bug: fix lock not used

controllers/goods/order.go

 	"spaceofcheng/services/models/model"
 	"spaceofcheng/services/utils"
 	"strconv"
+	"sync"
 	"time"
 )
 
+var mtx *sync.Mutex
+
 // GetOrderList 获取商品订单
 // 管理端 - 统计查询
 func (c *GoodsController) GetOrderList() {
 // PostOrder 下单
 // 微信端
 func (c *GoodsController) PostOrder() {
+	// 防止并发
+	mtx.Lock()
+	defer mtx.Unlock()
+
 	// 订单主信息
 	info := c.GetString("info")
 	if info == "" {
 	}
 	c.ResponseJSON("操作成功！")
 }
+
+func init() {
+	mtx = new(sync.Mutex)
+}

service/goods/orders.go

 	"spaceofcheng/services/service/cases"
 	"spaceofcheng/services/utils"
 	"strconv"
-	"sync"
 	"time"
 
 	"github.com/yl10/kit/guid"
 )
 
-var mtx *sync.Mutex
-
 // Orders 下单
 func (s *GoodsServ) Orders(
 	info *model.TaGoodsOrders,
 	details []model.TaGoodsOrdersDetail,
 	customercouponid string) error {
-	// 防止并发
-	mtx.Lock()
-	defer mtx.Unlock()
-
 	// org := s.ctx.Get("org").(model.SysOrg)
 	cust := s.ctx.Get("customer").(model.TaCustomer)
 
 
 	return order, nil
 }
-
-func init() {
-	mtx = new(sync.Mutex)
-}