Decimal 结构
定义
重要
一些信息与预发行产品相关,相应产品在发行之前可能会进行重大修改。 对于此处提供的信息,Microsoft 不作任何明示或暗示的担保。
表示十进制浮点数。
public value class System::Decimal : IComparable, IComparable<System::Decimal>, IConvertible, IEquatable<System::Decimal>, IFormattablepublic value class System::Decimal : IComparable, IComparable<System::Decimal>, IConvertible, IEquatable<System::Decimal>, IFormattable, System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializablepublic value class System::Decimal : IComparable, IComparable<System::Decimal>, IConvertible, IEquatable<System::Decimal>, ISpanFormattable, System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializablepublic value class System::Decimal : IComparable<System::Decimal>, IConvertible, IEquatable<System::Decimal>, IParsable<System::Decimal>, ISpanParsable<System::Decimal>, System::Numerics::IAdditionOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::IAdditiveIdentity<System::Decimal, System::Decimal>, System::Numerics::IComparisonOperators<System::Decimal, System::Decimal, bool>, System::Numerics::IDecrementOperators<System::Decimal>, System::Numerics::IDivisionOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::IEqualityOperators<System::Decimal, System::Decimal, bool>, System::Numerics::IFloatingPoint<System::Decimal>, System::Numerics::IFloatingPointConstants<System::Decimal>, System::Numerics::IIncrementOperators<System::Decimal>, System::Numerics::IMinMaxValue<System::Decimal>, System::Numerics::IModulusOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::IMultiplicativeIdentity<System::Decimal, System::Decimal>, System::Numerics::IMultiplyOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::INumber<System::Decimal>, System::Numerics::INumberBase<System::Decimal>, System::Numerics::ISignedNumber<System::Decimal>, System::Numerics::ISubtractionOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::IUnaryNegationOperators<System::Decimal, System::Decimal>, System::Numerics::IUnaryPlusOperators<System::Decimal, System::Decimal>, System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializablepublic value class System::Decimal : IComparable<System::Decimal>, IConvertible, IEquatable<System::Decimal>, IParsable<System::Decimal>, ISpanParsable<System::Decimal>, IUtf8SpanParsable<System::Decimal>, System::Numerics::IAdditionOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::IAdditiveIdentity<System::Decimal, System::Decimal>, System::Numerics::IComparisonOperators<System::Decimal, System::Decimal, bool>, System::Numerics::IDecrementOperators<System::Decimal>, System::Numerics::IDivisionOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::IEqualityOperators<System::Decimal, System::Decimal, bool>, System::Numerics::IFloatingPoint<System::Decimal>, System::Numerics::IFloatingPointConstants<System::Decimal>, System::Numerics::IIncrementOperators<System::Decimal>, System::Numerics::IMinMaxValue<System::Decimal>, System::Numerics::IModulusOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::IMultiplicativeIdentity<System::Decimal, System::Decimal>, System::Numerics::IMultiplyOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::INumber<System::Decimal>, System::Numerics::INumberBase<System::Decimal>, System::Numerics::ISignedNumber<System::Decimal>, System::Numerics::ISubtractionOperators<System::Decimal, System::Decimal, System::Decimal>, System::Numerics::IUnaryNegationOperators<System::Decimal, System::Decimal>, System::Numerics::IUnaryPlusOperators<System::Decimal, System::Decimal>, System::Runtime::Serialization::IDeserializationCallback, System::Runtime::Serialization::ISerializablepublic