MongoDB保姆级指南：无缝集成SpringData框架，一篇最全面的Java接入指南！

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.context.annotation.Configuration;
import org.springframework.data.mongodb.config.AbstractMongoClientConfiguration;
import com.mongodb.MongoClient;
import com.mongodb.MongoCredential;
import com.mongodb.ServerAddress;

import java.util.Collections;

@Configuration
public class MongoConfig extends AbstractMongoClientConfiguration {

    @Autowired
    private MongoProperties mongoProperties;

    @Override
    protected String getDatabaseName() {
        return mongoProperties.getDatabase();
    }

    @Override
    public MongoClient mongoClient() {
        ServerAddress serverAddress = new ServerAddress(mongoProperties.getHost(), mongoProperties.getPort());
        MongoCredential credential = MongoCredential.createCredential(mongoProperties.getUsername(),
                                                                      mongoProperties.getDatabase(),
                                                                      mongoProperties.getPassword());
        return new MongoClient(serverAddress, Collections.singletonList(credential));
    }
}