SpringBoot MongoDB详细使用教程

public interface PersonRepository extends MongoRepository<Person,String>{
}

package com.ch.ch6_8.domain;
import java.util.ArrayList;
import java.util.List;
import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;
import org.springframework.data.mongodb.core.mapping.Field;
@Document
public class Person {
	@Id
	private String pid;
	private String pname;
	private Integer page;
	private String psex;
	@Field("plocs")
	private List<Location> locations = new ArrayList<Location>();
	public Person() {
		super();
	}
	public Person(String pname, Integer page, String psex) {
		super();
		this.pname = pname;
		this.page = page;
		this.psex = psex;
	}
	public String getPid() {
		return pid;
	}
	public void setPid(String pid) {
		this.pid = pid;
	}
	public String getPname() {
		return pname;
	}
	public void setPname(String pname) {
		this.pname = pname;
	}
	public Integer getPage() {
		return page;
	}
	public void setPage(Integer page) {
		this.page = page;
	}
	public String getPsex() {
		return psex;
	}
	public void setPsex(String psex) {
		this.psex = psex;
	}
	public List<Location> getLocations() {
		return locations;
	}
	public void setLocations(List<Location> locations) {
		this.locations = locations;
	}
}

package com.ch.ch6_8.domain;
public class Location {
	private String locName;
	private String year;
	public Location() {
		super();
	}
	public Location(String locName, String year) {
		super();
		this.locName = locName;
		this.year = year;
	}
	public String getLocName() {
		return locName;
	}
	public void setLocName(String locName) {
		this.locName = locName;
	}
	public String getYear() {
		return year;
	}
	public void setYear(String year) {
		this.year = year;
	}
}

package com.ch.ch6_8.repository;
import java.util.List;
import org.springframework.data.mongodb.repository.MongoRepository;
import org.springframework.data.mongodb.repository.Query;
import com.ch.ch6_8.domain.Person;
public interface PersonRepository extends MongoRepository<Person, String>{
	Person findByPname(String pname);//支持方法名查询，方法名命名规范参照表6.1
	@Query("{'psex':?0}")//JSON字符串
	List<Person> selectPersonsByPsex(String psex);
}

package com.ch.ch6_8.controller;
import java.util.ArrayList;
import java.util.List;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import com.ch.ch6_8.domain.Location;
import com.ch.ch6_8.domain.Person;
import com.ch.ch6_8.repository.PersonRepository;
@RestController
public class TestMongoDBController {
	@Autowired
	private PersonRepository personRepository;
	@RequestMapping("/save")
	public List<Person> save() {
		List<Location> locations1 = new ArrayList<Location>();
		Location loc1 = new Location("北京","2019");
		Location loc2 = new Location("上海","2018");
		locations1.add(loc1);
		locations1.add(loc2);
		
		List<Location> locations2 = new ArrayList<Location>();
		Location loc3 = new Location("广州","2017");
		Location loc4 = new Location("深圳","2016");
		locations2.add(loc3);
		locations2.add(loc4);
		List<Person> persons = new ArrayList<Person>();
		Person p1 = new Person("陈恒1", 88, "男");
		p1.setLocations(locations1);
		Person p2 = new Person("陈恒2", 99, "女");
		p2.setLocations(locations2);
		persons.add(p1);
		persons.add(p2);
		return personRepository.saveAll(persons);
	}
	@RequestMapping("/findByPname")
	public Person findByPname(String pname) {
		return personRepository.findByPname(pname);
	}
	@RequestMapping("/selectPersonsByPsex")
	public List<Person> selectPersonsByPsex(String psex) {
		return personRepository.selectPersonsByPsex(psex);
	}
	@RequestMapping("/updatePerson")
	public Person updatePerson(String oldPname, String newPname) {
		Person p1 = personRepository.findByPname(oldPname);
		if(p1 != null)
			p1.setPname(newPname);
		return personRepository.save(p1);
	}
	@RequestMapping("/deletePerson")
	public void updatePerson(String pname) {
		Person p1 = personRepository.findByPname(pname);
		personRepository.delete(p1);
	}
}