public static Operation CreateOperation(string op)
{
Operation oper = null;
switch (op.ToLower())
{
case "+":
oper = new OperationAdd();
break;
case "-":
oper = new OperationSub();
break;
case "/":
oper = new OperationDiv();
break;
case "*":
oper = new OperationMul();
break;
default:
break;
}
return(oper);
}
public static Operation createOperate(string operate)
{
Operation oper = null;
// 这就是多态的实现吧
switch (operate)
{
case "+":
{
oper = new OperationAdd();
break;
}
case "-":
{
oper = new OperationSub();
break;
}
case "*":
{
oper = new OperationMul();
break;
}
case "/":
{
oper = new OperationDiv();
break;
}
}
return(oper);
}
public static Operation CreateOperate(string operate)
{
Operation oper = null;
switch (operate)
{
case "+":
oper = new OperationAdd();
break;
case "-":
oper = new OperationSub();
break;
case "*":
oper = new OperationMul();
break;
case "/":
oper = new OperationDiv();
break;
}
return(oper);
}
public static Operation createOperate(string operate)
{
Operation opera = null;
switch (operate)
{
case "+":
{
opera = new OperationAdd();
} break;
case "-":
{
opera = new OperationSub();
} break;
case "*":
{
opera = new OperationMul();
} break;
case "/":
{
opera = new OperationDiv();
} break;
default:
break;
}
return(opera);
}
public static Operation CreateOperate(OperationType type)
{
Operation oper = null;
switch (type)
{
case OperationType.ADD:
oper = new OperationAdd();
break;
case OperationType.SUB:
oper = new OperationSub();
break;
case OperationType.MUL:
oper = new OperationMul();
break;
case OperationType.DIV:
oper = new OperationDiv();
break;
}
return(oper);
}
public void GetResultTest(double numberA, double numberB, double result)
{
OperationDiv div = new OperationDiv();
div.NumberA = numberA;
div.NumberB = numberB;
Assert.Equal(div.GetResult(), result);
}
private void Button_Click_1(object sender, RoutedEventArgs e)
{
try
{
double num1 = 0;
double num2 = 0;
Operator _OP = null;
if (!double.TryParse(TB_Number1.Text, out num1))
{
MessageBox.Show("Input Error Number1 :" + TB_Number1.Text, "錯誤");
return;
}
if (!double.TryParse(TB_Number2.Text, out num2))
{
MessageBox.Show("Input Error Number2 :" + TB_Number2.Text, "錯誤");
return;
}
string _Operators = Operators.Text;
if (_Operators.Trim() == "")
{
MessageBox.Show("Select Error Operators :" + Operators.Text, "錯誤");
return;
}
else
{
if (_Operators == "+")
{
_OP = new OperationAdd();
}
else if (_Operators == "-")
{
_OP = new OperationSub();
}
else if (_Operators == "*")
{
_OP = new OperationMul();
}
else if (_Operators == "/")
{
_OP = new OperationDiv();
}
}
_OP.NumberA = num1;
_OP.NumberB = num2;
double result = _OP.GetResult();
Result_Cal.Text = result.ToString();
}
catch (Exception ex)
{
MessageBox.Show("The ex is: " + ex.ToString());
}
}
public static Operation createOperate(string operate)
{
Operation oper = null;
if (operate == "+"){
oper = new OperationAdd();
}
else if (operate == "-"){
oper = new OperationSub();
}
else if (operate == "*"){
oper = new OperationMul();
}
else if (operate == "/"){
oper = new OperationDiv();
}
return oper;
}
public static Operation CreationOperation(string operate)
{
Operation oper = null;
switch (operate)
{
case "+":
oper = new OperationAdd();
break;
case "-":
oper = new OperationSub();
break;
case "*":
oper = new OperationMul();
break;
case "/":
oper = new OperationDiv();
break;
}
return oper;
}
public static Operation createOperation(string operation)
{
Operation oper = null;
switch (operation)
{
case "+":
oper = new OperationAdd();
break;
case "-":
oper = new OperationSub();
break;
case "*":
oper = new OperationMul();
break;
case "/":
oper = new OperationDiv();
break;
case "SquareRoot":
oper = new OperationSquareRoot();
break;
case ".":
oper = new OperationPoint();
break;
case "+/-":
oper = new OperationPosAndNeg();
break;
default:
break;
}
return(oper);
}
public static Operation createOperate(string operate)
{
Operation oper = null;
if (operate == "+")
{
oper = new OperationAdd();
}
else if (operate == "-")
{
oper = new OperationSub();
}
else if (operate == "*")
{
oper = new OperationMul();
}
else if (operate == "/")
{
oper = new OperationDiv();
}
return(oper);
}
public static Operation createOperator(string inputOperator)
{
Operation oper = null;
switch (inputOperator)
{
case "+":
oper = new OperationAdd();
break;
case "-":
oper = new OperationSub();
break;
case "*":
oper = new OperationMul();
break;
case "/":
oper = new OperationDiv();
break;
}
return(oper);
}
