「Node.js」updateMany()関数でMongoDBのコレクションの複数データを更新する
構文
dbo.collection(“testcollect").updateMany(whereStr, updateStr, function(err, res
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");
// 条件検索
var whereStr = {"type":'enver'};
var updateStr = {$set: { "url" : "https://www.arkgame.com" }};
dbo.collection("testcollect").updateMany(whereStr, updateStr, function(err, res) {
if (err) throw err;
console.log(res.result.nModified + " collection are updated");
db.close();
});
});
var MongoClient = require('mongodb').MongoClient;
var url = "mongodb://localhost:27017/";
MongoClient.connect(url, { useNewUrlParser: true }, function(err, db) {
if (err) throw err;
var dbo = db.db("arkgamedb");
// 条件検索
var whereStr = {"type":'enver'};
var updateStr = {$set: { "url" : "https://www.arkgame.com" }};
dbo.collection("testcollect").updateMany(whereStr, updateStr, function(err, res) {
if (err) throw err;
console.log(res.result.nModified + " collection are updated");
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"); // 条件検索 var whereStr = {"type":'enver'}; var updateStr = {$set: { "url" : "https://www.arkgame.com" }}; dbo.collection("testcollect").updateMany(whereStr, updateStr, function(err, res) { if (err) throw err; console.log(res.result.nModified + " collection are updated"); db.close(); }); });