字符转换函数

 

// 功能：将窄字符转化成宽字符，string->wstringconst wchar_t *Multibyte2Unicode(const char *str){ if (str == NULL){return 0;}setlocale(LC_ALL,".936");// 1 计算转换后宽字符串的长度。（不包含字符串结束符)int iWLen= mbstowcs(0, str, strlen(str)); // 2 申请空间static wchar_t *lpwsz = NULL;if (NULL != lpwsz){delete []lpwsz;}lpwsz = new wchar_t [iWLen+1];if (NULL == lpwsz){return 0;}memset(lpwsz, 0, sizeof(wchar_t)*(iWLen+1));// 3 正式转换mbstowcs(lpwsz, str, strlen(str));lpwsz[iWLen] = L'/0';return lpwsz;}// 将宽字符串转化成窄字符串用于输出const char *Unicode2Multibyte(const wchar_t *wstr){setlocale(LC_ALL,".936");// 1 计算转换后字符串的长度。int iLen= wcstombs(0, wstr, wcslen(wstr));// 2 申请空间static char *lpsz = NULL;if (NULL != lpsz){delete []lpsz;lpsz = NULL;}lpsz = new char[iLen + 1];if (NULL == lpsz){return 0;}memset(lpsz, 0, iLen+1);// 3 正式转换。wcstombs(lpsz, wstr, iLen + 1);return lpsz;} 

 

// 将宽字符串转化成窄字符串用于输出const char *Unicode2Multibyte(const wchar_t *wstr){setlocale(LC_ALL,".936");// 1 计算转换后字符串的长度。int iLen= wcstombs(0, wstr, wcslen(wstr));// 2 申请空间static char *lpsz = NULL;if (NULL != lpsz){delete []lpsz;lpsz = NULL;}lpsz = new char[iLen + 1];if (NULL == lpsz){return 0;}memset(lpsz, 0, iLen+1);// 3 正式转换。wcstombs(lpsz, wstr, iLen + 1);return lpsz;}