cors");
const Joic = require("joi");
// const bodyParser = require('body-parser');

var app = express();

//解决跨域问题
app.use(cors());
app.use(logger('dev'));
app.use(express.json());
// app.use(bodyParser.json());// 用于解析 application/json 类型的请求体÷
//配置解析表单数据的中间件，只能解析application/x-www-form-urlencoded格式的表单数据
app.use(express.urlencoded({ extended: true }));
app.use(cookieParser());
app.use(express.static(path.join(__dirname, 'public')));

//在路由之前封装返回报错函数
app.use((req, res, next) => {
    res.rescc = function (message, status = 500, data) { 
        res.send({
            status,
            message: message instanceof Error ? message.message : message,
            data
        })
    } 
    next();
})

//在路由之前解析token中间件
// const expressJWT = require("express-jwt");
// const config = require('./config.js');

// app.use(expressJWT({
//     secret: config.jwtSecretKey
// }).unless({
//     path: [/^\/api/]
// }))

//导入使用router模块
//用户注册登录
// const userRounter = require('./routes/user/user.js');
// app.use('/api/user', userRounter);
//用户信息
// const userinfoRounter = require('./routes/user/userInfo.js');
// app.use('/my', userinfoRounter);
//天气
const weatherInchinaRounter = require('./routes/weather/inchina.js');
app.use('/weather/inchina', weatherInchinaRounter);

const tempapiRounter = require('./routes/weather/temperature.js');
app.use('/weather/tempapi', tempapiRounter);
//疫苗接种
// const vaccinesRounter = require('./routes/vaccines/vaccine.js');
// app.use('/my/vaccines', vaccinesRounter);
//接入deepseek
// const openaiRounter = require('./routes/openai/openai.js');
// app.use('/api/deepseek', openaiRounter);
// const openaiListRounter = require('./routes/openai/openaiList.js');
// app.use('/my/aitalk', openaiListRounter);


//定义错误级别的中间件
app.use((err, req, res, next) => { 
    //验证失败导致的错误
    if (err instanceof Joic.ValidationError) return res.rescc(err);
    //token验证失败的错误
    if (err.name === 'UnauthorizedError') return res.rescc("身份验证失败！");

    res.rescc(err);
})

module.exports = app;