<?php   
 function strencode($string) {   
    $string = base64_encode ( $string );   
    $key = md5 ( '123456' );   
    $len = strlen ( $key );  
    $code = '';   
    for($i = 0; $i < strlen ( $string ); $i ++) {       
 $k = $i % $len;       
 $code .= $string [$i] ^ $key [$k];   
    }   
    return base64_encode ( $code );   
}   
echo strencode ( 'abced你好我是你們定的點(diǎn)點(diǎn)滴滴asd@#$)()*&*&*' );   
?>  

js解密函數(shù)：

復(fù)制代碼代碼如下:

<script>   
function strencode(string) {   
key = calcMD5('123456');   
string = Base64.decode(string);   
 len = key.length;   
 code = '';   
 for (i = 0; i < string.length; i++) {   
     k = i % len;   
     code += String.fromCharCode(string.charCodeAt(i) ^ key.charCodeAt(k));   
 }   
 return Base64.decode(code);   
}
alert(strencode('PGZ6Cz40Z1JCWCYNRVtSDwsvfVsIexpcEFN0DU0OSQkXQUIPCQxnV1NLDA9SSw8PF1JhWxAHZ18FAGIncUFiFS5yWxAuClxUf15fXA=='));   
</script>  

PHP 加密 & JS 解密2

復(fù)制代碼代碼如下:

<?php
if(!function_exists(jm))
{
    function jm($str){
  $len = strlen($str);
  for($i=0;$i<$len;$i++)
  {
   $ascc=ord($str[$i]);
   if($ascc<128)
   {
    $ascc=$ascc^7;
   }
   $res.=chr($ascc);
  }
  return $res;
    }//end function
}
echo "<script>
xflag=true;
function xcount(xh){
 if(!xflag) return;
 var xc=\"\",xd=new Array(),xe=\"\",xf=0;
 for(i=0;i<xh.length;i++){
  xa=xh.charCodeAt(i);
  if(xa<128)xa=xa^7;
  xe+=String.fromCharCode(xa);
  if(xe.length>80){
   xd[xf++]=xe;xe=\"\";
   }
 }
 xc=xd.join(\"\")+xe;
 document.write(xc);
}</script>";
$check_count = addslashes(jm("<script>alert('測(cè)試咯~~~');</script>"));
$check_count="<SCRIPT LANGUAGE=\"JavaScript\">xcount(\"$check_count\");</SCRIPT>";
echo "$check_count";
echo "<!-- count ended -->";