{"id":4884,"date":"2022-01-16T09:02:05","date_gmt":"2022-01-16T01:02:05","guid":{"rendered":"http:\/\/123.57.164.21\/?p=4884"},"modified":"2022-01-16T09:02:05","modified_gmt":"2022-01-16T01:02:05","slug":"%e5%9c%a8-swiftui-%e4%b8%ad%e4%bd%bf%e7%94%a8-uikit-%e8%a7%86%e5%9b%be","status":"publish","type":"post","link":"https:\/\/92it.top\/?p=4884","title":{"rendered":"\u5728 SwiftUI \u4e2d\u4f7f\u7528 UIKit \u89c6\u56fe"},"content":{"rendered":"\n<p>\u5df2\u8fc8\u5165\u7b2c\u4e09\u4e2a\u5e74\u5934\u7684 SwiftUI \u76f8\u8f83\u8bde\u751f\u521d\u59cb\u5df2\u7ecf\u63d0\u4f9b\u4e86\u66f4\u591a\u7684\u539f\u751f\u529f\u80fd\uff0c\u4f46\u4ecd\u6709\u5927\u91cf\u7684\u4e8b\u60c5\u662f\u65e0\u6cd5\u76f4\u63a5\u901a\u8fc7\u539f\u751f SwiftUI \u4ee3\u7801\u6765\u5b8c\u6210\u7684\u3002\u5728\u76f8\u5f53\u957f\u7684\u65f6\u95f4\u4e2d\u5f00\u53d1\u8005\u4ecd\u9700\u5728 SwiftUI \u4e2d\u4f9d\u8d56 UIKit\uff08AppKit\uff09\u4ee3\u7801\u3002\u597d\u5728\uff0cSwiftUI \u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u4fbf\u6377\u7684\u65b9\u5f0f\u5c06 UIKit\uff08AppKit\uff09\u89c6\u56fe\uff08\u6216\u63a7\u5236\u5668\uff09\u5305\u88c5\u6210 SwiftUI \u89c6\u56fe\u3002<\/p>\n\n\n\n<p>\u672c\u6587\u5c06\u901a\u8fc7\u5bf9 UITextField \u7684\u5305\u88c5\u6765\u8bb2\u89e3\u4ee5\u4e0b\u51e0\u70b9\uff1a<\/p>\n\n\n\n<ul><li>\u5982\u4f55\u5728 SwiftUI \u4e2d\u4f7f\u7528 UIKit \u89c6\u56fe<\/li><li>\u5982\u4f55\u8ba9\u4f60\u7684 UIKit \u5305\u88c5\u89c6\u56fe\u5177\u6709 SwiftUI \u98ce\u683c<\/li><li>\u5728 SwiftUI \u4f7f\u7528 UIKit \u89c6\u56fe\u9700\u8981\u6ce8\u610f\u7684\u5730\u65b9<\/li><\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><strong>\u5982\u679c\u4f60\u5df2\u7ecf\u5bf9\u5982\u4f55\u4f7f\u7528<code>UIViewRepresentable<\/code>\u6709\u6240\u638c\u63e1\uff0c\u53ef\u4ee5\u76f4\u63a5\u4ece<code>SwiftUI \u98ce\u683c\u5316<\/code>\u90e8\u5206\u9605\u8bfb<\/strong><\/p><\/blockquote>\n\n\n\n<h5 class=\"wp-block-heading\">\u57fa\u7840<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5728\u5177\u4f53\u6f14\u793a\u5305\u88c5\u4ee3\u7801\u4e4b\u524d\uff0c\u6211\u4eec\u5148\u4ecb\u7ecd\u4e00\u4e9b\u4e0e\u5728 SwiftUI \u4e2d\u4f7f\u7528 UIKit \u89c6\u56fe\u6709\u5173\u7684\u57fa\u7840\u77e5\u8bc6\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u65e0\u9700\u62c5\u5fc3\u662f\u5426\u80fd\u7acb\u5373\u7406\u89e3\u4e0b\u8ff0\u5185\u5bb9\uff0c\u5728\u540e\u7eed\u7684\u6f14\u793a\u4e2d\u4f1a\u6709\u66f4\u591a\u7684\u5185\u5bb9\u5e2e\u52a9\u4f60\u638c\u63e1\u76f8\u5173\u77e5\u8bc6\u3002<\/p><\/blockquote>\n\n\n\n<p><strong>\u751f\u547d\u5468\u671f<\/strong><\/p>\n\n\n\n<p>SwiftUI \u540c UIKit \u548c AppKit \u7684\u4e3b\u8981\u533a\u522b\u4e4b\u4e00\u662f\uff0cSwiftUI \u7684\u89c6\u56fe\uff08View\uff09\u662f\u503c\u7c7b\u578b\uff0c\u5e76\u4e0d\u662f\u5bf9\u5c4f\u5e55\u4e0a\u7ed8\u5236\u5185\u5bb9\u7684\u5177\u4f53\u5f15\u7528\u3002\u5728 SwiftUI \u4e2d\uff0c\u5f00\u53d1\u8005\u4e3a\u89c6\u56fe\u521b\u5efa\u63cf\u8ff0\uff0c\u800c\u5e76\u4e0d\u5b9e\u9645\u6e32\u67d3\u5b83\u4eec\u3002<\/p>\n\n\n\n<p>\u5728 UIKit\uff08\u6216 AppKit\uff09\u4e2d\uff0c\u89c6\u56fe\uff08\u6216\u89c6\u56fe\u63a7\u5236\u5668\uff09\u6709\u660e\u786e\u7684\u751f\u547d\u5468\u671f\u8282\u70b9\uff0c\u6bd4\u5982<code>vidwDidload<\/code>\u3001<code>loadView<\/code>\u3001<code>viewWillAppear<\/code>\u3001<code>didAddSubView<\/code>\u3001<code>didMoveToSuperview<\/code>\u7b49\u65b9\u6cd5\uff0c\u5b83\u4eec\u672c\u8d28\u4e0a\u5145\u5f53\u4e86\u94a9\u5b50\u7684\u89d2\u8272\uff0c\u8ba9\u5f00\u53d1\u8005\u80fd\u591f\u901a\u8fc7\u6267\u884c\u4e00\u6bb5\u903b\u8f91\u6765\u54cd\u5e94\u7cfb\u7edf\u7ed9\u5b9a\u7684\u4e8b\u4ef6\u3002<\/p>\n\n\n\n<p>SwiftUI \u7684\u89c6\u56fe\uff0c\u672c\u8eab\u6ca1\u6709\u6e05\u6670\uff08\u53ef\u9002\u5f53\u63cf\u8ff0\uff09\u7684\u751f\u547d\u5468\u671f\uff0c\u5b83\u4eec\u662f\u503c\u3001\u662f\u58f0\u660e\u3002SwiftUI \u63d0\u4f9b\u4e86\u51e0\u4e2a\u4fee\u6539\u5668\uff08modifier\uff09\u6765\u5b9e\u73b0\u7c7b\u4f3c UIKit \u4e2d\u94a9\u5b50\u65b9\u6cd5\u7684\u884c\u4e3a\u3002\u6bd4\u5982<code>onAppear<\/code>\u540c<code>viewWillAppear<\/code>\u7684\u8868\u73b0\u5f88\u7c7b\u4f3c\u3002\u540c UIKit \u7684\u94a9\u5b50\u65b9\u6cd5\u7684\u4f4d\u7f6e\u6709\u5f88\u5927\u7684\u4e0d\u540c\uff0c<code>onAppear<\/code>\u548c<code>onDisappear<\/code>\u662f\u5728\u5f53\u524d\u89c6\u56fe\u7684\u7236\u89c6\u56fe\u4e0a\u58f0\u660e\u7684\u3002<\/p>\n\n\n\n<p>\u5c06 UIKit \u89c6\u56fe\u5305\u88c5\u6210 SwiftUI \u7684\u89c6\u56fe\u65f6\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u4e24\u8005\u751f\u547d\u5468\u671f\u4e4b\u95f4\u7684\u4e0d\u540c\uff0c\u4e0d\u8981\u5f3a\u884c\u8bd5\u56fe\u627e\u5230\u5b8c\u5168\u5bf9\u5e94\u7684\u65b9\u6cd5\uff0c\u8981\u4ece SwiftUI \u7684\u89d2\u5ea6\u6765\u601d\u8003\u5982\u4f55\u8c03\u7528 UIKit \u89c6\u56fe\u3002<\/p>\n\n\n\n<p><strong>UIViewRepresentable \u534f\u8bae<\/strong><\/p>\n\n\n\n<p>\u5728 SwiftUI \u4e2d\u5305\u88c5 UIView \u975e\u5e38\u7b80\u5355\uff0c\u53ea\u9700\u8981\u521b\u5efa\u4e00\u4e2a\u9075\u5b88<code>UIViewRepresentable<\/code>\u534f\u8bae\u7684\u7ed3\u6784\u4f53\u5c31\u884c\u4e86\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><code>UIViewControllerRepresentable<\/code>\u5bf9\u5e94<code>UIViewController<\/code>\uff0c<code>NSViewRepresentable<\/code>\u5bf9\u5e94<code>NSView<\/code>\uff0c<code>NSViewControllerRepresentable<\/code>\u5bf9\u5e94<code>NSViewController<\/code>\u3002\u5185\u90e8\u7684\u7ed3\u6784\u548c\u5b9e\u73b0\u903b\u8f91\u90fd\u4e00\u81f4\u3002<\/p><\/blockquote>\n\n\n\n<p><code>UIViewrepresentable<\/code>\u7684\u534f\u8bae\u5e76\u4e0d\u590d\u6742\uff0c\u53ea\u5305\u542b\uff1a<code>makeUIView<\/code>\u3001<code>updateUIView<\/code>\u3001<code>dismantleUIView<\/code>\u548c<code>makeCoordinator<\/code>\u56db\u4e2a\u65b9\u6cd5\u3002<code>makeUIView<\/code>\u548c<code>updateUIView<\/code>\u4e3a\u5fc5\u987b\u63d0\u4f9b\u5b9e\u73b0\u7684\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p><code>UIViewRepresentable<\/code>\u672c\u8eab\u9075\u5b88<code>View<\/code>\u534f\u8bae\uff0c\u56e0\u6b64 SwiftUI \u4f1a\u5c06\u4efb\u4f55\u7b26\u5408\u8be5\u534f\u8bae\u7684\u7ed3\u6784\u4f53\u90fd\u5f53\u4f5c\u4e00\u822c\u7684 SwiftUI \u89c6\u56fe\u6765\u5bf9\u5f85\u3002\u4e0d\u8fc7\u7531\u4e8e<code>UIViewRepresentable<\/code>\u7684\u7279\u6b8a\u7684\u7528\u9014\uff0c\u5176\u5185\u90e8\u7684\u751f\u547d\u5468\u671f\u53c8\u540c\u6807\u51c6\u7684 SwiftUI \u89c6\u56fe\u6709\u6240\u4e0d\u540c\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19-1024x813.png\" alt=\"\" class=\"wp-image-4885\" width=\"490\" height=\"388\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19-1024x813.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19-300x238.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19-768x610.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19-830x659.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19-230x183.