id

Documentation

Index

• type DistributedId
  • func (t DistributedId) MarshalJSON() ([]byte, error)
  • func (t *DistributedId) Scan(v interface{}) error
  • func (t *DistributedId) UnmarshalJSON(b []byte) error
  • func (t DistributedId) Value() (driver.Value, error)
• type DistributedIdGenerator
  • func InitDistributedIdGenerator(tenantId string, node int64) (generator *DistributedIdGenerator, err error)
  • func (generator *DistributedIdGenerator) CreateId() DistributedId
• type Model

Types

type DistributedId

type DistributedId int64

func (DistributedId) MarshalJSON

func (t DistributedId) MarshalJSON() ([]byte, error)

MarshalJSON *

• @Description: 重写MarshalJSON方法
• @receiver t
• @return []byte
• @return error

func (*DistributedId) Scan

func (t *DistributedId) Scan(v interface{}) error

Scan 将数据库中取出的数据，赋值给目标类型

func (*DistributedId) UnmarshalJSON

func (t *DistributedId) UnmarshalJSON(b []byte) error

UnmarshalJSON *

• @Description: 重写UnmarshalJSON方法
• @receiver t
• @param b
• @return error

func (DistributedId) Value

func (t DistributedId) Value() (driver.Value, error)

Value 写入数据库之前，对数据做类型转换

type DistributedIdGenerator

type DistributedIdGenerator struct {
	TenantId string
	Node     *snowflake.Node
}

func InitDistributedIdGenerator

func InitDistributedIdGenerator(tenantId string, node int64) (generator *DistributedIdGenerator, err error)

InitDistributedIdGenerator *

• @Description: 初始化分布式ID生成器
• @param tenantId
• @param node
• @return generator
• @return err

func (*DistributedIdGenerator) CreateId

func (generator *DistributedIdGenerator) CreateId() DistributedId

CreateId *

• @Description: 创建一个分布式ID（雪花ID）
• @return DistributedId

type Model

type Model struct {
	ID         DistributedId `json:"id"                     form:"id"     gorm:"column:id;primary_key;type:bigint"`
	CreateTime string        `json:"createTime"             form:"-"       gorm:"column:create_time;index;type:varchar(20)"`
	UpdateTime string        `json:"updateTime,omitempty"   form:"-"       gorm:"column:update_time;type:varchar(20)"`
}