将System :: String ^转换为std :: strings错误c1083包含文件 [英] Converting System::String^ to std::strings error c1083 include file

问题描述

伙计们！
我正在这样做，看是否有一天我可以打印我的数组:

Hi, guys!
I''m doing this, to see if one day I can print my arrays:

// Case_2.cpp
//
#include <stdafx.h>
#include <string>
#include <iostream>
#include <fstream>
#include <istream>
#include "Form1.h"
#include <marshal_cppstd.h> // Also tried "marshal_cppstd.h"

using namespace Case_2;
//
int main ()
{
	void save_arrays ();
	return 0;
}
//
void save_arrays ()
{
   array<String^>^ my_array = gcnew array<String^> {"xxx", "yyy", "zzz"};
   for (int i = 0; i< 3; i++)
   {
      System::String^ clrString = my_array[i];
      std::string stdString = marshal_as<std::string>(clrString);
      std::cout << stdString << std::endl;
   }
   return;
}

有帮助吗?

ANY HELP?

推荐答案

除非您有充分的理由，否则应使用宽字符串.

也就是说，您应该使用wstring和wcout.

转换将更容易，并且代码可以正确处理ANSI字符集中不可用的字符.

Except if you have a good reason to do otherwise, you should use wide strings.

That is, you should use wstring and wcout.

Conversion will be easier and the code will properly works with characters that are not available in ANSI charset.

我对程序进行了一些更改，以使其可以使用Visual Studio 2010来运行. ..在下面找到代码片段:

I have made a little change in your program to make it run by using visual studio 2010... Find the code snippet below:

#include "stdafx.h"
#include <string>
#include <iostream>
#include <fstream>
#include <istream>
#include <msclr\marshal.h>
using namespace System;
using namespace Runtime::InteropServices;

void save_arrays();
int main(array<System::String ^> ^args)
{
    save_arrays();
    return 0;
}

void save_arrays ()
{
    array<String^>^ my_array = gcnew array<String^> {"xxx", "yyy", "zzz"};
    for (int i = 0; i< 3; i++)

    {

        System::String^ clrString = my_array[i];

        const char* chars = (const char*)(Marshal::StringToHGlobalAnsi(clrString)).ToPointer();

        std::string stdString = chars;

        std::cout << stdString << std::endl;

    }

    return;

}

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