Node.js MongoDB创建集合

var MongoClient = require('mongodb').MongoClient;
var url = "mongodb://localhost:27017/ MongoDatabase";
MongoClient.connect(url, function(err, db) {
if (err) throw err;
db.createCollection("employees", function(err, res) {
if (err) throw err;
console.log("Collection is created!");
db.close();
});
});

Node employees.js