Express 4.x 的答案:
根据 Tien Do 在下面的回答中所说,Express 4.x 现在将 app.listen() 视为异步操作,因此 listener.address() 只会在 app.listen() 的回调函数内返回数据:
var app = require('express')();
var listener = app.listen(8888, function(){
console.log('Listening on port ' + listener.address().port);
});
Express 3的解答:
我认为你正在寻找这个(特定于express的):
console.log("Express server listening on port %d", app.address().port)
当你使用express
命令创建目录结构时,你可能会看到这个(底部的那一行):
alfred@alfred-laptop:~/node$ express test4
create : test4
create : test4/app.js
create : test4/public/images
create : test4/public/javascripts
create : test4/logs
create : test4/pids
create : test4/public/stylesheets
create : test4/public/stylesheets/style.less
create : test4/views/partials
create : test4/views/layout.jade
create : test4/views/index.jade
create : test4/test
create : test4/test/app.test.js
alfred@alfred-laptop:~/node$ cat test4/app.js
var express = require('express');
var app = module.exports = express.createServer();
app.configure(function(){
app.set('views', __dirname + '/views');
app.use(express.bodyDecoder());
app.use(express.methodOverride());
app.use(express.compiler({ src: __dirname + '/public', enable: ['less'] }));
app.use(app.router);
app.use(express.staticProvider(__dirname + '/public'));
});
app.configure('development', function(){
app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));
});
app.configure('production', function(){
app.use(express.errorHandler());
});
app.get('/', function(req, res){
res.render('index.jade', {
locals: {
title: 'Express'
}
});
});
if (!module.parent) {
app.listen(3000);
console.log("Express server listening on port %d", app.address().port)
}
req.headers.host
中查找。 - Andrew_1510