Unit class

数据库表列

  name Text not null defalut 'admin'  PRIMARY KEY autoincrement
 |___| |__| |______| |_____________|  |_______________________|
   |     |     |           |                      |
   ⌵     ⌵     ⌵           ⌵                      ⌵
  name  type  nullable  defayltValue           condition

Constructors

Unit(String name, {UnitType type = UnitType.TEXT, List<Constraints> constraints = const <Constraints>[], dynamic defaultValue, bool nullable = false})

const

Unit.bool({required String uName, List<Constraints>? constraints, bool? defaultValue})

创建Boolean类型的字段

factory

Unit.enumerated({required String uName, List<Constraints>? constraints, required Enum defaultValue})

创建枚举类型的字段

factory

Unit.int({required String uName, List<Constraints>? constraints, int? defaultValue})

创建Integer类型的字段

factory

Unit.list({required String uName, List<Constraints>? constraints, List defaultValue = const <String>[]})

创建List类型字段

factory

Unit.map({required String uName, List<Constraints>? constraints, Map<String, String?> defaultValue = const <String, String?>{}})

创建Map类型字段

factory

Unit.num({required String uName, List<Constraints>? constraints, num? defaultValue})

创建num类型的字段。

factory

Unit.primaryKeyId({String? uName})

常用字段 -- ID字段，作为主键且不为空，自增长。

factory

Unit.string({required String uName, List<Constraints>? constraints, String? defaultValue})

创建String类型的字段

factory

Properties

constraints → List<Constraints>

条件，唯一，自增

final

defaultValue → dynamic

默认值

final

hashCode → int

The hash code for this object.

no setter, inherited

name → String

单元名

final

nullable → bool

Constraints.notNull

final

runtimeType → Type

A representation of the runtime type of the object.

no setter, inherited

type → UnitType

int, bigint, b, text

final

Methods

noSuchMethod(Invocation invocation) → dynamic

Invoked when a nonexistent method or property is accessed.

inherited

toString() → String

A string representation of this object.

override

Operators

operator ==(Object other) → bool

The equality operator.

inherited