docker run -p 27018:27017 --name mongo26 -d mongo:2.6

package main

import (
    "context"
    "go.mongodb.org/mongo-driver/bson"

    "github.com/bxcodec/faker"
    "go.mongodb.org/mongo-driver/mongo"
    "go.mongodb.org/mongo-driver/mongo/options"
)

type Model struct {
    A int64 `bson:"a,omitempty"`
}

func main() {
    opts := options.Client().ApplyURI("mongodb://127.0.0.1:27018")
    client, err := mongo.NewClient(opts)
    if err != nil {
        panic(err)
    }

    if err := client.Connect(context.Background()); err != nil {
        panic(err)
    }

    genData(client)
    listData(client)
}

func genData(cli *mongo.Client) {
    var coll = cli.Database("test").Collection("test")
    for i := 0; i < 1001; i++ {
        m := Model{A: faker.RandomUnixTime()}
        if _, err := coll.InsertOne(context.Background(), m); err != nil {
            panic(err)
        }
    }
}

func listData(cli *mongo.Client) {
    var coll = cli.Database("test").Collection("test")
    var data = []Model{}
    var opts = options.Find().SetSkip(0).SetLimit(1000)
    if cursor, err := coll.Find(context.Background(), bson.M{}, opts); err != nil {
        panic(err)
    } else {
        if err = cursor.All(context.Background(), &data); err != nil {
            panic(err)
        }
    }
    println(len(data))
}