打开pom.xml文件，添加Spring Data Rest和Spring Data Mongo依赖项：
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-rest</artifactId>
</dependency>
<dependency>
<groupId>org.springframework.boot</groupId>
<artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>
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模型类：
public class Customer implements Serializable {
private static final long serialVersionUID = 1L;
@Id
private Long id;
private String firstName;
private String lastName;
private static AtomicLong COUNTER = new AtomicLong(0L);
@PersistenceConstructor
public Customer() {
this.id = COUNTER.incrementAndGet();
}
@Override
public String toString() {
return String.format("Customer[id=%d, firstName='%s', lastName='%s']", id, firstName, lastName);
}
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;
}
}
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通过扩展接口MongoRepository创建MongoDb存储库：
@RepositoryRestResource(collectionResourceRel = "customer", path = "customer")
public interface CustomerRepository extends MongoRepository<Customer, String> {
List<Customer> findByLastName(@Param("name") String name);
}
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在上面的代码中，我们定义了一个自定义方法，用于按姓氏查找列表客户。
打开application.properties来配置MongoDB：
spring.data.mongodb.database=restapi
spring.data.mongodb.port=27017
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运行MongoDB服务器。然后运行Spring Boot项目。
GET请求：localhost：8080
源码：SpringBootMongoDbRestApi