各語言連接mongodb

1. java

   MongoClient mongoClient;
   MongoCredential credential = MongoCredential.createCredential(“user”, “database”, “password”);
   mongoClient = new MongoClient(new ServerAddress(ip, port), Arrays.asList(credential));

2. python

   from pymongo import MongoClient
   client = MongoClient(“ip”,port)
   client.database.authenticate(“user”,”password”)
   db = client.database
   collection = db.collection

3. nodejs

   var mongoose = require(“mongoose”);
   mongoose.connect(“mongodb://username:password@localhost:27017/test”);