Question

因此，我尝试将数据库中的表中的值提取到html输入元素的占位符中。代码如下：

<input type="text" name="timesats" placeholder="
    <?php
        include($_SERVER['DOCUMENT_ROOT'].'/paycheck/scripts/connect.php');
        $user = $_SESSION['user'];
        $sql = "SELECT timesats WHERE email='$user'";
        $query= mysqli_query($dbc,$sql);
        $result = mysqli_fetch_object($query);
        echo($result);
    ?>
">

$dbc包含连接值。我没有错误，所以很难调试。表中的值不为空。

Answer 1

尝试

<?php
  include($_SERVER['DOCUMENT_ROOT'].'/paycheck/scripts/connect.php');
  $user = $_SESSION['user'];
  $sql = "SELECT timesats WHERE email='$user'";
  $query= mysqli_query($dbc,$sql);
  while ($obj = mysqli_fetch_object($query)) {
    $ph = $obj->timesats;
  }    
?>
<input type="text" name="timesats" placeholder="<?php echo $ph; ?>"/>

从mysql数据库中获取值

1 个答案: