const express = require('express');
const request = require('request')
const app = express()

var BaseUrl = {
  url: 'http://v.juhe.cn/weather/index',
  appkey: '62a1ba7a26c06fa3720a8e91c103d5b5'
}

app.all("*",function(req,res,next){
  res.header('Access-Control-Allow-Origin', '*');
  next();
})

app.get('/getWeather', function(req, res) {
  var cityName = req.query.cityname;
  var url = `${BaseUrl.url}?key=${BaseUrl.appkey}&cityname=${encodeURI(cityName)}`;
  request(url,function(error, response, body) {
    res.json(JSON.parse(body))
  })
})

app.listen(3000, function() {
  console.log('Example app listening on port 3000!')
})