package main
import (
       "fmt"
        "github.com/jinzhu/gorm"
        "github.com/sirupsen/logrus"
        _ "github.com/jinzhu/gorm/dialects/sqlite"
        "encoding/json"

)

type Product struct {
    gorm.Model
    Code string
    Price uint
}

func main() {
    fmt.Println("in main")
    db,err :=gorm.Open("sqlite3","test.db")
    if err!=nil{
        panic("数据库连接失败")
    }
    defer db.Close()
    //创建
    db.AutoMigrate(&Product{})
    product:=&Product{Code: "L123",Price:1000}

    json_p,err:= json.Marshal(product)
        if err != nil {
    }
    logrus.Infof("json_p %v",string(json_p))

    db.First(product,1)
    db.First(product,"code = ?","L123")
    db.Model(product).Update("Price",3000)
    db.Delete(product)
}