插入到MongoDB使用Spring Data插入到两个集合中

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

spring.data.mongodb.uri=mongodb://localhost:27017/mydatabase

@Document(collection = "collection1")
public class Collection1Entity {
    // 定义实体类的属性和对应的MongoDB字段
    // ...
}

@Document(collection = "collection2")
public class Collection2Entity {
    // 定义实体类的属性和对应的MongoDB字段
    // ...
}

public interface Collection1Repository extends MongoRepository<Collection1Entity, String> {
}

public interface Collection2Repository extends MongoRepository<Collection2Entity, String> {
}

@Service
public class MyService {
    private final Collection1Repository collection1Repository;
    private final Collection2Repository collection2Repository;

    public MyService(Collection1Repository collection1Repository, Collection2Repository collection2Repository) {
        this.collection1Repository = collection1Repository;
        this.collection2Repository = collection2Repository;
    }

    public void insertData() {
        Collection1Entity entity1 = new Collection1Entity();
        // 设置entity1的属性值
        // ...
        collection1Repository.save(entity1);

        Collection2Entity entity2 = new Collection2Entity();
        // 设置entity2的属性值
        // ...
        collection2Repository.save(entity2);
    }
}