<?php$servername = "localhost";$username = "username";$password = "password";try {  $conn = new PDO("mysql:host=$servername", $username, $password);  // 設(shè)置 PDO 錯(cuò)誤模式為異常  $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);  $sql = "CREATE DATABASE myDBPDO";  // 使用 exec() ，因?yàn)闆]有結(jié)果返回  $conn->exec($sql);  echo "數(shù)據(jù)庫創(chuàng)建成功<br>";}catch(PDOException $e){  echo $sql . "<br>" . $e->getMessage();}$conn = null;?>

<?php$servername = "localhost";$username = "username";$password = "password";$dbname = "myDBPDO";try {  $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);  // 設(shè)置 PDO 錯(cuò)誤模式，用于拋出異常  $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);  // 使用 sql 創(chuàng)建數(shù)據(jù)表  $sql = "CREATE TABLE MyGuests (  id INT(6) UNSIGNED AUTO_INCREMENT PRIMARY KEY,  firstname VARCHAR(30) NOT NULL,  lastname VARCHAR(30) NOT NULL,  email VARCHAR(50),  reg_date TIMESTAMP  )";  // 使用 exec() ，沒有結(jié)果返回  $conn->exec($sql);  echo "數(shù)據(jù)表 MyGuests 創(chuàng)建成功";}catch(PDOException $e){  echo $sql . "<br>" . $e->getMessage();}$conn = null;?>

<?php$servername = "localhost";$username = "username";$password = "password";$dbname = "myDBPDO";try {  $conn = new PDO("mysql:host=$servername;dbname=$dbname", $username, $password);  // set the PDO error mode to exception  $conn->setAttribute(PDO::ATTR_ERRMODE, PDO::ERRMODE_EXCEPTION);  // 開始事務(wù)  $conn->beginTransaction();  // SQL 語句  $conn->exec("INSERT INTO MyGuests (firstname, lastname, email)  VALUES ('John', 'Doe', 'john@example.com')");  $conn->exec("INSERT INTO MyGuests (firstname, lastname, email)  VALUES ('Mary', 'Moe', 'mary@example.com')");  $conn->exec("INSERT INTO MyGuests (firstname, lastname, email)  VALUES ('Julie', 'Dooley', 'julie@example.com')");  // 提交事務(wù)  $conn->commit();  echo "新記錄插入成功";}catch(PDOException $e){  // 如果執(zhí)行失敗回滾  $conn->rollback();  echo $sql . "<br>" . $e->getMessage();}$conn = null;?>