- 方法一：MultiByteToWideChar、WideCharToMultiByte
1 BOOL StringToWString(const std::string &str,std::wstring &wstr)
2 {
3 int nLen = (int)str.length();
4 wstr.resize(nLen,L' ');
5
6 int nResult = MultiByteToWideChar(CP_ACP,0,(LPCSTR)str.c_str(),nLen,(LPWSTR)wstr.c_str(),nLen);
7
8 if (nResult == 0)
9 {
10 return FALSE;
11 }
12
13 return TRUE;
14 }
15 //wstring高字节不为0，返回FALSE
16 BOOL WStringToString(const std::wstring &wstr,std::string &str)
17 {
18 int nLen = (int)wstr.length();
19 str.resize(nLen,' ');
20
21 int nResult = WideCharToMultiByte(CP_ACP,0,(LPCWSTR)wstr.c_str(),nLen,(LPSTR)str.c_str(),nLen,NULL,NULL);
22
23 if (nResult == 0)
24 {
25 return FALSE;
26 }
27
28 return TRUE;
29 }
1 std::wstring StringToWString(const std::string &str)
2 {
3 std::wstring wstr(str.length(),L' ');
4 std::copy(str.begin(), str.end(), wstr.begin());
5 return wstr;
6 }
7
8 //只拷贝低字节至string中
9 std::string WStringToString(const std::wstring &wstr)
10 {
11 std::string str(wstr.length(), ' ');
12 std::copy(wstr.begin(), wstr.end(), str.begin());
13 return str;
14 }