node.js

var http = require('http');
var url = require('url');
var util = require('util');

var Auth = require('bce-sdk-js').Auth;

var kCredentials = {
    ak: '您的AK',
    sk: '您的SK'
};

http.createServer(function (req, res) {
    var query = url.parse(req.url, true).query;
    var statusCode = 200;
    var signature = null;
    if (!query.httpMethod || !query.path || !query.params || !query.headers) {
        statusCode = 403;
    }
    else {
        var httpMethod = query.httpMethod;
        var path = query.path;
        var params = safeParse(query.params) || {};
        var headers = safeParse(query.headers) || {};

        // 添加您自己的额外逻辑

        var auth = new Auth(kCredentials.ak, kCredentials.sk);
        signature = auth.generateAuthorization(httpMethod, path, params, headers);
    }

    var payload = {
        statusCode: statusCode,
        signature: signature,
        xbceDate: new Date().toISOString().replace(/\.\d+Z$/, 'Z')
    };
    res.writeHead(statusCode, {'Content-Type': 'text/javascript; charset=utf-8'});
    if (query.callback) {
        res.end(util.format('%s(%s)', query.callback, JSON.stringify(payload)));
    }
    else {
        res.end(JSON.stringify(payload));
    }
}).listen(1337);
console.log('Server running at http://0.0.0.0:1337/');