Question

我写了一些PHP代码将记录插入到MySQL数据库中。我想显示一条消息，指示记录是否已成功添加到数据库。我试了好几次但是我失败了。

代码：

<?php
try {
    $db_user = 'root';
    $db_pass = 'cea123';
    $db = new PDO( 'mysql:host=localhost;dbname=symposium', $db_user, $db_pass );
    $form = $_POST;
    $sql = "INSERT INTO app ( 
            firstname, lastname, company, homepage, contactno, addressline1, addressline2, city,
          postalcode, country, email,  abstractdetails ) 
            VALUES ( 
            :firstname, :lastname, :company, :homepage, :contactno, :addressline1, :addressline2,
         :city,   :postalcode, :country, :email, :abstractdetails )";
    $query = $db->prepare( $sql );
    $query->execute( array( ':firstname'=>$firstname, ':lastname'=>$lastname, ':company'=>$company, ':homepage'=>$homepage, ':contactno'=>$contactno, ':addressline1'=>$addressline1, ':addressline2'=>$addressline2, ':city'=>$city, ':postalcode'=>$postalcode, ':country'=>$country, ':email'=>$email,  ':abstractdetails'=>$abstractdetails ));
}
catch(PDOException $e)
{
    echo $e->getMessage();
}
?>

Answer 1

您只需使用rowCount功能

即可查看

if($query->rowCount() > 0){
  echo "Record Inserted Successfully !!";
}

Answer 2

在您当前的代码中，您永远不会打印出一个文本，向您显示您的Insert已成功完成。

catch(PDOException $e)
{
    echo $e->getMessage();
}

如果出现错误，

只会显示错误。

要打印一个文本，告诉你它已成功，你必须在try块的末尾插入（在你的catch块之前）

 try {

     [...]
   if($query->rowCount() > 0){
     echo "Record Inserted Successfully !!";
   }
 } catch(PDOException $e) {
   [...]
 }

如果成功插入PDO，则显示消息

2 个答案: