thinkphp/library/think/db/builder/Mysql.php

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<?php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2018 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st <liu21st@gmail.com>
// +----------------------------------------------------------------------

namespace think\db\builder;

use think\db\Builder;
use think\Exception;

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

    protected $insertAllSql = '%INSERT% INTO %TABLE% (%FIELD%) VALUES %DATA% %COMMENT%';
    protected $updateSql    = 'UPDATE %TABLE% %JOIN% SET %SET% %WHERE% %ORDER%%LIMIT% %LOCK%%COMMENT%';

    /**
     * 生成insertall SQL
     * @access public
     * @param array     $dataSet 数据集
     * @param array     $options 表达式
     * @param bool      $replace 是否replace
     * @return string
     * @throws Exception
     */
    public function insertAll($dataSet, $options = [], $replace = false)
    {
        // 获取合法的字段
        if ('*' == $options['field']) {
            $fields = array_keys($this->query->getFieldsType($options['table']));
        } else {
            $fields = $options['field'];
        }

        foreach ($dataSet as $data) {
            foreach ($data as $key => $val) {
                if (!in_array($key, $fields, true)) {
                    if ($options['strict']) {
                        throw new Exception('fields not exists:[' . $key . ']');
                    }
                    unset($data[$key]);
                } elseif (is_null($val)) {
                    $data[$key] = 'NULL';
                } elseif (is_scalar($val)) {
                    $data[$key] = $this->parseValue($val, $key);
                } elseif (is_object($val) && method_exists($val, '__toString')) {
                    // 对象数据写入
                    $data[$key] = $val->__toString();
                } else {
                    // 过滤掉非标量数据
                    unset($data[$key]);