完整的PDO连接数据库小案例

abstract：database.php<?php return [     'type'=>'mysql',     'host'=>'127.0.0.1',     'dbname'=

database.php

<?php
return [
    'type'=>'mysql',
    'host'=>'127.0.0.1',
    'dbname'=>'php',
    'username'=>'root',
    'password'=>'root'
];

connect.php

<?php
$db=require 'database.php';
$dsn="{$db['type']}:host={$db['host']};dbname={$db['dbname']}";
$username=$db['username'];
$password=$db['password'];
try{
    $pdo=new PDO($dsn,$username,$password);
    var_dump($pdo);
    $pdo=null;
}catch(PDOException $e){
    die("连接失败".$e->getMessage());
}

PHP

MySQL

HTML

CSS

JavaScript

jQuery

AJAX

Html5

CSS3

Linux

Redis

Memcached

Correcting teacher：天蓬老师Correction time：2019-08-02 16:28:06
Teacher's summary：完成的不错, PDO连接数据库, 比MySQLi要优雅的多