Question

可能重复：
Calling javascript function with php code

您好，

这是我之前发布的完整代码。问题是整个PHP代码工作正常但javascript代码无法正常工作。我甚至无法在我用于测试目的的javascript代码中打印第一行。任何人都可以告诉我它的原因。谢谢，

[code]

  <!doctype HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN">
  <html>
  <head>
  <title>AES (Rijndael) Encryption Test in JavaScript</title>
  <script src="aes-enc.js" type="text/javascript" language="JavaScript"></script>
  <script src="aes-dec.js" type="text/javascript" language="JavaScript"></script>
  <script src="aes-test.js" type="text/javascript" language="JavaScript"></script>
  <script type="text/javascript">

  function doDecryption()
            {
            document.write("Inside Javascript");
            var ct, key;
            var theForm = document.forms[0];
            blockSizeInBits=128;
            keySizeInBits = theForm.keySize[theForm.keySize.selectedIndex].value;

            if (theForm.key.value.toLowerCase().indexOf("0x") == 0)
            theForm.key.value = theForm.key.value.substring(2);
            if (theForm.ciphertext.value.toLowerCase().indexOf("0x") == 0)
            theForm.ciphertext.value = theForm.ciphertext.value.substring(2);

            if (theForm.key.value.length*4 != keySizeInBits)
     {
            alert("For a " + keySizeInBits + " bit key, the hex string needs to be " +
            (keySizeInBits / 4) + " hex characters long.");
            if (theForm.key.select)
            theForm.key.select();
            return;
     }

   if (theForm.ciphertext.value.length*4 != blockSizeInBits)
   {
    alert("For a " + blockSizeInBits + " bit block, the hex ciphertext string needs to     be " +
          (blockSizeInBits / 4) + " hex characters long.");
    if (theForm.ciphertext.select)
       theForm.ciphertext.select();
    return;
  }

  ct = hex2s(<?php echo $myValue; ?>);
  document.write("Inside Javascript");
  document.write(ct);
 // key = hex2s(theForm.key.value);
 // theForm.plaintext.value = byteArrayToHex(rijndaelDecrypt(ct, key, "ECB"));


            }


  </script>
  </head>

  <body>
  <?php
  mysql_connect("localhost","root","");
  mysql_select_db("encryption") or die(mysql_error());
  $userId = $_POST['userId'];


    if (($_SERVER['REQUEST_METHOD'] == 'POST') && ($_POST['key'] == ""))
    {

        $query = mysql_query("select * from employee_details where id = '$userId'");
            if($row=mysql_fetch_assoc($query))
                {
                    echo '<tr>';
                    foreach($row as $value)
                    echo '<td>'.$value.'</td>';
                    echo '</tr>';
                }

            else { echo "No rows returned"; }}
    else if (($_SERVER['REQUEST_METHOD'] == 'POST') && ($_POST['key']))
        {

           $columname = "ciphertext";
           $tablename = "employee_details";



                function getField($field, $tbl_name, $condition)
            {

                $result = mysql_query("SELECT $field FROM $tbl_name WHERE id = ".$condition);

                 return @mysql_result($result, 0);
            }

                $myValue = getField($columname,$tablename,$userId);

                echo "$myValue";
                echo '<script type="text/javascript">
                    doDecryption();
                    </script>';
                echo "whats happening";
                //doDecryption();

        }

   ?>
   </body>
   </html>
   [/code]

用php代码调用javascript函数 - 不工作

0 个答案: