gorm.io/driver/mysql v1.5.7 gorm.io/gen v0.3.26 gorm.io/gorm v1.25.11

package datasource

import ( "fmt" "github.com/bwmarrin/snowflake" "gorm.io/gorm" )

type DbFieldPlugin struct{}

func (op *DbFieldPlugin) Name() string { return "dbFieldPlugin" }

func (op DbFieldPlugin) Initialize(db gorm.DB) (err error) { // 创建字段的时候雪花算法生成id _ = db.Callback().Create().Before("gorm:create").Replace("id", func(db *gorm.DB) { snowflake.NodeBits = 2 snowflake.StepBits = 10 node, _ := snowflake.NewNode(1) id := node.Generate() db.Statement.SetColumn("id", fmt.Sprintf("%d", id)) }) return }

------------------------------------------------------------------

package model

import ( "gorm.io/gorm" )

const TableNameFolder = "folder"

// Folder mapped from table type Folder struct { ID int64 gorm:"column:id;primaryKey;comment:表ID" json:"id" // 表ID UserID *int64 gorm:"column:user_id;comment:用户ID" json:"-" // 用户ID }

// TableName Folder's table name func (*Folder) TableName() string { return TableNameFolder }

func (u Folder) BeforeCreate(tx gorm.DB) (err error) { return }

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