value class System::Decimal : IComparable, IComparable<System::Decimal>, IConvertible, IEquatable<System::Decimal>, IFormattable, System::Runtime::Serialization::IDeserializationCallbackpublic value class System::Decimal : IComparable, IConvertible, IFormattablepublic value class System::Decimal : IComparable, IComparable<System::Decimal>, IEquatable<System::Decimal>, IFormattablepublic struct Decimal : IComparable, IComparable<decimal>, IConvertible, IEquatable<decimal>, IFormattablepublic readonly struct Decimal : IComparable, IComparable<decimal>, IConvertible, IEquatable<decimal>, IFormattable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializablepublic readonly struct Decimal : IComparable, IComparable<decimal>, IConvertible, IEquatable<decimal>, ISpanFormattable, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializablepublic readonly struct Decimal : IComparable<decimal>, IConvertible, IEquatable<decimal>, IParsable<decimal>, ISpanParsable<decimal>, System.Numerics.IAdditionOperators<decimal,decimal,decimal>, System.Numerics.IAdditiveIdentity<decimal,decimal>, System.Numerics.IComparisonOperators<decimal,decimal,bool>, System.Numerics.IDecrementOperators<decimal>, System.Numerics.IDivisionOperators<decimal,decimal,decimal>, System.Numerics.IEqualityOperators<decimal,decimal,bool>, System.Numerics.IFloatingPoint<decimal>, System.Numerics.IFloatingPointConstants<decimal>, System.Numerics.IIncrementOperators<decimal>, System.Numerics.IMinMaxValue<decimal>, System.Numerics.IModulusOperators<decimal,decimal,decimal>, System.Numerics.IMultiplicativeIdentity<decimal,decimal>, System.Numerics.IMultiplyOperators<decimal,decimal,decimal>, System.Numerics.INumber<decimal>, System.Numerics.INumberBase<decimal>, System.Numerics.ISignedNumber<decimal>, System.Numerics.ISubtractionOperators<decimal,decimal,decimal>, System.Numerics.IUnaryNegationOperators<decimal,decimal>, System.Numerics.IUnaryPlusOperators<decimal,decimal>, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializablepublic readonly struct Decimal : IComparable<decimal>, IConvertible, IEquatable<decimal>, IParsable<decimal>, ISpanParsable<decimal>, IUtf8SpanParsable<decimal>, System.Numerics.IAdditionOperators<decimal,decimal,decimal>, System.Numerics.IAdditiveIdentity<decimal,decimal>, System.Numerics.IComparisonOperators<decimal,decimal,bool>, System.Numerics.IDecrementOperators<decimal>, System.Numerics.IDivisionOperators<decimal,decimal,decimal>, System.Numerics.IEqualityOperators<decimal,decimal,bool>, System.Numerics.IFloatingPoint<decimal>, System.Numerics.IFloatingPointConstants<decimal>, System.Numerics.IIncrementOperators<decimal>, System.Numerics.IMinMaxValue<decimal>, System.Numerics.IModulusOperators<decimal,decimal,decimal>, System.Numerics.IMultiplicativeIdentity<decimal,decimal>, System.Numerics.IMultiplyOperators<decimal,decimal,decimal>, System.Numerics.INumber<decimal>, System.Numerics.INumberBase<decimal>, System.Numerics.ISignedNumber<decimal>, System.Numerics.ISubtractionOperators<decimal,decimal,decimal>, System.Numerics.IUnaryNegationOperators<decimal,decimal>, System.Numerics.IUnaryPlusOperators<decimal,decimal>, System.Runtime.Serialization.IDeserializationCallback, System.Runtime.Serialization.ISerializablepublic struct Decimal : IComparable, IComparable<decimal>, IConvertible, IEquatable<decimal>, IFormattable, System.Runtime.Serialization.IDeserializationCallbackpublic readonly struct Decimal : IComparable, IComparable<decimal>, IConvertible, IEquatable<decimal>, IFormattable, System.Runtime.Serialization.IDeserializationCallback[System.Serializable]
