如何优雅的进行Spring整合MongoDB详解

<dependency> <groupId>org.springframework.data</groupId> <artifactId>spring-data-mongodb</artifactId> <version>1.5.0.RELEASE</version></dependency><dependency> <groupId>org.slf4j</groupId> <artifactId>slf4j-log4j12</artifactId> <version>1.5.10</version></dependency>

<!-- spring web相关依赖 --> <dependency>  <groupId>org.springframework</groupId>  <artifactId>spring-web</artifactId>  <version>${spring.version}</version> </dependency> <dependency>  <groupId>org.springframework</groupId>  <artifactId>spring-webmvc</artifactId>  <version>3.1.2.RELEASE</version> </dependency> <!-- spring test依赖 --> <dependency>  <groupId>org.springframework</groupId>  <artifactId>spring-test</artifactId>  <version>4.3.1.RELEASE</version> </dependency>

mongo.hostport=172.16.4.166:27017mongo.dbname=ad_api_countmongo.username=hehaitaomongo.password=hehaitaomongo.connectionsPerHost=8mongo.threadsAllowedToBlockForConnectionMultiplier=4#/u8FDE/u63A5/u8D85/u65F6/u65F6/u95F4mongo.connectTimeout=1000#/u7B49/u5F85/u65F6/u95F4mongo.maxWaitTime=1500mongo.autoConnectRetry=truemongo.socketKeepAlive=true#Socket/u8D85/u65F6/u65F6/u95F4mongo.socketTimeout=1500mongo.slaveOk=true

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans"  xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance"  xmlns:context="http://www.springframework.org/schema/context"  xmlns:mongo="http://www.springframework.org/schema/data/mongo"  xsi:schemaLocation="http://www.springframework.org/schema/context   http://www.springframework.org/schema/context/spring-context-3.1.xsd   http://www.springframework.org/schema/data/mongo   http://www.springframework.org/schema/data/mongo/spring-mongo-1.0.xsd   http://www.springframework.org/schema/beans   http://www.springframework.org/schema/beans/spring-beans-3.1.xsd"> <!-- 加载mongodb的属性配置文件 --> <context:property-placeholder location="classpath:mongodb.properties" ignore-unresolvable="true"/>  <!-- 定义mongo对象，对应的是mongodb官方jar包中的Mongo，replica-set设置集群副本的ip地址和端口 --> <mongo:mongo id="mongo" replica-set="${mongo.hostport}"> <mongo:options  connections-per-host="${mongo.connectionsPerHost}"  threads-allowed-to-block-for-connection-multiplier="${mongo.threadsAllowedToBlockForConnectionMultiplier}"  connect-timeout="${mongo.connectTimeout}"  max-wait-time="${mongo.maxWaitTime}"  auto-connect-retry="${mongo.autoConnectRetry}"  socket-keep-alive="${mongo.socketKeepAlive}"  socket-timeout="${mongo.socketTimeout}"  slave-ok="${mongo.slaveOk}"  write-number="1"  write-timeout="0"  write-fsync="true"/>  </mongo:mongo> <mongo:db-factory id="mgFactory"  dbname="${mongo.dbname}"  username="${mongo.username}"  password="${mongo.password}"  mongo-ref="mongo" />  <bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate"> <constructor-arg name="mongoDbFactory" ref="mgFactory"/> </bean></beans>

<?xml version="1.0" encoding="UTF-8"?><beans xmlns="http://www.springframework.org/schema/beans" xmlns:context="http://www.springframework.org/schema/context" xmlns:tx="http://www.springframework.org/schema/tx"  xmlns:aop="http://www.springframework.org/schema/aop" xmlns:task="http://www.springframework.org/schema/task" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.1.xsd http://www.springframework.org/schema/context http://www.springframework.org/schema/context/spring-context-3.1.xsd http://www.springframework.org/schema/tx  http://www.springframework.org/schema/tx/spring-tx.xsd http://www.springframework.org/schema/aop http://www.springframework.org/schema/aop/spring-aop-3.1.xsd http://www.springframework.org/schema/task http://www.springframework.org/schema/task/spring-task-3.1.xsd">  <aop:aspectj-autoproxy proxy-target-class="true"/>  <!--使用注解管理bean --> <context:annotation-config/>  <!-- 扫描com.lutongnet下的所有类 --> <context:component-scan base-package="com.lutong.cps"> <context:exclude-filter type = "annotation" expression = "org.springframework.stereotype.Controller"/> </context:component-scan> <import resource="mongoDB.xml"/> </beans>

