Original article address:Convert: char *,
Char []
, Cstring,
String Conversion
Author:Gisldq
(1) OverviewString and cstring are both string template classes. string is a string class defined by the standard template class (STL) and has been
Unicode (unified code, universal code, Single Code) is a character encoding used on a computer. It sets a unified and unique binary code for each character in each language to meet the requirements of cross-language and cross-platform text
Reprint Address: http://hi.baidu.com/thewillreigns/blog/item/67e665c4296e69c038db492d.html
Char and unsigned char are unsignedBoth are used words as words that are indistinguishable, but when integers are used differently:Char integer range is-128
Programming has been a headache recently. This type of conversion can be done by knowing that it can be switched, but it is always hard to remember. I will keep searching through the Internet and summarize it here. For future convenience, of course,
Conversion between string, CString, char *
Int to CString:CString. Format ("% d", int );...............................String to CStringCString. format ("% s", string. c_str ());C_str () is indeed better than data.....................................
Convert cstring to char *Cstring CSTR;Char * P = (lpstr) (lpctstr) CSTR;String to cstringCstring. Format ("% s", String. c_str ());Convert Char to cstringCstring. Format ("% s", char *);Char to stringString S (char *);String to char *Char * P =
The transformation between string,cstring,char*
int Turn CString:Cstring.format ("%d", int);...............................String Turn CStringCstring.format ("%s", String.c_str ());Using C_str () is indeed better than data ()........................
About wchar_t
In the C ++ standard, wchar_t is a wide character type. Each wchar_t type occupies 2 bytes and has a 16-bit width. Wchar_t is required for the representation of Chinese characters. Char, we all know, occupies a byte, 8-bit width.
There are many C procedures, in the communication with the new members of the project found that generally for Char *s1 and Char s2[] know there are misunderstandings (think no difference), resulting in sometimes "difficult to understand" error. A
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