add refund and fix some order

Helius

2021-09-23 2ac550a8e49e1e6105793a30c3e21a37f4397cff

 src/main/java/cc/mrbird/febs/mall/entity/MallGoods.java

@@ -29,6 +29,15 @@

    private Integer isSale;

    /**
     * 上架
     */
    public static final Integer ISSALE_STATUS_ENABLE = 1;
    /**
     * 下架
     */
    public static final Integer ISSALE_STATUS_DISABLED = 2;

    private String originalPrice;

    private String presentPrice;