我正在嘗試在node.js中構(gòu)建Web服務(wù)器，以支持跨域腳本編寫，同時(shí)仍從公共目錄中提供靜態(tài)文件。我正在使用express.js，但我不確定如何允許跨域腳本（Access-Control-Allow-Origin: *）。我看到了這篇文章，但對(duì)我沒有幫助。var express = require('express')  , app = express.createServer();app.get('/', function (req, res, next) {    res.header("Access-Control-Allow-Origin", "*");    res.header("Access-Control-Allow-Headers", "X-Requested-With");    next();});app.configure(function () {    app.use(express.methodOverride());    app.use(express.bodyParser());    app.use(app.router);});app.configure('development', function () {    app.use(express.static(__dirname + '/public'));    app.use(express.errorHandler({ dumpExceptions: true, showStack: true }));});app.configure('production', function () {    var oneYear = 31557600000;    //    app.use(express.static(__dirname + '/public', { maxAge: oneYear }));    app.use(express.static(__dirname + '/public'));    app.use(express.errorHandler());});app.listen(8888);console.log('express running at http://localhost:%d', 8888);