Sesstion class
封装SharedPreferences为单例模式
Constructors
- Sesstion()
-
工厂构造函数 返回实例对象
factory
Properties
- hashCode → int
-
The hash code for this object.
no setterinherited
- runtimeType → Type
-
A representation of the runtime type of the object.
no setterinherited
Methods
-
clear(
) → Future< bool> - 清空存储 并总是返回true
-
getKeys(
) → Future< Set< String> > - 获取所有的key 类型为Set
-
getStorage(
String key) → Future - 获取存储 注意：返回的是一个Future对象 要么用await接收 要么在.then中接收
-
hasKey(
String key) → Future< bool> - 是否包含某个key
-
noSuchMethod(
Invocation invocation) → dynamic -
Invoked when a nonexistent method or property is accessed.
inherited
-
removeStorage(
String key) → Future< bool> - 删除key指向的存储 如果key存在则删除并返回true，否则返回false
-
setStorage(
String key, dynamic value) → dynamic - 设置存储
-
toString(
) → String -
A string representation of this object.
inherited
Operators
-
operator ==(
Object other) → bool -
The equality operator.
inherited