vendor/topthink/think-orm/src/db/connector/Mysql.php

这里只显示每个文件的开头 60 行。登录后可以解锁完整代码。

微信扫码关注公众号，代码整理好后第一时间通知你。

<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2019 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace think\db\connector;

use PDO;
use think\db\PDOConnection;

/**
 * mysql数据库驱动
 */
class Mysql extends PDOConnection
{

    /**
     * 解析pdo连接的dsn信息
     * @access protected
     * @param  array $config 连接信息
     * @return string
     */
    protected function parseDsn(array $config): string
    {
        if (!empty($config['socket'])) {
            $dsn = 'mysql:unix_socket=' . $config['socket'];
        } elseif (!empty($config['hostport'])) {
            $dsn = 'mysql:host=' . $config['hostname'] . ';port=' . $config['hostport'];
        } else {
            $dsn = 'mysql:host=' . $config['hostname'];
        }
        $dsn .= ';dbname=' . $config['database'];

        if (!empty($config['charset'])) {
            $dsn .= ';charset=' . $config['charset'];
        }

        return $dsn;
    }

    /**
     * 取得数据表的字段信息
     * @access public
     * @param  string $tableName
     * @return array
     */
    public function getFields(string $tableName): array
    {
        [$tableName] = explode(' ', $tableName);

        if (false === strpos($tableName, '`')) {
            if (strpos($tableName, '.')) {
                $tableName = str_replace('.', '`.`', $tableName);