php连接、查询mysql数据库

2024-07-24 12:59:41

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<?php/** * Created by PhpStorm. * User: karnetkarnet * Date: 17/3/3 * Time: 09:46 */define('SQL_HOST','localhost');//数据库地址define("SQL_USER","root");//数据库用户名define("SQL_PASSWord","");//数据库密码define("SQL_DATABASE","shop");//连接的数据库名字define("SQL_PORT","3306");//数据库端口号,默认为3306//define("SQL_SOCKDET","");$MySQL = mysqli_connect(SQL_HOST,SQL_USER,SQL_PASSWORD,SQL_DATABASE,SQL_PORT) or die(mysqli_error());//连接不上切换数据库//mysqli_select_db(SQLDATABASE);//查询语句$sql = "select* from goods";//查询$results = $mysql -> query($sql);PRint_r($results);//遍历循环打印数据while ($row = mysqli_fetch_array($results)){// print_r($row); echo $row['goods_name']; echo "<br>";}//释放mysqli_free_result($results);//关闭连接mysqli_close($mysql);?>

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