'订单id', 'User_id' => '用户id', 'Coupon_id' => '优惠券id', 'Coupon_name' => '券名称', 'Remark' => '备注', 'Coupon_price' => '金额', 'Limit_price' => '最低限额', 'Issuance_time' => '发放时间', 'Expiration' => '过期时间', 'Usage_time' => '使用时间', 'Coupon_status' => '状态', 'Coupon_status 0' => '待使用', 'Coupon_status 1' => '已使用', 'Coupon_status 2' => '已过期', 'Createtime' => '创建时间', 'User.nickname' => '昵称', 'Coupon_type' => '券类型', 'Coupon_type 1' => '代驾券', 'Coupon_type 2' => '拼车券', 'Coupon_type 3' => '货运券', 'Coupon_name' => '券名称', 'Coupon_name 1' => '新手券', 'Coupon_name 2' => '福利券', ];