mywebsite/node_modules/mongoose/examples/express/connection-sharing/routes.js

var model = require('./modelA')

exports.home = function (req, res, next) {
  model.find(function (err, docs) {
    if (err) return next(err);
    res.send(docs);
  })
}

exports.modelName = function (req, res) {
  res.send('my model name is ' + model.modelName);
}

exports.insert = function (req, res, next) {
  model.create({ name: 'inserting ' + Date.now() }, function (err, doc) {
    if (err) return next(err);
    res.send(doc);
  })
}