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第 9 章 Spring Data MongoDB

目录

9.1. Example Spring Data MongoDB
9.1.1. pom.xml
9.1.2. springframework-servlet.xml
9.1.3. POJO
9.1.4. Controller
9.1.5. 查看测试结果
9.1.6. 条件查询
9.2. @Document
9.2.1. @Indexed
9.2.1.1. 普通索引
9.2.1.2. 唯一索引
9.2.2. @DateTimeFormat
9.2.3. @NumberFormat
9.2.4. 在 @Document 中使用 Enum 类型
9.2.5. 在 @Document 中定义数据结构 List/Map
9.3. MongoRepository
9.3.1. findAll()
9.3.2. deleteAll()
9.3.3. save()
9.3.4. count()
9.3.5. findByXXXX
9.3.6. StartingWith 和 EndingWith
9.3.7. Between
9.3.8. PageRequest
9.3.9. @Query
9.4. mongoTemplate
9.4.1. is
9.4.2. Regex 正则表达式搜索
9.4.3. lt 和 gt
9.4.4. between
9.4.5. Criteria
9.4.6. Sort
9.4.7. Query + PageRequest
9.4.8. newAggregation

9.1. Example Spring Data MongoDB

9.1.1. pom.xml

注意Spring4 与 1.9.1.RELEASE有兼容性问题,日志提示 Error creating bean with name 'mongoTemplate' defined in ServletContext resource

			
		<dependency>
			<groupId>org.springframework.data</groupId>
			<artifactId>spring-data-mongodb</artifactId>
			<version>1.8.1.RELEASE</version>
		</dependency>			
			
			

9.1.2. springframework-servlet.xml

			
	<mongo:db-factory id="mongoDbFactory" host="${mongo.host}" port="${mongo.port}" dbname="${mongo.database}" />
	<!-- username="${mongo.username}" password="${mongo.password}" -->

	<bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name="mongoDbFactory" ref="mongoDbFactory"/>
    </bean>
    
    <mongo:mapping-converter id="converter" db-factory-ref="mongoDbFactory"/>
    <bean id="gridFsTemplate" class="org.springframework.data.mongodb.gridfs.GridFsTemplate">
      <constructor-arg ref="mongoDbFactory"/>
      <constructor-arg ref="converter"/>
    </bean>
			
			

例 9.1. Spring Data MongoDB - springframework-servlet.xml

				
<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns="http://www.springframework.org/schema/beans" 
	xmlns:mvc="http://www.springframework.org/schema/mvc" 
	xmlns:context="http://www.springframework.org/schema/context" 
	xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" 
	xmlns:p="http://www.springframework.org/schema/p"
	xmlns:mongo="http://www.springframework.org/schema/data/mongo"
	xmlns:tx="http://www.springframework.org/schema/tx" xsi:schemaLocation="
        http://www.springframework.org/schema/beans     
        http://www.springframework.org/schema/beans/spring-beans.xsd
        http://www.springframework.org/schema/mvc 
        http://www.springframework.org/schema/mvc/spring-mvc.xsd
        http://www.springframework.org/schema/context 
        http://www.springframework.org/schema/context/spring-context.xsd
		http://www.springframework.org/schema/data/mongo
		http://www.springframework.org/schema/data/mongo/spring-mongo-1.5.xsd        
        ">

	<mvc:resources location="/images/" mapping="/images/**" />
	<mvc:resources location="/css/" mapping="/css/**" />
	<mvc:resources location="/js/" mapping="/js/**" />
	<mvc:resources location="/zt/" mapping="/zt/**" />
	<mvc:resources location="/sm/" mapping="/sm/**" />
	<mvc:resources location="/module/" mapping="/module/**" />

	<context:component-scan base-package="cn.netkiller.controller" />
	<!-- <context:property-placeholder location="classpath:resources/development.properties" /> -->
	<mvc:annotation-driven />

	<bean id="viewResolver" class="org.springframework.web.servlet.view.UrlBasedViewResolver">
		<property name="viewClass" value="org.springframework.web.servlet.view.JstlView" />
		<property name="prefix" value="/WEB-INF/jsp/" />
		<property name="suffix" value=".jsp" />
	</bean>

	<bean id="configuracion" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
		<property name="location" value="classpath:resources/development.properties" />
	</bean>
	
