Method Delete

util/cache/disk_cache.go:211–230

Delete 删除缓存

(key string)

// Delete 删除缓存
func (c *DiskCache) Delete(key string) error {
	c.mutex.Lock()
	defer c.mutex.Unlock()

	meta, exists := c.metadata[key]
	if !exists {
		return nil
	}

	// 删除文件
	filename := c.getFilename(key)
	os.Remove(filepath.Join(c.path, filename))
	os.Remove(filepath.Join(c.path, filename+".meta"))

	// 更新元数据
	c.currSize -= int64(meta.Size)
	delete(c.metadata, key)

	return nil
}

// Has 检查缓存是否存在
func (c *DiskCache) Has(key string) bool {