「Node.js」find(検索条件)でMongoDBのコレクションのデータを取得する方法
構文
dbo.collection(コレクション名).find(条件式).toArray(function(err, result){
some code
}
サンプルコード
var MongoClient = require('mongodb').MongoClient;
var url = "mongodb://localhost:27017/";
MongoClient.connect(url, { useNewUrlParser: true }, function(err, db) {
if (err) throw err;
var dbo = db.db("arkgamedb");
// 条件指定
var whereStr = {"name":'arkgame'};
dbo.collection("usertbl").find(whereStr).toArray(function(err, result) {
if (err) throw err;
console.log(result);
db.close();
});
});
var MongoClient = require('mongodb').MongoClient;
var url = "mongodb://localhost:27017/";
MongoClient.connect(url, { useNewUrlParser: true }, function(err, db) {
if (err) throw err;
var dbo = db.db("arkgamedb");
// 条件指定
var whereStr = {"name":'arkgame'};
dbo.collection("usertbl").find(whereStr).toArray(function(err, result) {
if (err) throw err;
console.log(result);
db.close();
});
});
var MongoClient = require('mongodb').MongoClient; var url = "mongodb://localhost:27017/"; MongoClient.connect(url, { useNewUrlParser: true }, function(err, db) { if (err) throw err; var dbo = db.db("arkgamedb"); // 条件指定 var whereStr = {"name":'arkgame'}; dbo.collection("usertbl").find(whereStr).toArray(function(err, result) { if (err) throw err; console.log(result); db.close(); }); });
実行結果
[ { _id: 5a794e36763eb821b24db854,
name: 'arkgame',
url: 'arkgame.com' } ]
[ { _id: 5a794e36763eb821b24db854,
name: 'arkgame',
url: 'arkgame.com' } ]
[ { _id: 5a794e36763eb821b24db854, name: 'arkgame', url: 'arkgame.com' } ]