phpstorm如何调取mysql数据库

1、添加php_mysqli.dll 可以从官网下载到，放到 php 目录的 extend 目录下面就可以了。

2、修改配置文件 php.ini 文件，添加下面语句extension=php_mysqli.dll

3、简单的例子：<?php$servername = "挢旗扦渌;localhost";$username 租涫疼迟= "username";$password = "password";$dbname = "myDB"; // 创建连接$conn = new mysqli($servername, $username, $password, $dbname);// Check connectionif ($conn->connect_error) { die("连接失败: " . $conn->connect_error);} $sql = "SELECT id, firstname, lastname FROM MyGuests";$result = $conn->query($sql); if ($result->num_rows > 0) { // 输出数据 while($row = $result->fetch_assoc()) { echo "id: " . $row["id"]. " - Name: " . $row["firstname"]. " " . $row["lastname"]. "<br>"; }} else { echo "0 结果";}$conn->close();?>