php连接远程mysql数据库实例_PHP教程

$con = mysql_connect("localhost","peter","abc123");
if (!$con)
{
die('Could not connect: ' . mysql_error());
}

// some code

?>

$conn=mysql_connect('150.125.221.25','root','123');
if(!$conn) echo "失败!";
else echo "成功!";

// 从表中提取信息的sql语句
$sql="SELECT * FROM user where userName='$user_name'";
// 执行sql查询
$result=mysql_db_query('info', $sql, $conn);
// 获取查询结果
$row=mysql_fetch_row($result);
mysql_close();