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19-350x278.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19-480x381.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-19.png 1174w\" sizes=\"(max-width: 490px) 100vw, 490px\" \/><\/figure><\/div>\n\n\n\n<ul><li>makeCoordinator<\/li><\/ul>\n\n\n\n<p>\u5982\u679c\u6211\u4eec\u58f0\u660e\u4e86 Coordinator\uff08\u534f\u8c03\u5668\uff09,<code>UIViewRepresentable<\/code>\u89c6\u56fe\u4f1a\u5728\u521d\u59cb\u5316\u540e\u9996\u5148\u521b\u5efa\u5b83\u7684\u5b9e\u4f8b\uff0c\u4ee5\u4fbf\u5728\u5176\u4ed6\u7684\u65b9\u6cd5\u4e2d\u8c03\u7528\u3002Coordinator \u9ed8\u8ba4\u4e3a<code>Void<\/code>\uff0c\u8be5\u65b9\u6cd5\u5728<code>UIViewRepresentable<\/code>\u7684\u751f\u547d\u5468\u671f\u4e2d\u53ea\u4f1a\u8c03\u7528\u4e00\u6b21\uff0c\u56e0\u6b64\u53ea\u4f1a\u521b\u5efa\u4e00\u4e2a\u534f\u8c03\u5668\u5b9e\u4f8b\u3002<\/p>\n\n\n\n<ul><li>makeUIView<\/li><\/ul>\n\n\n\n<p>\u521b\u5efa\u4e00\u4e2a\u7528\u6765\u5305\u88c5\u7684 UIKit \u89c6\u56fe\u5b9e\u4f8b\u3002\u8be5\u65b9\u6cd5\u5728<code>UIViewRepresentable<\/code>\u7684\u751f\u547d\u5468\u671f\u4e2d\u53ea\u4f1a\u8c03\u7528\u4e00\u6b21\u3002<br><\/p>\n\n\n\n<ul><li>updateUIView<\/li><\/ul>\n\n\n\n<p>SwiftUI \u4f1a\u5728\u5e94\u7528\u7a0b\u5e8f\u7684\u72b6\u6001\uff08State\uff09\u53d1\u751f\u53d8\u5316\u65f6\u66f4\u65b0\u53d7\u8fd9\u4e9b\u53d8\u5316\u5f71\u54cd\u7684\u754c\u9762\u90e8\u5206\u3002\u5f53<code>UIViewRepresentable<\/code>\u89c6\u56fe\u4e2d\u7684\u6ce8\u5165\u4f9d\u8d56\u53d1\u751f\u53d8\u5316\u65f6\uff0cSwiftUI \u4f1a\u8c03\u7528<code>updateUIView<\/code>\u3002\u5176\u8c03\u7528\u65f6\u673a\u540c\u6807\u51c6 SwiftUI \u89c6\u56fe\u7684<code>body<\/code>\u4e00\u81f4\uff0c\u6700\u5927\u7684\u4e0d\u540c\u4e3a\uff0c\u8c03\u7528<code>body<\/code>\u4e3a\u8ba1\u7b97\u503c\uff0c\u800c\u8c03\u7528<code>updateview<\/code>\u4ec5\u4e3a\u901a\u77e5<code>UIViewRepresentable<\/code>\u89c6\u56fe\u4f9d\u8d56\u6709\u53d8\u5316\uff0c\u81f3\u4e8e\u662f\u5426\u9700\u8981\u6839\u636e\u8fd9\u4e9b\u53d8\u5316\u6765\u505a\u53cd\u5e94\uff0c\u5219\u7531\u5f00\u53d1\u8005\u6765\u81ea\u884c\u5904\u7406\u3002<\/p>\n\n\n\n<p>\u8be5\u65b9\u6cd5\u5728<code>UIViewRepresentable<\/code>\u7684\u751f\u547d\u5468\u671f\u4e2d\u4f1a\u591a\u6b21\u8c03\u7528\uff0c\u76f4\u5230\u89c6\u56fe\u88ab\u79fb\u51fa\u89c6\u56fe\u6811\uff08\u66f4\u51c6\u786e\u5730\u63cf\u8ff0\u662f\u5207\u6362\u5230\u53e6\u4e00\u4e2a\u4e0d\u5305\u542b\u8be5\u89c6\u56fe\u7684\u89c6\u56fe\u6811\u5206\u652f\uff09\u3002<\/p>\n\n\n\n<p><strong>\u5728 makeUIVIew \u6267\u884c\u540e\uff0cupdateUIVew \u5fc5\u7136\u4f1a\u6267\u884c\u4e00\u6b21<\/strong><\/p>\n\n\n\n<ul><li>dismantleUIView<\/li><\/ul>\n\n\n\n<p>\u5728<code>UIViewRepresentable<\/code>\u89c6\u56fe\u88ab\u79fb\u51fa\u89c6\u56fe\u6811\u4e4b\u524d\uff0cSwiftUI \u4f1a\u8c03\u7528<code>dismantleUIView<\/code>\uff0c\u901a\u5e38\u5728\u6b64\u65b9\u6cd5\u4e2d\u53ef\u4ee5\u6267\u884c u \u5220\u9664\u89c2\u5bdf\u5668\u7b49\u5584\u540e\u64cd\u4f5c\u3002<code>dismantleUIView<\/code>\u4e3a\u7c7b\u578b\u65b9\u6cd5\u3002<\/p>\n\n\n\n<p>\u4e0b\u9762\u7684\u4ee3\u7801\u5c06\u521b\u5efa\u4e00\u4e2a\u540c ProgressView \u4e00\u6837\u7684\u8f6c\u5708\u83ca\u82b1\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">struct MyProgrssView: UIViewRepresentable {\n    func makeUIView(context: Context) -> UIActivityIndicatorView {\n        let view = UIActivityIndicatorView()\n        view.startAnimating()\n        return view\n    }\n\n    func updateUIView(_ uiView: UIActivityIndicatorView, context: Context) {}\n}\n\nstruct Demo: View {\n    var body: some View {\n            MyProgrssView()\n    }\n}<\/pre>\n\n\n\n<p><strong>\u9ed1\u5323\u5b50<\/strong><\/p>\n\n\n\n<p>SwiftUI \u5728\u7ed8\u5236\u5c4f\u5e55\u65f6\uff0c\u4f1a\u4ece\u89c6\u56fe\u6811\u7684\u9876\u7aef\u5f00\u59cb\u5bf9\u89c6\u56fe\u7684<code>body<\/code>\u6c42\u503c\uff0c\u5982\u679c\u5176\u4e2d\u8fd8\u5305\u542b\u5b50\u89c6\u56fe\u5219\u5c06\u9012\u5f52\u6c42\u503c\uff0c\u76f4\u5230\u83b7\u5f97\u6700\u7ec8\u7684\u7ed3\u679c\u3002\u4f46 SwiftUI \u65e0\u6cd5\u771f\u6b63\u8fdb\u884c\u65e0\u9650\u91cf\u7684\u8c03\u7528\u6765\u7ed8\u5236\u89c6\u56fe\uff0c\u56e0\u6b64\u5b83\u5fc5\u987b\u4ee5\u67d0\u79cd\u65b9\u5f0f\u7f29\u77ed\u9012\u5f52\u3002\u4e3a\u4e86\u7ed3\u675f\u9012\u5f52\uff0cSwiftUI \u5305\u542b\u4e86\u5f88\u591a\u7684\u539f\u59cb\u7c7b\u578b\uff08primitive types\uff09\u3002\u5f53 SwiftUI \u9012\u5f52\u5230\u8fd9\u4e9b\u539f\u59cb\u7c7b\u578b\u65f6\uff0c\u5c06\u7ed3\u675f\u9012\u5f52\uff0c\u5b83\u5c06\u4e0d\u518d\u5173\u5fc3\u539f\u59cb\u7c7b\u578b\u7684<code>body<\/code>\uff0c\u800c\u8ba9\u539f\u59cb\u7c7b\u578b\u81ea\u884c\u5bf9\u5176\u7ba1\u7406\u7684\u533a\u57df\u8fdb\u884c\u5904\u7406\u3002<\/p>\n\n\n\n<p>SwiftUI \u6846\u67b6\u901a\u8fc7\u5c06<code>body<\/code>\u5b9a\u4e49\u4e3a<code>Never<\/code>\u6765\u6807\u8bb0\u8be5<code>View<\/code>\u4e3a\u539f\u59cb\u7c7b\u578b\u3002<code>UIViewRepresentable<\/code>\u6070\u5de7\u4e5f\u4e3a\u5176\u4e2d\u4e4b\u4e00\uff08<code>Text<\/code>\u3001<code>ZStack<\/code>\u3001<code>Color<\/code>\u3001<code>List<\/code>\u7b49\u4e5f\u90fd\u662f\u6240\u8c13\u7684\u539f\u59cb\u7c7b\u578b\uff09\u3002<\/p>\n\n\n\n<p>SwiftUI \u6846\u67b6\u901a\u8fc7\u5c06<code>body<\/code>\u5b9a\u4e49\u4e3a<code>Never<\/code>\u6765\u6807\u8bb0\u8be5<code>View<\/code>\u4e3a\u539f\u59cb\u7c7b\u578b\u3002<code>UIViewRepresentable<\/code>\u6070\u5de7\u4e5f\u4e3a\u5176\u4e2d\u4e4b\u4e00\uff08<code>Text<\/code>\u3001<code>ZStack<\/code>\u3001<code>Color<\/code>\u3001<code>List<\/code>\u7b49\u4e5f\u90fd\u662f\u6240\u8c13\u7684\u539f\u59cb\u7c7b\u578b\uff09\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">public protocol UIViewRepresentable : View where Self.Body == Never\n<\/pre>\n\n\n\n<p>\u4e8b\u5b9e\u4e0a\u51e0\u4e4e\u6240\u6709\u7684\u539f\u59cb\u7c7b\u578b\u90fd\u662f\u5bf9 UIKit \u6216 AppKit \u7684\u5e95\u5c42\u5305\u88c5\u3002<\/p>\n\n\n\n<p><code>UIViewRepresentable<\/code>\u4f5c\u4e3a\u539f\u59cb\u7c7b\u578b\uff0cSwiftUI \u5bf9\u5176\u5185\u90e8\u6240\u77e5\u751a\u5c11\uff08\u56e0\u4e3a\u65e0\u9700\u5173\u5fc3\uff09\u3002\u901a\u5e38\u9700\u8981\u5f00\u53d1\u8005\u5728<code>UIViewRepresentable<\/code>\u89c6\u56fe\u7684 Coordinator\uff08\u534f\u8c03\u5668\uff09\u4e2d\u505a\u4e00\u4e9b\u7684\u5de5\u4f5c\uff0c\u4ece\u800c\u4fdd\u8bc1\u4e24\u4e2a\u6846\u67b6\uff08SwiftUI \u540c UIKit\uff09\u4ee3\u7801\u4e4b\u95f4\u7684\u6c9f\u901a\u548c\u8054\u7cfb\u3002<\/p>\n\n\n\n<p><strong>\u534f\u8c03\u5668<\/strong><\/p>\n\n\n\n<p>\u82f9\u679c\u6846\u67b6\u5f88\u559c\u6b22\u4f7f\u7528\u534f\u8c03\u5668\uff08Coordinator\uff09\u8fd9\u4e2a\u540d\u8bcd\uff0cUIKit \u5f00\u53d1\u4e2d\u6709\u534f\u8c03\u5668\u8bbe\u8ba1\u6a21\u5f0f\u3001Core Data \u4e2d\u6709\u6301\u4e45\u5316\u5b58\u50a8\u534f\u8c03\u5668\u3002\u5728<code>UIViewRepresentable<\/code>\u4e2d\u534f\u8c03\u5668\u540c\u5b83\u4eec\u7684\u6982\u5ff5\u5b8c\u5168\u4e0d\u540c\uff0c\u4e3b\u8981\u8d77\u5230\u4ee5\u4e0b\u51e0\u4e2a\u65b9\u9762\u7684\u4f5c\u7528\uff1a<\/p>\n\n\n\n<ul><li>\u5b9e\u73b0 