go web app 6 mongodb insert

 

object inserted

//cmd

C:\Users\bob\golang3>go run main.go

&{ObjectID("5f9433922ba504d267c1aad3")}

package main

import (

"context"

"fmt"

"log"

"time"

"go.mongodb.org/mongo-driver/bson"

"go.mongodb.org/mongo-driver/mongo"

"go.mongodb.org/mongo-driver/mongo/options"

)

func main() {

client, err := mongo.NewClient(options.Client().ApplyURI("mongodb+srv://bob:password@cluster0.yvyo2.mongodb.net/test?retryWrites=true&w=majority"))

if err != nil {

log.Fatal(err)

}

ctx, _ := context.WithTimeout(context.Background(), 100*time.Second)

err = client.Connect(ctx)

if err != nil {

log.Fatal(err)

}

defer client.Disconnect(ctx)

trainingDatabase := client.Database("sample_training")

gradesCollection := trainingDatabase.Collection("grades")

gradeInsert, err := gradesCollection.InsertOne(ctx, bson.D{

{"student_id", 123},

{"class_id", 456},

{"scores", bson.A{

bson.D{{"exam", 100}},

bson.D{{"quize", 100}},

bson.D{{"homework", 100}},

bson.D{{"homework", 100}},

}},

})

if err != nil {

log.Fatal(err)

}

fmt.Println(gradeInsert)

}

reference:

https://www.youtube.com/watch?v=WEYtAKYbB6k

http://chuanshuoge2.blogspot.com/2020/10/go-web-app-5-mongodb-retrive-and-query_22.html