Spring Mongodb的配置
<?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-3.0.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-3.0.xsd">
<bean id="properties" class="org.springframework.beans.factory.config.PropertyPlaceholderConfigurer">
<property name="locations">
<list>
<value>/WEB-INF/classes/system.properties</value>
<!--<value>system.properties</value> -->
</list>
</property>
</bean>
<!--Mongo 注入 -->
<mongo:mongo host="${mongodb.host}" port="${mongodb.port}" />
<bean id="mongoTemplate" class="org.springframework.data.mongodb.core.MongoTemplate">
<constructor-arg ref="mongo" />
<constructor-arg name="databaseName" value="${mongodb.dbname}" />
</bean>
</beans>
例子:
public class Solo { private String id; private String name; public String getId() { return id; } public void setId(String id) { this.id = id; } public String getName() { return name; } public void setName(String name) { this.name = name; } public Solo(String id , String name){ this.id = id; this.name = name; } } public class SpringMongoTest { public static void main(String[] args) { ApplicationContext context = new GenericXmlApplicationContext( "spring/*.xml"); MongoTemplate mt = (MongoTemplate)context.getBean("mongoTemplate"); add(mt); System.out.println("done"); } //添加 public static void add(MongoTemplate mt){ Solo solo = new Solo("2","wang_2"); List<Solo> soloList = new ArrayList<Solo>(); // 将solo对象保存到"solo"这个collection中 mt.save(solo); // 将solo对象保存到"wmlSolo"这个collection中 mt.save(solo,"wmlSolo"); // 将solo对象保存到"solo"这个collection中 mt.insert(solo); // 将solo对象保存到"wmlSolo"这个collection中 mt.insert(solo, "wmlSolo"); // 将solo的对象列表(List)保存到"solo"collection中去 mt.insert(soloList); // 将solo的对象列表(List)保存到"wmlSolo"collection中去 mt.insert( soloList,"wmlSolo" ); } Spring mongodb中,当没有指定collection时,就会把对象保存到以对象命名的collection中。 save和insert的区别: 1)save是,当记录不存在时插入,当记录已存在是更新,实际上就是saveorupdate的意思。 2) insert是:当记录不存在时插入,而如果记录存在时则忽略,继续插入下条。