public struct Decimal : IComparable, IConvertible, IFormattable[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public struct Decimal : IComparable, IComparable<decimal>, IConvertible, IEquatable<decimal>, IFormattable[System.Serializable]
[System.Runtime.InteropServices.ComVisible(true)]
public struct Decimal : IComparable, IComparable<decimal>, IConvertible, IEquatable<decimal>, IFormattable, System.Runtime.Serialization.IDeserializationCallbackpublic struct Decimal : IComparable, IComparable<decimal>, IEquatable<decimal>, IFormattabletype decimal = struct
    interface IConvertible
    interface IFormattabletype decimal = struct
    interface IConvertible
    interface IFormattable
    interface IDeserializationCallback
    interface ISerializabletype decimal = struct
    interface IConvertible
    interface ISpanFormattable
    interface IFormattable
    interface IDeserializationCallback
    interface ISerializabletype decimal = struct
    interface IConvertible
    interface IFormattable
    interface IParsable<decimal>
    interface ISpanFormattable
    interface ISpanParsable<decimal>
    interface IAdditionOperators<decimal, decimal, decimal>
    interface IAdditiveIdentity<decimal, decimal>
    interface IComparisonOperators<decimal, decimal, bool>
    interface IEqualityOperators<decimal, decimal, bool>
    interface IDecrementOperators<decimal>
    interface IDivisionOperators<decimal, decimal, decimal>
    interface IFloatingPoint<decimal>
    interface IFloatingPointConstants<decimal>
    interface INumberBase<decimal>
    interface IIncrementOperators<decimal>
    interface IMultiplicativeIdentity<decimal, decimal>
    interface IMultiplyOperators<decimal, decimal, decimal>
    interface ISubtractionOperators<decimal, decimal, decimal>
    interface IUnaryNegationOperators<decimal, decimal>
    interface IUnaryPlusOperators<decimal, decimal>
    interface IModulusOperators<decimal, decimal, decimal>
    interface INumber<decimal>
    interface ISignedNumber<decimal>
    interface IMinMaxValue<decimal>
    interface IDeserializationCallback
    interface ISerializabletype decimal = struct
    interface IConvertible
    interface IFormattable
    interface IParsable<decimal>
    interface ISpanFormattable
    interface ISpanParsable<decimal>
    interface IAdditionOperators<decimal, decimal, decimal>
    interface IAdditiveIdentity<decimal, decimal>
    interface IComparisonOperators<decimal, decimal, bool>
    interface IEqualityOperators<decimal, decimal, bool>
    interface IDecrementOperators<decimal>
    interface IDivisionOperators<decimal, decimal, decimal>
    interface IFloatingPoint<decimal>
    interface IFloatingPointConstants<decimal>
    interface INumberBase<decimal>
    interface IIncrementOperators<decimal>
    interface IMultiplicativeIdentity<decimal, decimal>
    interface IMultiplyOperators<decimal, decimal, decimal>
    interface ISubtractionOperators<decimal, decimal, decimal>
    interface IUnaryNegationOperators<decimal, decimal>
    interface IUnaryPlusOperators<decimal, decimal>
    interface IUtf8SpanFormattable
    interface IUtf8SpanParsable<decimal>
    interface IModulusOperators<decimal, decimal, decimal>
    interface INumber<decimal>
    interface ISignedNumber<decimal>
    interface IMinMaxValue<decimal>
    interface IDeserializationCallback
    interface ISerializabletype decimal = struct
