'用户', 'Voucher_id' => '优惠券', 'Takeamount' => '折扣数额', 'Fullamount' => '使用满足数额', 'Status' => '状态', 'Expiretime' => '过期时间', 'Createtime' => '添加时间', 'Updatetime' => '更新时间', 'User.username' => '用户名', "use" => "已使用", "expire" => "过期" ];