UIKit \u89c6\u56fe\u7684\u4ee3\u7406<\/li><\/ul>\n\n\n\n<p>UIKit \u7ec4\u4ef6\u901a\u5e38\u4f9d\u8d56\u4ee3\u7406\uff08delegate\uff09\u6765\u5b9e\u73b0\u4e00\u4e9b\u529f\u80fd\uff0c\u201c\u4ee3\u7406\u201d\u662f\u54cd\u5e94\u5176\u4ed6\u5730\u65b9\u53d1\u751f\u7684\u4e8b\u4ef6\u7684\u5bf9\u8c61\u3002\u4f8b\u5982\uff0cUIKit \u4e2d\u6211\u4eec\u5c06\u4e00\u4e2a\u4ee3\u7406\u5bf9\u8c61\u9644\u52a0\u5230<code>Text field<\/code>\u89c6\u56fe\u4e0a\uff0c\u5f53\u7528\u6237\u8f93\u5165\u65f6\uff0c\u5f53\u7528\u6237\u6309\u4e0b<code>return<\/code>\u952e\u65f6\uff0c\u8be5\u4ee3\u7406\u5bf9\u8c61\u4e2d\u5bf9\u5e94\u7684\u65b9\u6cd5\u5c06\u88ab\u8c03\u7528\u3002\u901a\u8fc7\u5c06\u534f\u8c03\u5668\u58f0\u660e\u4e3a UIKit \u89c6\u56fe\u5bf9\u5e94\u7684\u4ee3\u7406\u5bf9\u8c61\uff0c\u6211\u4eec\u5c31\u53ef\u4ee5\u5728\u5176\u4e2d\u5b9e\u73b0\u6240\u9700\u7684\u4ee3\u7406\u65b9\u6cd5\u3002<\/p>\n\n\n\n<ul><li>\u540c SwiftUI \u6846\u67b6\u4fdd\u6301\u6c9f\u901a<\/li><\/ul>\n\n\n\n<p>\u4e0a\u6587\u4e2d\uff0c\u6211\u4eec\u63d0\u5230<code>UIViewRepresentable<\/code>\u4f5c\u4e3a\u539f\u59cb\u7c7b\u578b\uff0c\u9700\u8981\u4e3b\u52a8\u627f\u62c5\u66f4\u591a\u7684\u540c SwiftUI \u6846\u67b6\u6216\u5176\u4ed6\u89c6\u56fe\u4e4b\u95f4\u7684\u6c9f\u901a\u5de5\u4f5c\u3002\u5728\u534f\u8c03\u5668\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u901a\u8fc7\u53cc\u5411\u7ed1\u5b9a\uff08<code>Binding<\/code>\uff09\uff0c\u901a\u77e5\u4e2d\u5fc3\uff08<code>notificationCenter<\/code>\uff09\u6216\u5176\u4ed6\u4f8b\u5982<code>Redux<\/code>\u6a21\u5f0f\u7684\u5355\u9879\u6570\u636e\u6d41\u7b49\u65b9\u5f0f\uff0c\u5c06 UIKit \u89c6\u56fe\u5185\u90e8\u7684\u72b6\u6001\u62a5\u544a\u7ed9 SwiftUI \u6846\u67b6\u6216\u5176\u4ed6\u9700\u8981\u7684\u6a21\u5757\u3002\u540c\u6837\u4e5f\u53ef\u4ee5\u901a\u8fc7\u6ce8\u518c\u89c2\u5bdf\u5668\u3001\u8ba2\u9605 Publisher \u7b49\u65b9\u5f0f\u83b7\u53d6\u6240\u9700\u7684\u4fe1\u606f\u3002<\/p>\n\n\n\n<ul><li>\u5904\u7406 UIKit \u89c6\u56fe\u4e2d\u7684\u590d\u6742\u903b\u8f91<\/li><\/ul>\n\n\n\n<p>\u5728 UIKit \u5f00\u53d1\u4e2d\uff0c\u901a\u5e38\u4f1a\u5c06\u4e1a\u52a1\u903b\u8f91\u653e\u7f6e\u5728 UIViewController \u4e2d\uff0cSwiftUI \u6ca1\u6709 Controller \u8fd9\u4e2a\u6982\u5ff5\uff0c\u89c6\u56fe\u4ec5\u662f\u72b6\u6001\u7684\u5448\u73b0\u3002\u5bf9\u4e8e\u4e00\u4e9b\u5b9e\u73b0\u590d\u6742\u529f\u80fd\u7684 UIKit \u6a21\u7ec4\uff0c\u5982\u679c\u5b8c\u5168\u6309\u7167 SwiftUI \u7684\u6a21\u5f0f\u5c06\u5176\u4e1a\u52a1\u903b\u8f91\u5f7b\u5e95\u5265\u79bb\u662f\u975e\u5e38\u56f0\u96be\u7684\u3002\u56e0\u6b64\u5c06\u65e0\u6cd5\u5265\u79bb\u7684\u4e1a\u52a1\u903b\u8f91\u7684\u5b9e\u73b0\u4ee3\u7801\u653e\u5165\u534f\u8c03\u5668\u4e2d\uff0c\u9760\u8fd1\u4ee3\u7406\u65b9\u6cd5\uff0c\u4fbf\u4e8e\u76f8\u4e92\u4e4b\u95f4\u7684\u534f\u8c03\u548c\u7ba1\u7406\u3002<\/p>\n\n\n\n<h5 class=\"wp-block-heading\">\u5305\u88c5 UITextField<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u672c\u8282\u4e2d\u6211\u4eec\u5c06\u5229\u7528\u4e0a\u9762\u7684\u77e5\u8bc6\u5b9e\u73b0\u4e00\u4e2a\u5177\u6709\u7b80\u5355\u529f\u80fd\u7684<code>UITextField<\/code>\u5305\u88c5\u89c6\u56fe\u2014\u2014<code>TextFieldWrapper<\/code>\u3002<\/p>\n\n\n\n<p><strong>\u7248\u672c 1.0<\/strong><\/p>\n\n\n\n<p>\u5728\u7b2c\u4e00\u4e2a\u7248\u672c\u4e2d\uff0c\u6211\u4eec\u8981\u5b9e\u73b0\u4e00\u4e2a\u7c7b\u4f3c\u5982\u4e0b\u539f\u751f\u4ee3\u7801\u7684\u529f\u80fd\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">TextField(\"name:\",text:$name)<\/pre>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20-1024x809.png\" alt=\"\" class=\"wp-image-4888\" width=\"567\" height=\"447\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20-1024x809.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20-300x237.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20-768x607.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20-830x656.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20-230x182.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20-350x277.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20-480x379.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-20.png 1182w\" sizes=\"(max-width: 567px) 100vw, 567px\" \/><\/figure><\/div>\n\n\n\n<p>\u6211\u4eec\u5728<code>makeUIView<\/code>\u4e2d\u521b\u5efa\u4e86<code>UITextField<\/code>\u7684\u5b9e\u4f8b\uff0c\u5e76\u5bf9\u5176 placeholder \u548c text \u8fdb\u884c\u4e86\u8bbe\u5b9a\u3002\u5728\u53f3\u4fa7\u7684\u9884\u89c8\u4e2d\uff0c\u6211\u4eec\u53ef\u4ee5\u770b\u5230 placeholder \u53ef\u4ee5\u6b63\u5e38\u663e\u793a\uff0c\u5982\u679c\u4f60\u5728\u5176\u4e2d\u8f93\u5165\u6587\u5b57\uff0c\u8868\u73b0\u7684\u72b6\u6001\u4e5f\u540c<code>TextField<\/code>\u5b8c\u5168\u4e00\u81f4\u3002<\/p>\n\n\n\n<p>\u901a\u8fc7<code>.border<\/code>\uff0c\u6211\u4eec\u770b\u5230 TextFieldWrapper \u7684\u89c6\u56fe\u5c3a\u5bf8\u6ca1\u6709\u7b26\u5408\u9884\u671f\uff0c\u8fd9\u662f\u7531\u4e8e UITextField \u5728\u4e0d\u8fdb\u884c\u7ea6\u675f\u7684\u60c5\u51b5\u4e0b\u4f1a\u9ed8\u8ba4\u5360\u636e\u5168\u90e8\u53ef\u7528\u7a7a\u95f4\u3002\u4e0a\u6587\u5173\u4e8e<code>UIActivityIndicatorView<\/code>\u7684\u6f14\u793a\u4ee3\u7801\u5e76\u6ca1\u6709\u51fa\u73b0\u8fd9\u4e2a\u60c5\u51b5\u3002\u56e0\u6b64\u5bf9\u4e8e\u4e0d\u540c\u7684 UIKit \u7ec4\u4ef6\uff0c\u6211\u4eec\u9700\u8981\u4e86\u89e3\u5176\u9ed8\u8ba4\u8bbe\u7f6e\uff0c\u914c\u60c5\u5bf9\u5176\u8fdb\u884c\u7ea6\u675f\u8bbe\u5b9a\u3002<\/p>\n\n\n\n<p>\u5728<code>makeUIView<\/code>\u4e2d\u6dfb\u52a0\u5982\u4e0b\u8bed\u53e5\uff0c\u6b64\u65f6\u6587\u672c\u8f93\u5165\u6846\u7684\u5c3a\u5bf8\u5c31\u548c\u9884\u671f\u4e00\u81f4\u4e86\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">  textfield.setContentHuggingPriority(.defaultHigh, for: .vertical)\n        textfield.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)\n<\/pre>\n\n\n\n<p>\u7a0d\u5fae\u8c03\u6574\u4e00\u4e0b<code>Demo<\/code>\u89c6\u56fe\uff0c\u5728<code>.padding()<\/code>\u4e0b\u6dfb\u52a0<code>Text(\"name:\\(name)\")<\/code>\u3002\u5982\u679c\u6309\u7167<code>TextField<\/code>\u7684\u6b63\u5e38\u884c\u4e3a\uff0c\u5f53\u6211\u4eec\u5728\u5176\u4e2d\u8f93\u5165\u4efb\u4f55\u6587\u672c\u65f6\uff0c\u4e0b\u65b9\u7684<code>Text<\/code>\u4e2d\u5e94\u8be5\u663e\u793a\u51fa\u5bf9\u5e94\u7684\u5185\u5bb9\uff0c\u4e0d\u8fc7\u5728\u6211\u4eec\u5f53\u524d\u7684\u4ee3\u7801\u7248\u672c\u4e2d\uff0c\u5e76\u6ca1\u6709\u8868\u73b0\u51fa\u9884\u671f\u7684\u884c\u4e3a\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21-1024x858.png\" alt=\"\" class=\"wp-image-4889\" width=\"592\" height=\"495\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21-1024x858.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21-300x251.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21-768x644.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21-830x695.