一、半角和全角字符的转换

int LCMapString(

LCID Locale, // locale identifier

DWORD dwMapFlags, // mapping transformation type

LPCTSTR lpSrcStr, // source string

int cchSrc, // number of characters in source string

LPTSTR lpDestStr, // destination buffer

int cchDest // size of destination buffer);

主要参数说明

1、MAKELANGID(LANG_NEUTRAL,SUBLANG_SYS_DEFAULT);

2、常用的转换参数是：

LCMAP_FULLWIDTHUses wide characters (where applicable).LCMAP_HALFWIDTH

Uses narrow characters (where applicable).

LCMAP_UPPERCASE
Uses uppercase.
LCMAP_LOWERCASE
Uses lowercase.