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PHP中的確認框?

[英]Confirm Box in PHP?

我正在開發一個 Web 應用程序,我想在按下停用按鈕時從用戶那里得到答案(是或否)。 我想問他是否要停用該帳戶。 我正在使用 PHP 在停用時將活動狀態設置為 = 1,將激活狀態設置為 0。

我想得到結果並在 PHP 中驗證查詢是否運行。

如果有人幫助我,我將不勝感激,謝謝。 這是代碼:

 if(isset($_POST['desativar']))
{

  $login = $_SESSION['login'];


   mysqli_query($conexao,"UPDATE usuarios SET ativo_usuario = 1 WHERE login_usuario='$login'");

}
**JS**

    <script type="text/javascript">
    function confirmDesactiv()
    {
       var flag = confirm("Are you sure ?");
       if(flag)
            window.open("yourphp.php?id=" + 1);
        else
            window.open("yourphp.php?id=" + 0);
    }

</script>
**HTML**    



    <form method="POST" action="">
    <button type="submit" onclick="confirmDesactiv()">Desactiv my account</button>
    </form>



**PHP**   

<?php
echo $_GET['id'];
if(isset($_GET['id']) && $_GET['id'])
{
    //your update query will come here
}
?>                                                                                            

試試看。

function confirm_delete(){
    if(confirm("Are you sure you want to delete this..?") === true){
        return true;
    }else{
        return false;
   }
 }

 <input type="button" Onclick="confirm_delete()">

您可以使用onsubmit屬性。

例子

 function confirmDesactiv() { if(confirm("Are you sure ?")) return true; return false; }
 <form method="POST" action="yourphp.php" onsubmit="return confirmDesactiv()"> <button type="submit">Desactiv my account</button> </form>

您可以使用 PHP 來制作類似確認框的東西。 下面是一個小示例代碼,向您展示如何:

<?php
session_start();

if (isset($_POST['submit'])) {
    $_SESSION['postdata'] = $_POST;
    header("Location: ".$_SERVER['PHP_SELF']);
    exit;
} else if (isset($_POST['confirm']) && $_POST['confirm'] == 'yes') {
    // Do stuff that should only be done after confirming
} elseif (isset($_POST['confirm']) && $_POST['confirm'] == 'no') {
    // Cancelled, redirect back to page
    header("Location: ".$_SERVER['PHP_SELF']);
    exit;
}
?>

<?php if (isset($_SESSION['postdata']) && !isset($_POST['confirm'])): ?>
    <form method="POST" action="<?= $_SERVER['PHP_SELF']; ?>">
        Are you sure you want to do this?<br />
        <input type="submit" name="confirm" value="yes">
        <input type="submit" name="confirm" value="no">
    </form>
<?php else: ?>
    <!-- Your form here -->
<?php endif; ?>

如果您不想使用 AJAX,並假設您的頁面名為 index.php:

<?
   $deactivateStatusDisplay = "display: none"; // Initially, do not display a status.
   $deactivateStatusMsg = ""; //Status message is initialized as blank.
   $queryRan = false; // Just a flag to know if the user clicked deactivation link.

   if( 1 === $_GET['deactivate'] ){
      $deactivateStatusDisplay = "display: block";
      $deactivateStatusMsg = "Your account will be deactivated.";
      $queryRan = true;
   }
?>

<!DOCTYPE html >
<html>
     <head>
       <!-- ALL YOUR METADATA -->
     </head>
     <body>
         <div>Do you want to deactivate your account?</div>
         <a href="index.php?deactivate=1">DEACTIVATE</a>
         <div id="status" style="<? echo $deactivateStatusDisplay ?>"><? echo $deactivateStatusMsg ?></div>
     </body>
</html>

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