标签:red localhost pow ref lang frontend type ali headers
const express = require(‘express‘);
const app = express();
app.get(‘/‘, (req, res) => {
res.setHeader(‘Author‘, ‘frontEndHUANG‘);
res.setHeader(‘Content-Language‘, ‘es‘);
res.json(req.headers);
});
app.listen(8888);
分别设置了两个HTTP headers,author和content-language
打开浏览器url输入localhost:8888,在dev工具中查看HTTP header信息Author frontEndHUANG Connection keep-alive Content-Language es Content-Length 527 Content-Type application/json; charset=utf-8 Date Sat, 20 Jul 2019 13:45:53 GMT ETag W/"20f-gL+/AohJvFY21FPFlqZivJ9J/Mo" X-Powered-By Express
如图所示,在浏览器中,res的HTTP header中的变量和我们设置的一样
const express = require(‘express‘); const app = express(); app.get(‘/‘, (req, res) => { res.setHeader(‘Author‘, ‘frontEndHUANG‘); res.setHeader(‘Content-Language‘, ‘es‘); res.cookie(‘frontEnd‘, 666); res.json(req.headers); }); app.listen(8888);
利用express给的一个函数cookie(),将frontEnd置为666,这样一个变量就设置好了,然后打开浏览器一看发现cookie里面多了一个frontEnd一项,果然和我们置的一样
cookie "Hm_lvt_e2af8415b6ffbaeb5…i=5653504; frontEnd=666"
标签:red localhost pow ref lang frontend type ali headers
原文地址:https://www.cnblogs.com/frontendregion/p/11219514.html