ConstructionCost/protect/db/cfgdb.js

/**
 * Created by Tony on 2017/3/1.
 */
var mg = require('mongoose');
//mg.connect('mongodb://localhost/Demo');
exports.mongoose = {
    getConnection : function(server, port, dbName) {
        if (port) {
            return mg.createConnection(server + ":" + port,dbName);
        } else {
            return mg.createConnection(server,dbName);
        }
    }
};