// 与简单工厂模式相结合，根据type，context决定用那种策略。主程序就只需要知道CashContext类，而具体策略类也可以不知道。
// 至于这里具体的实现，根据不同的情况，需要的参数不同可以根据重载来实现
public CashContext(string type)
{
switch (type)
{
case "正常":
_cal = new CashNormal();break;
case "打折":
_cal = new CashRate(0.8);break;
case "返现":
_cal = new CashReturn(300, 100);break;
default:
throw new Exception("选择打折错误！");
}
}
public CashFactoryAndContent(string cashType)
{
switch (cashType)
{
case "正常": cs = new CashNormal();
break;
case "满三百返一百": cs = new CashReturn(300, 100);
break;
case "打0.8折": cs = new CashDisCount(0.8);
break;
default:
break;
}
}
public CashContext(string type)
{
switch (type)
{
case "正常收费":
cashSuper = new CashNormal();
break;
case "满300返100":
cashSuper = new CashReturn("300", "100");
break;
case "打8折":
cashSuper = new CashRebate("0.8");
break;
}
}
public CashContext(string type)
{
switch (type)
{
case "normal":
cash = new CashNormal();
break;
case "100per300":
cash = new CashReturn(300, 100);
break;
case "0.8":
cash = new CashRebate(0.8);
break;
default:
break;
}
}
public CashContext(string type)
{
switch (type)
{
case "正常收费":
CashNormal cs0 = new CashNormal();
cs = cs0;
break;
case "满300返100":
CashReturn cs1 = new CashReturn("300", "100");
cs = cs1;
break;
case "打8折":
CashRebate cs2 = new CashRebate("0.8");
cs = cs2;
break;
}
}
public static CashSuper CreateCashAccept(string type)
{
CashSuper cs = null;
switch (type)
{
case "正常收费":
cs = new CashNormal();
break;
case "满300返100":
cs = new CashReturn("300", "100");
break;
case "打8折":
cs = new CashRebate("0.8");
break;
default: break;
}
return(cs);
}
public CashContext(CashSuper cal)
{
_cal = cal;
}
public CashContext(CashSuper csuper)
{
this.cs = csuper;
}
/// <summary>
/// 初始化传入策略对象
/// </summary>
/// <param name="cs"></param>
public CashContent(CashSuper cs)
{
this.cs = cs;
}
/// <summary>
/// 工厂模式运行
/// </summary>
static void RunFactory()
{
CashSuper cash = CashFactory.CreateCashAccept("打折收费");
Console.WriteLine(cash.AcceptCash(800));
}
