日期:2014-05-18  浏览次数:20737 次

求C#计算器完整代码!!!谢谢!!!
望高手发给本人邮箱 sunle0710@126.com
希望窗体和控制台各一份!
只需要实现 简单的加减乘除,以及符号问题就ok!
谢谢!



------解决方案--------------------
public class Operation 

private double _numberA = 0; 
private double _numberB = 0; 
public double NumberA 

get 

return _numberA; 

set 

_numberA = value; 


public double NumberB 

get 

return _numberB; 

set 

_numberB = value; 


public virtual double GetResult() 

double result = 0; 
return result; 

public static string checkNumberInput(string currentNumber, string inputString) 

string result = ""; 
if (inputString == ".") 

if (currentNumber.IndexOf(".") < 0) 

if (currentNumber.Length == 0) 
result = "0" + inputString; 
else 
result = currentNumber + inputString; 


else if (currentNumber == "0") 

result = inputString; 

else 

result = currentNumber + inputString; 


return result; 




class OperationAdd : Operation 

public override double GetResult() 

double result = 0; 
result = NumberA + NumberB; 
return result; 


class OperationSub : Operation 

public override double GetResult() 

double result = 0; 
result = NumberA - NumberB; 
return result; 


class OperationMul : Operation 

public override double GetResult() 

double result = 0; 
result = NumberA * NumberB; 
return result; 


class OperationDiv : Operation 

public override double GetResult() 

double result = 0; 
if (NumberB == 0) 
throw new Exception("除数不能为0。"); 
result = NumberA / NumberB; 
return result; 


class OperationSqr : Operation 

public override double GetResult() 

double result = 0; 
result = NumberB * NumberB; 
return result; 


class OperationSqrt : Operation 

public override double GetResult()