    interface IConvertible
    interface IFormattable
    interface IParsable<decimal>
    interface ISpanFormattable
    interface ISpanParsable<decimal>
    interface IUtf8SpanFormattable
    interface IUtf8SpanParsable<decimal>
    interface IAdditionOperators<decimal, decimal, decimal>
    interface IAdditiveIdentity<decimal, decimal>
    interface IComparisonOperators<decimal, decimal, bool>
    interface IEqualityOperators<decimal, decimal, bool>
    interface IDecrementOperators<decimal>
    interface IDivisionOperators<decimal, decimal, decimal>
    interface IFloatingPoint<decimal>
    interface IFloatingPointConstants<decimal>
    interface IIncrementOperators<decimal>
    interface IMultiplicativeIdentity<decimal, decimal>
    interface IMultiplyOperators<decimal, decimal, decimal>
    interface INumberBase<decimal>
    interface ISubtractionOperators<decimal, decimal, decimal>
    interface IUnaryNegationOperators<decimal, decimal>
    interface IUnaryPlusOperators<decimal, decimal>
    interface IModulusOperators<decimal, decimal, decimal>
    interface INumber<decimal>
    interface ISignedNumber<decimal>
    interface IMinMaxValue<decimal>
    interface IDeserializationCallback
    interface ISerializabletype decimal = struct
    interface IConvertible
    interface IFormattable
    interface IDeserializationCallback[<System.Serializable>]
type decimal = struct
    interface IFormattable
    interface IConvertible[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type decimal = struct
    interface IFormattable
    interface IConvertible[<System.Serializable>]
[<System.Runtime.InteropServices.ComVisible(true)>]
type decimal = struct
    interface IFormattable
    interface IConvertible
    interface IDeserializationCallbacktype decimal = struct
    interface IFormattablePublic Structure Decimal
Implements IComparable, IComparable(Of Decimal), IConvertible, IEquatable(Of Decimal), IFormattablePublic Structure Decimal
Implements IComparable, IComparable(Of Decimal), IConvertible, IDeserializationCallback, IEquatable(Of Decimal), IFormattable, ISerializablePublic Structure Decimal
Implements IComparable, IComparable(Of Decimal), IConvertible, IDeserializationCallback, IEquatable(Of Decimal), ISerializable, ISpanFormattablePublic Structure Decimal
Implements IAdditionOperators(Of Decimal, Decimal, Decimal), IAdditiveIdentity(Of Decimal, Decimal), IComparable(Of Decimal), IComparisonOperators(Of Decimal, Decimal, Boolean), IConvertible, IDecrementOperators(Of Decimal), IDeserializationCallback, IDivisionOperators(Of Decimal, Decimal, Decimal), IEqualityOperators(Of Decimal, Decimal, Boolean), IEquatable(Of Decimal), IFloatingPoint(Of Decimal), IFloatingPointConstants(Of Decimal), IIncrementOperators(Of Decimal), IMinMaxValue(Of Decimal), IModulusOperators(Of Decimal, Decimal, Decimal), IMultiplicativeIdentity(Of Decimal, Decimal), IMultiplyOperators(Of Decimal, Decimal, Decimal), INumber(Of Decimal), INumberBase(Of Decimal), IParsable(Of Decimal), ISerializable, ISignedNumber(Of Decimal), ISpanParsable(Of Decimal), ISubtractionOperators(Of Decimal, Decimal, Decimal), IUnaryNegationOperators(Of Decimal, Decimal), IUnaryPlusOperators(Of Decimal, Decimal)Public Structure Decimal
Implements IAdditionOperators(Of Decimal, Decimal, Decimal), IAdditiveIdentity(Of Decimal, Decimal), IComparable(Of Decimal), IComparisonOperators(Of Decimal, Decimal, Boolean), IConvertible, IDecrementOperators(Of Decimal), IDeserializationCallback, IDivisionOperators(Of Decimal, Decimal, Decimal), IEqualityOperators(Of Decimal, Decimal, Boolean), IEquatable(Of Decimal), IFloatingPoint(Of Decimal), IFloatingPointConstants(Of Decimal), IIncrementOperators(Of Decimal), IMinMaxValue(Of Decimal), IModulusOperators(Of Decimal, Decimal, Decimal), IMultiplicativeIdentity(Of Decimal, Decimal), IMultiplyOperators(Of Decimal, Decimal, Decimal), INumber(Of Decimal), INumberBase(Of Decimal), IParsable(Of Decimal), ISerializable, ISignedNumber(Of Decimal), ISpanParsable(Of Decimal), ISubtractionOperators(Of Decimal, Decimal, Decimal), IUnaryNegationOperators(Of Decimal, Decimal), IUnaryPlusOperators(Of Decimal, Decimal), IUtf8SpanParsable(Of Decimal)Public Structure Decimal
Implements IComparable, IComparable(Of Decimal), IConvertible, IDeserializationCallback, IEquatable(Of Decimal), IFormattablePublic Structure Decimal
Implements IComparable, IConvertible, IFormattablePublic Structure Decimal
Implements IComparable, IComparable(Of Decimal), IEquatable(Of Decimal), IFormattable- 继承
- 属性
- 实现
- 
		IComparable IComparable<Decimal> IConvertible IEquatable<Decimal> IFormattable IDeserializationCallback ISerializable ISpanFormattable IComparable<TSelf> IEquatable<TSelf> IParsable<Decimal> IParsable<TSelf> ISpanParsable<Decimal> ISpanParsable<TSelf> IAdditionOperators<Decimal,Decimal,Decimal> IAdditionOperators<TSelf,TSelf,TSelf> IAdditiveIdentity<Decimal,Decimal> IAdditiveIdentity<TSelf,TSelf> IComparisonOperators<Decimal,Decimal,Boolean> IComparisonOperators<TSelf,TSelf,Boolean> IDecrementOperators<Decimal> IDecrementOperators<TSelf> IDivisionOperators<Decimal,Decimal,Decimal> IDivisionOperators<TSelf,TSelf,TSelf> IEqualityOperators<Decimal,Decimal,Boolean> IEqualityOperators<TSelf,TOther,TResult> IEqualityOperators<TSelf,TSelf,Boolean> IFloatingPoint<Decimal> IFloatingPointConstants<Decimal> IFloatingPointConstants<TSelf> IIncrementOperators<Decimal> IIncrementOperators<TSelf> IMinMaxValue<Decimal> IModulusOperators<Decimal,Decimal,Decimal> IModulusOperators<TSelf,TSelf,TSelf> IMultiplicativeIdentity<Decimal,Decimal> IMultiplicativeIdentity<TSelf,TSelf> IMultiplyOperators<Decimal,Decimal,Decimal> IMultiplyOperators<TSelf,TSelf,TSelf> INumber<Decimal> INumber<TSelf> INumberBase<Decimal> INumberBase<TSelf> ISignedNumber<Decimal> ISignedNumber<TSelf> ISubtractionOperators<Decimal,Decimal,Decimal> ISubtractionOperators<TSelf,TSelf,TSelf> IUnaryNegationOperators<Decimal,Decimal> IUnaryNegationOperators<TSelf,TSelf> IUnaryPlusOperators<Decimal,Decimal> IUnaryPlusOperators<TSelf,TSelf> IUtf8SpanFormattable IUtf8SpanParsable<Decimal> IUtf8SpanParsable<TSelf>
注解
有关此 API 的详细信息,请参阅十进制 的补充 API 备注。
构造函数
| Decimal(Double) | 将 Decimal 的新实例初始化为指定的双精度浮点数的值。 | 
| Decimal(Int32) | 将 Decimal 的新实例初始化为指定的 32 位有符号整数的值。 | 
| Decimal(Int32, Int32, Int32, Boolean, Byte) | 从指定实例构成部分的参数初始化 Decimal 的新实例。 | 
| Decimal(Int32[]) | 将 Decimal 的新实例初始化为以二进制形式表示且包含在指定数组中的十进制值。 | 
| Decimal(Int64) | 将 Decimal 的新实例初始化为指定的 64 位有符号整数的值。 | 
| Decimal(ReadOnlySpan<Int32>) | 将 Decimal 的新实例初始化为以二进制形式表示且包含在指定范围中的十进制值。 | 
| Decimal(Single) | 将 Decimal 的新实例初始化为指定的单精度浮点数的值。 | 
| Decimal(UInt32) | 将 Decimal 的新实例初始化为指定的 32 位无符号整数的值。 | 
| Decimal(UInt64) | 将 Decimal 的新实例初始化为指定的 64 位无符号整数的值。 | 
字段
| MaxValue | 表示 Decimal的最大可能值。 此字段是常量且只读的。 | 
| MinusOne | 表示数字负一(-1)。 | 
| MinValue | 表示 Decimal的最小可能值。 此字段是常量且只读的。 | 
| One | 表示第一个 (1)。 | 
| Zero | 表示数字零(0)。 | 
属性
| Scale | 获取小数的缩放因子,它是一个介于 0 到 28 之间的数字,表示十进制数字的数目。 | 
方法
运算符
显式接口实现
适用于
线程安全性
此类型的所有成员都是线程安全的。 似乎修改实例状态的成员实际上返回使用新值初始化的新实例。 与任何其他类型一样,读取和写入包含此类型的实例的共享变量必须受到锁的保护,以确保线程安全。