package main

import (
	"context"
	"fmt"
	"time"

	"gorm.io/driver/postgres"
	"gorm.io/gorm"
)

type User struct {
	Id             int8
	CreateTime     time.Time
	LastUpdateTime time.Time
	Name           string
	Account        string
	Passwd         string
}

func main() {
	fmt.Println("程序启动！")
	dsn := "host=localhost " +
		"user=gatekeeper " +
		"dbname=crimson " +
		"sslmode=disable " +
		"port=5432 " +
		"password=crimson " +
		"connect_timeout=20 "
	db, err := gorm.Open(postgres.Open(dsn), &gorm.Config{})
	if err != nil {
		panic("无法连接数据库")
	}
	fmt.Println("数据库连线完成")
	ctx := context.Background()

	usr, err := gorm.G[User](db).First(ctx)
	if err != nil {
		panic(err)
	}
	fmt.Println(usr)
	fmt.Println("程序结束")
}