VC中数字与字符串转换方法.docx

VC中数字与字符串转换方法字符串转数字1CRT函数ASCIIUNICODETCHARVS2005intatoi_wtoi_tstoi_ttoi_atoi_l_wtoi_llongatol_wtol_tstoi_ttoi_atoi_l_wtoi_l_int64_atoi64_wtoi64_tstoi64_ttoi64_atoi64_l_wtoi64_lfloat_atoflt_atoflt_ldoubleatof_wtof_tstof_ttof_atof_l_wtof_l_atodbl_atodbl_llong double_atoldbl_atoldbl_l2.使用sscanf3.Windows SDK：StrToInt4.MFC/ATL：CString:Format（此函数应该是用来将数字转成字符，MSDN中有解释）数字转字符串1.CRT函数ASCIIUNICODETCHARVS2005intitoa_itoa_itow_itotlongltoa_ltoa_ltow_ltot_int64_i64toa_i64tow_i64totdoublegcvt_gcvt_ecvt_fcvt_wtof_tstof_ttof_gcvt_s_ecvt_s_fcvt_s2.使用sprintf3.：StringCbPrintf通用相互转换方法1.C+流方式：stringstream2.boost库：boost:lexical_cast摘自MSDN：Data-Conversion RoutinesRoutineUseatof, _atof_l, _wtof, _wtof_lConvert string tofloatatoi, _atoi_l, _wtoi, _wtoi_lConvert string toint_atoi64, _atoi64_l, _wtoi64, _wtoi64_lConvert string to_int64atol, _atol_l, _wtol, _wtol_lConvert string tolong_ecvt,_ecvt_sConvertdoubleto string of specified length_fcvt,_fcvt_sConvertdoubleto string with specified number of digits following decimal point_gcvt,_gcvt_sConvertdoublenumber to string; store string in buffer_itoa, _i64toa, _ui64toa, _itow, _i64tow, _ui64tow,_itoa_s, _i64toa_s, _ui64toa_s, _itow_s, _i64tow_s, _ui64tow_sConvertintor_int64to string_ltoa, _ltow,_ltoa_s, _ltow_sConvertlongto stringstrtod, _strtod_l, wcstod, _wcstod_lConvert string todoublestrtol, wcstol, _strtol_l, _wcstol_lConvert string tolongintegerstrtoul, _strtoul_l, wcstoul, _wcstoul_lConvert string tounsigned longinteger_ultoa, _ultow,_ultoa_s, _ultow_sConvertunsignedlongto stringatof, _atof_l, _wtof, _wtof_lConvert wide-character string to adoubleatoi, _atoi_l, _wtoi, _wtoi_lConvert wide-character string toint_atoi64, _atoi64_l, _wtoi64, _wtoi64_lConvert