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  "contentMarkdown": "# 关于AssetBundle加载方式的适用环境\n\n> [!note] 我的 UWA 问答\n> 本文收录我在 UWA 问答发表的公开回答。问题内容归原提问者；回答保留当时语境，技术结论可能受 Unity 版本、平台和项目条件限制。\n\n## 问题\n\nAssetBundle.LoadFromMemory以及AssetBundle.LoadFromSteam适用环境分别是什么？\n\n- 提问者：Hao\n- 提问时间：2021-03-20 22:00:43\n\n## 我的回答\n\n当资源有加密需求时，可先把AB读取到内存当中，进行解密后再调用该AssetBundle.LoadFromMemory 进行加载。该方法消耗的最大内存量将至少是AssetBundle的两倍。可参考：https://blog.uwa4d.com/archives/USparkle_Addressable3.html。\n\nAssetBundle.LoadFromStream可进行流式加载，不需要将AB全部读到内存中再解密、加载，而是可以通过每次像Buffer中读一部分，解密一部分的方式进行加载，不会多占用一份很大的内存。如果使用该接口，需要自定义一个继承FileStream类，然在Read和Write方法内对byte数组进行异或加密解密处理。\n\n具体用法可参考：\n\nhttps://www.xuanyusong.com/archives/4607\n\n- 回答时间：2021-03-23 01:26:39\n- 最后更新：2021-03-23 01:26:39\n- 采纳状态：未采纳\n\n## 来源与关系\n\n- 上位集合：[[10-计算机、信息技术与工程/05-游戏图形与运行时/我的UWA问答/我的UWA问答|我的 UWA 问答]]\n- UWA 标签：内存管理\n- 原始问题：[关于AssetBundle加载方式的适用环境](https://answer.uwa4d.com/question/60558f8bcfa35d5b53669b6b)\n- 源页最后更新：2021-03-23 01:26:39\n"
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