SpringBoot集成Neo4j的详细教程

<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-neo4j</artifactId>
</dependency>
<dependency>
    <groupId>org.neo4j.driver</groupId>
    <artifactId>neo4j-java-driver</artifactId>
    <version>4.4.4</version> <!-- 根据最新版本调整 -->
</dependency>

spring.data.neo4j.uri=bolt://localhost:7687
spring.data.neo4j.authentication.username=your_username
spring.data.neo4j.authentication.password=your_password

import org.springframework.data.annotation.Id;
import org.springframework.data.neo4j.core.schema.Node;

@Node
public class Person {
    @Id
    private Long id;
    private String name;
    private int age;

    // 构造函数、getter 和 setter
    public Person() {}

    public Person(Long id, String name, int age) {
        this.id = id;
        this.name = name;
        this.age = age;
    }

    public Long getId() {
        return id;
    }

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

    public String getName() {
        return name;
    }

    public void setName(String name) {
        this.name = name;
    }

    public int getAge() {
        return age;
    }

    public void setAge(int age) {
        this.age = age;
    }
}

import org.springframework.data.neo4j.repository.Neo4jRepository;

public interface PersonRepository extends Neo4jRepository<Person, Long> {
    Person findByName(String name);
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.util.List;

@Service
public class PersonService {
    private final PersonRepository personRepository;

    @Autowired
    public PersonService(PersonRepository personRepository) {
        this.personRepository = personRepository;
    }

    public Person savePerson(Person person) {
        return personRepository.save(person);
    }

    public List<Person> findAllPersons() {
        return personRepository.findAll();
    }

    public Person findByName(String name) {
        return personRepository.findByName(name);
    }
}

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import java.util.List;

@RestController
@RequestMapping("/api/persons")
public class PersonController {
    private final PersonService personService;

    @Autowired
    public PersonController(PersonService personService) {
        this.personService = personService;
    }

    @PostMapping
    public Person createPerson(@RequestBody Person person) {
        return personService.savePerson(person);
    }

    @GetMapping
    public List<Person> getAllPersons() {
        return personService.findAllPersons();
    }

    @GetMapping("/{name}")
    public Person getPersonByName(@PathVariable String name) {
        return personService.findByName(name);
    }
}

POST /api/persons
Content-Type: application/json

{
    "id": 1,
    "name": "Alice",
    "age": 30
}

GET /api/persons

GET /api/persons/Alice