/** * File Name : MongoDBService.java * Package : com.lutongnet.ad.service * Description : TODO * Author : zhangfj * Date : 2012-11-29 * Version : V1.0  */package com.lutong.cps.schedule.service.fj;import org.springframework.context.ApplicationContext;import org.springframework.context.support.ClassPathXmlApplicationContext;import org.springframework.data.mongodb.core.MongoTemplate;import org.springframework.data.mongodb.core.query.Query;import org.springframework.stereotype.Service;/**  * @author zhangfj * */@Service("mongoDBService")public class MongoDBService{ /*@Resource(name = "mongoTemplate") protected MongoTemplate mongoTemplate;*/ /** *  * @param query  * @param entityClass  * @return T  */ public <T> T findOne(Query query, Class<T> entityClass) { ApplicationContext context=new ClassPathXmlApplicationContext("mongoDB.xml"); MongoTemplate mongoTemplate= (MongoTemplate) context.getBean("mongoTemplate"); // 可以直接调用 return mongoTemplate.findOne(query, entityClass); }}

/** * File Name : UserAdCountService.java * Package : com.lutongnet.ad.service * Description : TODO * Author : zhangfj * Date : 2012-11-29 * Version : V1.0  */package com.lutong.cps.schedule.service.fj;import org.springframework.data.mongodb.core.query.Criteria;import org.springframework.data.mongodb.core.query.Query;import org.springframework.stereotype.Service;import com.lutong.cps.schedule.entity.UserAdCount;/**  * @author zhangfj * */@Service("userAdCountService")public class UserAdCountService extends MongoDBService{ /** * 获取单个广告的观看次数，查询不到则返回0 *  * @param adCode  * @return int  */ public int getUserAdCount(UserAdCount adCode) { Criteria criteria = new Criteria(); criteria.andOperator(Criteria.where("userAd").is(adCode.getUserAd()),  Criteria.where("adCode").is(adCode.getAdCode()),  Criteria.where("countDate").is(adCode.getCountDate())); Query query = new Query(criteria); UserAdCount result = findOne(query, UserAdCount.class); if (null != result) {  return result.getTimesCount(); } return 0; }}

package com.lutong.cps.schedule.entity;import java.util.Date;import org.springframework.data.annotation.PersistenceConstructor;import org.springframework.data.mongodb.core.mapping.Document;/** * mongo专用统计单个用户的单个广告观看次数 * @author cancer * */@Document(collection="userAdCount")public class UserAdCount{ private int timesCount;  /** * 用户账号 */ private String userAd;  private String adCode; private String countDate; private Date expireAt;@PersistenceConstructor public UserAdCount(int timesCount, String userAd,String adCode,String countDate,Date expireAt) { this.timesCount = timesCount; this.userAd = userAd; this.adCode = adCode; this.countDate = countDate; this.expireAt = expireAt; }  public UserAdCount(String userAd,String adCode,String countDate) { this.userAd = userAd; this.adCode = adCode; this.countDate = countDate; }  public UserAdCount(String userAd,String adCode,String countDate,Date expireAt) { this.userAd = userAd; this.adCode = adCode; this.countDate = countDate; this.expireAt = expireAt; }public UserAdCount(String countDate) { this.countDate = countDate; } public int getTimesCount() { return timesCount; } public void setTimesCount(int timesCount) { this.timesCount = timesCount; } public String getUserAd() { return userAd; } public void setUserAd(String userAd) { this.userAd = userAd; } public String getAdCode() { return adCode; } public void setAdCode(String adCode) { this.adCode = adCode; } public String getCountDate() { return countDate; } public void setCountDate(String countDate) { this.countDate = countDate; } public Date getExpireAt() { return expireAt; } public void setExpireAt(Date expireAt) { this.expireAt = expireAt; } }

import java.util.List;import javax.annotation.Resource;import org.junit.Test;import org.junit.runner.RunWith;import org.springframework.test.context.ContextConfiguration;import org.springframework.test.context.junit4.SpringJUnit4ClassRunner;import com.acts.web.modules.mark.model.Users;import com.lutong.cps.schedule.service.fj.UserAdCountService;@ContextConfiguration({ "classpath:spring-context.xml", "classpath:mongoDB.xml"})@RunWith(SpringJUnit4ClassRunner.class)public class UserTest { @Resource(name = "userAdCountService") private UserAdCountService userAdCountService; @Test public void testDao() { try {  UserAdCount userAdCount = new UserAdCount("hehaitao", "pos001",    DateTime.now().toString("yyyy-MM-dd"));  int count = userAdCountService    .getUserAdCount(userAdCount);  System.out.println(count); } catch (Exception e) {  e.printStackTrace(); } }}