https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/Recent content in 4 持久化存储 on 编程那些事儿Hugozh-cnSun, 13 Sep 2026 18:20:56 +0800https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/4.1-RestoringYourAppSStateWithSwiftui/Sat, 12 Sep 2026 12:47:47 +0800https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/4.1-RestoringYourAppSStateWithSwiftui/<blockquote> <p>原文链接: <a href="https://developer.apple.com/documentation/swiftui/restoring-your-app-s-state-with-swiftui">https://developer.apple.com/documentation/swiftui/restoring-your-app-s-state-with-swiftui</a></p> </blockquote> <h1 id="41-用-swiftui-恢复应用状态">4.1 用 SwiftUI 恢复应用状态</h1> <p>保留用户当前的活动，为使用者提供应用连续性。</p> <h2 id="Overview">概述</h2> <p>这个 SwiftUI 示例项目演示如何保留应用的状态信息，并在后续启动时把应用恢复到之前的状态。在后续启动时把界面恢复到上一次的交互位置，可以为用户提供连续性，让他们快速完成正在进行的任务。</p>https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/4.2-LoadingAndDisplayingALargeDataFeed/Sat, 12 Sep 2026 12:47:47 +0800https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/4.2-LoadingAndDisplayingALargeDataFeed/<blockquote> <p>原文链接: <a href="https://developer.apple.com/documentation/swiftui/loading-and-displaying-a-large-data-feed">https://developer.apple.com/documentation/swiftui/loading-and-displaying-a-large-data-feed</a></p> </blockquote> <h1 id="42-加载并显示大型数据源">4.2 加载并显示大型数据源</h1> <p>在后台消费数据，并通过批量导入和防止重复记录来降低内存占用。</p> <h2 id="Overview">概述</h2> <p>这个示例创建了一个应用，它通过消费美国地质调查局（USGS）的实时数据源，显示过去 30 天内记录到的美国地震列表。</p>https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/4.3-DynamicpropertyImplementations/Sat, 12 Sep 2026 12:47:47 +0800https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/4.3-DynamicpropertyImplementations/<blockquote> <p>原文链接: <a href="https://developer.apple.com/documentation/swiftui/fetchrequest/dynamicproperty-implementations">https://developer.apple.com/documentation/swiftui/fetchrequest/dynamicproperty-implementations</a></p> </blockquote> <h1 id="43-dynamicproperty-实现">4.3 DynamicProperty 实现</h1> <h2 id="Instance-Methods">实例方法</h2> <ul> <li><a href="https://developer.apple.com/documentation/swiftui/fetchrequest/update()">update()</a> —— 更新已获取的结果。</li> </ul>https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/4.4-SectionedfetchrequestDynamicpropertyImplementations/Sat, 12 Sep 2026 12:47:47 +0800https://before80.github.io/prgms/Swift/SwiftUI/datastorage/4-PersistentStorage/4.4-SectionedfetchrequestDynamicpropertyImplementations/<blockquote> <p>原文链接: <a href="https://developer.apple.com/documentation/swiftui/sectionedfetchrequest/dynamicproperty-implementations">https://developer.apple.com/documentation/swiftui/sectionedfetchrequest/dynamicproperty-implementations</a></p> </blockquote> <h1 id="44-sectionedfetchrequest-的-dynamicproperty-实现">4.4 SectionedFetchRequest 的 DynamicProperty 实现</h1> <h2 id="Instance-Methods">实例方法</h2> <ul> <li><a href="https://developer.apple.com/documentation/swiftui/sectionedfetchrequest/update()">update()</a> — 更新已获取的结果。</li> </ul>