feat: 添加Redis缓存实现，支持泛型操作和批量处理功能

Author: TBXark

cache/redis/cache.go

@@ -0,0 +1,94 @@
+package redis
+
+import (
+	"context"
+	"github.com/redis/go-redis/v9"
+	"time"
+)
+
+type Codec interface {
+	Marshal(value any) ([]byte, error)
+	Unmarshal(data []byte, value any) error
+}
+
+type Cache[T any] struct {
+	cache *ByteCache
+	codec Codec
+}
+
+func NewCache[T any](client *redis.Client, codec Codec) *Cache[T] {
+	return &Cache[T]{
+		cache: NewByteCache(client),
+		codec: codec,
+	}
+}
+
+func (m *Cache[T]) Set(ctx context.Context, key string, val T, expiration time.Duration) error {
+	raw, err := m.codec.Marshal(val)
+	if err != nil {
+		return err
+	}
+	return m.cache.Set(ctx, key, raw, expiration)
+}
+
+func (m *Cache[T]) Get(ctx context.Context, key string) (*T, error) {
+	raw, err := m.cache.Get(ctx, key)
+	if err != nil {
+		return nil, err
+	}
+	if raw == nil {
+		return nil, nil
+	}
+	var val T
+	err = m.codec.Unmarshal(*raw, &val)
+	if err != nil {
+		return nil, err
+	}
+	return &val, nil
+}
+
+func (m *Cache[T]) Del(ctx context.Context, key string) error {
+	return m.cache.Del(ctx, key)
+}
+
+func (m *Cache[T]) MultiSet(ctx context.Context, valMap map[string]T, expiration time.Duration) error {
+	for k, v := range valMap {
+		err := m.Set(ctx, k, v, expiration)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (m *Cache[T]) MultiGet(ctx context.Context, keys []string) (map[string]T, error) {
+	result := make(map[string]T)
+	for _, key := range keys {
+		val, err := m.Get(ctx, key)
+		if err != nil {
+			return nil, err
+		}
+		if val != nil {
+			result[key] = *val
+		}
+	}
+	return result, nil
+}
+
+func (m *Cache[T]) MultiDel(ctx context.Context, keys []string) error {
+	for _, key := range keys {
+		err := m.Del(ctx, key)
+		if err != nil {
+			return err
+		}
+	}
+	return nil
+}
+
+func (m *Cache[T]) DelAll(ctx context.Context) error {
+	return m.cache.DelAll(ctx)
+}
+
+func (m *Cache[T]) Close() error {
+	return nil
+}