<?xml version="1.0" encoding="UTF-8"?>
<project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"
         xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 https://maven.apache.org/xsd/maven-4.0.0.xsd">
    <modelVersion>4.0.0</modelVersion>
    <parent>
        <groupId>org.springframework.boot</groupId>
        <artifactId>spring-boot-starter-parent</artifactId>
        <version>2.6.3</version>
        <relativePath/>
    </parent>
    <groupId>com.example</groupId>
    <artifactId>java-mongdb</artifactId>
    <version>0.0.1-SNAPSHOT</version>
    <dependencies>
        <!--mongodb-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-data-mongodb</artifactId>
        </dependency>
        <!--lombok-->
        <dependency>
            <groupId>org.projectlombok</groupId>
            <artifactId>lombok</artifactId>
            <optional>true</optional>
        </dependency>
        <!--springMVC-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-web</artifactId>
        </dependency>
        <!--test-->
        <dependency>
            <groupId>org.springframework.boot</groupId>
            <artifactId>spring-boot-starter-test</artifactId>
            <scope>test</scope>
        </dependency>
    </dependencies>
    <build>
        <plugins>
            <plugin>
                <groupId>org.springframework.boot</groupId>
                <artifactId>spring-boot-maven-plugin</artifactId>
                <configuration>
                    <excludes>
                        <exclude>
                            <groupId>org.projectlombok</groupId>
                            <artifactId>lombok</artifactId>
                        </exclude>
                    </excludes>
                </configuration>
            </plugin>
        </plugins>
    </build>
</project>

server:
  port: 8080
spring:
  data:
    mongodb:
      host: 192.168.66.101
      port: 27017
      username: root
      password: root
      database: local
      authentication-database: admin

@SpringBootApplication
public class Main {
    public static void main(String[] args) {
        SpringApplication.run(Main.class,args);
    }
}

db.orders.insertMany( [
  { _id: 0, name: "Pepperoni", size: "small", price: 19, quantity: 10, date: ISODate( "2030-03-13T08:14:30Z" ) },
  { _id: 1, name: "Pepperoni", size: "medium", price: 20, quantity: 20, date : ISODate( "2030-03-13T09:13:24Z" ) },
  { _id: 2, name: "Pepperoni", size: "large", price: 21, quantity: 30, date : ISODate( "2030-03-17T09:22:12Z" ) },
  { _id: 3, name: "Cheese", size: "small", price: 12, quantity: 15, date : ISODate( "2030-03-13T11:21:39.736Z" ) },
  { _id: 4, name: "Cheese", size: "medium", price: 13,quantity:50, date : ISODate( "2031-01-12T21:23:13.331Z" ) },
  { _id: 5, name: "Cheese", size: "large", price: 14, quantity: 10, date : ISODate( "2031-01-12T05:08:13Z" ) },
  { _id: 6, name: "Vegan", size: "small", price: 17, quantity: 10, date : ISODate( "2030-01-13T05:08:13Z" ) },
  { _id: 7, name: "Vegan", size: "medium", price: 18, quantity: 10, date : ISODate( "2030-01-13T05:10:13Z" ) }
] )

public interface OrdersDao {
    //根据订单名称查询订单集合
    List<Orders> findOrderByName(String name);
}

@Repository
public class OrdersDaoImpl implements OrdersDao {
    @Autowired
    protected MongoTemplate mongoTemplate;
    @Override
    public List<Orders> findOrderByName(String name) {
        Query query = new Query();
        query.addCriteria(Criteria.where("name").is(name));
        return mongoTemplate.find(query, Orders.class);
    }
}

public interface OrdersRepository extends MongoRepository<Orders,String> {
    List<Orders> findOrderBySize(String size);
}

@Data
@NoArgsConstructor
public class Orders {
    private String _id;
    private String name;
    private String size;
    private Integer price;
    private Integer quantity;
    private Date date;
}

public interface OrderService {
    //根据订单名称查询订单集合
    List<Orders> getOrdersByName(String name);
    //根据大小查询订单集合
    List<Orders> getOrdersBySize(String size);
}

@Service
public class OrderServiceImpl implements OrderService {
    @Autowired
    private OrdersDao ordersDao;
    @Autowired
    private OrdersRepository ordersRepository;
    @Override
    public List<Orders> getOrdersByName(String name) {
        return ordersDao.findOrderByName(name);
    }
    @Override
    public List<Orders> getOrdersBySize(String size) {
        return ordersRepository.findOrderBySize(size);
    }
}

@RestController
public class TestController {
    @Autowired
    private OrderService orderService;
    @GetMapping("/template/getOrdersByName")
    public List<Orders> getOrdersByName(String name) {
        return orderService.getOrdersByName(name);
    }
    @GetMapping("/repository/getOrdersBySize")
    public List<Orders> getOrdersBySize(String size) {
        return orderService.getOrdersBySize(size);
    }
}

http://localhost:8080/template/getOrdersByName?name=Pepperoni

http://localhost:8080/repository/getOrdersBySize?size=large