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21-230x193.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21-350x293.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21-480x402.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-21.png 1160w\" sizes=\"(max-width: 592px) 100vw, 592px\" \/><\/figure><\/div>\n\n\n\n<p>\u8ba9\u6211\u4eec\u518d\u6b21\u6765\u5206\u6790\u4e00\u4e0b\u4ee3\u7801\u3002<\/p>\n\n\n\n<p>\u5c3d\u7ba1\u6211\u4eec\u58f0\u660e\u4e86\u4e00\u4e2a<code>Binding&lt;String&gt;<\/code>\u7c7b\u578b\u7684<code>text<\/code>\uff0c\u5e76\u4e14\u5728<code>makeUIView<\/code>\u4e2d\u5c06\u5176\u8d4b\u503c\u7ed9\u4e86<code>textfield<\/code>\uff0c\u4e0d\u8fc7<code>UITextField<\/code>\u5e76\u4e0d\u4f1a\u5c06\u6211\u4eec\u5f55\u5165\u7684\u5185\u5bb9\u81ea\u52a8\u56de\u4f20\u7ed9<code>Binding&lt;String&gt;<\/code>\u7684<code>text<\/code>\uff0c\u8fd9\u5bfc\u81f4<code>Demo<\/code>\u89c6\u56fe\u4e2d\u7684<code>name<\/code>\u5e76\u4e0d\u4f1a\u56e0\u4e3a\u6587\u5b57\u5f55\u5165\u800c\u53d1\u751f\u6539\u53d8\u3002<\/p>\n\n\n\n<p><code>UITextfield<\/code>\u5728\u6bcf\u6b21\u5f55\u5165\u6587\u5b57\u65f6\uff0c\u90fd\u4f1a\u81ea\u52a8\u8c03\u7528<code>func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool<\/code>\u7684\u4ee3\u7406\u65b9\u6cd5\u3002\u56e0\u6b64\u6211\u4eec\u9700\u8981\u521b\u5efa\u534f\u8c03\u5668\uff0c\u5e76\u5728\u534f\u8c03\u5668\u4e2d\u5b9e\u73b0\u8be5\u65b9\u6cd5\uff0c\u5c06\u5f55\u5165\u7684\u5185\u5bb9\u4f20\u9012\u7ed9<code>Demo<\/code>\u89c6\u56fe\u4e2d\u7684<code>name<\/code>\u53d8\u91cf\u3002<\/p>\n\n\n\n<p>\u521b\u5efa\u534f\u8c03\u5668\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">extension TextFieldWrapper{\n    class Coordinator:NSObject,UITextFieldDelegate{\n        @Binding var text:String\n        init(text:Binding&lt;String>){\n            self._text = text\n        }\n\n        func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {\n            if let text = textField.text as NSString? {\n                let finaltext = text.replacingCharacters(in: range, with: string)\n                self.text = finaltext as String\n            }\n            return true\n        }\n    }\n}\n<\/pre>\n\n\n\n<p>\u6211\u4eec\u9700\u8981\u5728<code>textField<\/code>\u65b9\u6cd5\u4e2d\u56de\u4f20\u6570\u636e\uff0c\u56e0\u6b64\u5728<code>Coordinator<\/code>\u4e2d\u540c\u6837\u9700\u8981\u4f7f\u7528\u5230<code>Binding&lt;String&gt;<\/code>\uff0c\u5982\u6b64\u5bf9<code>text<\/code>\u7684\u64cd\u4f5c\u5373\u4e3a\u5bf9<code>Demo<\/code>\u89c6\u56fe\u4e2d<code>name<\/code>\u7684\u64cd\u4f5c\u3002<\/p>\n\n\n\n<p>\u5982\u679c<code>UIViewRepresentable<\/code>\u89c6\u56fe\u4e2d\u7684<code>Coordinator<\/code>\u4e0d\u4e3a<code>Void<\/code>\uff0c\u5219\u5fc5\u987b\u901a\u8fc7<code>makeCoordinator<\/code>\u6765\u521b\u5efa\u5b83\u7684\u5b9e\u4f8b\u3002\u5728<code>TextFieldWrapper<\/code>\u4e2d\u6dfb\u52a0\u5982\u4e0b\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    func makeCoordinator() -> Coordinator {\n        .init(text: $text)\n    }<\/pre>\n\n\n\n<p>\u6700\u540e\u5728<code>makeUIView<\/code>\u4e2d\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    textfield.delegate = context.coordinator<\/pre>\n\n\n\n<p>UITextField \u5728\u53d1\u751f\u7279\u5b9a\u4e8b\u4ef6\u540e\u5c06\u5728\u534f\u8c03\u5668\u4e2d\u67e5\u627e\u5e76\u8c03\u7528\u5bf9\u5e94\u7684\u4ee3\u7406\u65b9\u6cd5\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22-1024x958.png\" alt=\"\" class=\"wp-image-4891\" width=\"540\" height=\"504\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22-1024x958.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22-300x281.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22-768x718.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22-830x776.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22-230x215.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22-350x327.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22-480x449.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-22.png 1174w\" sizes=\"(max-width: 540px) 100vw, 540px\" \/><\/figure><\/div>\n\n\n\n<p>\u81f3\u6b64\uff0c\u6211\u4eec\u521b\u5efa\u7684<code>UITextField<\/code>\u5305\u88c5\u5df2\u7ecf\u540c\u539f\u751f\u7684<code>TextField<\/code>\u7684\u8868\u73b0\u884c\u4e3a\u4e00\u81f4\u4e86\u3002<\/p>\n\n\n\n<p><strong>\u4f60\u786e\u5b9a\uff1f<\/strong><\/p>\n\n\n\n<p>\u518d\u5ea6\u4fee\u6539\u4e00\u4e0b<code>Demo<\/code>\u89c6\u56fe\uff0c\u5c06\u5176\u4fee\u6539\u4e3a\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">struct Demo: View {\n    @State var name: String = \"\"\n    var body: some View {\n        VStack {\n            TextFieldWrapper(\"name:\", text: $name)\n                .border(.blue)\n                .padding()\n            Text(\"name:\\(name)\")\n            Button(\"Random Name\"){\n                name = String(Int.random(in: 0...100))\n            }\n        }\n    }\n}\n<\/pre>\n\n\n\n<p>\u6309\u7167\u5bf9\u539f\u751f<code>TextField<\/code>\u7684\u8868\u73b0\u9884\u671f\uff0c\u5f53\u6211\u4eec\u6309\u4e0b<code>Random Name<\/code>\u6309\u94ae\u65f6\uff0c<code>Text<\/code>\u540c<code>TextFieldWrapper<\/code>\u4e2d\u7684\u6587\u5b57\u90fd\u5e94\u8be5\u53d8\u6210\u7531<code>String(Int.random(in: 0...100))<\/code>\u4ea7\u751f\u7684\u968f\u673a\u6570\u5b57\uff0c\u4f46\u662f\u5982\u679c\u4f60\u4f7f\u7528\u4e0a\u8ff0\u4ee3\u7801\u8fdb\u884c\u6d4b\u8bd5\uff0c<code>TextFieldWrapper<\/code>\u4e2d\u7684\u6587\u5b57\u5e76\u6ca1\u6709\u53d8\u5316\u3002<\/p>\n\n\n\n<p>\u5728<code>makeUIView<\/code>\u4e2d\uff0c\u6211\u4eec\u4f7f\u7528<code>textfield.text = text<\/code>\u83b7\u53d6\u4e86<code>Demo<\/code>\u89c6\u56fe\u4e2d<code>name<\/code>\u7684\u503c\uff0c\u4f46<code>makeUIView<\/code>\u53ea\u4f1a\u6267\u884c\u4e00\u6b21\u3002\u5f53\u70b9\u51fb<code>Random Name<\/code>\u5f15\u8d77<code>name<\/code>\u53d8\u5316\u65f6\uff0cSwiftUI \u5c06\u4f1a\u8c03\u7528<code>updateUIView<\/code>\uff0c\u800c\u6211\u4eec\u5e76\u6ca1\u6709\u5728\u5176\u4e2d\u505a\u4efb\u4f55\u7684\u5904\u7406\u3002\u53ea\u9700\u8981\u5728<code>updateUIVIew<\/code>\u4e2d\u6dfb\u52a0\u5982\u4e0b\u4ee3\u7801\u5373\u53ef\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> func updateUIView(_ uiView: UIViewType, context: Context) {\n        DispatchQueue.main.async {\n            uiView.text = text\n        }\n    }<\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p><code>makeUIView<\/code>\u65b9\u6cd5\u7684\u53c2\u6570\u4e2d\u6709\u4e00\u4e2a<code>context: Context<\/code>\uff0c\u901a\u8fc7\u8fd9\u4e2a\u4e0a\u4e0b\u6587\uff0c\u6211\u4eec\u53ef\u4ee5\u8bbf\u95ee\u5230<code>Coordinator<\/code>\uff08\u81ea\u5b9a\u4e49\u534f\u8c03\u5668\uff09\u3001<code>transaction<\/code>\uff08\u5982\u4f55\u5904\u7406\u72b6\u6001\u66f4\u65b0\uff0c\u52a8\u753b\u6a21\u5f0f\uff09\u4ee5\u53ca<code>environment<\/code>\uff08\u5f53\u524d\u89c6\u56fe\u7684\u73af\u5883\u503c\u96c6\u5408\uff09\u3002\u6211\u4eec\u4e4b\u540e\u5c06\u901a\u8fc7\u5b9e\u4f8b\u6f14\u793a\u5176\u7528\u6cd5\u3002\u8be5<code>context<\/code>\u540c\u6837\u53ef\u4ee5\u5728<code>updateUIVIew<\/code>\u548c<code>dismantleUIView<\/code>\u4e2d\u8bbf\u95ee\u3002<code>updataUIView<\/code>\u7684\u53c2\u6570<code>_ uiView:UIViewType<\/code>\u4e3a\u6211\u4eec\u5728<code>makeUIVIew<\/code>\u4e2d\u521b\u5efa\u7684 UIKit \u89c6\u56fe\u5b9e\u4f8b\u3002<\/p><\/blockquote>\n\n\n\n<p>\u73b0\u5728\uff0c\u6211\u4eec\u7684<code>TextFieldWrapper<\/code>\u7684\u8868\u73b0\u5df2\u7ecf\u786e\u5b9e\u540c<code>TextField<\/code>\u4e00\u81f4\u4e86\u3002<\/p>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"728\" height=\"458\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/01\/textFieldWrappertest-9634034.gif\" alt=\"\" class=\"wp-image-4893\"\/><\/figure>\n\n\n\n<p><strong>\u7248\u672c 2.0\u2014\u2014\u6dfb\u52a0\u8bbe\u5b9a<\/strong><\/p>\n\n\n\n<p>\u5728\u7b2c\u4e00\u4e2a\u7248\u672c\u7684\u57fa\u7840\u4e0a\uff0c\u6211\u4eec\u5c06\u4e3a<code>TextFieldWrapper<\/code>\u6dfb\u52a0<code>color<\/code>\u3001<code>font<\/code>\u3001<code>clearButtonMode<\/code>\u3001<code>onCommit<\/code>\u4ee5\u53ca<code>onEditingChanged<\/code>\u7684\u914d\u7f6e\u8bbe\u5b9a\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u8003\u8651\u5230\u5c3d\u91cf\u4e0d\u5c06\u4f8b\u7a0b\u590d\u6742\u5316\uff0c\u6211\u4eec\u4f7f\u7528<code>UIColor<\/code>\u3001<code>UIFont<\/code>\u4f5c\u4e3a\u914d\u7f6e\u7c7b\u578b\u3002\u5c06 SwiftUI \u7684<code>Color<\/code>\u548c<code>Font<\/code>\u8f6c\u6362\u6210 UIKit \u7248\u672c\u5c06\u589e\u52a0\u4e0d\u5c0f\u7684\u4ee3\u7801\u91cf\u3002<\/p><\/blockquote>\n\n\n\n<p><code>color<\/code>\u3001<code>font<\/code>\u4ee5\u53ca\u6211\u4eec\u65b0\u589e\u52a0\u7684<code>clearButtonMode<\/code>\u5e76\u4e0d\u9700\u8981\u53cc\u5411\u6570\u636e\u6d41\uff0c\u56e0\u6b64\u65e0\u9700\u91c7\u7528<code>Binding<\/code>\u65b9\u5f0f\uff0c\u4ec5\u9700\u5728<code>updateView<\/code>\u4e2d\u53ca\u65f6\u54cd\u5e94\u5b83\u4eec\u7684\u53d8\u5316\u65e2\u53ef\u3002<\/p>\n\n\n\n<p><code>onCommit<\/code>\u548c<code>onEditingChanged<\/code>\u5206\u522b\u5bf9\u5e94\u7740 UITextField \u4ee3\u7406\u7684<code>textFieldShouldReturn<\/code>\u3001<code>textFieldDidBeginEditing<\/code>\u4ee5\u53ca<code>textFieldDidEndEditing<\/code>\u65b9\u6cd5\uff0c\u6211\u4eec\u9700\u8981\u5728\u534f\u8c03\u5668\u4e2d\u5206\u522b\u5b9e\u73b0\u8fd9\u4e9b\u65b9\u6cd5\uff0c\u5e76\u8c03\u7528\u5bf9\u5e94\u7684<code>Block<\/code>\u3002<\/p>\n\n\n\n<p>\u9996\u5148\u4fee\u6539\u534f\u8c03\u5668\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">extension TextFieldWrapper {\n    class Coordinator: NSObject, UITextFieldDelegate {\n        @Binding var text: String\n        var onCommit: () -> Void\n        var onEditingChanged: (Bool) -> Void\n        init(text: Binding&lt;String>,\n             onCommit: @escaping () -> Void,\n             onEditingChanged: @escaping (Bool) -> Void) {\n            self._text = text\n            self.onCommit = onCommit\n            self.onEditingChanged = onEditingChanged\n        }\n\n        func textField(_ textField: UITextField, shouldChangeCharactersIn range: NSRange, replacementString string: String) -> Bool {\n            if let text = textField.text as NSString? {\n                let finaltext = text.replacingCharacters(in: range, with: string)\n                self.text = finaltext as String\n            }\n            return true\n        }\n\n        func textFieldShouldReturn(_ textField: UITextField) -> Bool {\n            onCommit()\n            return true\n        }\n\n        func textFieldDidBeginEditing(_ textField: UITextField) {\n            onEditingChanged(true)\n        }\n\n        func textFieldDidEndEditing(_ textField: UITextField, reason: UITextField.DidEndEditingReason) {\n            onEditingChanged(false)\n        }\n\n    }\n}<\/pre>\n\n\n\n<p>\u5bf9<code>TextFieldWrapper<\/code>\u8fdb\u884c\u4fee\u6539\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">struct TextFieldWrapper: UIViewRepresentable {\n    init(_ placeholder: String,\n         text: Binding&lt;String>,\n         color: UIColor = .label,\n         font: UIFont = .preferredFont(forTextStyle: .body),\n         clearButtonMode:UITextField.ViewMode = .whileEditing,\n         onCommit: @escaping () -> Void = {},\n         onEditingChanged: @escaping (Bool) -> Void = { _ in }\n    )\n    {\n        self.placeholder = placeholder\n        self._text = text\n        self.color = color\n        self.font = font\n        self.clearButtonMode = clearButtonMode\n        self.onCommit = onCommit\n        self.onEditingChanged = onEditingChanged\n    }\n\n    let placeholder: String\n    @Binding var text: String\n    let color: UIColor\n    let font: UIFont\n    let clearButtonMode: UITextField.ViewMode\n    var onCommit: () -> Void\n    var onEditingChanged: (Bool) -> Void\n\n    typealias UIViewType = UITextField\n    func makeUIView(context: Context) -> UIViewType {\n        let textfield = UITextField()\n        textfield.setContentHuggingPriority(.defaultHigh, for: .vertical)\n        textfield.setContentCompressionResistancePriority(.defaultLow, for: .horizontal)\n        textfield.placeholder = placeholder\n        textfield.delegate = context.coordinator\n        return textfield\n    }\n\n    func updateUIView(_ uiView: UIViewType, context: Context) {\n        DispatchQueue.main.async {\n            uiView.text = text\n            uiView.textColor = color\n            uiView.font = font\n            uiView.clearButtonMode = clearButtonMode\n        }\n    }\n\n    func makeCoordinator() -> Coordinator {\n        .init(text: $text,onCommit: onCommit,onEditingChanged: onEditingChanged)\n    }\n}<\/pre>\n\n\n\n<p>\u4fee\u6539<code>Demo<\/code>\u89c6\u56fe\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">struct Demo: View {\n    @State var name: String = \"\"\n    @State var color: UIColor = .red\n    var body: some View {\n        VStack {\n            TextFieldWrapper(\"name:\",\n                             text: $name,\n                             color: color,\n                             font: .preferredFont(forTextStyle: .title1),\n                             clearButtonMode: .whileEditing,\n                             onCommit: { print(\"return\") },\n                             onEditingChanged: { editing in print(\"isEditing \\(editing)\") })\n                .border(.blue)\n                .padding()\n            Text(\"name:\\(name)\")\n            Button(\"Random Name\") {\n                name = String(Int.random(in: 0...100))\n            }\n            Button(\"Change Color\") {\n                color = color == .red ? .label : .red\n            }\n        }\n    }\n}\n\nstruct TextFieldWrapperPreview: PreviewProvider {\n    static var previews: