// if the 'id' variable is not set in the URL, we must be creating a new record
else
{
// if the form's submit button is clicked, we need to process the form
if (isset($_POST['submit']))
{
// get the form data
$mtcn = htmlentities($_POST['mtcn'], ENT_QUOTES);
$amount = htmlentities($_POST['amount'], ENT_QUOTES);
$currency = htmlentities($_POST['currency'], ENT_QUOTES);
$sender_name = htmlentities($_POST['sender_name'], ENT_QUOTES);
$sender_country = htmlentities($_POST['sender_country'], ENT_QUOTES);
$receiver_name = htmlentities($_POST['receiver_name'], ENT_QUOTES);
$comment = htmlentities($_POST['comment'], ENT_QUOTES);
$support = htmlentities($_POST['support'], ENT_QUOTES);
$email = htmlentities($_POST['email'], ENT_QUOTES);
// check that mtcn and amount are both not empty
if ($mtcn == '' || $amount == '')
{
// if they are empty, show an error message and display the form
$error = 'ERROR: Please fill in all required fields!';
renderForm($mtcn, $amount, $currency, $sender_name, $sender_country, $receiver_name, $comment, $support, $email, $error);
}
else
{
// insert the new record into the database
if ($stmt = $mysqli->prepare("INSERT date (mtcn, amount, currency, sender_name, sender_country, receiver_name, comment, support, email) VALUES (?, ?, ?, ?, ?, ?, ?, ?, ?)"))
{
$stmt->bind_param("ss", $mtcn, $amount, $currency, $sender_name, $sender_country, $receiver_name, $comment, $support, $email);
$stmt->execute();
$stmt->close();
}
// show an error if the query has an error
else
{
echo "ERROR: Could not prepare SQL statement.";
}
// redirec the user
// header("Location: view.php");
}
}
// if the form hasn't been submitted yet, show the form
else
{
renderForm();
}
}
// close the mysqli connection
$mysqli->close();
当我运行脚本时，我收到错误：
警告：mysqli_stmt::bind_param() [mysqli-stmt.bind-param]：类型定义字符串中的元素数与第 205 行 C:\wamp\www\records.php 中的绑定变量数不匹配
警告：mysqli_stmt::execute() [mysqli-stmt.execute]: (HY000/2031): 没有为第 206 行 C:\wamp\www\records.php 中的准备好的语句中的参数提供数据
知道如何解决吗？我计算了 bind_param 中的参数，它们对我来说似乎很好......