node响应ajax请求:解决COR问题

node服务器代码:

const http = require('http');
const url = require('url');
const hostname = '127.0.0.1';
const port = 3000;
const server = http.createServer((req, res)=>{
    if ( req.url !== '/favicon.ico'){
        pathname = url.parse(req.url).pathname.replace(///,'');
        res.writeHead(200,{
            "Content-Type":"text/plain;charset=utf-8",
            "Access-Control-Allow-Origin":"*"
        });
        res.write("你好啊!");
    }
    res.end();
});
server.listen(port, hostname, (req, res)=>{
    console.log(`server running at http://${hostname}:${port}`);
});

html代码:

<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <title>Title</title>
</head>
<body>
</body>
<script src="node_modules/jquery/dist/jquery.min.js"></script>
<script type="text/javascript">
    $.ajax({
        method: 'GET',
        url: 'http://127.0.0.1:3000',
        data: {
            mobile: '18620343136',
            qq: '1056834607'
        },
        success: (data)=>{
            console.log(data);
        }
    })
</script>
</html>
原文地址:https://www.cnblogs.com/noper/p/6484204.html