MongoDB中怎么实现分页显示

MongoDB中怎么实现分页显示，很多新手对此不是很清楚，为了帮助大家解决这个难题，下面小编将为大家详细讲解，有这方面需求的人可以来学习下，希望你能有所收获。

在MongoDB里面的数据分页显示也是符合大数据要求的操作函数：
skip(n)：表示跨过多少数据行；
limit(n)：取出的数据行的个数限制。

范例：分页显示（第一页，skip(0)、limit(5)）
> db.emp.find().skip(0).limit(5).sort({"age":-1}).pretty();
{
"_id" : ObjectId("599108423268c8e84253be2c"),
"name" : "郑七",
"sex" : "女",
"age" : 50,
"sal" : 4700,
"loc" : "成都"
}
{
"_id" : ObjectId("599108423268c8e84253be28"),
"name" : "孙三",
"sex" : "男",
"age" : 40,
"sal" : 2000,
"loc" : "深圳"
}
{
"_id" : ObjectId("599148bf0184ff511bf02b95"),
"name" : "林E",
"sex" : "男",
"age" : 40,
"sal" : 8000,
"loc" : "北京",
"course" : [
"语文",
"政治"
],
"parents" : [
{
"name" : "林E父亲",
"age" : 70,
"job" : "工人"
},
{
"name" : "林E母亲",
"age" : 68,
"job" : "局长"
}
]
}
{
"_id" : ObjectId("599108433268c8e84253be2d"),
"name" : "王八",
"sex" : "男",
"age" : 35,
"sal" : 8000,
"loc" : "北京"
}
{
"_id" : ObjectId("599129a00184ff511bf02b87"),
"name" : "刘A",
"sex" : "男",
"age" : 35,
"sal" : 8000,
"loc" : "北京",
"course" : [
"语文",
"数学",
"英语",
"音乐",
"政治"
]
}

范例：分页显示（第二页，skip(5)、limit(5)）
> db.emp.find().skip(5).limit(5).sort({"age":-1}).pretty();
{
"_id" : ObjectId("599129a00184ff511bf02b88"),
"name" : "刘B",
"sex" : "男",
"age" : 35,
"sal" : 8000,
"loc" : "北京",
"course" : [
"语文",
"数学"
]
}
{
"_id" : ObjectId("599129a00184ff511bf02b89"),
"name" : "刘C",
"sex" : "男",
"age" : 35,
"sal" : 8000,
"loc" : "北京",
"course" : [
"语文",
"数学",
"英语"
]
}
{
"_id" : ObjectId("599129a00184ff511bf02b8a"),
"name" : "刘D",
"sex" : "男",
"age" : 35,
"sal" : 8000,
"loc" : "北京",
"course" : [
"语文",
"数学",
"政治"
]
}
{
"_id" : ObjectId("599129a20184ff511bf02b8b"),
"name" : "刘E",
"sex" : "男",
"age" : 35,
"sal" : 8000,
"loc" : "北京",
"course" : [
"语文",
"政治"
]
}
{
"_id" : ObjectId("599148bd0184ff511bf02b93"),
"name" : "林C",
"sex" : "男",
"age" : 35,
"sal" : 8000,
"loc" : "北京",
"course" : [
"语文",
"数学",
"英语"
],
"parents" : [
{
"name" : "林C父亲",
"age" : 60,
"job" : "工人"
},
{
"name" : "林C母亲",
"age" : 59,
"job" : "职员"
}
]
}

看完上述内容是否对您有帮助呢？如果还想对相关知识有进一步的了解或阅读更多相关文章，请关注行业资讯频道，感谢您对的支持。