Spring Boot—17MongoDB

 

在MongoDB中插入如下的数据

 

db.baike.insert(
{
    _id: 'freemark',
    desc: '新一代模板语言',
    tag: [
        'IT', 
        '模板语言'
    ],
    comment: {
        good: 56,
        bad: 1
    }
}
)

db.baike.insert(
{
    _id: 'springboot',
    desc: '快速分布式开发框架',
    tag: [
        'IT', 
        'spring'
    ],
    comment: {
        good: 1256,
        bad: 12
    }
}
)

 

pom.xml

<dependency>
    <groupId>mysql</groupId>
    <artifactId>mysql-connector-java</artifactId>
    <version>8.0.11</version>
</dependency>                
<dependency>
   <groupId>com.alibaba</groupId>
   <artifactId>druid-spring-boot-starter</artifactId>
   <version>1.1.9</version>           
</dependency>
<dependency>
    <groupId>org.springframework.boot</groupId>
    <artifactId>spring-boot-starter-data-mongodb</artifactId>
</dependency>

 

application.properties

#
server.address=0.0.0.0
server.port=8080
server.servlet.context-path=/test
server.session.timeout=300
server.error.path=/error
#
server.tomcat.accesslog.enabled=true
server.tomcat.accesslog.buffered=true
server.tomcat.accesslog.directory=D:/Project/JavaWeb/SpringBoot/04JPASpringBoot/logs
#
spring.jackson.date-format=yyyy-MM-dd HH:mm:ss
spring.jackson.time-zone=Asia/Shanghai
#
spring.thymeleaf.cache=true
spring.thymeleaf.enabled=true

file.upload.path=D:/Project/JavaWeb/SpringBoot/04JPASpringBoot/fileUpLoad

spring.servlet.multipart.enabled=true
spring.servlet.multipart.file-size-threshold=0
spring.servlet.multipart.location=D:/Project/JavaWeb/SpringBoot/04JPASpringBoot/temp
spring.servlet.multipart.max-file-size=10MB
spring.servlet.multipart.max-request-size=10MB
spring.servlet.multipart.resolve-lazily=false


spring.datasource.type=com.alibaba.druid.pool.DruidDataSource
spring.datasource.druid.one.url=jdbc:mysql://127.0.0.1:3306/test?serverTimezone=Asia/Shanghai&useUnicode=true&characterEncoding=utf8&useSSL=false
spring.datasource.druid.one.username=root
spring.datasource.druid.one.password=gis
spring.datasource.druid.one.driver-class-name=com.mysql.cj.jdbc.Driver

##Druid
spring.datasource.druid.one.initial-size=2
spring.datasource.druid.one.max-active=5
spring.datasource.druid.one.min-idle=1
spring.datasource.druid.one.max-wait=60000
spring.datasource.druid.one.pool-prepared-statements=true
spring.datasource.druid.one.max-pool-prepared-statement-per-connection-size=20
spring.datasource.druid.one.validation-query=SELECT 1 FROM DUAL
spring.datasource.druid.one.validation-query-timeout=60000
spring.datasource.druid.one.test-on-borrow=false
spring.datasource.druid.one.test-on-return=false
spring.datasource.druid.one.test-while-idle=true
spring.datasource.druid.one.time-between-eviction-runs-millis=60000
spring.datasource.druid.one.min-evictable-idle-time-millis=100000
#spring.datasource.druid.one.max-evictable-idle-time-millis=
spring.datasource.druid.one.filters=stat,wall,log
spring.datasource.druid.one.logSlowSql=true

spring.data.mongodb.uri=mongodb://zyx:gis@127.0.0.1:27017/geodb
logging.level.org.springframework.data=debug

 

启动类

package com.smartmap.sample.test;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.transaction.annotation.EnableTransactionManagement;

import com.smartmap.sample.test.conf.DataSourceConfiguration;

@EnableTransactionManagement
@SpringBootApplication
public class TestMongoDBApplication {

    public static void main(String[] args) {
        SpringApplication.run(TestMongoDBApplication.class, args);

    }
}

 

实体类Baike

package com.smartmap.sample.test.entity;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

public class Baike {

    private String id;
    private String desc;
    private List<String> tag = new ArrayList<String>();
    private Comment comment = null;
    private Date createDate = null;
    private Date updateDate = null;
    
    
    public String getId() {
        return id;
    }
    public void setId(String id) {
        this.id = id;
    }
    public String getDesc() {
        return desc;
    }
    public void setDesc(String desc) {
        this.desc = desc;
    }
    public List<String> getTag() {
        return tag;
    }
    public void setTag(List<String> tag) {
        this.tag = tag;
    }
    public Comment getComment() {
        return comment;
    }
    public void setComment(Comment comment) {
        this.comment = comment;
    }
    public Date getCreateDate() {
        return createDate;
    }
    public void setCreateDate(Date createDate) {
        this.createDate = createDate;
    }
    public Date getUpdateDate() {
        return updateDate;
    }

    public void setUpdateDate(Date updateDate) {
        this.updateDate = updateDate;
    }
    
