数据插入

<?php
    public function Insert($data)
    {
        $fields = '';
        $values = '';
        foreach ($data as $key => $value) {
            $fields .= $key;
            $values .= $value;
        }
        $fields = rtrim($fields,',');
        $values = rtrim($value,',');
        $sql = 'INSERT INTO user($fields) VALUES($values)';
        return $this->db->exec($sql);
    }

 ?>