static void Main(string[] args)
{
Operation oper;
oper = OperationFactory.CreateOperate("+");
oper.NumberA = 1;
oper.NumberB = 2;
Console.WriteLine(oper.GetResult());
oper = OperationFactory.CreateOperate("-");
oper.NumberA = 1;
oper.NumberB = 2;
Console.WriteLine(oper.GetResult());
oper = OperationFactory.CreateOperate("*");
oper.NumberA = 1;
oper.NumberB = 2;
Console.WriteLine(oper.GetResult());
try
{
oper = OperationFactory.CreateOperate("/");
oper.NumberA = 1;
oper.NumberB = 0;
Console.WriteLine(oper.GetResult());
}
catch (Exception e)
{
Console.WriteLine("异常：" + e.Message);
}
Console.ReadLine();
}
static void Main(string[] args)
{
try
{
Operation oper;
Console.WriteLine("请输入数字A：");
string strNumberA = Console.ReadLine();
Console.WriteLine("请输入运算符号(+、-、*、/)：");
string strOperate = Console.ReadLine();
oper = OperationFactory.createOperate(strOperate);
Console.WriteLine("请输入数字B：");
string strNumberB = Console.ReadLine();
oper.NumberA = Convert.ToDouble(strNumberA);
oper.NumberB = Convert.ToDouble(strNumberB);
double strResult = oper.GetResult();
Console.WriteLine("结果是：" + strResult);
Console.ReadKey();
}
catch (Exception ex)
{
throw new Exception(ex.Message);
}
}
public static void Main(string[] args)
{
var oper = OperationFactory.CreateOperation("+");
oper.NumberA = 2.1;
oper.NumberB = 1.2;
Console.WriteLine($"Opertaion: {oper.NumberA} + {oper.NumberB}, result:{oper.GetResult()}");
Console.ReadLine();
}
private static void Main(string[] args)
{
var operation = OperationFactory.CreateOperation("*");
operation.numberA = 10;
operation.numberB = 20;
var result = operation.GetOperstionResult();
Console.WriteLine("运算的结果为：" + result);
Console.ReadLine();
}
static void Main(string[] args)
{
Operation oper;
oper = OperationFactory.creatOperation("+");
oper.NumberA = 12;
oper.NumberB = 1;
double result = oper.GetResult();
Console.WriteLine(result);
Console.ReadKey();
}
static void Main(string[] args)
{
Operation operation = OperationFactory.CreateOperation("-");
operation.NumberA = 1;
operation.NumberB = 2;
var result = operation.Calculate();
System.Console.WriteLine(result);
System.Console.ReadKey();
}
static void Main(string[] args)
{
//Console.Write("输入A：");
//double numberA = Convert.ToDouble(Console.ReadLine());
//Console.Write("选择运算符(+、-、*、/、) ：");
//string strOper = Console.ReadLine();
//Console.Write("输入B ：");
//double numberB = Convert.ToDouble(Console.ReadLine());
Operation oper = OperationFactory.CreateOperate("+");
oper.NumberA = 1;
oper.NumberB = 2;
double result = oper.GetResult();
//Console.ReadLine();
}
static void Main(string[] args)
{
//simple factory
IProduct product = Factory.Create();
product.Display();
//Example as below
Operation operation = OperationFactory.CreateOperate("+");
operation.NumberA = 10;
operation.NumberB = 5;
Console.WriteLine(operation.GetResult());
Console.ReadKey();
}
static void Main(string[] args)
{
Operation oper;
oper = OperationFactory.CreateOperate("+");
oper.NumberA = 1;
oper.NumberB = 2;
double result = oper.GetRestult();
Console.WriteLine(result);
//策略模式
Context context;
context = new Context(new ContreteStrategyA());
context.ContextInterface();
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("请输入第一个数字：");
var strNunmberA = Console.ReadLine();
Console.WriteLine("请选择运算符（+、-、*、、）：");
var strOperate = Console.ReadLine();
Console.WriteLine("请输入第二个数字：");
var strNunmberB = Console.ReadLine();
var oper = OperationFactory.CreaOperation(strOperate);
oper.NumberA = Convert.ToDouble(strNunmberA);
oper.NumberB = Convert.ToDouble(strNunmberB);
var result = oper.GetResult();
Console.WriteLine(result);
Console.ReadLine();
}
static void Main(string[] args)
{
//1.抽象类实现
var product = Structural.Factory.CreateProduct();
Console.WriteLine("Created {0}", product.GetType().Name);
//2.接口实现
var product2 = StructuralInterfaceImplementation.Factory.Create();
product2.Display();
//3.计算器练习
Operation operateion = OperationFactory.CreateOperate("+");
operateion.NumberA = 10;
operateion.NumberB = 5;
Console.WriteLine(operateion.GetResult());
//4.银行支付练习
var orderService = new OrderService();
orderService.CreateOrder("ICBC");
Console.ReadLine();
/*
*
* 5.1 简单工厂模式优点
* ◊ 实现创建和使用分离；
* ◊ Client无需知道所创建的ConcreteProduct类名，只需要知道ConcreteProduct所对应的参数。
* 5.2 简单工厂模式缺点
* ◊ Factory类集中所有ConcreteProduct的创建逻辑，职责过重。一旦需要添加新的ConcreteProduct，则需要修改Factory逻辑。这样违背了OCP（开放-关闭原则）。
* ◊ 由于使用了static方法，造成Factory无法形成基于继承的结构。
*
*/
}
