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分享MFC中使用UNICODE情况下怎么把UINT型转换为CString
在MFC中把UINT转换为CString，总是有误差，在unicode情况下使用itoa也不行，求问
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赵4老师 2015-09-06
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_itoa, _i64toa, _ui64toa, _itow, _i64tow, _ui64tow
Convert an integer to a string.
char *_itoa( int value, char *string, int radix );
char *_i64toa( __int64 value, char *string, int radix );
char * _ui64toa( unsigned _int64 value, char *string, int radix );
wchar_t * _itow( int value, wchar_t *string, int radix );
wchar_t * _i64tow( __int64 value, wchar_t *string, int radix );
wchar_t * _ui64tow( unsigned __int64 value, wchar_t *string, int radix );
Routine Required Header Compatibility
_itoa <stdlib.h> Win 95, Win NT
_i64toa <stdlib.h> Win 95, Win NT
_ui64toa <stdlib.h> Win 95, Win NT
_itow <stdlib.h> Win 95, Win NT
_i64tow <stdlib.h> Win 95, Win NT
_ui64tow <stdlib.h> Win 95, Win NT
For additional compatibility information, see Compatibility in the Introduction.
Libraries
LIBC.LIB Single thread static library, retail version
LIBCMT.LIB Multithread static library, retail version
MSVCRT.LIB Import library for MSVCRT.DLL, retail version
Return Value
Each of these functions returns a pointer to string. There is no error return.
Parameters
value
Number to be converted
string
String result
radix
Base of value; must be in the range 2 – 36
Remarks
The _itoa, _i64toa, and _ui64toa function convert the digits of the given value argument to a null-terminated character string and stores the result (up to 33 bytes) in string. If radix equals 10 and value is negative, the first character of the stored string is the minus sign ( – ). _itow, _i64tow, and _ui64tow are wide-character versions of _itoa, _i64toa, and _ui64toa respectively.
Generic-Text Routine Mappings
TCHAR.H Routine _UNICODE & _MBCS Not Defined _MBCS Defined _UNICODE Defined
_itot _itoa _itoa _itow
Example
/* ITOA.C: This program converts integers of various
* sizes to strings in various radixes.
*/
#include <stdlib.h>
#include <stdio.h>
void main( void )
{
char buffer[20];
int i = 3445;
long l = -344115L;
unsigned long ul = 1234567890UL;
_itoa( i, buffer, 10 );
printf( "String of integer %d (radix 10): %s\n", i, buffer );
_itoa( i, buffer, 16 );
printf( "String of integer %d (radix 16): 0x%s\n", i, buffer );
_itoa( i, buffer, 2 );
printf( "String of integer %d (radix 2): %s\n", i, buffer );
_ltoa( l, buffer, 16 );
printf( "String of long int %ld (radix 16): 0x%s\n", l,
buffer );
_ultoa( ul, buffer, 16 );
printf( "String of unsigned long %lu (radix 16): 0x%s\n", ul,
buffer );
}
Output
String of integer 3445 (radix 10): 3445
String of integer 3445 (radix 16): 0xd75
String of integer 3445 (radix 2): 110101110101
String of long int -344115 (radix 16): 0xfffabfcd
String of unsigned long 1234567890 (radix 16): 0x499602d2
Data Conversion Routines
See Also _ltoa, _ultoa
「已注销」 2015-09-06
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UINT uNumber = 13572468;
CString strNumber;
strNumber.Format(TEXT("%u"), uNumber);
Techay 2015-09-05
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试了，并不可以啊……
Eleven 2015-09-05
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CString::Format()就可以了。
Techay 2015-09-05
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试过了，在UNICODE情况下误差特别大
Techay 2015-09-05
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UINT肯定会爆INT，想好再回答
ArthurKingYs 2015-09-05
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format
mfmfmmf1 2015-09-05
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这还不简单
先把UINT转为INT
然后再转CString呗
schlafenhamster 2015-09-05
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0x7FFF FFFF FFFF FFFF
RuiyuanZHOU 2015-09-05
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使用CString的Format函数,格式字符串用 L"%lld"
试了一下，最大数为9223372036854775807
worldy 2015-09-05
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unicode下，使用itoa肯定是错误的
worldy 2015-09-05
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在MFC中把UINT转换为CString，
使用CString的Format函数，如果有问题，那肯定是楼主给格式串有问题，针对UINT，lz的注意值的最高位如果为1，则会被转为负数；
或者使用
wchar_t * _itow( int value, wchar_t *string, int radix );
zwfgdlc 2015-09-05
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数值很大吗?
