详解如何使用MongoDB+Springboot实现分布式ID的方法

  <dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-test</artifactId>
  <scope>test</scope>
 </dependency>

 <!-- 开启web-->
 <dependency>
  <groupId>org.springframework.boot</groupId>
  <artifactId>spring-boot-starter-web</artifactId>
 </dependency>
 

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

public class Customer {

  @Id
  public String id;

  public String firstName;
  public String lastName;

  public Customer() {}

  public Customer(String firstName, String lastName) {
    this.firstName = firstName;
    this.lastName = lastName;
  }

  @Override
  public String toString() {
    return String.format(
        "Customer[id=%s, firstName='%s', lastName='%s']",
        id, firstName, lastName);
  }


  public String getId() {
    return id;
  }

  public void setId(String id) {
    this.id = id;
  }

  public String getFirstName() {
    return firstName;
  }

  public void setFirstName(String firstName) {
    this.firstName = firstName;
  }

  public String getLastName() {
    return lastName;
  }

  public void setLastName(String lastName) {
    this.lastName = lastName;
  }
}

/**
 * Created by fangzhipeng on 2017/4/1.
 */


public interface CustomerRepository extends MongoRepository<Customer, String> {

  public Customer findByFirstName(String firstName);
  public List<Customer> findByLastName(String lastName);

}

 @Autowired
  CustomerRepository customerRepository;


@Test
public void mongodbIdTest(){
Customer customer=new Customer("lxdxil","dd");
    customer=customerRepository.save(customer);
    logger.info( "mongodbId:"+customer.getId());
}