Javascript 如何在php外部调用函数？_Javascript_Php

Javascript 如何在php外部调用函数？

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Javascript 如何在php外部调用函数？,javascript,php,Javascript,Php,当我在消息框中填写电子邮件地址列表并单击submit按钮时，当我使用此代码发布消息时，如何从php中的javascript调用closepopup函数 if (!empty($_POST['message'])) { $emails = explode("\n", $_POST['message']); // explode textarea on a line break into an array $email_str = implode(", ", $emails); /

当我在消息框中填写电子邮件地址列表并单击submit按钮时，当我使用此代码发布消息时，如何从php中的javascript调用closepopup函数

if (!empty($_POST['message'])) 
{
    $emails = explode("\n", $_POST['message']); // explode textarea on a line break into an array
    $email_str = implode(", ", $emails); // take each of the emails and implode together with the ,
}

当我尝试这个的时候

if (!empty($_POST['message'])) 
{
    $emails = explode("\n", $_POST['message']); // explode textarea on a line break into an array
    $email_str = implode(", ", $emails); // take each of the emails and implode together with the ,
    closePopUp();
}

它会给我一个错误：致命错误：在第6行的/home/myusername/public_html/PHP/examples/send.PHP中调用未定义的函数closePopUp

以下是完整的代码：

<?php
    if (!empty($_POST['message'])) 
    {
        $emails = explode("\n", $_POST['message']); // explode textarea on a line break into an array
        $email_str = implode(", ", $emails); // take each of the emails and implode together with the ,
    }
?>

<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
    <head>
        <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
    <title>Send Email</title>
    <link type="text/css" rel="stylesheet" href="style.css"  />
    </head>
    <body>
    <form action="pr_send.php" method="POST">
    <table> 
        <!-- <tr>
            <td>From:</td>
            <td><input type="text" name="from"></td>
        </tr> -->
        <tr>
            <td><input type="button" name="to" value="" style="height:24px; width:24px; background:url('addressbook.png'); border:none;" onClick="Popup()"> To:</td> 
            <td><input type="text" name="to" value="<?php if (!empty($email_str)) { echo $email_str; } ?>" style="height:15px; width:650px"></td>
        </tr>
        <tr>
            <td>Subject:</td>
            <td><input type="text" name="subject" style="height:15px; width:650px"></td>
        </tr>
        <tr>
            <td>Message:</td>
            <td><textarea name="message" cols="90" rows="20"></textarea></td>
        </tr>
        <tr>
            <td colspan="2" align="left">
               <input type="submit" name="send" value="" style="height:35px; width:100px; background:url('send.png'); border:none">
            </td>
        </tr>

    </table>
    </form>
    </body>
<script type="text/javascript">
var popup = null;
function Popup() 
{
  window.open("add_address.php", "_blank", "toolbar=yes, scrollbars=yes, resizable=yes, top=100, left=500, width=400, height=400");
}
function closePopUp() 
{
  if (popup) 
  {
    popup.close();
  }
}

</script>

</html>

我们可以像这样在php代码中调用javascript函数

 if (!empty($_POST['message'])) 
 {
   $emails = explode("\n", $_POST['message']); // explode textarea on a line break into an array
   $email_str = implode(", ", $emails); // take each of the emails and implode together with the ,

   echo '<script> closePopUp(); </script>'; //call javascript function
 }

它是未定义的，您直接在PHP脚本中调用javascript函数，它不是这样工作的，PHP是服务器端，javascript是客户端side@Ghost是的，我知道，但我想关上窗户。我怎么能做到呢？@TimCullen提交后，在add_地址内关闭窗口。php@Ghost哦，好的，那你怎么用它来关闭弹出窗口呢？谢谢你，但当我尝试它时，它不起作用。如何关闭窗口并在add_address.php中输出消息中的电子邮件地址，以将其输出到send.php的文本框中？