就这几行代码,搞的我一头雾水,哪位大侠懂PHP,帮忙改成D版本的.
就这几行代码,搞的我一头雾水,哪位大侠懂PHP,帮忙改成D版本的,万分感谢!!!!!!!!!!!!
function encrypt($str, $key = '123456')
{
$coded = '';
$keylength = strlen($key);
for ($i = 0, $count = strlen($str); $i < $count; $i += $keylength)
{
$coded .= substr($str, $i, $keylength) ^ $key;
}
return str_replace('=', '', base64_encode($coded));
}
[解决办法]
function TForm1.encrypt(str :string; key:string='123456'):string;
var
coded string;
keylength :integer;
i :integer;
begin
Result := '';
coded :='';
keylength := = strlen(key);
i:=0;
while i<keylength do
begin
coded := coded + midstr(str, i, keylength) ^ key;
i:=i+keylength;
end;
end;
[解决办法]
function Encrypt(Str :string; Key :string = '123456') :string;
var
Coded :string;
KeyLength,i :integer;
begin
Result :='';
KeyLength := Length(Key);
i :=0;
while i<Length(Str) do
begin
Coded := Coded + (Copy(Str,i,KeyLength) xor Key);
i := i + KeyLength;
end;
Result := Replace(Base64_EnCode(Coded),'=',''); //Base64_Encode()在Delphi中没有现成的函数。
end;
[解决办法]
function encrypt(str:string;key:string='123456'):string;var code:string; xorresult,s:string; keylength:integer; i:integer; count:integer; j:integer;begin code:=''; keylength:=Length(key); i:=1; count:=Length(str)+1;//为啥米要加1，难道因为i是从1开始计数的？; while (i<count) do begin if count-i<keylength then keylength:=count-i; setlength(xorresult,keylength); for j:=1 to keylength do begin s:=copy(str,i,keylength); xorresult[j]:=s[j]; xorresult[j]:=chr(ord(xorresult[j]) xor ord(key[j])); end; code:=code+xorresult; i:=i+keylength; end; //EncodeString()函数来源于 encddecd 单元,用来将字符串编码为base64 //DecodeString()函数用来解码 result:=StringReplace(EncodeString(code),'=','',[rfReplaceAll, rfIgnoreCase]);end;