some View {\n        Demo()\n    }\n}\n<\/pre>\n\n\n\n<figure class=\"wp-block-image size-full\"><img loading=\"lazy\" decoding=\"async\" width=\"728\" height=\"458\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/01\/textfieldwrapperdemo2-9639150-9639151.gif\" alt=\"\" class=\"wp-image-4895\"\/><\/figure>\n\n\n\n<h5 class=\"wp-block-heading\">SwiftUI \u98ce\u683c\u5316<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u6211\u4eec\u4e0d\u4ec5\u5b9e\u73b0\u4e86\u5bf9\u5b57\u4f53\u3001\u8272\u5f69\u7684\u8bbe\u5b9a\uff0c\u800c\u4e14\u589e\u52a0\u4e86\u539f\u751f<code>TextField<\/code>\u6ca1\u6709\u7684<code>clearButtonMode<\/code>\u8bbe\u7f6e\u3002\u6309\u7167\u4e0a\u8ff0\u7684\u65b9\u6cd5\uff0c\u53ef\u4ee5\u9010\u6b65\u4e3a\u5176\u6dfb\u52a0\u66f4\u591a\u7684\u8bbe\u7f6e\uff0c\u8ba9<code>TextFieldWrapper<\/code>\u83b7\u5f97\u66f4\u591a\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<p><strong>\u4ee3\u7801\u597d\u50cf\u6709\u70b9\u4e0d\u592a\u5bf9\u52b2\uff1f\uff01<\/strong><\/p>\n\n\n\n<p>\u968f\u7740\u529f\u80fd\u914d\u7f6e\u7684\u589e\u52a0\uff0c\u4e0a\u9762\u4ee3\u7801\u5728\u4f7f\u7528\u4e2d\u4f1a\u6108\u53d1\u7684\u4e0d\u65b9\u4fbf\u3002\u5982\u4f55\u5b9e\u73b0\u7c7b\u4f3c\u539f\u751f<code>TextFiled<\/code>\u7684\u94fe\u5f0f\u8c03\u7528\u5462\uff1f\u8b6c\u5982\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\"> TextFieldWrapper(\"name:\",text:$name)\n            .clearMode(.whileEditing)\n            .onCommit{print(\"commit\")}\n            .foregroundColor(.red)\n            .font(.title)\n            .disabled(allowEdit)<\/pre>\n\n\n\n<p>\u672c\u8282\u4e2d\uff0c\u6211\u4eec\u5c06\u91cd\u5199\u914d\u7f6e\u4ee3\u7801\uff0c\u5b9e\u73b0 UIKit \u5305\u88c5\u98ce\u683c SwiftUI \u5316\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u672c\u8282\u4ee5\u7248\u672c 1.0 \u7ed3\u675f\u65f6\u7684\u4ee3\u7801\u4e3a\u57fa\u7840\u3002<\/p><\/blockquote>\n\n\n\n<p>\u6240\u8c13\u7684 SwfitUI \u98ce\u683c\u5316\uff0c\u66f4\u786e\u5207\u5730\u8bf4\u5e94\u8be5\u662f\u51fd\u6570\u5f0f\u7f16\u7a0b\u7684\u94fe\u5f0f\u8c03\u7528\u3002\u5c06\u591a\u4e2a\u64cd\u4f5c\u901a\u8fc7\u70b9\u53f7\uff08.\uff09\u94fe\u63a5\u5728\u4e00\u8d77\uff0c\u589e\u52a0\u53ef\u8bfb\u6027\u3002\u4f5c\u4e3a\u5c06\u51fd\u6570\u89c6\u4e3a\u4e00\u7b49\u516c\u6c11\u7684 Swift\uff0c\u5b9e\u73b0\u4e0a\u8ff0\u7684\u94fe\u5f0f\u8c03\u7528\u975e\u5e38\u65b9\u4fbf\u3002\u4e0d\u8fc7\u6709\u4ee5\u4e0b\u51e0\u70b9\u9700\u8981\u6ce8\u610f\uff1a<\/p>\n\n\n\n<ul><li>\u5982\u4f55\u6539\u53d8 View \u5185\u7684\u7684\u503c\uff08View \u662f\u7ed3\u6784\uff09<\/li><li>\u5982\u4f55\u5904\u7406\u8fd4\u56de\u7684\u7c7b\u578b\uff08\u4fdd\u8bc1\u8c03\u7528\u94fe\u7ee7\u7eed\u6709\u6548\uff09<\/li><li>\u5982\u4f55\u5229\u7528 SwiftUI \u6846\u67b6\u73b0\u6709\u7684\u6570\u636e\u5e76\u4e0e\u4e4b\u4ea4\u4e92\u903b\u8f91<\/li><\/ul>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u4e3a\u4e86\u66f4\u5168\u9762\u7684\u6f14\u793a\uff0c\u4e0b\u9762\u7684\u4f8b\u5b50\uff0c\u91c7\u7528\u4e86\u4e0d\u540c\u7684\u5904\u7406\u65b9\u5f0f\u3002\u5728\u5b9e\u9645\u4f7f\u7528\u4e2d\uff0c\u53ef\u6839\u636e\u5b9e\u9645\u9700\u6c42\u9009\u62e9\u9002\u5f53\u7684\u65b9\u6848\u3002<\/p><\/blockquote>\n\n\n\n<p><strong>foregroundColor<\/strong><\/p>\n\n\n\n<p>\u6211\u4eec\u5728 SwiftUI \u4e2d\u7ecf\u5e38\u4f1a\u7528\u5230<code>foregroundColor<\/code>\u6765\u8bbe\u7f6e\u524d\u666f\u8272\uff0c\u6bd4\u5982\u4e0b\u9762\u7684\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">VStack{\n                Text(\"hello world\")\n                    .foregroundColor(.red)\n            }\n            .foregroundColor(.blue)<\/pre>\n\n\n\n<p>\u4e0d\u77e5\u9053\u5927\u5bb6\u662f\u5426\u77e5\u9053\u4e0a\u9762\u7684\u4e24\u4e2a<code>foregroundColor<\/code>\u6709\u4ec0\u4e48\u4e0d\u540c\u3002<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">extension Text{\n    public func foregroundColor(_ color: Color?) -> Text\n}\n\nextension View{\n    public func foregroundColor(_ color: Color?) -> some View\n}\n<\/pre>\n\n\n\n<p>\u65b9\u6cd5\u540d\u4e00\u6837\uff0c\u4f46\u4f5c\u7528\u7684\u5bf9\u8c61\u4e0d\u540c\u3002<code>Text<\/code>\u53ea\u6709\u5728\u9488\u5bf9\u672c\u8eab\u7684<code>foregroundColor<\/code>\u6ca1\u6709\u8bbe\u7f6e\u7684\u65f6\u5019\uff0c\u624d\u4f1a\u5c1d\u8bd5\u4ece\u5f53\u524d\u73af\u5883\u4e2d\u83b7\u53d6<code>foregroundColor<\/code>\uff08\u9488\u5bf9 View\uff09\u7684\u8bbe\u5b9a\u3002\u539f\u751f\u7684<code>TextFiled<\/code>\u6ca1\u6709\u9488\u5bf9\u672c\u8eab\u7684<code>foregroundColor<\/code>\uff0c\u4e0d\u8fc7\u6211\u4eec\u76ee\u524d\u4e5f\u6ca1\u6709\u529e\u6cd5\u83b7\u53d6\u5230 SwiftUI \u9488\u5bf9 View \u7684<code>foregroundColor<\/code>\u8bbe\u5b9a\u7684\u73af\u5883\u503c\uff08\u4f30\u8ba1\u662f\uff09\uff0c\u56e0\u6b64\u6211\u4eec\u53ef\u4ee5\u4f7f\u7528<code>Text<\/code>\u7684\u65b9\u5f0f\uff0c\u4e3a<code>TextFieldWrapper<\/code>\u521b\u5efa\u4e00\u4e2a\u4e13\u5c5e\u7684<code>foregroundColor<\/code>\u3002<\/p>\n\n\n\n<p>\u4e3a<code>TextFieldWrapper<\/code>\u6dfb\u52a0\u4e00\u4e2a\u53d8\u91cf<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">private var color:UIColor = .label<\/pre>\n\n\n\n<p>\u5728<code>updateUIView<\/code>\u4e2d\u589e\u52a0<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">uiView.textColor = color<\/pre>\n\n\n\n<p>\u8bbe\u7f6e\u914d\u7f6e\u65b9\u6cd5\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">extension TextFieldWrapper {\n    func foregroundColor(_ color:UIColor) -> Self{\n        var view = self\n        view.color = color\n        return view\n    }\n}<\/pre>\n\n\n\n<p>\u5c31\u8fd9\u4e48\u7b80\u5355\u3002\u73b0\u5728\u6211\u4eec\u5c31\u53ef\u4ee5\u4f7f\u7528<code>.foreground(.red)<\/code>\u6765\u8bbe\u7f6e<code>TextFieldWrapper<\/code>\u7684\u6587\u5b57\u989c\u8272\u4e86\u3002<\/p>\n\n\n\n<p>\u8fd9\u79cd\u5199\u6cd5\u662f\u4e3a\u7279\u5b9a\u89c6\u56fe\u7c7b\u578b\u6dfb\u52a0\u6269\u5c55\u7684\u5e38\u7528\u5199\u6cd5\u3002\u6709\u4ee5\u4e0b\u4e24\u4e2a\u4f18\u70b9\uff1a<\/p>\n\n\n\n<ul><li>\u4f7f\u7528<code>private<\/code>\uff0c\u65e0\u9700\u66b4\u9732\u914d\u7f6e\u53d8\u91cf<\/li><li>\u4ecd\u8fd4\u56de\u7279\u5b9a\u7c7b\u578b\u7684\u89c6\u56fe\uff0c\u6709\u5229\u4e8e\u7ef4\u6301\u94fe\u5f0f\u7a33\u5b9a<\/li><\/ul>\n\n\n\n<p>\u6211\u4eec\u51e0\u4e4e\u53ef\u4ee5\u4f7f\u7528\u8fd9\u79cd\u65b9\u5f0f\u5b8c\u6210\u5168\u90e8\u7684\u94fe\u5f0f\u6269\u5c55\u3002\u5982\u679c\u6269\u5c55\u8f83\u591a\u65f6\uff0c\u53ef\u4ee5\u91c7\u7528\u4e0b\u9762\u7684\u65b9\u5f0f\uff0c\u8fdb\u4e00\u6b65\u6e05\u6670\u3001\u7b80\u5316\u4ee3\u7801\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    extension View {\n        func then(_ body: (inout Self) -> Void) -> Self {\n            var result = self\n            body(&amp;result)\n            return result\n        }\n    }\n\n    func foregroundColor(_ color:UIColor) -> Self{\n        then{\n            $0.color = color\n        }\n    }<\/pre>\n\n\n\n<p><strong>disabled<\/strong><\/p>\n\n\n\n<p>SwiftUI \u9488\u5bf9 View \u9884\u8bbe\u4e86\u975e\u5e38\u591a\u7684\u6269\u5c55\uff0c\u5176\u4e2d\u6709\u76f8\u5f53\u7684\u90e8\u5206\u90fd\u662f\u901a\u8fc7\u73af\u5883\u503c<code>EnvironmentValue<\/code>\u6765\u9010\u7ea7\u4f20\u9012\u7684\u3002\u901a\u8fc7\u76f4\u63a5\u54cd\u5e94\u8be5\u73af\u5883\u503c\u7684\u53d8\u5316\uff0c\u6211\u4eec\u53ef\u4ee5\u5728\u4e0d\u7f16\u5199\u7279\u5b9a<code>TextFieldWrapper<\/code>\u6269\u5c55\u7684\u60c5\u51b5\u4e0b\uff0c\u5373\u53ef\u4e3a\u5176\u589e\u52a0\u914d\u7f6e\u529f\u80fd\u3002<\/p>\n\n\n\n<p>\u4f8b\u5982\uff0c<code>View<\/code>\u6709\u4e00\u4e2a\u6269\u5c55<code>.disabled<\/code>\uff0c\u901a\u5e38\u6211\u4eec\u4f1a\u7528\u5b83\u6765\u63a7\u5236\u4ea4\u4e92\u63a7\u4ef6\u7684\u53ef\u64cd\u4f5c\u6027\uff08<code>.disable<\/code>\u5bf9\u5e94\u7684<code>EnviromentValue<\/code>\u4e3a<code>isEnabled<\/code>\uff09\u3002<\/p>\n\n\n\n<p>\u5728<code>TextFieldWrapper<\/code>\u4e2d\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">@Environment(\\.isEnabled) var isEnabled<\/pre>\n\n\n\n<p>\u5728<code>updateUIView<\/code>\u4e2d\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">uiView.isEnabled = isEnabled<\/pre>\n\n\n\n<p>\u53ea\u9700\u8981\u4e24\u6761\u8bed\u53e5\uff0c<code>TextFieldWrapper<\/code>\u4fbf\u53ef\u4ee5\u76f4\u63a5\u4f7f\u7528<code>View<\/code>\u7684<code>disable<\/code>\u6269\u5c55\u6765\u63a7\u5236\u5176\u662f\u5426\u53ef\u4ee5\u5f55\u5165\u6570\u636e\u3002<\/p>\n\n\n\n<p>\u8fd8\u8bb0\u5f97\u4e0a\u6587\u4e2d\u4ecb\u7ecd\u7684<code>context<\/code>\u5417\uff1f\u6211\u4eec\u53ef\u4ee5\u76f4\u63a5\u901a\u8fc7<code>context<\/code>\u83b7\u53d6\u4e0a\u4e0b\u6587\u4e2d\u7684\u73af\u5883\u503c\u3002\u56e0\u6b64\u652f\u6301\u539f\u751f\u7684<code>View<\/code>\u6269\u5c55\u5c06\u4e00\u6b65\u7b80\u5316\u3002<\/p>\n\n\n\n<p><strong>\u65e0\u9700<\/strong>\u6dfb\u52a0<code>@Environemnt<\/code>\uff0c\u53ea\u9700\u8981\u5728<code>updateUIView<\/code>\u4e2d\u6dfb\u52a0\u4e00\u6761\u8bed\u53e5\u65e2\u53ef\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">uiView.isEnabled = context.environment.isEnabled<\/pre>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>\u5728\u5199\u672c\u6587\u65f6\uff0c\u5728 iOS15 beta \u4e0b\u8fd0\u884c\u8be5\u4ee3\u7801\uff0c\u4f1a\u51fa\u73b0<code>AttributeGraph: cycle detected through attribute<\/code>\u7684\u8b66\u544a\uff0c\u8fd9\u4e2a\u5e94\u8be5\u662f iOS15 \u7684 Bug\uff0c\u8bf7\u81ea\u884c\u5ffd\u7565\u3002<\/p><\/blockquote>\n\n\n\n<p>\u901a\u8fc7\u73af\u5883\u503c\u6765\u8bbe\u7f6e\u662f\u4e00\u79cd\u5341\u5206\u4fbf\u6377\u7684\u65b9\u5f0f\uff0c\u552f\u4e00\u9700\u8981\u6ce8\u610f\u7684\u662f\uff0c\u5b83\u4f1a\u6539\u53d8\u94fe\u5f0f\u7ed3\u6784\u7684\u8fd4\u56de\u503c\u3002\u56e0\u6b64\uff0c\u5728\u8be5\u8282\u70b9\u540e\u7684\u94fe\u5f0f\u65b9\u6cd5\u53ea\u80fd\u662f\u9488\u5bf9<code>View<\/code>\u8bbe\u7f6e\u7684\uff0c\u50cf\u4e4b\u524d\u6211\u4eec\u521b\u5efa\u7684<code>foregroundColor<\/code>\u5c31\u53ea\u80fd\u653e\u7f6e\u5728\u8fd9\u4e2a\u8282\u70b9\u4e4b\u524d\u3002<\/p>\n\n\n\n<p><strong>font<\/strong><\/p>\n\n\n\n<p>\u6211\u4eec\u4e5f\u53ef\u4ee5\u81ea\u5df1\u521b\u5efa\u73af\u5883\u503c\u6765\u5b9e\u73b0\u5bf9<code>TextFieldWrapper<\/code>\u7684\u914d\u7f6e\u3002\u6bd4\u5982\uff0cSwiftUI \u63d0\u4f9b\u7684<code>font<\/code>\u73af\u5883\u503c\u7684\u7c7b\u578b\u4e3a<code>Font<\/code>\uff0c\u672c\u4f8b\u4e2d\u6211\u4eec\u5c06\u521b\u5efa\u4e00\u4e2a\u9488\u5bf9<code>UIFont<\/code>\u7684\u73af\u5883\u503c\u8bbe\u5b9a\u3002<\/p>\n\n\n\n<p>\u521b\u5efa\u73af\u5883\u503c<code>myFont<\/code>\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">struct MyFontKey:EnvironmentKey{\n    static var defaultValue: UIFont?\n}\n\nextension EnvironmentValues{\n    var myFont:UIFont?{\n        get{self[MyFontKey.self]}\n        set{self[MyFontKey.self] = newValue}\n    }\n}\n<\/pre>\n\n\n\n<p>\u5728<code>updateUIVIew<\/code>\u4e2d\u6dfb\u52a0\uff1a<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">uiView.font = context.environment.myFont<\/pre>\n\n\n\n<p><code>font<\/code>\u65b9\u6cd5\u53ef\u4ee5\u6709\u591a\u79cd\u5199\u6cd5\uff1a<\/p>\n\n\n\n<ul><li>\u540c<code>forgroundColor<\/code>\u4e00\u6837\u7684\u5bf9<code>TextFieldWrapper<\/code>\u8fdb\u884c\u6269\u5c55<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">    func font(_ font:UIFont) -> some View{\n        environment(\\.myFont, font)\n    }\n<\/pre>\n\n\n\n<ul><li>\u5bf9<code>View<\/code>\u8fdb\u884c\u6269\u5c55<\/li><\/ul>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">extension View {\n    func font(_ font:UIFont?) -> some View{\n        environment(\\.myFont, font)\n    }\n}\n<\/pre>\n\n\n\n<p>\u4e24\u79cd\u65b9\u5f0f\u7684\u94fe\u5f0f\u8282\u70b9\u7684\u8fd4\u56de\u503c\u90fd\u4e0d\u518d\u662f<code>TextFieldWrapper<\/code>\uff0c\u540e\u9762\u5e94\u8be5\u63a5\u9488\u5bf9<code>View<\/code>\u7684\u6269\u5c55\u3002<\/p>\n\n\n\n<p><strong>onCommit<\/strong><\/p>\n\n\n\n<p>\u5728\u7248\u672c 2 \u7684\u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4e3a<code>TextFieldWrapper<\/code>\u6dfb\u52a0\u4e86<code>onCommit<\/code>\u8bbe\u7f6e\uff0c\u5728\u7528\u6237\u8f93\u5165<code>return<\/code>\u65f6\u4f1a\u89e6\u53d1\u8be5\u6bb5\u4ee3\u7801\u3002\u672c\u4f8b\u4e2d\uff0c\u6211\u4eec\u5c06\u4e3a<code>onCommit<\/code>\u6dfb\u52a0\u4e00\u4e2a\u53ef\u4fee\u6539\u7248\u672c\uff0c\u4e14\u4e0d\u9700\u8981\u901a\u8fc7\u534f\u8c03\u5668\u6784\u9020\u51fd\u6570\u4f20\u9012\u3002<\/p>\n\n\n\n<p>\u672c\u4f8b\u4e2d\u7684\u6280\u5de7\u5728\u4e4b\u524d\u90fd\u51fa\u73b0\u8fc7\uff0c\u552f\u4e00\u9700\u8981\u63d0\u9192\u7684\u662f\u5728<code>updateUIView<\/code>\u4e2d\uff0c\u53ef\u4ee5\u901a\u8fc7<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">context.coordinator.onCommit = onCommit\ncontext.coordinator.onEditingChanged = onEditingChanged<\/pre>\n\n\n\n<p>\u6539\u53d8\u534f\u8c03\u5668\u5185\u7684\u53d8\u91cf\u3002\u8fd9\u662f\u4e00\u79cd\u975e\u5e38\u6709\u6548\u7684\u5728 SwiftUI \u548c\u534f\u8c03\u5668\u4e4b\u95f4\u8fdb\u884c\u6c9f\u901a\u7684\u624b\u6bb5\u3002<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter size-large is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/123.57.164.21\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23-1024x607.png\" alt=\"\" class=\"wp-image-4898\" width=\"448\" height=\"265\" srcset=\"https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23-1024x607.png 1024w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23-300x178.png 300w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23-768x456.png 768w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23-830x492.png 830w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23-230x136.png 230w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23-350x208.png 350w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23-480x285.png 