php远程mysql数据库连接

$mysqli = new mysqli('远程服务器IP', '用户名', '密码', '数据库名', '端口');
$mysqli->options(MYSQLI_OPT_CONNECT_TIMEOUT, 10); // 设置连接超时时间为10秒

GRANT ALL PRIVILEGES ON 数据库名.* TO '用户名'@'%' IDENTIFIED BY '密码';
FLUSH PRIVILEGES;

<?php
$servername = "远程服务器IP";
$username = "用户名";
$password = "密码";
$dbname = "数据库名";

// 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);
}
echo "连接成功";

// 执行查询
$sql = "SELECT id, name FROM example_table";
$result = $conn->query($sql);

if ($result->num_rows > 0) {
    // 输出数据
    while($row = $result->fetch_assoc()) {
        echo "id: " . $row["id"]. " - Name: " . $row["name"]. "<br>";
    }
} else {
    echo "0 结果";
}
$conn->close();
?>