如何使用准备好的语句将表单数据插入PDO? [英] How to insert form data into PDO using prepared statements?
本文介绍了如何使用准备好的语句将表单数据插入PDO?的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
所以我从w3schools中学到了这一点. .但是，该示例使用了直接注入代码中的数据.我想知道如何使用相同的代码块，但从表单接收数据
SO I learned this from w3schools. . .however the example used data directly injected into the code. I was wondering how can I use the same code block but receive data from a form instead
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDBPDO";
try {
$conn = new PDO("mysql:host=$servername;dbname=$dbname", $username,
$password);
// set the PDO error mode to exception
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// prepare sql and bind parameters
$stmt = $conn->prepare("INSERT INTO MyGuests (firstname, lastname,
email)
VALUES (:firstname, :lastname, :email)");
$stmt->bindParam(':firstname', $firstname);
$stmt->bindParam(':lastname', $lastname);
$stmt->bindParam(':email', $email);
// insert a row
$firstname = "John";
$lastname = "Doe";
$email = "john@example.com";
$stmt->execute();
// insert another row
$firstname = "Mary";
$lastname = "Moe";
$email = "mary@example.com";
$stmt->execute();
// insert another row
$firstname = "Julie";
$lastname = "Dooley";
$email = "julie@example.com";
$stmt->execute();
echo "New records created successfully";
}
catch(PDOException $e)
{
echo "Error: " . $e->getMessage();
}
$conn = null;
?>
推荐答案
我认为您需要学习 PHP表单处理优先
示例make form.html是
example make form.html is
<html>
<body>
<form action="insert.php" method="post">
Name: <input type="text" name="firstname"><br>
Name: <input type="text" name="lastname"><br>
E-mail: <input type="text" name="email"><br>
<input type="submit">
</form>
</body>
</html>
然后将数据处理到数据库中，使其成为insert.php
then to data handling to database make insert.php
<?php
$servername = "localhost";
$username = "root";
$password = "yaskur";
$dbname = "test";
try {
$conn = new PDO("mysql:host=$servername;dbname=$dbname", $username,
$password);
// set the PDO error mode to exception
$conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);
// prepare sql and bind parameters
$stmt = $conn->prepare("INSERT INTO MyGuests (firstname, lastname,
email)
VALUES (:firstname, :lastname, :email)");
$stmt->bindParam(':firstname', $firstname);
$stmt->bindParam(':lastname', $lastname);
$stmt->bindParam(':email', $email);
// insert a row
$firstname = $_POST["firstname"];
$lastname = $_POST["lastname"];
$email = $_POST["email"];
$stmt->execute();
echo "New records created successfully";
}
catch(PDOException $e)
{
echo "Error: " . $e->getMessage();
}
$conn = null;
?>
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