遍历1：

> var mycursor=db.person.find();

> while(mycursor.hasNext()){printjson(mycursor.next())}

{ "_id" : 1, "name" : "张三", "sex" : "男", "age" : 37.3 }

{ "_id" : 2, "name" : "张三", "sex" : "男", "age" : 27.3 }

{ "_id" : 3, "name" : "张三", "sex" : "男", "age" : 27.3 }

{ "_id" : 4, "name" : "李四", "class" : "三班", "score" : 90 }

{ "_id" : 5, "like" : "football", "name" : "王五" }

{

"_id" : ObjectId("5d4190e8c21b717496b2989b"),

"name" : "lisi",

"age" : 13,

"area" : "chaoyang",

"gender" : "male"

}

>

遍历2：

> var mycursor=db.person.find();

> mycursor.forEach(function(obj){printjson(obj)})

{ "_id" : 1, "name" : "张三", "sex" : "男", "age" : 37.3 }

{ "_id" : 2, "name" : "张三", "sex" : "男", "age" : 27.3 }

{ "_id" : 3, "name" : "张三", "sex" : "男", "age" : 27.3 }

{ "_id" : 4, "name" : "李四", "class" : "三班", "score" : 90 }

{ "_id" : 5, "like" : "football", "name" : "王五" }

{

"_id" : ObjectId("5d4190e8c21b717496b2989b"),

"name" : "lisi",

"age" : 13,

"area" : "chaoyang",

"gender" : "male"

}

>

分页：(skip、limit)；

db.person.find().skip((n-1)*m).limit(m); 查询第n页，每一页m条

> var mycursor=db.person.find().skip((1-1)*2).limit(2);　　共两页，第一页

> while(mycursor.hasNext()){printjson(mycursor.next())}

{ "_id" : 1, "name" : "张三", "sex" : "男", "age" : 37.3 }

{ "_id" : 2, "name" : "张三", "sex" : "男", "age" : 27.3 }

>

> var mycursor=db.person.find().skip((2-1)*2).limit(2);　　共两页，第二页

> while(mycursor.hasNext()){printjson(mycursor.next())}

{ "_id" : 3, "name" : "张三", "sex" : "男", "age" : 27.3 }

{ "_id" : 4, "name" : "李四", "class" : "三班", "score" : 90 }

>