/// <summary>
/// 此函数完成计算器的简单计算
/// </summary>
/// <param name="args">输入参数</param>
static void Main(string[] args)
{
/*
* GetResult(); //利用简单的函数完成计算器功能
*
* //下面是利用类的封装完成计算机功能
* //利用简单的封装完成了业务的封装，使得程序之间的耦合性大大降低，可维护性大大增强，程序变得可复用和可扩展
* Console.Write("Please input the num A:");
* string a = Console.ReadLine();
* Console.Write("Please input the operator:");
* string operatorStr=Console.ReadLine();
* Console.Write("Please input the num B:");
* string b = Console.ReadLine();
* double result = Operation.GetResult(Convert.ToDouble(a), Convert.ToDouble(b), operatorStr);
* Console.Write(result.ToString());
* Console.ReadKey();
* */
Console.Write("Please input the num A:");
string a = Console.ReadLine();
Console.Write("Please input the operator:");
string operatorStr = Console.ReadLine();
Console.Write("Please input the num B:");
string b = Console.ReadLine();
Operation oper = OperationFactory.CreateOperation(operatorStr);
oper.NumberA = Convert.ToDouble(a);
oper.NumberB = Convert.ToDouble(b);
double result = oper.GetResult();
Console.Write(result.ToString());
Console.ReadKey();
}
static void Main(string[] args)
{
Operation op = OperationFactory.CreateOperation("+");
op.NumberA = 10;
op.NumberB = 20;
Console.WriteLine(op.GetResult());
}
static void Main(string[] args)
{
Operation o = OperationFactory.CreateOperation("+");
o.NumberA = 5;
o.NumberB = 4;
Console.WriteLine(o.Method());
Console.Read();
}
static void Main(string[] args)
{
string oper = string.Empty;
Operation operation = new Operation();
Console.Title = "简单工厂模式";
Console.WriteLine("加减乘除：+-*/");
Console.WriteLine("请输入运算法则：");
oper = Console.ReadKey().KeyChar.ToString();
operation = OperationFactory.CreateOperation(oper);
Console.WriteLine("\n请输入第一个数字：");
operation.NumberA = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("请输入第二个数字：");
operation.NumberB = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("最后的结果是" + operation.GetResult() + "按任意键结束");
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("请输入数字A：");
string numberA = Console.ReadLine();
Console.WriteLine("请输入运算符(+,-,*,/)：");
string operater = Console.ReadLine();
Console.WriteLine("请输入数字B：");
string numberB = Console.ReadLine();
Operation operation = null;
operation = OperationFactory.CreateOperation(operater);
operation.NumberA = Convert.ToDouble(numberA);
operation.NumberB = Convert.ToDouble(numberB);
Console.WriteLine("计算结果为：" + operation.GetResult());
Console.ReadKey();
}
static void Main(string[] args)
{
Console.WriteLine("请输入第一个数：");
double dNum1 = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("请输入第二个数：");
double dNum2 = Convert.ToDouble(Console.ReadLine());
Console.WriteLine("请输入操作符：");
string strOp = Console.ReadLine();
Operation op = OperationFactory.CreateOperation(strOp);
if (op == null)
{
Console.WriteLine("没有对应的操作符.");
return;
}
Console.WriteLine("{0}{1}{2}={3}", dNum1, strOp, dNum2, op.GetResult(dNum1, dNum2));
}
static void Main(string[] args)
{
try
{
Console.WriteLine("请输入第一个运算数字A：");
string a = Console.ReadLine();
Console.WriteLine("请输入第二个运算数字B：");
string b = Console.ReadLine();
Console.WriteLine("请输入运算符号（+，-，*，/）：");
string strOperation = Console.ReadLine();
string strResult = "";
Operation operation = OperationFactory.CreateOperation(strOperation);
strResult = operation.GetResult(Convert.ToDouble(a), Convert.ToDouble(b)).ToString();
Console.WriteLine("运算结果是：{0}", strResult);
Console.ReadLine();
}
catch (Exception ex)
{
Console.WriteLine("你输入的有错：" + ex.Message);
}
}
static void Main(string[] args)
{
try
{
Console.WriteLine("請輸入數字A");
string strNumA = Console.ReadLine();
Console.WriteLine("請輸入數字運算符號(+、-、*、/):");
string strOperate = Console.ReadLine();
Console.WriteLine("請輸入數字B");
string strNumB = Console.ReadLine();
var oper = OperationFactory.CreateOperation(strOperate);
oper.numA = Convert.ToDouble(strNumA);
oper.numB = Convert.ToDouble(strNumB);
Console.WriteLine("結果是:" + oper.GetResult());
Console.ReadLine();
}
catch (Exception ex)
{
Console.WriteLine("輸入有錯:" + ex.Message);
}
}