此示例演示如何从 char * 转换为上面列出的其他字符串类型。
// convert_from_char.cpp
// compile with: /clr /link comsuppw.lib
#include <iostream>
#include <stdlib.h>
#include <string>
#include "atlbase.h"
#include "atlstr.h"
#include "comutil.h"
using namespace std;
using namespace System;
int main()
{
char *orig = "Hello, World!";
cout << orig << " (char *)" << endl;
// Convert to a wchar_t*
size_t origsize = strlen(orig) + 1;
const size_t newsize = 100;
size_t convertedChars = 0;
wchar_t wcstring[newsize];
mbstowcs_s(&convertedChars, wcstring, origsize, orig, _TRUNCATE);
wcscat_s(wcstring, L" (wchar_t *)");
wcout << wcstring << endl;
// Convert to a _bstr_t
_bstr_t bstrt(orig);
bstrt += " (_bstr_t)";
cout << bstrt << endl;
// Convert to a CComBSTR
CComBSTR ccombstr(orig);
if (ccombstr.Append(L" (CComBSTR)") == S_OK)
{
CW2A printstr(ccombstr);
cout << printstr << endl;
}
// Convert to a CString
CString cstring(orig);
cstring += " (CString)";
cout << cstring << endl;
// Convert to a basic_string
string basicstring(orig);
basicstring += " (basic_string)";
cout << basicstring << endl;
// Convert to a System::String
String ^systemstring = gcnew String(orig);
systemstring += " (System::String)";
Console::WriteLine("{0}", systemstring);
delete systemstring;
}
此示例演示如何从 wchar_t * 转换为上面列出的其他字符串类型。
// convert_from_wchar_t.cpp
// compile with: /clr /link comsuppw.lib
#include <iostream>
#include <stdlib.h>
#include <string>
#include "atlbase.h"
#include "atlstr.h"
#include "comutil.h"
using namespace std;
using namespace System;
int main()
{
wchar_t *orig = L"Hello, World!";
wcout << orig << L" (wchar_t *)" << endl;
// Convert to a char*
size_t origsize = wcslen(orig) + 1;
const size_t newsize = 100;
size_t convertedChars = 0;
char nstring[newsize];
wcstombs_s(&convertedChars, nstring, origsize, orig, _TRUNCATE);
strcat_s(nstring, " (char *)");
cout << nstring << endl;
// Convert to a _bstr_t
_bstr_t bstrt(orig);
bstrt += " (_bstr_t)";
cout << bstrt << endl;
// Convert to a CComBSTR
CComBSTR ccombstr(orig);
if (ccombstr.Append(L" (CComBSTR)") == S_OK)
{
CW2A printstr(ccombstr);
cout << printstr << endl;
}
// Convert to a CString
CString cstring(orig);
cstring += " (CString)";
cout << cstring << endl;
// Convert to a basic_string
wstring basicstring(orig);
basicstring += L" (basic_string)";
wcout << basicstring << endl;
// Convert to a System::String
String ^systemstring = gcnew String(orig);
systemstring += " (System::String)";
Console::WriteLine("{0}", systemstring);
delete systemstring;
}
此示例演示如何从 _bstr_t 转换为上面列出的其他字符串类型。
// convert_from_bstr_t.cpp
// compile with: /clr /link comsuppw.lib
#include <iostream>
#include <stdlib.h>
#include <string>
#include "atlbase.h"
#include "atlstr.h"
#include "comutil.h"
using namespace std;
using namespace System;
int main()
{
_bstr_t orig("Hello, World!");
wcout << orig << " (_bstr_t)" << endl;
// Convert to a char*
const size_t newsize = 100;
char nstring[newsize];
strcpy_s(nstring, (char *)orig);
strcat_s(nstring, " (char *)");
cout << nstring << endl;
// Convert to a wchar_t*
wchar_t wcstring[newsize];
wcscpy_s(wcstring, (wchar_t *)orig);
wcscat_s(wcstring, L" (wchar_t *)");
wcout << wcstring << endl;
// Convert to a CComBSTR
CComBSTR ccombstr((char *)orig);
if (ccombstr.Append(L" (CComBSTR)") == S_OK)
{
CW2A printstr(ccombstr);
cout << printstr << endl;
}
// Convert to a CString
CString cstring((char *)orig);
cstring += " (CString)";
cout << cstring << endl;
// Convert to a basic_string
string basicstring((char *)orig);
basicstring += " (basic_string)";
cout << basicstring << endl;
// Convert to a System::String
String ^systemstring = gcnew String((char *)orig);
systemstring += " (System::String)";
Console::WriteLine("{0}", systemstring);
delete systemstring;
}
此示例演示如何从 CComBSTR 转换为上面列出的其他字符串类型。
// convert_from_ccombstr.cpp
// compile with: /clr /link comsuppw.lib
#include <iostream>
#include <stdlib.h>
#include <string>
#include "atlbase.h"
#include "atlstr.h"
#include "comutil.h"
#include "vcclr.h"
using namespace std;
using namespace System;
using namespace System::Runtime::InteropServices;
int main()
{
CComBSTR orig("Hello, World!");
CW2A printstr(orig);
cout << printstr << " (CComBSTR)" << endl;
// Convert to a char*
const size_t newsize = 100;
char nstring[newsize];
CW2A tmpstr1(orig);
strcpy_s(nstring, tmpstr1);
strcat_s(nstring, " (char *)");
cout << nstring << endl;
// Convert to a wchar_t*
wchar_t wcstring[newsize];
wcscpy_s(wcstring, orig);
wcscat_s(wcstring, L" (wchar_t *)");
wcout << wcstring << endl;
// Convert to a _bstr_t
_bstr_t bstrt(orig);
bstrt += " (_bstr_t)";
cout << bstrt << endl;
// Convert to a CString
CString cstring(orig);
cstring += " (CString)";
cout << cstring << endl;
// Convert to a basic_string
wstring basicstring(orig);
basicstring += L" (basic_string)";
wcout << basicstring << endl;
// Convert to a System::String
String ^systemstring = gcnew String(orig);
systemstring += " (System::String)";
Console::WriteLine("{0}", systemstring);
delete systemstring;
}
此示例演示如何从 CString 转换为上面列出的其他字符串类型。
// convert_from_cstring.cpp
// compile with: /clr /link comsuppw.lib
#include <iostream>
#include <stdlib.h>
#include <string>
#include "atlbase.h"
#include "atlstr.h"
#include "comutil.h"
using namespace std;
using namespace System;
int main()
{
CString orig("Hello, World!");
wcout << orig << " (CString)" << endl;
// Convert to a char*
const size_t newsize = 100;
char nstring[newsize];
strcpy_s(nstring, orig);
strcat_s(nstring, " (char *)");
cout << nstring << endl;
// Convert to a wchar_t*
// You must first convert to a char * for this to work.
size_t origsize = strlen(orig) + 1;
size_t convertedChars = 0;
wchar_t wcstring[newsize];
mbstowcs_s(&convertedChars, wcstring, origsize, orig, _TRUNCATE);
wcscat_s(wcstring, L" (wchar_t *)");
wcout << wcstring << endl;
// Convert to a _bstr_t
_bstr_t bstrt(orig);
bstrt += " (_bstr_t)";
cout << bstrt << endl;
// Convert to a CComBSTR
CComBSTR ccombstr(orig);
if (ccombstr.Append(L" (CComBSTR)") == S_OK)
{
CW2A printstr(ccombstr);
cout << printstr << endl;
}
// Convert to a basic_string
string basicstring(orig);
basicstring += " (basic_string)";
cout << basicstring << endl;
// Convert to a System::String
String ^systemstring = gcnew String(orig);
systemstring += " (System::String)";
Console::WriteLine("{0}", systemstring);
delete systemstring;
}
此示例演示如何从 basic_string 转换为上面列出的其他字符串类型。
// convert_from_basic_string.cpp
// compile with: /clr /link comsuppw.lib
#include <iostream>
#include <stdlib.h>
#include <string>
#include "atlbase.h"
#include "atlstr.h"
#include "comutil.h"
using namespace std;
using namespace System;
int main()
{
string orig("Hello, World!");
cout << orig << " (basic_string)" << endl;
// Convert to a char*
const size_t newsize =
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(资料大全加程序)C++ 字符串之间的相互转化 宽字符与多字符集(LPTSTR、LPCSTR、LPCTSTR、LPSTR)
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资料大全加程序 宽字符与多字符集(LPTSTR、LPCSTR、LPCTSTR、LPSTR) C++ 字符串之间的相互转化
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- shit_me2012-07-24新手必备。。。
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