MogoDb use and configure

1. Import respective dependent

<!--mongodb-->
<dependency>
      <groupId>org.springframework.boot</groupId>
     <artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>

2. And then the configuration file of configuration information Mogo

#xxx that you customize the name 
spring.data.mongodb.xxx.database = library name #Mongo specify the use of 
spring.data.mongodb.xxx.host = 192.168.xx #Mongo where IP 
spring.data.mongodb.xxx .port = 3633 #Mongo where Port 
spring.data.mongodb.xxx.password = #Mongo account password if you need to configure 
spring.data.mongodb.xxx.username = #Mongo account password if you need to configure

3. Get properties of Mongo information

/ ** 
* This profile information is acquired Mongo configured 
* package configuration information to the MongoProperties 
* / 
@Configuration 
public class MultipleMongoProperties { 
　　 // PerFix represents the name of the configuration file is, up to xxx 
　　 // here this is named Mongo xxxMongoTemplate 
    @Primary 
    @Bean (name = "xxxMongoTemplate") 
    @ConfigurationProperties (prefix = "spring.data.mongodb.xxx") 
    public MongoProperties statisMongoProperties () { 
        return new new MongoProperties (); 
    } 
}

4. Configuration MongoTemplate

// basePackages: MongoProperties specified above configuration packet position 
@Configuration 
@EnableMongoRepositories (basePackages = "com.xxx.config.mongoConfig", mongoTemplateRef = "ZZZ") 
public class RentFollowMongo { 
    // the package information into the vessel above the MongoProperties 
    @Autowired 
    @Qualifier ( "xxxMongoTemplate") 
    Private mongoProperties mongoProperties;     // name of MongoTemplate: customizable, into the container for use to MongoTemplate 
    @Bean (name = "ZZZ") 
    public MongoTemplate zzzTemplate () throws Exception { 
        return new new MongoTemplate (rentfollowFactory (this.mongoProperties)); 
    }     // here acquired Mongo plant 
    @Bean 
    public MongoDbFactory mongoFactory (MongoProperties mongoProperties) {




　　　　  // address register
        ServerAddress serverAdress = new ServerAddress(mongoProperties.getHost(),mongoProperties.getPort());
　　　　 //获取到MongoFactory
        return new SimpleMongoDbFactory(new MongoClient(serverAdress), mongoProperties.getDatabase());

    }
}

5. Use MongoTemplate

@Component 
public class MongoTest { 

    @Autowired 
    @Qualifier (value = "ZZZ") 
    Private MongoTemplate mongoTemplate; 

　　public List <Xxx> findFromMongo () { 
        / * 
        * query 
        * / 
        Query Query Query new new = (); 

        / * 
        * Name Database : Mongo in the database name 
        * / 
        String mongoDbName = "Test_Mongo"; 　　　　 // query this database all the data, Xxx is encapsulated entity Mongo database fields 　　　　 List <Xxx> xxxList = mongoTemplate.fin ( query, Xxx.class, mongoDbName); 
        // add query queries: where the information field is in Mongo, in of the range represents, similar the Sql: SELECT * WHERE from Table a in (a, B, C) 　　　　　query.addCriteria (Criteria.where ( "a ") .in (a, b, c);





　　　　 

　　　　　// tab
        //query.skip((pageNo-1)*pageSize); 
　　　　 //query.limit(pageSize); 

        // (ascending) 
        query.with (new new the Sort (Sort.Direction.ASC, "Sort")); 
        / / (descending) 
        query.with (new new the Sort (Sort.Direction.DESC, "Sort")); 

       
        return pageResult; 
    }