“没有适当的默认构造函数可用”在Visual C ++中的错误 [英] "No appropriate default constructor available" error in Visual C++

问题描述

我不明白。我一直盯着代码三个小时的代码，我看不到问题。

I don't get it. I've been staring at the code the code for three hours and I can't see the problem.

我创建的类TwoDayPackage派生自class

The class I'm creating, called TwoDayPackage is derived from a class called Package.

这是我如何定义构造函数：

This is how I defined the constructor:

    TwoDayPackage(string, string, string, string, int, string, string, string, string, int, float, float, float);

这是我如何实现构造函数：

This is how I implement the constructor:

TwoDayPackage::TwoDayPackage(string sName, string sAddress, string sState, string sCountry, int sZIP, string rName, string rAddress, string rState, string rCountry, int rZIP, float weight, float cost, float flat)
{
Package::Package(sName, sAddress, sState, sCountry, sZIP, rName, rAddress, rState, rCountry, rZIP, weight, cost);
flatRate = flat;
}

这是我在我的main函数中使用它。

This is how i use it in my main function.

TwoDayPackage pack2(senderName, senderAddress, senderState, senderCountry, senderZIP, receipientName, receipientAddress, receipientState, receipientCountry, receipientZIP, weight, cost, flat);

我知道我的参数列表很长，有一个原因。
感谢。

I know my argument list is pretty long, there's a reason for that. Thanks.

推荐答案

应使用：

TwoDayPackage::TwoDayPackage(string sName, string sAddress, string sState, string  sCountry, int sZIP, string rName, string rAddress, string rState, string rCountry, int rZIP, float weight, float cost, float flat)
 :Package(sName, sAddress, sState, sCountry, sZIP, rName, rAddress, rState, rCountry, rZIP, weight, cost)
  {
    flatRate = flat;
   }

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