[NodeJs] NoSQL MongoDB 연동하기 (검색/추가/삭제/갱신)

설치하기

https://www.npmjs.com/package/mongojs

1. npm install mongodbjs

• 구현
• Connection

• var mongojs = require('mongojs');

  var db = mongojs('localhost/test', ['board']);

  db.on('error', function(err) {

  console.log(err);

  });

  
  

  db.on('connection', function() {

  console.log('connected');

  });

• 
  
• Find 

• • db.board.find(function(err, docs) {
  • console.log(arguments);
  • for (var i = 0; i <docs.length; i++) {
  • console.log(docs[i].id + ", " + docs[i].title +", " +
  • docs[i].content +", " + docs[i].writer);
  • }
  • });
  • db.collection.find(function(err,array){});
  • db.collection.find({cKey:cVal}).toArray(function(err,array){});    
  • db.collection.find({cKey:cVal},{sKey:true, sKey:false}).toArray(function(err,array){});
  • db.collection.findOne({cKey:cVal}, function(err,obj){});
  • db.collection.find().sort({name:1}, function(err, array){});

  
  

• 
  
• Save / Insert

• db.board.insert({_id:5, title:'new', content:'new content', writer:'ggiggi'});

• Delete    
• db.board.remove({_id:3});
• Update
• db.board.update({_id:2}, {$set:{writer:'hiru'}});