Spring需要的一些包,这里就不多说了
Spring配置文件:
<?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:p="http://www.springframework.org/schema/p"
xsi:schemaLocation="http://www.springframework.org/schema/beans http://www.springframework.org/schema/beans/spring-beans-3.0.xsd">
<bean id="mongo" class="com.mongodb.Mongo">
<constructor-arg value="127.0.0.1"></constructor-arg>
<constructor-arg value="27017"></constructor-arg>
</bean>
<bean id="morphia" class="com.google.code.morphia.Morphia">
</bean>
<bean id="myEntityDao" class="dao.MyEntityDao">
<constructor-arg ref="mongo"></constructor-arg>
<constructor-arg ref="morphia"></constructor-arg>
<constructor-arg value="mydb"></constructor-arg>
</bean>
</beans>
morphia可以根据具体的需求重写
dao层的代码:
public class MyEntityDao extends BasicDAO<MyEntity, ObjectId>{
private Datastore ds;
protected MyEntityDao(Mongo mongo, Morphia morphia, String dbName) {
super(mongo, morphia, dbName);
ds = morphia.createDatastore(mongo,dbName);
}
public List<MyEntity> getList(){
return ds.find(MyEntity.class).asList();
}
}
测试代码:
public static void main(String[] args) {
ApplicationContext context =new ClassPathXmlApplicationContext("applicationContext.xml");
MyEntityDao myEntityDao=(MyEntityDao) context.getBean("myEntityDao");
System.out.println("hello");
List<MyEntity> list= myEntityDao.getList();
System.out.println(list.size());
for(int i=0;i<list.size();i++){
System.out.println(list.get(i).name);
}
}
这只是一种配置方法,还有其他的:
http://blog.csdn.net/liuzhoulong/archive/2011/01/17/6147410.aspx