    
    
}

 

实体类Comment

package com.smartmap.sample.test.entity;

import java.util.ArrayList;
import java.util.Date;
import java.util.List;

public class Baike {

    private String id;
    private String desc;
    private List<String> tag = new ArrayList<String>();
    private Comment comment = null;
    private Date createDate = null;
    private Date updateDate = null;

    public String getId() {
        return id;
    }

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

    public String getDesc() {
        return desc;
    }

    public void setDesc(String desc) {
        this.desc = desc;
    }

    public List<String> getTag() {
        return tag;
    }

    public void setTag(List<String> tag) {
        this.tag = tag;
    }

    public Comment getComment() {
        return comment;
    }

    public void setComment(Comment comment) {
        this.comment = comment;
    }

    public Date getCreateDate() {
        return createDate;
    }

    public void setCreateDate(Date createDate) {
        this.createDate = createDate;
    }

    public Date getUpdateDate() {
        return updateDate;
    }

    public void setUpdateDate(Date updateDate) {
        this.updateDate = updateDate;
    }

}

 

DAO类（强大的MongoTemplate）

package com.smartmap.sample.test.dao.impl;

import java.util.Date;
import java.util.List;

import org.bson.Document;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.dao.DataAccessException;
import org.springframework.data.mongodb.core.DbCallback;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.data.mongodb.core.query.Criteria;
import org.springframework.data.mongodb.core.query.Query;
import org.springframework.data.mongodb.core.query.Update;
import org.springframework.stereotype.Repository;

import com.mongodb.MongoException;
import com.mongodb.client.MongoCollection;
import com.mongodb.client.MongoCursor;
import com.mongodb.client.MongoDatabase;
import com.mongodb.client.result.DeleteResult;
import com.mongodb.client.result.UpdateResult;
import com.smartmap.sample.test.dao.BaikeDao;
import com.smartmap.sample.test.entity.Baike;

@Repository
public class BaikeDaoImpl implements BaikeDao {
    private final String collectionName = "baike";

    @Autowired
    MongoTemplate mongoTemplate;
    
    // 插入
    public void insertBaike(Baike baike) {
        baike.setCreateDate(new Date());
        mongoTemplate.insert(baike, collectionName);
    }

    // 查找所有
    public List<Baike> findAllBaike() {
        return mongoTemplate.findAll(Baike.class);
    }
    
    // 按ID查询
    public Baike findBaikeById(String id) {
        return mongoTemplate.findById(id, Baike.class);
    }

    // 按嵌套属性查询
    public List<Baike> queryBad(int bad) {
        Criteria criteria = Criteria.where("comment.bad").gt(bad);
        Query query = Query.query(criteria);
        return mongoTemplate.find(query, Baike.class);
    }

    // 多条件查询
    public List<Baike> queryBadAndGood(int bad, int good) {
        Criteria criteriaBad = Criteria.where("comment.bad").gt(bad);
        Criteria criteriaGood = Criteria.where("comment.good").lt(good);
        criteriaBad.andOperator(criteriaGood);
        Query query = Query.query(criteriaBad);
        return mongoTemplate.find(query, Baike.class);
    }

    // 更新--原子操作
    public Long addCommentGoodCount(String tag) {
        Criteria criteria = Criteria.where("tag").in(tag);
        Query query = Query.query(criteria);
        Update update = new Update();
        update.inc("comment.good", 1);
        UpdateResult updateResult = mongoTemplate.updateMulti(query, update, Baike.class);
        return updateResult.getModifiedCount();
    }
    
    // 分页查询
    public List<Baike> findBaikeWithPager(String tag, long pageNum) {
        Criteria criteria = Criteria.where("tag").in(tag);
        Query query = Query.query(criteria);
        // 查询总数
        long totalCount = mongoTemplate.count(query, Baike.class);
        int numOfPage = 10;
        long totalPage = totalCount / numOfPage;
        if (totalCount % numOfPage != 0) {
            totalPage++;
        }
        if (pageNum > totalPage) {
            pageNum = totalPage;
        }
        // 取出分页的数据
        long skip = (pageNum - 1) * numOfPage;
        query.skip(skip).limit(numOfPage);
        return mongoTemplate.find(query, Baike.class);
    }

    public long updateBaike(Baike baike) {
        baike.setUpdateDate(new Date());
        Criteria criteria = Criteria.where("_id").is(baike.getId());
        Query query = Query.query(criteria);
        // 多字段更新
        Update update = new Update().set("createDate", baike.getCreateDate()).set("desc", baike.getDesc());
        UpdateResult updateResult = mongoTemplate.updateFirst(query, update, Baike.class, collectionName);
        return updateResult.getModifiedCount();
    }

    // 删除
    public long deleteBaike(String id) {
        Baike baike = new Baike();
        baike.setId(id);
        DeleteResult deleteResult = mongoTemplate.remove(baike, collectionName);
        return deleteResult.getDeletedCount();
    }

