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VC中数字与字符串转换方法

發(fā)布時間：2023/12/15 c/c++ 29 豆豆

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VC中數(shù)字與字符串轉(zhuǎn)換方法

u???? 字符串轉(zhuǎn)數(shù)字

l???????? 1．CRT函數(shù)

l???????? 2.使用sscanf

l???????? 3.Windows SDK：<shlwapi.h>：StrToInt

l???????? 4.MFC/ATL：CString::Format

u???? 數(shù)字轉(zhuǎn)字符串

l???????? 1．CRT函數(shù)

l???????? 2.使用sprintf

l???????? 3.<strsafe.h>：StringCbPrintf

u???? 通用相互轉(zhuǎn)換方法

l???????? C++流方式：stringstream?

l???????? 2.boost庫：boost:: lexical_cast

摘自MSDN：Data-Conversion Routines

Routine	Use
atof, _atof_l, _wtof, _wtof_l	Convert string to float
atoi, _atoi_l, _wtoi, _wtoi_l	Convert string to int
_atoi64, _atoi64_l, _wtoi64, _wtoi64_l	Convert string to __int64
atol, _atol_l, _wtol, _wtol_l	Convert string to long
_ecvt, _ecvt_s	Convert double to string of specified length
_fcvt, _fcvt_s	Convert double to string with specified number of digits following decimal point
_gcvt, _gcvt_s	Convert double number to string; store string in buffer
_itoa, _itow, _itoa_s, _itow_s, _i64tow_s	Convert int to string
_i64toa, _ui64toa, _i64tow, _ui64tow, _i64toa_s, _ui64toa_s, _ui64tow_s	Convert __int64 to string
_ltoa, _ltow, _ltoa_s, _ltow_s	Convert long to string
strtod, _strtod_l, wcstod, _wcstod_l	Convert string to double
strtol, wcstol, _strtol_l, _wcstol_l	Convert string to long integer
strtoul, _strtoul_l, wcstoul, _wcstoul_l	Convert string to unsigned long integer
_ultoa, _ultow, _ultoa_s, _ultow_s	Convert unsigned long to string
atof, _atof_l, _wtof, _wtof_l	Convert wide-character string to a double
atoi, _atoi_l, _wtoi, _wtoi_l	Convert wide-character string to int
_atoi64, _atoi64_l, _wtoi64, _wtoi64_l	Convert wide-character string to __int64
atol, _atol_l, _wtol, _wtol_l	Convert wide-character string to long

原帖:http://www.cppblog.com/tbyxyz/articles/str2num.html

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