我试图创建一个基类,在所有派生类之间共享一些功能。所有派生类都应该是单身人士。下面是一个伪示例。
class ExtensionSettings
{
public string GetConfigHtml()
{
// creat conifig html for all properties
}
public void SaveSettings()
{
// save stuff
}
}
class SettingsA : ExtensionSettings
{
private static SettingsA instance;
public static SettingsA Instance {get {return instance ?? (instance = new SettingsA());}}
public string setting1{get;set;}
public string setting2{get;set;}
}
class SettingsB : ExtensionSettings
{
private static SettingsB instance;
public static SettingsB Instance {get {return instance ?? (instance = new SettingsB());}}
public string setting1{get;set;}
public string setting2{get;set;}
}
static void Main(string[] args)
{
System.Console.WriteLine(SettingsA.Instance.setting1);
System.Console.WriteLine(SettingsB.Instance.setting2);
}
是否可以将实例化部分移动到ExtensionSettings基类?
基类不知道要实例化的其余对象。基本上,当您从基类派生时,派生类中添加的额外逻辑将从基类中隐藏。因此,在基类中进行实例化是不可能的。