设置了Cache-Controll: 'max-age=10000'，但是不起作用。Disable cache的复选框我已经取消了。

来源：3-4 缓存头Cache-Control的含义和使用

guaguaerhao

2019-10-11

// server.js
const http = require('http')
const fs = require('fs')
const path = require('path')

http.createServer((req, res)=>{
    console.log('request come', req.url)

    if (req.url === '/') {
        const html = fs.readFileSync(path.resolve(__dirname, 'test.html'),'utf8')
        res.writeHead(200,{
            "Content-Type": "text/html"
        })
    
        res.end(html)
    }

    if (req.url === '/script.js') {
        res.writeHead(200,{
            'Content-Type': 'text/javascript',
            'Cache-Control': 'max-age=1001232'
        })
        res.end('console.log("script loaded")')
    }
}).listen(8888)

console.log('server listening 8888')

// server2.js
const http = require('http')

http.createServer((req, res)=>{
    res.writeHead(200,{
        "Access-Control-Allow-Origin": "*",
        'Access-Control-Allow-Headers': 'X-Test-Cors',
        "Access-Control-Allow-Methods": "PUT,GET,POST",
        "Access-Control-Max-Age": '10000'
    })
    res.end('123')
}).listen(8887)

console.log('server listening 8887')

<!--test.html-->
<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <meta http-equiv="X-UA-Compatible" content="ie=edge">
    <title>Document</title>
</head>
<body>
    <!-- <script>
        var xhr = new XMLHttpRequest()
        xhr.open('GET', 'http://127.0.0.1:8887/')
        xhr.send()
    </script> -->
    <!-- jsonp -->
    <!-- <script src="http://127.0.0.1:8887?callback=jsonp"></script> -->
    <script>
        fetch('http://127.0.0.1:8887',{
            method: 'PUT',
            header:{
                "X-Test-Cors": "123"
            }
        })
    </script>
</body>
</html>