如何在PHP类文件中返回javascript - how to return javascript in a php class file ?

how to return javascript in a php class file ?

本文关键字：返回 javascript 文件 PHP | 更新日期: 2023-09-26

我希望下面的javascript代码在PHP类文件中回显。我怎样才能做到呢?

echo '<script language="JavaScript" type="text/javascript">'."'n";
        echo 'var parDoc = window.parent.document;';
        if ($result == 'OK') {
        echo 'parDoc.getElementById("picture_error").innerHTML =  "";';
        }
        else {
        echo "parDoc.getElementById('picture_error').innerHTML = '".$result_msg."';";
        }
        if($filename != '') {
        echo "parDoc.getElementById('picture_preview').innerHTML = '<img src=''$preview_url$filename'' id=''preview_picture_tag'' name=''preview_picture_tag'' width=''60'' />';";
        }
        echo "'n".'</script>';
        exit(); // do not go futher

<?php 
?>
<script language="JavaScript" type="text/javascript">
var parDoc = window.parent.document;
<?php
if ($result == 'OK') { 
    ?>       
    parDoc.getElementById("picture_error").innerHTML =  "";
    <?php 
} 
else {
    ?>
     parDoc.getElementById("picture_error").innerHTML = "<?php echo $result_msg;?>";
    <?php
}
if($filename != '') {
      ?>
      parDoc.getElementById("picture_preview").innerHTML = '<img 
                                    src=''<?php echo $preview_url.$filename;?>'' 
                                    id=''preview_picture_tag'' 
                                    name=''preview_picture_tag'' 
                                    width=''60'' />';
      <?php
        }
       ?>
        </script>
        exit(); // do not go futher

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