{"id":56167,"date":"2025-08-14T13:44:37","date_gmt":"2025-08-14T05:44:37","guid":{"rendered":"https:\/\/www.wsisp.com\/helps\/56167.html"},"modified":"2025-08-14T13:44:37","modified_gmt":"2025-08-14T05:44:37","slug":"swiftui-%e9%a1%b5%e9%9d%a2%e5%bc%b9%e7%aa%97%e6%93%8d%e4%bd%9c","status":"publish","type":"post","link":"https:\/\/www.wsisp.com\/helps\/56167.html","title":{"rendered":"SwiftUI \u9875\u9762\u5f39\u7a97\u64cd\u4f5c"},"content":{"rendered":"<\/p>\n<h4>SwiftUI \u9875\u9762\u5f39\u7a97\u64cd\u4f5c\u6307\u5357<\/h4>\n<ul>\n<li>\u4e00\u3001\u57fa\u7840\u5f39\u7a97\u5b9e\u73b0<\/li>\n<li>\n<ul>\n<li>1. Alert \u57fa\u7840\u8b66\u544a\u6846<\/li>\n<li>2. ActionSheet \u64cd\u4f5c\u83dc\u5355<\/li>\n<li>3. Sheet \u6a21\u6001\u89c6\u56fe<\/li>\n<li>4. Popover \u6d6e\u52a8\u89c6\u56fe<\/li>\n<\/ul>\n<\/li>\n<li>\u4e8c\u3001\u9ad8\u7ea7\u81ea\u5b9a\u4e49\u5f39\u7a97<\/li>\n<li>\n<ul>\n<li>1. \u81ea\u5b9a\u4e49\u5f39\u7a97\u7ec4\u4ef6<\/li>\n<li>2. \u4f7f\u7528\u81ea\u5b9a\u4e49\u5f39\u7a97<\/li>\n<\/ul>\n<\/li>\n<li>\u4e09\u3001\u5f39\u7a97\u72b6\u6001\u7ba1\u7406<\/li>\n<li>\n<ul>\n<li>1. \u4f7f\u7528\u73af\u5883\u5bf9\u8c61\u7ba1\u7406\u5f39\u7a97<\/li>\n<li>2. \u5f39\u7a97\u8def\u7531\u7cfb\u7edf<\/li>\n<\/ul>\n<\/li>\n<li>\u56db\u3001\u52a8\u753b\u4e0e\u8fc7\u6e21\u6548\u679c<\/li>\n<li>\n<ul>\n<li>1. \u81ea\u5b9a\u4e49\u5f39\u7a97\u52a8\u753b<\/li>\n<li>2. \u591a\u79cd\u5165\u573a\u52a8\u753b<\/li>\n<\/ul>\n<\/li>\n<li>\u4e94\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/li>\n<li>\n<ul>\n<li>1. \u767b\u5f55\u5f39\u7a97<\/li>\n<li>2. \u5546\u54c1\u8be6\u60c5\u5f39\u7a97<\/li>\n<\/ul>\n<\/li>\n<li>\u516d\u3001\u6700\u4f73\u5b9e\u8df5\u4e0e\u6027\u80fd\u4f18\u5316<\/li>\n<li>\n<ul>\n<li>1. \u5f39\u7a97\u751f\u547d\u5468\u671f\u7ba1\u7406<\/li>\n<li>2. \u5f39\u7a97\u72b6\u6001\u6301\u4e45\u5316<\/li>\n<\/ul>\n<\/li>\n<li>\u4e03\u3001\u8de8\u5e73\u53f0\u9002\u914d<\/li>\n<li>\n<ul>\n<li>1. macOS \u9002\u914d<\/li>\n<\/ul>\n<\/li>\n<li>\u603b\u7ed3&#xff1a;SwiftUI \u5f39\u7a97\u6700\u4f73\u5b9e\u8df5<\/li>\n<li>\n<ul>\n<li>\u6838\u5fc3\u8981\u70b9&#xff1a;<\/li>\n<li>\u5b8c\u6574\u5de5\u4f5c\u6d41&#xff1a;<\/li>\n<li>\u63a8\u8350\u5b9e\u8df5&#xff1a;<\/li>\n<li>\u76f8\u5173\u5176\u4ed6\u6587\u7ae0<\/li>\n<\/ul>\n<\/li>\n<\/ul>\n<p> \u5728 SwiftUI \u4e2d\u5b9e\u73b0\u5f39\u7a97\u64cd\u4f5c\u6709\u591a\u79cd\u65b9\u5f0f&#xff0c;\u6211\u5c06\u63d0\u4f9b\u4e00\u5957\u5b8c\u6574\u7684\u89e3\u51b3\u65b9\u6848&#xff0c;\u5305\u542b\u591a\u79cd\u5f39\u7a97\u7c7b\u578b\u3001\u81ea\u5b9a\u4e49\u52a8\u753b\u548c\u72b6\u6001\u7ba1\u7406\u3002<\/p>\n<h2>\u4e00\u3001\u57fa\u7840\u5f39\u7a97\u5b9e\u73b0<\/h2>\n<h3>1. Alert \u57fa\u7840\u8b66\u544a\u6846<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">AlertView<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> showAlert <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u663e\u793a\u8b66\u544a&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            showAlert <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u91cd\u8981\u901a\u77e5&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> isPresented<span class=\"token punctuation\">:<\/span> $showAlert<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u786e\u5b9a&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> role<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>cancel<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u5220\u9664&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> role<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>destructive<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span> message<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u786e\u5b9a\u8981\u6267\u884c\u6b64\u64cd\u4f5c\u5417&#xff1f;&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2. ActionSheet \u64cd\u4f5c\u83dc\u5355<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ActionSheetView<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> showActionSheet <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u663e\u793a\u64cd\u4f5c\u83dc\u5355&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            showActionSheet <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">confirmationDialog<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u9009\u62e9\u64cd\u4f5c&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> isPresented<span class=\"token punctuation\">:<\/span> $showActionSheet<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u62cd\u7167&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u4ece\u76f8\u518c\u9009\u62e9&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u53d6\u6d88&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> role<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>cancel<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>3. Sheet \u6a21\u6001\u89c6\u56fe<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">SheetView<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> showSheet <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u663e\u793a\u6a21\u6001\u89c6\u56fe&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            showSheet <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">sheet<\/span><span class=\"token punctuation\">(<\/span>isPresented<span class=\"token punctuation\">:<\/span> $showSheet<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">VStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u8fd9\u662f\u6a21\u6001\u89c6\u56fe&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u5173\u95ed&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    showSheet <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">presentationDetents<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">.<\/span>medium<span class=\"token punctuation\">,<\/span> <span class=\"token punctuation\">.<\/span>large<span class=\"token punctuation\">]<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token comment\">\/\/ iOS 16&#043; \u9ad8\u5ea6\u63a7\u5236<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>4. Popover \u6d6e\u52a8\u89c6\u56fe<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">PopoverView<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> showPopover <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u663e\u793a\u6d6e\u52a8\u89c6\u56fe&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            showPopover<span class=\"token punctuation\">.