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app.js
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app.js
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const express = require('express');
const path = require('path');
const router = require('./controller');
const errorHandler = require('./middleware/error-handler');
const session = require('express-session');
const app = express();
//解析post请求体
app.use(express.urlencoded({extended: false}));
app.use(express.json());
//设置session
app.use(session({
secret: '8b4f7565-ef89-6c8b-56d4-4289456793df',
resave: false,
saveUninitialized: true
}))
//挂载静态资源
app.use('/public', express.static(path.join(__dirname, './public')));
//设置模板引擎
app.engine('html', require('express-art-template'));
//设置模板引擎渲染的路径
app.set('views', path.join(__dirname, './views'));
//可以省略的模板文件后缀名
app.set('view engine', 'html');
//挂载路由
app.use(router());
//当都没有路由时
app.use((req, res, next) => {
res.render('404');
})
//处理错误中间件
app.use(errorHandler());
app.listen(8080, () => {
console.log('8080端口监听中...');
})