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		<title>Binding on 编程心语</title>
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				<title>SwiftUI 中 @Binding 的进阶用法：自定义 Binding 与双向数据流</title>
				<link>https://www.ithome.me/post/2026/07/29/swiftui-binding-advanced-patterns/</link>
				<pubDate>Wed, 29 Jul 2026 08:00:00 +0800</pubDate>
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				<description>&lt;p&gt;@Binding 是 SwiftUI 数据流的核心工具之一，但很多开发者只停留在&amp;quot;传个状态给子视图&amp;quot;的层面。本文带你深入探讨 @Binding 的进阶用法——从自定义 Binding 到类型转换，再到可选值处理。&lt;/p&gt;</description>
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