mongo-javadriver-3.0.1 创建数据库连接

最新推荐文章于 2024-07-30 00:19:15 发布

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本文详细介绍了如何使用MongoClientOptions.Builder构建MongoDB连接，并配置心跳频率、主机、端口、数据库、用户和密码等关键参数。通过示例代码演示了如何创建ServerAddress、MongoCredentials并最终获取MongoClient实例。

MongoClientOptions.Builder builder = new MongoClientOptions.Builder();  
			int frequency = StringUtil.parseInt(PropertiesUtil.getProperty("mongo","frequency"));
			if(frequency>0){
				builder.heartbeatFrequency(frequency);
			}
			MongoClientOptions options = builder.build();  
			
			String host = PropertiesUtil.getProperty("mongo","host");
			int port = Integer.parseInt(PropertiesUtil.getProperty("mongo","port"));
			String database = PropertiesUtil.getProperty("mongo","db");
			String user = PropertiesUtil.getProperty("mongodb","user");
			String password = PropertiesUtil.getProperty("mongodb","password");
			
			ServerAddress serverAddress = new ServerAddress(host, port);  
            List<ServerAddress> seeds = new ArrayList<ServerAddress>();  
            seeds.add(serverAddress);  
            
            MongoCredential credentials = MongoCredential.createMongoCRCredential(user, database, password.toCharArray());  
            List<MongoCredential> credentialsList = new ArrayList<MongoCredential>();  
            credentialsList.add(credentials);  
            
            MongoClient mongoClient = new MongoClient(seeds, credentialsList, options);  
			
            MongoDatabase db = mongoClient.getDatabase(database);