Question

因为即时通讯使用html代码和同一页面中的php代码echo语句在加载页面时得到打印我需要在搜索结果为空时打印它可以告诉任何人可以做什么来停止打印echo语句加载时页面我想在同一页面显示搜索结果，所以我在同一页面使用html和php代码

<div class="container" style="border-style:solid; border-width:medium;width: 550px;">
<br/>
<form method="post">
<div class="form-group">
    Name
    <br/>
    <input type="text" class="form-control" name="name"  />
    </div>
    <div class="form-group">
   Email <br/>
   <input type="text" class="form-control"name ="email"  />
   </div>
   <div class="form-group">
    Qualification<br/>
    <input type="text" class="form-control" name ="qualify" />
    </div>
    <input type="submit" value="Search" />

</form>
<br/>
</div>
<?php
session_start();
?>

<?php
if (isset($_SESSION['message11']))
{
    echo $_SESSION['message11'];
    unset($_SESSION['message11']);
}
?>
<?php
 $servername = "localhost";
$username = "root";
$password = "root";
$dbname = "myDB";

// Create connection
$conn = new mysqli($servername, $username, $password, $dbname);
// Check connection
if ($conn->connect_error) {
    die("Connection failed: " . $conn->connect_error);
}
   $name=$_POST['name'];
 $email=$_POST['email'];
   $qualification=$_POST['qualify'];
 $sql = "SELECT * FROM form WHERE Name ='$name' AND EmailAddress = '$email' AND Qualification = '$qualification' ";
 $result=$conn->query($sql);

 /*   if($result->num_rows === 0) 
{
  echo '<p style="margin-left:340px">no records</p>';
 } */
 //else {


  while($row = $result->fetch_assoc())
 {
    $_SESSION["snum"]=$row['sno'];
    $_SESSION["nam"]=$row['Name'];
    $_SESSION["quali"]=$row['Qualification'];
    $_SESSION["emai"]=$row['EmailAddress'];
  echo '<br>';
  echo '<form>';
  echo '<input style="margin-left:340px;padding-bottom:10px" type=checkbox>&nbsp;user Details</input>';
  echo '<br>';
  echo '<br>';
  echo '<div class="container" style="border-style:solid; border-width:medium;width: 550px;">';
  echo '<br>';
    echo 'Name: '.$row['Name']; 
    echo '<br /> EmailAddress: ' .$row['EmailAddress'];
    echo '<br /> Qualification: '.$row['Qualification'];
    echo '<br /> DOB: '.$row['DOB'];
    echo '<br/>';
    echo '<br/>';
    echo '<a href="received.php">invite</a>';
    echo '<br/>';
    echo '<br/>';
    echo '</div>';
     echo '<br/>';
    }
  //}

$conn->close();    
?>

Answer 1

您可以添加以下检查以显示消息。

if(!empty($_POST)) {
    if($result->num_rows === 0) {
        echo '<p style="margin-left:340px">no records</p>';
     }
}

如何在php中停止打印echo语句？

1 个答案: