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C C++ Êä³öÖÐÎÄ¡¾×ª¡¿


1. wprintf
Q : sizeof(wchar_t) = ?
A : Ëæ±àÒëÆ÷²»Í¬¡£(ËùÒÔ:ÔÚÐèÒª¿çƽ̨µÄʱºò¾¡Á¿²»ÓÃwchar_t) vc : sizeof(wchar_t) = 2;
Q: ÔÚvcÖУ¬ÎªÊ²Ã´Ö±½ÓʹÓÃwprintf(L"²âÊÔ1234")»áûÓнá¹û
A: ûÓÐÉèÖúÃlocale,ÕâÑù×ö
setlocale(LC_ALL ,
"
chs
"
);
wprintf(L
"
%s
"
,L
"
²âÊÔ1234
"
);
»òÕß(¼ÙÉ赱ǰ»î¶¯codepageΪchs)
char
scp[
16
];
int
cp
=
GetACP();
sprintf(scp,
"
.%d
"
,cp);
setlocale( LC_ALL, scp );
wprintf(L
"
²âÊÔ1234
"
);
2. wcout
Ò»Ñù£¬²»¹ýÉ趨locale,ÇëÓÃstd::locale
     locale loc(
"
chs
"
);
     wcout.imbue(loc);
     wcout
<<
L
"
²âÊÔ1234
"

<<
endl;
ÕâƪÎÄÕÂÓ¦¸ÃÊÇ[netsin
]µÄ³É¹û£¬ÎÒÇڿ죬¼ÇÏÂÀ´¡£
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[ǬÀ¤Ò»Ð¦
]
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µÄ¹ÛµãÈÏΪ£¬C++ µÄ·½Ê½ÊÇÔÊÐí³ÌÐòԱʹÓÃÈκÎ×Ö·û¼¯×÷Ϊ´®µÄ×Ö·ûÀàÐÍ¡£ÁíÍ⣬unicode
±àÂëÒѾ­·¢Õ¹ÁËÈô¸É°æ±¾ÁË£¬ÊÇ·ñÄÜÓÀ¾ÃÊʺÏÏÂÈ¥Ò²²»µÃ¶øÖª¡£ÓÐ¹Ø unicode µÄÏêϸÂÛÊöÒÔ¼°ºÍÆäËü×Ö·û¼¯µÄ±È½Ï£¬ÎÒÍƼöÄã¿´¡¶ÎÞ·Ï»°xml¡·¡£
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// C
#include <stdio.h>
#include <locale.h>
int main( void )
{
    setlocale( LC_ALL, "chs" );
    //setlocale( LC_ALL, "Chinese-simplified" );
    //setlocale( LC_ALL, "ZHI" );
    //setlocale( LC_ALL, ".936" );
    wprintf( L"Öйú" );
    return 0;
}
// C++
#include <iostream>
#include <locale>
using namespace std;
int main( void )
{
    locale loc( "chs" );
    //locale loc( "Chinese-simpl


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