    // 通过调用Mongodb原生的API查询
    public Baike findBaikeByIdWithNative(String id) {
        final String objectId = id;
        Baike baike = mongoTemplate.execute(new DbCallback<Baike>() {
            @Override
            public Baike doInDB(MongoDatabase mongoDatabase) throws MongoException, DataAccessException {
                MongoCollection<Document> collection = mongoDatabase.getCollection(collectionName);
                Document document = new Document("_id", objectId);
                MongoCursor<Document> cursor = collection.find(document).iterator();
                try {
                    while (cursor.hasNext()) {
                        System.out.println(cursor.next().toJson());
                    }
                } finally {
                    cursor.close();
                }
                return null;
            }

        });
        return baike;
    }

}

 

Service类

package com.smartmap.sample.test.service.impl;

import java.util.List;

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

import com.smartmap.sample.test.dao.BaikeDao;
import com.smartmap.sample.test.entity.Baike;
import com.smartmap.sample.test.service.BaikeService;

@Service
public class BaikeServiceImpl implements BaikeService {
    @Autowired
    BaikeDao baikeDao;

    public List<Baike> findAllBaike() {
        return baikeDao.findAllBaike();
    }

    public Baike findBaikeById(String id) {
        return baikeDao.findBaikeById(id);

    }

    public List<Baike> findBaikeWithPager(String tag, long pageNum) {
        return baikeDao.findBaikeWithPager(tag, pageNum);
    }

    public Baike insertBaike(Baike baike) {
        baikeDao.insertBaike(baike);
        return baike;
    }

    public long updateBaike(Baike baike) {
        return baikeDao.updateBaike(baike);
    }

    public long deleteBaike(String id) {
        return baikeDao.deleteBaike(id);
    }
}

 

Controller类

 

package com.smartmap.sample.test.controller.rest;

import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.DeleteMapping;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.PutMapping;
import org.springframework.web.bind.annotation.RequestBody;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;

import com.smartmap.sample.test.entity.Baike;
import com.smartmap.sample.test.service.BaikeService;

@RestController
@RequestMapping("/api/v1.1/system/baike")
public class BaikeRestController {
    private final Log logger = LogFactory.getLog(BaikeRestController.class);
    @Autowired
    private BaikeService baikeService;
    
    /**
     * 查询所有用户
     *
     * curl -XGET 'http://127.0.0.1:8080/test/api/v1.1/system/baike/'
     * 
     * @return
     */
    @GetMapping("/")
    public List<Baike> getAllBaikes() {
        return baikeService.findAllBaike();
    }

    /**
     * 根据Id查询用户
     * 
     * curl -XGET 'http://127.0.0.1:8080/test/api/v1.1/system/baike/springboot'
     * 
     * @param baikeId
     * @return
     */
    @GetMapping("/{baikeId}")
    public Baike getBaikeById(@PathVariable("baikeId") String baikeId) {
        return baikeService.findBaikeById(baikeId);
    }

    /**
     * 翻页查询用户
     * 
     * curl -XGET 'http://127.0.0.1:8080/test/api/v1.1/system/baike/query?pageNum=1&tag=spring'
     * 
     * @param offset
     * @param limit
     * @param sortBy
     * @param sortOrder
     * @return
     */
    @GetMapping("/query")
    public List<Baike> queryBaikeById(@RequestParam("tag") String tag, @RequestParam("pageNum") long pageNum) {
        logger.info(String.valueOf(tag));
        logger.info(String.valueOf(pageNum));        
        return baikeService.findBaikeWithPager(tag, pageNum);
    }

    /**
     * 添加用户
     * 
     * curl -XPOST 'http://127.0.0.1:8080/test/api/v1.1/system/baike/' -H'Content-type:application/json;charset=UTF-8' -d '
        {
        "id": "hadoop",
        "desc": "bigdata framework",
        "tag": [
        "IT",
        "bigdta"
        ],
        "comment": {
        "good": 3254,
        "bad": 25
        }
        }'
     * 
     * @param baike
     * @return
     */
    @PostMapping("/")
    public int addBaike(@RequestBody Baike baike) {
        System.out.println(baike.getId());
        baikeService.insertBaike(baike);
        return 1;
    }

    /**
     * 更新用户
     * 
     * curl -XPUT 'http://127.0.0.1:8080/api/v1.1/system/baike/'
     * -H'Content-type:application/json;charset=UTF-8' -d ' { "id": "123",
     * "name":"123" } '
     * 
     * @param baike
     * @return
     */
    @PutMapping("/")
    public long updateUse(@RequestBody Baike baike) {
        return baikeService.updateBaike(baike);
    }

    /**
     * 删除用户
     * 
     * curl -XDELETE 'http://127.0.0.1:8080/api/v1.1/system/baike/123'
     * 
     * @param baikeId
     * @return
     */
    @DeleteMapping("/{baikeId}")
    public String deleteBaike(@PathVariable("baikeId") String baikeId) {
        if (baikeService.deleteBaike(baikeId) > 0) {
            return "{success:true, message:'delete success'}";
        } else {
            return "{success:false, message:'delete fail'}";
        }
    }
    
}