//++++++++++++++++++++++++++++++++++++++++
// 《Go Web编程实战派从入门到精通》源码
//++++++++++++++++++++++++++++++++++++++++
// Author:廖显东（ShirDon）
// Blog:https://www.shirdon.com/
// 仓库地址：https://gitee.com/shirdonl/goWebActualCombat
// 仓库地址：https://github.com/shirdonl/goWebActualCombat
//++++++++++++++++++++++++++++++++++++++++

package main

import (
	"context"
	"fmt"
	"go.mongodb.org/mongo-driver/mongo"
	"go.mongodb.org/mongo-driver/mongo/options"
	"time"
)
func main() {
	var (
		client     *mongo.Client
		err        error
		db         *mongo.Database
		collection *mongo.Collection
	)
	//1.建立连接
	if client, err = mongo.Connect(context.TODO(), options.Client().ApplyURI("mongodb://localhost:27017").SetConnectTimeout(5*time.Second)); err != nil {
		fmt.Print(err)
		return
	}
	//2.选择数据库 my_db
	db = client.Database("my_db")

	//3.选择表 my_collection
	collection = db.Collection("my_collection")
	collection = collection
}