mongodb连接类
2022/6/3 2:20:21
本文主要是介绍mongodb连接类,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!
import com.mongodb.client.MongoClient; import com.mongodb.client.MongoClients; import com.mongodb.client.MongoDatabase; public class MyMongodbConnTest { public static void main(String[] args) { // 连接到 mongodb 服务 // MongoClient mongoClient = new MongoClient("localhost",27017); // MongoClient mongoClient = MongoClients.create(); //根据连接字符串来连接 // MongoClient mongoClient = MongoClients.create("mongodb://127.0.0.1:27017/mycol"); //不带数据库的情况 // MongoClient mongoClient = MongoClients.create("mongodb://127.0.0.1:27017/"); MongoClient mongoClient = MongoClients.create("mongodb://远程IP:27017/"); // 连接到数据库 MongoDatabase mongoDatabase = mongoClient.getDatabase("mycol"); System.out.println("Connect to database successfully"); mongoDatabase.createCollection("testPro"); System.out.println("集合创建成功"); closeMongoClient(mongoDatabase,mongoClient); } public static void closeMongoClient(MongoDatabase mongoDataBase,MongoClient mongoClient ) { if (mongoDataBase != null) { mongoDataBase = null; } if (mongoClient != null) { mongoClient.close(); } System.out.println("CloseMongoClient successfully"); } }
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