C # Big talk design pattern code

Cashier procedure 1: Implementation of the simple factory Model

Using system;
Using system. Data;
Using system. configuration;
Using system. collections;
Using system. Web;
Using system. Web. Security;
Using system. Web. UI;
Using system. Web. UI. webcontrols;
Using system. Web. UI. webcontrols. webparts;
Using system. Web. UI. htmlcontrols;
/// <Summary>
/// Simple factory mode implementation
/// </Summary>
Public partial class module_study_designpatter: system. Web. UI. Page
{
/// <Summary>
/// Cash receipt
/// </Summary>
Abstract class cashsuper
{
Public abstract double acceptcash (double money );
}
/// <Summary>
/// Normal charges
/// </Summary>
Public class normalcash: cashsuper
{
Public override double acceptcash (double money)
{
Throw money;
}
}
/// <Summary>
/// Discount
/// </Summary>
Public class rebatecash: cashsuper
{
Double _ moneyrebate = 1D;
Public double moneyrebate
{
Set {_ moneyrebate = value ;}
Get {return _ moneyrebate ;}

}
Public rebatecash (double moneyrebate)
{
Moneyrebate = moneyrebate;
}
Public override double acceptcash (double money)
{
Return moneyrebate * money;
}
}
/// <Summary>
/// Pay-as-you-go
/// </Summary>
Public class returncash: cashsuper
{
Double _ moneycondition = 0.0d;
Double _ moneyreturn = 0.0d;
Public returncash (double moneycondition, double moneyreturn)
{
_ Moneycondition = moneycondition;
_ Moneyreturn = moneyreturn;

}
Public override double acceptcash (double money)
{
Double result;
If (money> _ moneycondition)
{
Result = money-math. Floor (money/_ moneycondition) * _ moneyreturn;
}
}
}
/// <Summary>
/// Paid Factory
/// </Summary>
Class cashfactory
{
Public static cashsuper createcash (string cashtype)
{
Cashsuper cs = NULL;
Switch (cashtype)
{
Case "normal charges ":
Cs = new normalcash ();
Break;
Case "free 00 at 300 ":
Cs = new returncash (300366d, 100.d );
Break;
Case "":
Cs = new rebatecash (0.8d );
Break;
}
Return Cs;

}

}
Protected void page_load (Object sender, eventargs E)
{

}
}

Cashier Procedure 2: Rule Mode

Using system;
Using system. Data;
Using system. configuration;
Using system. collections;
Using system. Web;
Using system. Web. Security;
Using system. Web. UI;
Using system. Web. UI. webcontrols;
Using system. Web. UI. webcontrols. webparts;
Using system. Web. UI. htmlcontrols;
/// <Summary>
/// Implementation Method of policy Mode
/// </Summary>
Public partial class module_study_strategypatter: system. Web. UI. Page
{
/// <Summary>
/// Billing policy
/// </Summary>
Class cashcontext
{
/// <Summary>
/// Define the cash receipt class
/// </Summary>
Cashsuper Cs;
/// <Summary>
/// Set the policy action. The parameter is the specific cash charge type.
/// </Summary>
/// <Param name = "csuper"> </param>
Public void setbehavior (cashsuper csuper)
{
This. cs = csuper;
}
/// <Summary>
/// Obtain the cash promotion Calculation Result
/// </Summary>
/// <Param name = "money"> </param>
/// <Returns> </returns>
Public double getresult (double money)
{
Return CS. acceptcash (money );
}

}
/// <Summary>
/// Cash receipt
/// </Summary>
Abstract class cashsuper
{
Public abstract double acceptcash (double money );
}
/// <Summary>
/// Normal charges
/// </Summary>
Public class normalcash: cashsuper
{
Public override double acceptcash (double money)
{
Throw money;
}
}
/// <Summary>
/// Discount
/// </Summary>
Public class rebatecash: cashsuper
{
Double _ moneyrebate = 1D;
Public double moneyrebate
{
Set {_ moneyrebate = value ;}
Get {return _ moneyrebate ;}

}
Public rebatecash (double moneyrebate)
{
Moneyrebate = moneyrebate;
}
Public override double acceptcash (double money)
{
Return moneyrebate * money;
}
}
/// <Summary>
/// Pay-as-you-go
/// </Summary>
Public class returncash: cashsuper
{
Double _ moneycondition = 0.0d;
Double _ moneyreturn = 0.0d;
Public returncash (double moneycondition, double moneyreturn)
{
_ Moneycondition = moneycondition;
_ Moneyreturn = moneyreturn;

}
Public override double acceptcash (double money)
{
Double result;
If (money> _ moneycondition)
{
Result = money-math. Floor (money/_ moneycondition) * _ moneyreturn;
}
}
}
/// <Summary>
/// Paid Factory
/// </Summary>
Class cashfactory
{
Public static cashsuper createcash (string cashtype)
{
Cashsuper cs = NULL;
Switch (cashtype)
{
Case "normal charges ":
Cs = new normalcash ();
Break;
Case "free 00 at 300 ":
Cs = new returncash (300366d, 100.d );
Break;
Case "":
Cs = new rebatecash (0.8d );
Break;
}
Return Cs;

}

}
Protected void page_load (Object sender, eventargs E)
{

}
}

Comment: In this way, the change point is handed back to the client, so that the client must know the policy, so further improvement is required ..