480w, https:\/\/92it.top\/wp-content\/uploads\/2022\/01\/\u56fe\u7247-23.png 1126w\" sizes=\"(max-width: 448px) 100vw, 448px\" \/><\/figure><\/div>\n\n\n\n<h5 class=\"wp-block-heading\">\u907f\u514d\u6ee5\u7528 UIKit \u5305\u88c5<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>\u5c3d\u7ba1\u5728 SwiftUI \u4e2d\u4f7f\u7528 UIKit \u6216 AppKit \u5e76\u4e0d\u9ebb\u70e6\uff0c\u4f46\u662f\u5f53\u4f60\u6253\u7b97\u5305\u88c5\u4e00\u4e2a UIKit \u63a7\u4ef6\u65f6\uff08\u5c24\u5176\u662f\u5df2\u6709 SwiftUI \u5b98\u65b9\u539f\u751f\u89e3\u51b3\u65b9\u6848\uff09\uff0c\u8bf7\u52a1\u5fc5\u4e09\u601d\u3002<\/p>\n\n\n\n<p>\u82f9\u679c\u5bf9 SwiftUI \u7684\u91ce\u5fc3\u975e\u5e38\u5927\uff0c\u4e0d\u4ec5\u4e3a\u5f00\u53d1\u8005\u5e26\u6765\u4e86\u58f0\u660e+\u54cd\u5e94\u5f0f\u7684\u7f16\u7a0b\u4f53\u9a8c\uff0c\u540c\u65f6\u82f9\u679c\u5bf9 SwiftUI \u5728\u8de8\u8bbe\u5907\u3001\u8de8\u5e73\u53f0\u4e0a\uff08\u82f9\u679c\u751f\u6001\uff09\u4e5f\u505a\u51fa\u4e86\u5de8\u5927\u7684\u6295\u5165\u4e86\u3002<\/p>\n\n\n\n<p>\u82f9\u679c\u4e3a\u6bcf\u4e00\u4e2a\u539f\u751f\u63a7\u4ef6\uff08\u6bd4\u5982<code>TextField<\/code>\uff09\uff0c\u9488\u5bf9\u4e0d\u540c\u7684\u5e73\u53f0\uff08iOS\u3001macOS\u3001tvOS\u3001watchOS\uff09\u505a\u4e86\u5927\u91cf\u7684\u4f18\u5316\u3002\u8fd9\u662f\u5176\u4ed6\u4efb\u4f55\u4eba\u90fd\u5f88\u96be\u81ea\u5df1\u5b8c\u6210\u7684\u3002\u56e0\u6b64\uff0c\u5728\u4f60\u6253\u7b97\u4e3a\u4e86\u67d0\u4e2a\u7279\u5b9a\u529f\u80fd\u91cd\u65b0\u5305\u88c5\u4e00\u4e2a\u7cfb\u7edf\u63a7\u4ef6\u65f6\uff0c\u8bf7\u5148\u8003\u8651\u4ee5\u4e0b\u51e0\u70b9\u3002<\/p>\n\n\n\n<p><strong>\u5b98\u65b9\u7684\u539f\u751f\u65b9\u6848<\/strong><\/p>\n\n\n\n<p>SwiftUI \u8fd9\u51e0\u5e74\u53d1\u5c55\u7684\u5f88\u5feb\uff0c\u6bcf\u4e2a\u7248\u672c\u90fd\u589e\u52a0\u4e86\u4e0d\u5c11\u65b0\u529f\u80fd\uff0c\u6216\u8bb8\u4f60\u9700\u8981\u7684\u529f\u80fd\u5df2\u7ecf\u88ab\u6dfb\u52a0\u3002\u82f9\u679c\u6700\u8fd1\u4e24\u5e74\u5bf9 SwiftUI \u7684\u6587\u6863\u652f\u6301\u63d0\u9ad8\u4e86\u4e0d\u5c11\uff0c\u4f46\u8fd8\u6ca1\u5230\u4ee4\u4eba\u6ee1\u610f\u7684\u5730\u6b65\u3002\u4f5c\u4e3a SwiftUI \u7684\u5f00\u53d1\u8005\uff0c\u6211\u63a8\u8350\u5927\u5bb6\u6700\u597d\u8d2d\u4e70\u4e00\u4efd javier \u5f00\u53d1\u7684 <a rel=\"noreferrer noopener\" href=\"https:\/\/swiftui-lab.com\/companion\/\" target=\"_blank\">A Companion for SwiftUI<\/a>\u3002\u8be5 app \u63d0\u4f9b\u4e86\u8fdc\u6bd4\u5b98\u65b9\u4e30\u5bcc\u3001\u6e05\u6670\u7684 SwiftUI API \u6307\u5357\u3002\u4f7f\u7528\u8be5 app \u4f60\u4f1a\u53d1\u73b0\u539f\u6765 SwiftUI \u63d0\u4f9b\u4e86\u5982\u6b64\u591a\u7684\u529f\u80fd\u3002<\/p>\n\n\n\n<p><strong>\u7528\u539f\u751f\u65b9\u6cd5\u7ec4\u5408\u89e3\u51b3<\/strong><\/p>\n\n\n\n<p>\u5728 SwiftUI 3.0 \u7248\u672c\u4e4b\u524d\uff0cSwiftUI \u5e76\u4e0d\u63d0\u4f9b<code>searchbar<\/code>\uff0c\u6b64\u65f6\u4f1a\u51fa\u73b0\u4e24\u79cd\u8def\u7ebf\uff0c\u4e00\u79cd\u662f\u81ea\u5df1\u5305\u88c5\u4e00\u4e2a UIKit \u7684<code>UISearchbar<\/code>\uff0c\u53e6\u5916\u5c31\u662f\u901a\u8fc7\u4f7f\u7528 SwiftUI \u7684\u539f\u751f\u65b9\u6cd5\u6765\u7ec4\u5408\u4e00\u4e2a<code>searchbar<\/code>\u3002\u5728\u591a\u6570\u60c5\u51b5\u4e0b\uff0c\u4e24\u79cd\u65b9\u5f0f\u90fd\u80fd\u53d6\u5f97\u6ee1\u610f\u7684\u6548\u679c\u3002\u4e0d\u8fc7\u7528\u539f\u751f\u65b9\u6cd5\u521b\u5efa\u7684<code>searchbar<\/code>\u5728\u6784\u56fe\u4e0a\u66f4\u7075\u6d3b\uff0c\u540c\u65f6\u652f\u6301\u4f7f\u7528<code>LocalizedString<\/code>\u4f5c\u4e3a placeholder\u3002\u6211\u4e2a\u4eba\u4f1a\u66f4\u503e\u5411\u4e8e\u4f7f\u7528\u7ec4\u5408\u7684\u65b9\u6848\u3002<\/p>\n\n\n\n<blockquote class=\"wp-block-quote is-layout-flow wp-block-quote-is-layout-flow\"><p>SwiftUI \u4e2d\u5f88\u591a\u6570\u636e\u7c7b\u578b\u5b98\u65b9\u5e76\u4e0d\u63d0\u4f9b\u8f6c\u6362\u5230\u5176\u4ed6\u6846\u67b6\u7c7b\u578b\u7684\u65b9\u6848\u3002\u6bd4\u5982<code>Color<\/code>\u3001<code>Font<\/code>\u3002\u4e0d\u8fc7\u8fd9\u4e24\u4e2a\u591a\u5199\u70b9\u4ee3\u7801\u8fd8\u662f\u53ef\u4ee5\u8f6c\u6362\u7684\u3002<code>LocalizedString<\/code>\u76ee\u524d\u53ea\u80fd\u901a\u8fc7\u975e\u6b63\u5e38\u7684\u624b\u6bb5\u6765\u8f6c\u6362\uff08\u4f7f\u7528<code>Mirror<\/code>\uff09, \u5f88\u96be\u4fdd\u8bc1\u53ef\u4ee5\u957f\u4e45\u4f7f\u7528\u8be5\u8f6c\u6362\u65b9\u5f0f\u3002<\/p><\/blockquote>\n\n\n\n<p><strong>Introspect for SwiftUI<\/strong><\/p>\n\n\n\n<p>\u5728\u7248\u672c 2 \u4ee3\u7801\u4e2d\uff0c\u6211\u4eec\u4e3a<code>TextFieldWrapper<\/code>\u6dfb\u52a0\u4e86<code>clearButtonMode<\/code>\u7684\u8bbe\u7f6e\uff0c\u4e5f\u662f\u6211\u4eec\u552f\u4e00\u589e\u52a0\u7684\u76ee\u524d<code>TextField<\/code>\u5c1a\u4e0d\u652f\u6301\u7684\u8bbe\u5b9a\u3002\u4e0d\u8fc7\uff0c\u5982\u679c\u6211\u4eec\u4ec5\u4ec5\u662f\u4e3a\u4e86\u6dfb\u52a0\u8fd9\u4e2a\u529f\u80fd\u5c31\u81ea\u5df1\u5305\u88c5<code>UITextField<\/code>\u90a3\u5c31\u5927\u9519\u7279\u9519\u4e86\u3002<\/p>\n\n\n\n<p><a href=\"https:\/\/github.com\/siteline\/SwiftUI-Introspect\" target=\"_blank\" rel=\"noreferrer noopener\">Introspect<\/a> \u901a\u8fc7\u81ea\u7701\u7684\u65b9\u6cd5\u6765\u5c1d\u8bd5\u67e5\u627e\u539f\u751f\u63a7\u4ef6\u80cc\u540e\u5305\u88c5\u7684 UIKit\uff08\u6216 AppKit\uff09\u7ec4\u4ef6\u3002\u76ee\u524d\u5b98\u65b9\u5c1a\u672a\u5728 SwiftUI \u4e2d\u5f00\u653e\u7684\u529f\u80fd\u591a\u6570\u53ef\u4ee5\u901a\u8fc7\u6b64\u6269\u5c55\u5e93\u63d0\u4f9b\u7684\u65b9\u6cd5\u6765\u89e3\u51b3\u3002<\/p>\n\n\n\n<p>\u6bd4\u5982\uff1a\u4e0b\u9762\u7684\u4ee3\u7801\u5c06\u4e3a\u539f\u751f\u7684<code>TextField<\/code>\u6dfb\u52a0<code>clearButtonMode<\/code>\u8bbe\u7f6e<\/p>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">        import Introspect\n        extension TextField {\n            func clearButtonMode(_ mode:UITextField.ViewMode) -> some View{\n                introspectTextField{ tf in\n                    tf.clearButtonMode = mode\n                }\n            }\n        }\n\n        TextField(\"name:\",text:$name)\n           .clearButtonMode(.whileEditing)\n<\/pre>\n\n\n\n<h5 class=\"wp-block-heading\">\u603b\u7ed3<\/h5>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<p>wiftUI \u4e0e UIKit \u548c AppKit \u4e4b\u95f4\u7684\u4e92\u64cd\u4f5c\u6027\u4e3a\u5f00\u53d1\u8005\u63d0\u4f9b\u4e86\u5f3a\u5927\u7684\u7075\u6d3b\u6027\u3002\u5b66\u4f1a\u4f7f\u7528\u5f88\u5bb9\u6613\uff0c\u4f46\u60f3\u7528\u597d\u786e\u5b9e\u6709\u4e00\u5b9a\u7684\u96be\u5ea6\u3002\u5728 UIKit \u89c6\u56fe\u548c SwiftUI \u89c6\u56fe\u4e4b\u95f4\u5171\u4eab\u53ef\u53d8\u72b6\u6001\u548c\u590d\u6742\u7684\u4ea4\u4e92\u901a\u5e38\u76f8\u5f53\u590d\u6742\uff0c\u9700\u8981\u6211\u4eec\u5728\u8fd9\u4e24\u79cd\u6846\u67b6\u4e4b\u95f4\u6784\u5efa\u5404\u79cd\u6865\u63a5\u5c42\u3002<\/p>\n\n\n\n<p>\u672c\u6587\u5e76\u6ca1\u6709\u6d89\u53ca\u5305\u88c5\u5177\u6709\u590d\u6742\u903b\u8f91\u4ee3\u7801\u7684\u534f\u8c03\u5668\u540c SwiftUI \u6216 Redux 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