PHP MySQL ?? ???
MySQLi ? PDO? ???? MySQL? ??? ??
??????? ???? ??? ? ???? ???? ??? ? ????. <… ?? >
3. ?? ??? ???? ???? ????4. NULL ??? ???? ???? ????INSERT INTO ?? ????? ? ???? ???? ? ?????. MySQL ????:INSERT INTO table_name (column1, column2, column3,...)VALUES (value1, value2, value3,...)
?? MySQL ???? ????? ? ???? ??? ?? ????:INSERT INTO table_name (column1, column2,...)VALUES (value1, value2,...),(value1, value2,. ..),(value1, value2,...) ;
SQL? ?? ??? ????? SQL ????? ?????. ?? ??? "MyGuests" ???? ????? ??? ??? "id", "firstname", "lastname", "email" ? "reg_date"???. ?? ???? ???? ?? ?????.??:
?? AUTO_INCREMENT(?: "id" ?) ?? TIMESTAMP(?: "reg_date" ?)? ??? ???? ??? ??? ??? ????. SQL ???? ?? ???? MySQL? ???? ?? ?? ?????.
?? ????? "MyGuests" ???? ? ???? ?????.
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";
// 創(chuàng)建連接
$conn = new mysqli($servername, $username, $password, $dbname);
// 檢測(cè)連接
if ($conn->connect_error) {
die("連接失敗: " . $conn->connect_error);
}
$sql = "INSERT INTO MyGuests (firstname, lastname, email)
VALUES ('John', 'Doe', 'john@example.com')";
if ($conn->query($sql) === TRUE) {
echo "新記錄插入成功";
} else {
echo "Error: " . $sql . "<br>" . $conn->error;
}
$conn->close();
?>
<?php
$servername = "localhost";
$username = "username";
$password = "password";
$dbname = "myDB";
// 創(chuàng)建連接
$conn = mysqli_connect($servername, $username, $password, $dbname);
// 檢測(cè)連接
if (!$conn) {
die("Connection failed: " . mysqli_connect_error());
}
$sql = "INSERT INTO MyGuests (firstname, lastname, email)
VALUES ('John', 'Doe', 'john@example.com')";
if (mysqli_query($conn, $sql)) {
echo "新記錄插入成功";
} else {
echo "Error: " . $sql . "<br>" . mysqli_error($conn);
}
mysqli_close($conn);
?>????(PDO) ????
