快速入门 - MongoDB从入门到删库

1、 添加MAVEN配置

       org.springframework.boot
       spring-boot-starter-data-mongodb
       ${spring.version}

2、yaml配置

spring.data.mongodb.uri=mongodb://username:password@ip1,ip2:27017/test

3、扩展配置

@Configuration
public class MongoConfiguration {

    @Bean
    public MongoClientOptions mongoClientOptions(MongoOptionProperties mongoOptionProperties) {
        if (mongoOptionProperties == null) {
            return new MongoClientOptions.Builder().build();
        }

        return new MongoClientOptions.Builder()
                .minConnectionsPerHost(0)
                .connectionsPerHost(100)
                .threadsAllowedToBlockForConnectionMultiplier(5)
                .serverSelectionTimeout(30000)
                .maxWaitTime(120000)
                .maxConnectionIdleTime(0)
                .maxConnectionLifeTime(0)
                .connectTimeout(10000)
                .socketTimeout(0)
                .socketKeepAlive(false)
                .sslEnabled(false)
                .sslInvalidHostNameAllowed(false)
                .alwaysUseMBeans(false)
                .heartbeatFrequency(500)
                .heartbeatConnectTimeout(20000)
                .heartbeatSocketTimeout(20000)
                .localThreshold(15)
                .build();
    }
}

4、添加Main入口

@SpringBootApplication
class ApplicationConfiguration {

    public @Bean LoggingEventListener mongoEventListener() {
        return new LoggingEventListener();
    }
}

5、添加POJO

@Data
@RequiredArgsConstructor
public class Person {

    private @Id String id;
    private final String firstname;
    private final String lastname;
}

6、建立单元测试

@RunWith(SpringRunner.class)
@SpringBootTest(classes = ApplicationConfiguration.class)
public class MongoTemplateTest {

    Person dave, oliver, carter;

    @Autowired
    MongoOperations mongoOps;

    @Before
    public void setUp() {
        mongoOps.remove(new Query(),Person.class);
        dave = mongoOps.insert(new Person("Dave", "Matthews"));
        oliver = mongoOps.insert(new Person("Oliver August", "Matthews"));
        carter = mongoOps.insert(new Person("Carter", "Beauford"));
    }


    @Test
    public void testTemplate(){
        mongoOps.findAll(Person.class).forEach(System.out::println);
    }
}

输出结果：

Person(id=5c3c51d508a7f52308f7166c, firstname=Dave, lastname=Matthews)
Person(id=5c3c51d508a7f52308f7166d, firstname=Oliver August, lastname=Matthews)
Person(id=5c3c51d508a7f52308f7166e, firstname=Carter, lastname=Beauford)