	<!-- MongoDB Connection Factory -->
	<mongo:db-factory id="mongoDbFactory" host="${mongo.host}" port="${mongo.port}" dbname="${mongo.database}" />
	<!-- username="${mongo.username}" password="${mongo.password}" -->
	
	<!-- MongoDB template definition -->
	<bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
        <constructor-arg name="mongoDbFactory" ref="mongoDbFactory"/>
    </bean>
    
    <!-- MongoDB GridFS template definition -->
    <mongo:mapping-converter id="converter" db-factory-ref="mongoDbFactory"/>
    <bean id="gridFsTemplate" class="org.springframework.data.mongodb.gridfs.GridFsTemplate">
      <constructor-arg ref="mongoDbFactory"/>
      <constructor-arg ref="converter"/>
    </bean>
    
	<!-- Redis Connection Factory -->
	<bean id="jedisConnFactory" class="org.springframework.data.redis.connection.jedis.JedisConnectionFactory" p:host-name="192.168.2.1" p:port="6379" p:use-pool="true" />

	<!-- redis template definition -->
	<bean id="redisTemplate" class="org.springframework.data.redis.core.RedisTemplate" p:connection-factory-ref="jedisConnFactory" />
 
</beans>
				
				

development.properties 配置内容

			
mongo.host=192.168.4.1
mongo.port=27017
mongo.username=test
mongo.password=passw0rd
mongo.database=website
			
			

9.1.3. POJO

			
package cn.netkiller.pojo;

import org.springframework.data.annotation.Id;
import org.springframework.data.mongodb.core.mapping.Document;

@Document(collection = "tracker")
public class Tracker {
	@Id
	private String id;
	private String name;
	private String unique;
	private String hostname;
	private String referrer;
	private String href;

	public Tracker() {
		// TODO Auto-generated constructor stub
	}

	public String getName() {
		return name;
	}

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

	public String getUnique() {
		return unique;
	}

	public void setUnique(String unique) {
		this.unique = unique;
	}

	public String getHostname() {
		return hostname;
	}

	public void setHostname(String hostname) {
		this.hostname = hostname;
	}

	public String getReferrer() {
		return referrer;
	}

	public void setReferrer(String referrer) {
		this.referrer = referrer;
	}

	public String getHref() {
		return href;
	}

	public void setHref(String href) {
		this.href = href;
	}

	@Override
	public String toString() {
		return "Tracker [id=" + id + ", name=" + name + ", unique=" + unique + ", hostname=" + hostname + ", referrer=" + referrer + ", href=" + href + "]";
	}

}		
			
			

9.1.4. Controller

			
package cn.netkiller.controller;

import cn.netkiller.pojo.Tracker;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.data.mongodb.core.MongoTemplate;
import org.springframework.stereotype.*;
import org.springframework.web.bind.annotation.*;

@Controller
public class TrackerController {

	@Autowired
	private MongoTemplate mongoTemplate;

	public TrackerController() {

	}

	@RequestMapping("/tracker/test")
	@ResponseBody
	String hello() {
		return "Hello World!";
	}

	@RequestMapping("/tracker")
	@ResponseBody
	String execute() {
		Tracker tracker = new Tracker();
		tracker.setName("test");
		tracker.setUnique("111223456");
		tracker.setHostname("www.example.com");
		tracker.setHref("http://example.com/test.html");
		tracker.setReferrer("http://example.com/");
		this.mongoTemplate.insert(tracker);
		
		return tracker.toString();
	}

}
			
			

9.1.5. 查看测试结果

			
> db.tracker.find();
{ "_id" : ObjectId("5757c0b92c526a6bda5eea3a"), "_class" : "cn.netkiller.repositories.Tracker", "name" : "test", "unique" : "111223456", "hostname" : "www.example.com", "referrer" : "http://example.com/", "href" : "http://example.com/test.html" }

			
			

9.1.6. 条件查询

			
	@RequestMapping("/read/name/{name}")
	public ArrayList<Tracker> sort(@PathVariable String name) {
	
		Query query = new Query(Criteria.where("name").is(name)); 
		 
		ArrayList<Tracker> trackers =  (ArrayList<Tracker>) mongoTemplate.find(query, Tracker.class);
		return trackers;
	}