你可以插入这样的多个项目

$data = array(
    array(
            'id'      => 'sku_123ABC',
            'qty'     => 1,
            'price'   => 39.95,
            'name'    => 'T-Shirt',
            'options' => array('Size' => 'L', 'Color' => 'Red')
    ),
    array(
            'id'      => 'sku_567ZYX',
            'qty'     => 1,
            'price'   => 9.95,
            'name'    => 'Coffee Mug'
    ),
    array(
            'id'      => 'sku_965QRS',
            'qty'     => 1,
            'price'   => 29.95,
            'name'    => 'Shot Glass'
    )
);

$this->cart->insert($data);