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                合規國際互聯網加速 OSASE為企業客戶提供高速穩定SD-WAN國際加速解決方案。 廣告
                比如設置商品庫存為2000 ![](https://box.kancloud.cn/999011f1a1000660978183d9b028961e_793x267.png) 但在商品列表還是顯示為售罄 ![](https://box.kancloud.cn/b4c4ff52d44cb781f55a5d10a889b15f_1068x366.png) 這就是你的weiphp在安裝過程中增加觸發器失敗導致。在商城中有三個庫存量:可用庫存,物理庫存,鎖定庫存,它們的關系是: 可用庫存 = 物理庫存 - 鎖定庫存 鎖定庫存是指用戶下單時鎖定一個商品,如果30分鐘內完成支付那它就轉銷售量,否則它就要釋放回可用庫存中,供下一個用戶下單。 而是否售罄是由可用庫存決定的,它的值由數據庫觸發器來更新,因此如果觸發器有問題,它就有問題。 解決方案:手工增加觸發器,方法是在數據庫中執行以下SQL語句: ``` DROP TRIGGER IF EXISTS `add`; delimiter ;; CREATE TRIGGER `add` BEFORE INSERT ON `wp_shop_goods_stock` FOR EACH ROW set new.stock_active = new.stock - new.lock_count ;; delimiter ; DROP TRIGGER IF EXISTS `save`; delimiter ;; CREATE TRIGGER `save` BEFORE UPDATE ON `wp_shop_goods_stock` FOR EACH ROW set new.stock_active = new.stock - new.lock_count ;; delimiter ; ```
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                              哎呀哎呀视频在线观看