//定义Student类型
public class Student : Entity
{
	[BsonIndex]		//设置索引
	public string Name { get; set; }
	public int Age { get; set; }
}    
//定义Teacher类型
public class Teacher : Entity
{
    	public string Name { get; set; }
    	public int Age { get; set; }
}
//定义RefEntity类型，该类型中含有子集及其操作
public class Grade : RefEntity
{
    	public string Name { get; set; }
}

//定义上下文
public class TestDBContext : MongoDBContext
{
	public TestDBContext() : base("TestDBContext")		//TestDBContext为配置文件中的节点
	{ }

	public override void OnRegisterModel(ITypeRegistration registration)
	{
		registration.RegisterType<Student>().RegisterType<Student>(Teacher).RegisterType<Grade>();
	}
}

//在程序运行伊始，写入如下两段代码进行注册
MongoDBRepository.RegisterMongoDBContext(new TestDBContext());		//注册上下文
MongoDBRepository.RegisterMongoIndex();					//注册索引

//配置文件中的MongoDB连接字符串节点
<configuration>
	<connectionStrings>
		<add name="TestDBContext" connectionString="mongodb://localhost:27017/TestMongo"/>
	</connectionStrings>
</configuration>

//Entity使用
//单实体保存
Student student = new Student()
student.Name = "hyf";
student.Age = 30;
student.Save();

//集合保存
MongoEntity.Save(new List<Student>() {
    new Student{ Name="hyf", Age=33 },
    new Student{ Name="zhc", Age=30 }
});

//查询
MongoEntity.Get<Student>(student.Id);
MongoEntity.Get<Student>(s => s.Name == "hyf" && s.Age > 33);
MongoEntity.Select<Student>(s => s.Age == 30).ToList();
MongoEntity.Select<Student>(s => s.Age >= 19 && s.Age <= 22, s => s.Age, pageIndex=1, pageSize=2, out pageCount, out allCount).ToList();

//删除
MongoEntity.RemoveAll<Student>(e => e.Name == "hyf");

//统计
MongoEntity.Count<Student>(s => s.Age == 30)

//更多操作请参考MongoEntity

//=================================================================================================================
//RefEntity使用
//保存
grade = new Grade();
grade.Name = "No1";
foreach (Student student in students)
    grade.Add<Student>(student);
foreach (Teacher teacher in teachers)
    grade.Add<Teacher>(teacher);
grade.Update();		//保存grade实例及其子集，如使用grade.save()，则只保存grade实例，不保存子集。

//查询子集
grade.Pick<Student>("BsonId string").Name

//统计子集
grade.Count<Student>()	//统计当前子集中的Student类型

//更多关于自己的操作如查询，判断，删除等请参考IRefEntity接口