循环每个不得小于0

for (var i = 0; i < this.data.OrdersGoods.length; i++) {
            
            if(!this.data.OrdersGoods[i].SelNum || this.data.OrdersGoods[i].SelNum == 0){
                wx.showToast({
                    icon: 'none',
                    title: "商品数量必须大于0",
                })
              return;
              
            }
            
        }