動機：使用原型實例指定創建對象的種類，然后通過拷貝這些原型來創建新的對象。某些結構復雜對象面臨著劇烈變化，但擁有比較穩定一致的接口，如何隔離出這些易變對象，使客戶程序不隨之改變？

場景：ThinkPad的主板和CPU有多種，根據系列不同，如何根據已有的硬盤和CPU生產新的主板和CPU。

結構




代碼實現

namespace?DesignPattern.Prototype
{
????public?abstract?class?CPU
????{
????????public?abstract?CPU?Clone();

????????//?打上流水線序列號之類每個克隆品不同的屬性
????????public?abstract?void?DoSomething();
????}

????public?class?T43CPU?:?CPU
????{
????????public?override?CPU?Clone()
????????{
????????????return?(CPU)this.MemberwiseClone();
????????}

????????public?override?void?DoSomething()
????????{
????????}
????}

????public?class?T60CPU?:?CPU
????{
????????public?override?CPU?Clone()
????????{
????????????return?(CPU)this.MemberwiseClone();
????????}

????????public?override?void?DoSomething()
????????{
????????}
????}
}
namespace?DesignPattern.Prototype
{
????public?abstract?class?Mainboard
????{
????????public?abstract?Mainboard?Clone();

????????//?打上流水線序列號之類每個克隆品不同的屬性
????????public?abstract?void?DoSomething();
????}

????public?class?T43Mainboard?:?Mainboard
????{
????????public?override?Mainboard?Clone()
????????{
????????????return?(Mainboard)this.MemberwiseClone();
????????}

????????public?override?void?DoSomething()
????????{
????????}
????}

????public?class?T60Mainboard?:?Mainboard
????{
????????public?override?Mainboard?Clone()
????????{
????????????return?(Mainboard)this.MemberwiseClone();
????????}

????????public?override?void?DoSomething()
????????{
????????}
????}
}
/**//*
?*動機：使用原型實例指定創建對象的種類，然后通過拷貝這些原型來創建新的對象。某些結構復雜對象面臨著劇烈變化，但擁有比較穩定一致的接口，如何隔離出這些易變對象，使客戶程序不隨之改變？
?*場景：ThinkPad的主板和CPU有多種，根據系列不同，如何根據已有的硬盤和CPU生產新的主板和CPU。
*/
namespace?DesignPattern.Prototype
{
????public?class?ThinkPadFactory
????{
????????public?Mainboard?CreateMainboard(Mainboard?mainBoard)
????????{
????????????Mainboard?mainBoardCopy?=?mainBoard.Clone();
????????????mainBoardCopy.DoSomething();
????????????return?mainBoard;
????????}

????????public?CPU?CreateCPU(CPU?cpu)
????????{
????????????CPU?cpuCopy?=?cpu.Clone();
????????????cpu.DoSomething();
????????????return?cpu;
????????}
????}
}

轉載于:https://www.cnblogs.com/Charly/archive/2007/06/06/773482.html

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