let express = require('express');

let app = new express();

let cookieParser = require('cookie-parser');

app.use(cookieParser());

app.get('/',(req,res)=>{

    res.send('您浏览过的城市'+ req.cookies.citys);

});

// app.get('/lvyou/:city',(req,res)=>{

//     console.log(req.params);

//     res.send('123');

// });

app.get('/lvyou',(req,res)=>{

   let city =  req.query.city;

   let arr = req.cookies.citys;

   if(arr){

    arr.push(city);

   }else{

       arr = [];

       arr.push(city);

   }

    res.cookie('citys',arr,{maxAge:1000*60*10});

    res.send(arr);

});

app.listen(3000,()=>{

    console.log('go');

})