feat(lru): del by key

pkg/lru/lru.go

@@ -128,3 +128,15 @@ func (lru *SingleCache) Del() error {
 	lru.li.Remove(data)
 	return nil
 }
+
+//DelByKey 根据key删除
+func (lru *SingleCache)DelByKey(key string) error {
+	if lru.lruMap == nil {
+		return errorx.New("lru is nil")
+	}
+	if _, ok := lru.lruMap[key]; ok {
+		delete(lru.lruMap, key)
+		return nil
+	}
+	return errorx.New("lru no this key")
+}

pkg/lru/lru_test.go

@@ -21,4 +21,19 @@ func TestNewLRUCache(t *testing.T) {
 	fmt.Println(cache.nowSize)
 	_, isTrue := cache.Get("1")
 	require.Equal(t, isTrue, true)
+}
+
+func TestNewLRUCache2(t *testing.T) {
+	//根据key删除
+	cache := NewLRUCache()
+	v1 := stringx.NewStringSingle()
+	v2 := stringx.NewStringSingle()
+	v3 := stringx.NewStringSingle()
+	cache.Add("1", v1)
+	cache.Add("2", v2)
+	cache.Add("3", v3)
+	cache.DelByKey("1")
+	_, ok := cache.Get("1")
+	require.Equal(t, ok, false)
+	fmt.Println(cache.DelByKey("1"))
 }