coins

package

v3.1.32 Latest Latest Go to latest Published: Jul 21, 2026 License: MIT Imports: 11 Imported by: 0

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Stable version
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Repository

github.com/xs23933/core

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Documentation ¶

Index ¶

Constants
Variables
func GetDefaultJSONDecimals() int
func SetDefaultJSONDecimals(decimals int)
type Money
type MoneyJSON
- func (mj MoneyJSON) MarshalJSON() ([]byte, error)

Constants ¶

View Source

const (
	MoneyScale = 8
	MoneyBase  = int64(100000000)
)

Variables ¶

View Source

var ZeroMoney = Money{}

Functions ¶

func GetDefaultJSONDecimals ¶

func GetDefaultJSONDecimals() int

GetDefaultJSONDecimals 获取默认 JSON 输出小数位数

func SetDefaultJSONDecimals ¶

func SetDefaultJSONDecimals(decimals int)

SetDefaultJSONDecimals 设置默认 JSON 输出小数位数 decimals: 0 表示输出所有非零小数位，1-8 表示保留指定位数

Types ¶

type Money ¶

type Money struct {
	// contains filtered or unexported fields
}

func FromInt64 ¶

func FromInt64(v int64) Money

func MustParse ¶

func MustParse[T moneyInput](v T) Money

func New ¶ added in v3.1.22

func New[T moneyInput](v T) Money

New constructs Money from whole or decimal coin units. Use FromInt64 when the value is already scaled by MoneyBase.

func Parse ¶

func Parse[T moneyInput](v T) (Money, error)

func Zero ¶

func Zero() Money

func (Money) Abs ¶

func (m Money) Abs() Money

func (Money) Add ¶

func (m Money) Add(x Money) Money

func (Money) Cmp ¶

func (m Money) Cmp(x Money) int

func (Money) DivInt ¶

func (m Money) DivInt(n int64) Money

func (Money) Float64 ¶

func (m Money) Float64() float64

func (Money) FormatDecimals ¶

func (m Money) FormatDecimals(decimals int) string

FormatDecimals 按指定小数位格式化 decimals: 0 表示输出所有非零小数位，1-8 表示保留指定位数

func (Money) Ge ¶ added in v3.1.22

func (m Money) Ge(x Money) bool

Ge 基于 Cmp 实现的 >=

func (Money) GormDBDataType ¶

func (Money) GormDBDataType(db *gorm.DB, field *schema.Field) string

func (Money) GormDataType ¶

func (Money) GormDataType() string

func (Money) Greater ¶

func (m Money) Greater(x Money) bool

Greater 大于

func (Money) Int64 ¶

func (m Money) Int64() int64

func (Money) IsNegative ¶

func (m Money) IsNegative() bool

func (Money) IsZero ¶

func (m Money) IsZero() bool

func (Money) Le ¶ added in v3.1.22

func (m Money) Le(x Money) bool

Le 基于 Cmp 实现的 <=

func (Money) Less ¶

func (m Money) Less(x Money) bool

Less 小于

func (Money) MarshalJSON ¶

func (m Money) MarshalJSON() ([]byte, error)

func (Money) MarshalJSONWithDecimals ¶

func (m Money) MarshalJSONWithDecimals(decimals int) ([]byte, error)

func (Money) MulInt ¶

func (m Money) MulInt(n int64) Money

func (Money) MulRate ¶

func (m Money) MulRate(rate int64) Money

rate = 1e8 表示小数例如 0.002 -> 200000

func (Money) MulRatio ¶

func (m Money) MulRatio(numerator, denominator int64) Money

floor(m * numerator / denominator)

func (Money) SafeAdd ¶

func (m Money) SafeAdd(x Money) (Money, error)

func (*Money) Scan ¶

func (m *Money) Scan(value any) error

func (Money) String ¶

func (m Money) String() string

func (Money) StringFixed ¶

func (m Money) StringFixed(decimals int) string

func (Money) Sub ¶

func (m Money) Sub(x Money) Money

func (*Money) UnmarshalJSON ¶

func (m *Money) UnmarshalJSON(data []byte) error

func (Money) Value ¶

func (m Money) Value() (driver.Value, error)

type MoneyJSON ¶

type MoneyJSON struct {
	Money
	Decimals int
}

MoneyJSON 用于临时指定小数位的包装器

func (MoneyJSON) MarshalJSON ¶

func (mj MoneyJSON) MarshalJSON() ([]byte, error)

Source Files ¶

View all Source files

money.go

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