This article Reprinted from: http://hi.baidu.com/usoa/blog/item/0f1ad1ce35e6fa0f93457e6a.html
Http://blog.csdn.net/leechiyang/archive/2008/02/22/2112915.aspx
Http://blog.csdn.net/zhengyun_ustc/archive/2002/05/20/12654.aspx
Urlencode:
inline BYTE toHex(const BYTE &x){ return x > 9 ? x + 55: x + 48;} CString URLEncode(CString sIn){ CString sOut; const int nLen = sIn.GetLength() + 1; register LPBYTE pOutTmp = NULL; LPBYTE pOutBuf = NULL; register LPBYTE pInTmp = NULL; LPBYTE pInBuf =(LPBYTE)sIn.GetBuffer(nLen); BYTE b = 0; //alloc out buffer pOutBuf = (LPBYTE)sOut.GetBuffer(nLen*3 - 2);//new BYTE [nLen * 3]; if(pOutBuf) { pInTmp = pInBuf; pOutTmp = pOutBuf; // do encoding while (*pInTmp) { if(isalnum(*pInTmp)) *pOutTmp++ = *pInTmp; else if(isspace(*pInTmp)) *pOutTmp++ = '+'; else { *pOutTmp++ = '%'; *pOutTmp++ = toHex(*pInTmp>>4); *pOutTmp++ = toHex(*pInTmp%16); } pInTmp++; } *pOutTmp = '\0'; //sOut=pOutBuf; //delete [] pOutBuf; sOut.ReleaseBuffer(); } sIn.ReleaseBuffer(); return sOut;}�
Urldecode:
#define IsHexNum(c) ((c >= '0' && c <= '9') || (c >= 'A' && c <= 'F') || (c >= 'a' && c <= 'f'))CString Utf8ToStringT(LPSTR str){ _ASSERT(str); USES_CONVERSION; WCHAR *buf; int length = MultiByteToWideChar(CP_UTF8, 0, str, -1, NULL, 0); buf = new WCHAR[length+1]; ZeroMemory(buf, (length+1) * sizeof(WCHAR)); MultiByteToWideChar(CP_UTF8, 0, str, -1, buf, length); return (CString(W2T(buf)));} CString UrlDecode(LPCTSTR url){ _ASSERT(url); USES_CONVERSION; LPSTR _url = T2A(const_cast<LPTSTR>(url)); int i = 0; int length = (int)strlen(_url); CHAR *buf = new CHAR[length]; ZeroMemory(buf, length); LPSTR p = buf; while(i < length) { if(i <= length -3 && _url[i] == '%' && IsHexNum(_url[i+1]) && IsHexNum(_url[i+2])) { sscanf(_url + i + 1, "%x", p++); i += 3; } else { *(p++) = _url[i++]; } } return Utf8ToStringT(buf);}