php mysql插入语句

INSERT INTO table_name (column1, column2, column3, ...)
VALUES (value1, value2, value3, ...);

<?php
$servername = "localhost";
$username = "your_username";
$password = "your_password";
$dbname = "your_database";

// 创建连接
$conn = new mysqli($servername, $username, $password, $dbname);

// 检查连接
if ($conn->connect_error) {
    die("连接失败: " . $conn->connect_error);
}

// 插入单条记录
$sql = "INSERT INTO users (username, email) VALUES ('john_doe', 'john@example.com')";

if ($conn->query($sql) === TRUE) {
    echo "新记录插入成功";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

// 插入多条记录
$sql = "INSERT INTO users (username, email) VALUES 
('jane_doe', 'jane@example.com'),
('alex_smith', 'alex@example.com')";

if ($conn->query($sql) === TRUE) {
    echo "多条记录插入成功";
} else {
    echo "Error: " . $sql . "<br>" . $conn->error;
}

$conn->close();
?>

$stmt = $conn->prepare("INSERT INTO users (username, email) VALUES (?, ?)");
$stmt->bind_param("ss", $username, $email);
$username = "john_doe";
$email = "john@example.com";
$stmt->execute();