delphi 繁簡互轉函數

function BIG5ToGB2312(GBStr: string): AnsiString;
{进行GBK繁体转简体}
var
Len: integer;
pGBCHTChar: PChar;
pGBCHSChar: PChar;
begin
pGBCHTChar := PChar(GBStr);
Len := MultiByteToWideChar(936, 0, pGBCHTChar, -1, nil, 0);
GetMem(pGBCHSChar, Len * 2 + 1);
ZeroMemory(pGBCHSChar, Len * 2 + 1);
//GB CHS -> GB CHT
LCMapString($804, LCMAP_SIMPLIFIED_CHINESE, pGBCHTChar, -1, pGBCHSChar, Len * 2);
result := string(pGBCHSChar);
//FreeMem(pGBCHTChar);
FreeMem(pGBCHSChar);
end;

 

 

function   GB2312ToBIG5(GB2312Str:   string):   AnsiString;
  var
      iLen:   Integer;
      PGBCHSStr:   PChar;   //GB编码的简体字符
      PGBCHTStr:   PChar;   //GB编码的繁体字符
      PUnicodeChar:   PWideChar;   //Unicode编码的字符
      PBIG5Str:   PChar;   //BIG5编码的字符
  begin
      PGBCHSStr:=PChar(GB2312Str);
      iLen:=MultiByteToWideChar(936,0,PGBCHSStr,-1,nil,0);   //计算转换的字符数
      GetMem(PGBCHTStr,iLen*2+1);   //分配内存
      LCMapString($0804,LCMAP_TRADITIONAL_CHINESE,PGBCHSStr,-1,PGBCHTStr,iLen*2);   //转换GB码简体到GB码繁体
      GetMem(PUnicodeChar,iLen*2);   //分配内存
      MultiByteToWideChar(936,0,PGBCHTStr,-1,PUnicodeChar,iLen);   //转换GB码到Unicode码
      iLen:=WideCharToMultiByte(950,0,PUnicodeChar,-1,nil,0,nil,nil);
      GetMem(PBIG5Str,iLen);
      WideCharToMultiByte(950,0,PUnicodeChar,-1,PBIG5Str,iLen,nil,nil);

  //     Result:=string(PBIG5Str);
      Result:=string(PGBCHTStr);

      FreeMem(PBIG5Str);
      FreeMem(PUnicodeChar);
      FreeMem(PGBCHTStr);
  end;

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