ssh2返回input，而不是命令输出
我正在尝试创build一个连接到远程主机的Webterminal，并允许运行正常的terminal命令。 我有它能够连接到远程服务器和我的理解stream.write（数据）应该是什么触发命令在远程服务器上运行并返回输出，但是我得到的input返回到前端，而不是。
term.html
<!doctype html> <html> <head> <script src="http://code.jquery.com/jquery-latest.min.js"></script> <script src="/socket.io/socket.io.js" type="text/javascript" charset="utf-8"></script> <script type="text/javascript" charset="utf-8"> var socket = io.connect('http://localhost:8080', {query: 'host=IP_Address&port=22&username=user&password=password'}); // Display the resonse from the server function add_content(str){ console.log(str); $('div').append('<p>' + $('<div/>').text(str).html() + '</p>'); $(window).scrollTop($('body').height() - $(window).height() + 80); } // Backend -> Browser socket.on('server_data', function(data) { add_content(data); }); // Disconnect message socket.on('disconnect', function() { add_content('\r\n*** Disconnected from backend***\r\n'); }); // Browser -> Backend $(function(){ $('form').submit(function(e){ e.preventDefault(); var input = $('input'); socket.emit('client_data', input.val()); input.val(''); return false; }); $('input').focus(); }); </script> <style type="text/css"> body, p, input { font-family: fixed; font-size: 13px; border: none; } p { white-space: pre; } p, form, input { margin:0; padding:0; } input:focus { outline: none; border: none; } </style> </head> <body> <div></div> <form> > <input> </form> </body> </html> server.js
var app = require('http').createServer(handler) var io = require('socket.io')(app); var fs = require('fs'); var SSHClient = require('ssh2').Client; var listener = app.listen(8080); var current_directory = null; function handler (req, res) { fs.readFile(__dirname + '/term.html', function (err, data) { if (err) { res.writeHead(500); return res.end('Error loading term.html'); } res.writeHead(200); res.end(data); }); } io.on('connection', function(socket) { var conn = new SSHClient(); conn.on('ready', function() { socket.emit('server_data', '\r\n*** SSH CONNECTION ESTABLISHED ***\r\n'); conn.shell(function(err, stream) { if (err) return socket.emit('server_data', '\r\n*** SSH SHELL ERROR: ' + err.message + ' ***\r\n'); socket.on('client_data', function(data) { stream.write(data); }); stream.on('data', function(data) { socket.emit('server_data', data.toString('binary')); //console.log('STDOUT: ' + data); }).stderr.on('data', function(data){ //console.log('STDERR: ' + data); socket.emit('server_data', data.toString('binary')); }).on('close', function() { conn.end(); }); }); }).on('close', function() { socket.emit('server_data', '\r\n*** SSH CONNECTION CLOSED ***\r\n'); }).on('error', function(err) { socket.emit('server_data', '\r\n*** SSH CONNECTION ERROR: ' + err.message + ' ***\r\n'); }).connect({ host: socket.handshake.query.host, port: socket.handshake.query.port, username: socket.handshake.query.username, password: socket.handshake.query.password }); });