优惠券相关逻辑

business/utils/commonUtil_test.go

@@ -6,6 +6,7 @@ import (
 	"pet-house.com/business/models"
 	"strconv"
 	"testing"
+	"time"
 )
 
 func TestGetStrDays(t *testing.T) {
@@ -54,3 +55,21 @@ func TestMath(t *testing.T) {
 	var a = int(RoundToOneDecimalPlace(float64(150)*(95/100.0)) * 10)
 	fmt.Println(a)
 }
+func TestMap(t *testing.T) {
+	var c1 = make(map[int]models.Coupons)
+	c1[1] = models.Coupons{
+		Id:           1,
+		Name:         "111",
+		GoodsSubType: 0,
+		Discount:     0,
+		Source:       "",
+		PeriodType:   0,
+		Period:       "",
+		PeriodInfo:   nil,
+		ExpireTime:   0,
+		CreateTime:   time.Time{},
+		UpdateTime:   time.Time{},
+		Status:       0,
+	}
+	print("12345", c1[2].Id)
+}

business/utils/lock.go

@@ -0,0 +1,23 @@
+package utils
+
+import "sync"
+
+// KeyedMutex 提供基于键的锁定
+type KeyedMutex struct {
+	mutexes sync.Map
+}
+
+// Lock 锁定指定键
+func (km *KeyedMutex) Lock(key string) {
+	mu, _ := km.mutexes.LoadOrStore(key, &sync.Mutex{})
+	mu.(*sync.Mutex).Lock()
+}
+
+// Unlock 解锁指定键
+func (km *KeyedMutex) Unlock(key string) {
+	mu, ok := km.mutexes.Load(key)
+	if ok {
+		mu.(*sync.Mutex).Unlock()
+		km.mutexes.Delete(key)
+	}
+}