Windows上通过NodeJS访问MongoDB

最新推荐文章于 2025-06-23 09:09:18 发布

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#windows #function #mongodb #server #测试

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本文介绍如何使用Node.js操作MongoDB，包括安装MongoDB组件、创建和删除集合、插入数据、创建索引等基本操作，并展示了完整的示例代码。

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参考资料：https://github.com/christkv/node-mongodb-native

安装mongodb组件：

npm install mongodb

测试代码：

var MongoDB = mongo = require('D:\\nodejs\\node_modules\\mongodb');
var Db = MongoDB.Db, Connection = MongoDB.Connection, Server = MongoDB.Server;

var db = new Db('test', new Server("127.0.0.1", 27017, {}), {native_parser:false});
db.open(function(err, db) {
	console.log(">> Dropping collection test");
	db.dropCollection('test', function(err, result) {
		console.log("dropped: ");
		console.dir(result);
	});
  
	console.log(">> Creating collection test");
	db.collection('test', function(err, collection) {
		console.log("created: ");
		console.dir(collection);
		var objectCount = 100;
		var objects = [];
		var messages = ["hola", "hello", "aloha", "ciao"];
		console.log(">> Generate test data");
		for(var i = 0; i < objectCount; i++) {
			objects.push({'number':i, 'rndm':((5*Math.random()) + 1), 'msg':messages[parseInt(4*Math.random())]})
		}
		console.log("generated");

		console.log(">> Inserting data (" + objects.length + ")");
		collection.insert(objects);
		console.log("inserted");
    
		console.log(">> Creating index")
		collection.createIndex([['all'], ['_id', 1], ['number', 1], ['rndm', 1], ['msg', 1]], function(err, indexName) {
			console.log("created index: " + indexName);      
		  
			console.log(">> Gathering index information");
				
			collection.indexInformation(function(err, doc) {
				console.log("indexInformation: ");
				console.dir(doc);
			
				console.log(">> Dropping index");
				collection.dropIndex('all_1__id_1_number_1_rndm_1_msg_1', function(err, result) {
					console.log("dropped: ");
					console.dir(result);

					console.log(">> Gathering index information");
					collection.indexInformation(function(err, doc) {
						console.log("indexInformation: ");
						console.dir(doc);
						console.log(">> Closing connection");
						db.close();
					});      
				});
			});      
		});
	});
});

其他有关基于NodeJS的第三方实现：

http://www.mongodb.org/display/DOCS/node.JS