Question

我正在尝试创建一个搜索栏来搜索我的数据库，但是它总是返回0个结果，

这是连接和搜索代码，

<?php
  $serverName = "server";
  $connectionInfo = array( "Database"=>"server");
  $conn = sqlsrv_connect( $serverName, $connectionInfo);
if( $conn ) {
    echo "Connection established.<br />";
  }else{
    echo "Connection could not be established.<br />";
    die( print_r( sqlsrv_errors(), true));
  }

  $output ='';

  if(isset($_POST['PartSelect'])){
    $searchq = $_POST['PartSelect'];
    $query = sqlsrv_query($conn, "SELECT * FROM Parts WHERE PartNumber LIKE '%$searchq%'") or die ("Could not search");
    $count = sqlsrv_num_rows($query);
    if($count == 0){
      $output = 'There are no results';

-----本节是新的错误代码-----

            $rows = sqlsrv_has_rows( $query );
      if ($rows === true)
        echo "\nthere are rows\n";
     else
        echo "\nno rows\n";

----结束部分------ 打印出来说它有行，所以它可以拾取数据，

}
    else {
      while ($row = sqlsrv_fetch_array($query)){
        $Partno = $row['PartNumber'];
        $output .= '<div>'.$PartNo. '</div>';
      }
 }
      ?>

这里是搜索栏和提交按钮（我正在使用物化作为框架），最后是输出。

<form action="Tests.php" method="post">
    <div class="form-group">
      <br/><input name="PartSelect" type="text" class="form-control" id="PartSelect" aria-describedby="nameHelp" placeholder="Enter Part">
      <br/><button name="SelectPartbtn" id="Submitbtn" type="Submit" class="waves-effect waves-light btn">Find</button>
    </div>

    <?php print ("$output"); ?>

  </form>

Answer 1

尝试使用此代码检查连接是否建立

$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";

// Create connection
$conn = sqlsrv_connect($servername, $username, $password, $dbname);
// Check connection
if (!$conn) {
    die("Connection failed: " . sqlsrv_errors());
}

PHP SQL搜索未返回任何结果

1 个答案: