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iCeors avatar iCeors commented on June 14, 2024

复盘发现,是因为app重启,丢失了所有processor的内容,导致缓存清理不掉。
把processor融合到图片缓存key,而不提供单纯的清理某张图片派生出所有图片缓存的api,面对一些常见场景的时候,有些无力。。。

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onevcat avatar onevcat commented on June 14, 2024

这个场景,我个人现在的建议是,你可以为每个URL设置一个 cache (伪代码,不一定正确):

var caches = [String: ImageCache]()

func imageCacheForURL(_ url: URL) -> ImageCache {
    caches[url.absoluteString] ?? {
        let c = ImageCache(name: url.absoluteString)
        caches[url.absoluteString] = c
        return c
    }()
}

let imageView: UIImageView
imageView.kf.setImage(with: url, options: [.processor(processor1), .targetCache(imageCacheForURL(url))])
imageView.kf.setImage(with: url, options: [.processor(processor2), .targetCache(imageCacheForURL(url))])

// Later
imageCacheForURL(url).clearCache()

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iCeors avatar iCeors commented on June 14, 2024

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