chore: 并入 iotlcm-admin-svr 历史到 admin-svr/（原提交 49818c6）

admin-svr/server/internal/library/mcache/mcache.go

@@ -0,0 +1,52 @@
+// Package mcache
+// @Link  https://github.com/xiujiecn/xiu-admin
+// @Copyright  Copyright (c) 2025 LiXiujie
+// @Author  Lxj <xxx@example.com>
+// @License  https://github.com/xiujiecn/xiu-admin/blob/master/LICENSE
+// 内存缓存管理
+package mcache
+
+import (
+	"context"
+	"sync"
+	"time"
+
+	"github.com/gogf/gf/v2/os/gcache"
+)
+
+// cache 缓存驱动
+var (
+	mcache    *gcache.Cache
+	cacheOnce sync.Once
+)
+
+// Instance 缓存实例
+func Instance() *gcache.Cache {
+	cacheOnce.Do(func() {
+		mcache = gcache.NewWithAdapter(gcache.NewAdapterMemory())
+	})
+	return mcache
+}
+
+func Set(ctx context.Context, key string, value interface{}, timeout time.Duration) error {
+	return Instance().Set(ctx, key, value, timeout)
+}
+
+func Get(ctx context.Context, key string) (interface{}, error) {
+	return Instance().Get(ctx, key)
+}
+
+func Remove(ctx context.Context, key string) error {
+	_, err := Instance().Remove(ctx, key)
+	return err
+}
+
+// Clear invalidates every derived in-process cache entry. It is used after the
+// authoritative SQLite memory database is rebuilt.
+func Clear(ctx context.Context) error {
+	keys := Instance().MustKeys(ctx)
+	if len(keys) == 0 {
+		return nil
+	}
+	return Instance().Removes(ctx, keys)
+}