NodeJs簡明教程(9)

const net = require('net');

const server = net.createServer(function (client) { //      
    console.log(client.address().address, '    '); //                

    client.on('error', function (e) {
        console.log(client.address().address, ' error >> ', e.message); //      （        ）
    });

    client.on('data', function (data) { //        
        console.log(client.address().address, ' >> ', data.toString());
        client.write(data); //        
    });

    client.on('end', function () { //        
        console.log(client.address().address, '    ');
    });
});

server.on('error', function (e) { //      （     ，    ）
    console.log('       ', e);
});

server.listen(10000, function () {
    console.log('    ，  ', server.address().address);
});

Trying ::1...
Connected to localhost.
Escape character is '^]'.

helloworld

hello world

const net = require('net');

const client = net.connect(10000, 'localhost', function () { //      
    console.log('       ');

    client.write('     '); //         

    client.on('data', function (data) { //         
        console.log('     ', data.toString());
        client.end(); //     
    });

    client.on('end', function () { //       
        console.log('       ');
    });
});