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问答 2016-03-17 来自：开发者社区

请问IOS&Android开发：怎么从大量未加载的数据中加载一定量的数据到列表中

绝大多数新闻资讯类应用开发过程中都会遇到这么一个问题：规定每次从服务器最多只能获取20条数据，第一次刷新获取了20条最新的数据，添加到列表中，过一段时间有了30条未刷新的记录，这下问题来了：第二次刷新时是获取最新的20条还是接着第一次获取之后的20条数据放在列表前面？前者会导致列表中间空缺一部分数据，后者问题是要多刷新几次才能把所有数据获取到。有过相关开发经验的大神们来说说你们的解决方案。

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更新时间 2024-09-04 12:39:16

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