table('user_coupon') ->addColumn('discount_type', 'integer', array('limit' => 3, 'signed' => false, 'default' => 0, 'comment' => '折扣券类型 1-用户首次下单 2-下单满指定金额 3-下单立享')) ->changeColumn('discount', 'integer', array('limit' => 11, 'signed' => false, 'default' => 0, 'comment' => '折扣券-折扣率(0-100)')) ->addColumn('max_discount_price', 'decimal',array('limit' => 11,'precision'=>10,'scale'=>2,'signed'=>false,'default'=>0,'comment'=>'最多优惠金额')) ->addColumn('overlay_discount', 'string', array('limit' => 30, 'signed' => false, 'default' => '', 'comment' => '叠加优惠 1-分销员商品折扣 多个以逗号分隔')) ->save(); } }