Question

我的目标是创建一个简单的代码，它接受输入并给出数字的平方。我使用另一种方法进行计算，但我认为方法设置有误。请看一下。

using System;
namespace NumberM {
    class InputLocation {
        public static void Main (string [] args) {
            int PlsCall;
        begin:
            Console.Write ("Please specify a number : ");
            string NumInput = Console.ReadLine ();
            int NumNewValue = Int32.Parse (NumInput);
            Console.WriteLine("Is {0} the number you specified?", NumNewValue);
            string Ans = Console.ReadLine();

            if (Ans == "yes" || Ans == "Yes") {
                Console.WriteLine ("That means {0} is your number. All right. Calculating.");
                // disable once SuggestUseVarKeywordEvident
                CalcNumb InP = new CalcNumb();
                PlsCall = InP.Calculation (NumNewValue);
            } else {
                 Console.WriteLine ("That might be an issue. Taking back.");
                 goto begin;
            }

        }
    }
    class CalcNumb {
        public int Calculation (int number) {
            int Store = number * number;
            Console.WriteLine ("This is the square of your number : {0}" , Store);
            }
    }
}

我在调用方法的第35和26行收到错误。 PlsCall = InP.Calculation（NumNewValue）; public int Calculation（int number）{

我得到这样的东西。我不能很好地翻译，但如果你需要翻译，那就是土耳其文。

'NumberM.CalcNumb.Calculation（int）'：tüm柯yollarıdeğeröndürmez（CS0161）

提前感谢您的帮助。

Answer 1

计算方法是一个整数，你不会返回任何东西

  public int Calculation (int number) 
  {
     int Store = number * number;
     Console.WriteLine ("This is the square of your number : {0}" , Store);
     return Store; // Needed
  }

Answer 2

您的方法计算未返回值

Answer 3

你必须退货！

public int Calculation (int number) 
{
    int Store = number * number;
    Console.WriteLine ("This is the square of your number : {0}" , Store);
    return Store;
}

此行中的另一个错误：

Console.WriteLine ("That means {0} is your number. All right. Calculating.");

应该是：

Console.WriteLine ("That means {0} is your number. All right. Calculating.", NumNewValue);

并且，请避免使用C＃代码中的goto;）

Answer 4

替换

class CalcNumb { public int Calculation (int number) { int Store = number * number; Console.WriteLine ("This is the square of your number : {0}" , Store); } }

到

class CalcNumb { public int Calculation (int number) { int Store = number * number; Console.WriteLine ("This is the square of your number : {0}" , Store); return Store; } }

C＃基本计算器SharpDevelop错误

4 个答案: