16进制和字符转互转

//-----------------------------------------------
//16进制字符转字符串 
//-----------------------------------------------
function hextostring(str: string): string;
var
  s,t:string;
  i,j:integer;
  p:pchar;
begin
   s:='';
   i:=1;
   while i< length(str) do begin
      t:=str[i]+str[i+1];
      s:=s+chr(hextoint(t));
      i:=i+2;
   end;
   result:=s;
end;

来源：CSDN

作者：qq_19984615

链接：https://blog.csdn.net/qq_19984615/article/details/103904115