源码:智能社视频20节课件
const express=require('express'); const static=require('express-static'); const cookieParser=require('cookie-parser'); const cookieSession=require('cookie-session'); const bodyParser=require('body-parser'); const multer=require('multer'); const consolidate=require('consolidate'); const mysql=require('mysql'); //连接池 const db=mysql.createPool({host: 'localhost', user: 'root', password: 'AiTing521', database: 'blog'}); var server=express(); server.listen(8080); //1.解析cookie server.use(cookieParser('sdfasl43kjoifguokn4lkhoifo4k3')); //2.使用session var arr=[]; for(var i=0;i<100000;i++){ arr.push('keys_'+Math.random()); } server.use(cookieSession({name: 'zns_sess_id', keys: arr, maxAge: 20*3600*1000})); //3.post数据 server.use(bodyParser.urlencoded({extended: false})); server.use(multer({dest: './www/upload'}).any()); //4.配置模板引擎 //输出什么东西 server.set('view engine', 'html'); //模板文件放在哪儿 server.set('views', './template'); //哪种模板引擎 server.engine('html', consolidate.ejs); //接收用户请求 server.get('/', (req, res)=>{ //查询banner的东西 db.query("SELECT * FROM banner_table", (err, data)=>{ if(err){ console.log(err); res.status(500).send('database error').end(); }else{ console.log(data); res.render('index.ejs', {banners: data}); } }); }); //4.static数据 server.use(static('./www'));