app.use((req, res, next) => {
let time = moment(new Date()).format('YYYY-MM-DD HH:mm:ss');
const log = `
---------------------------------
1)请求方式：${req.method},\n
2)请求路径：${req.url},\n
3)请求时间：${time},\n
---------------------------------
`;
// 写入文件
fs.appendFile(path.join(__dirname,'req.log'),log,(err)=>{
if(err) throw err;
next();
});
})
使用
// 1. 引入
const express = require('express')
const fs = require('fs')
const moment = require('moment')
const path = require('path')
// 2. 创建web服务器
const app = express();
// 4. 写日志
app.use((req, res, next) => {
let time = moment(new Date()).format('YYYY-MM-DD HH:mm:ss');
const log = `
---------------------------------
1)请求方式：${req.method},\n
2)请求路径：${req.url},\n
3)请求时间：${time},\n
---------------------------------
`;
// 写入文件
fs.appendFile(path.join(__dirname,'req.log'),log,(err)=>{
if(err) throw err;
next();
});
})
app.get('/',(req, res) => {
res.writeHead(200,{"Content-Type":"text/html;charset=utf-8"});
res.write("<h1>Hello</h1>");
res.end();
})
// 3. 开启监听
app.listen(3000,'127.0.0.1',() => {
console.log('服务器已启动！');
})