<\/span><span class=\"token function\">toggle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">popover<\/span><span class=\"token punctuation\">(<\/span>isPresented<span class=\"token punctuation\">:<\/span> $showPopover<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">VStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u6d6e\u52a8\u5185\u5bb9&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u5173\u95ed&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    showPopover <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">frame<\/span><span class=\"token punctuation\">(<\/span>width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">,<\/span> height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">150<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e8c\u3001\u9ad8\u7ea7\u81ea\u5b9a\u4e49\u5f39\u7a97<\/h2>\n<h3>1. \u81ea\u5b9a\u4e49\u5f39\u7a97\u7ec4\u4ef6<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">CustomPopup<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Content<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ZStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> isPresented <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u534a\u900f\u660e\u80cc\u666f<\/span><br \/>\n                <span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>black<span class=\"token punctuation\">.<\/span><span class=\"token function\">opacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.4<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">edgesIgnoringSafeArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>all<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span>onTapGesture <span class=\"token punctuation\">{<\/span><br \/>\n                        isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u5f39\u7a97\u5185\u5bb9<\/span><br \/>\n                <span class=\"token class-name\">VStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">content<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">background<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">cornerRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">shadow<\/span><span class=\"token punctuation\">(<\/span>radius<span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">transition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>scale<span class=\"token punctuation\">.<\/span><span class=\"token function\">combined<\/span><span class=\"token punctuation\">(<\/span>with<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">zIndex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">animation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">spring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> isPresented<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2. \u4f7f\u7528\u81ea\u5b9a\u4e49\u5f39\u7a97<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ContentView<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> showCustomPopup <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">VStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u663e\u793a\u81ea\u5b9a\u4e49\u5f39\u7a97&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                showCustomPopup<span class=\"token punctuation\">.<\/span><span class=\"token function\">toggle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">customPopup<\/span><span class=\"token punctuation\">(<\/span>isPresented<span class=\"token punctuation\">:<\/span> $showCustomPopup<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">VStack<\/span><span class=\"token punctuation\">(<\/span>spacing<span class=\"token punctuation\">:<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u81ea\u5b9a\u4e49\u5f39\u7a97\u6807\u9898&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">font<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u8fd9\u91cc\u662f\u5f39\u7a97\u5185\u5bb9\u533a\u57df&#xff0c;\u53ef\u4ee5\u653e\u7f6e\u4efb\u4f55SwiftUI\u89c6\u56fe&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">multilineTextAlignment<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>center<span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token class-name\">HStack<\/span><span class=\"token punctuation\">(<\/span>spacing<span class=\"token punctuation\">:<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u53d6\u6d88&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        showCustomPopup <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">buttonStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>bordered<span class=\"token punctuation\">)<\/span><\/p>\n<p>                    <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u786e\u8ba4&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u6267\u884c\u64cd\u4f5c<\/span><br \/>\n                        showCustomPopup <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">buttonStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>borderedProminent<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token comment\">\/\/ \u89c6\u56fe\u6269\u5c55<\/span><br \/>\n<span class=\"token keyword\">extension<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">func<\/span> <span class=\"token function-definition function\">customPopup<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">(<\/span><br \/>\n        isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Binding<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Bool<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">,<\/span><br \/>\n        <span class=\"token attribute atrule\">&#064;ViewBuilder<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token attribute atrule\">&#064;escaping<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Content<\/span><br \/>\n    <span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">self<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">modifier<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">CustomPopupModifier<\/span><span class=\"token punctuation\">(<\/span>isPresented<span class=\"token punctuation\">:<\/span> isPresented<span class=\"token punctuation\">,<\/span> content<span class=\"token punctuation\">:<\/span> content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">CustomPopupModifier<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ViewModifier<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Content<\/span><\/p>\n<p>    <span class=\"token keyword\">func<\/span> <span class=\"token function-definition function\">body<\/span><span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ZStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            content<br \/>\n            <span class=\"token class-name\">CustomPopup<\/span><span class=\"token punctuation\">(<\/span>isPresented<span class=\"token punctuation\">:<\/span> $isPresented<span class=\"token punctuation\">,<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">self<\/span><span class=\"token punctuation\">.<\/span>content<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e09\u3001\u5f39\u7a97\u72b6\u6001\u7ba1\u7406<\/h2>\n<h3>1. \u4f7f\u7528\u73af\u5883\u5bf9\u8c61\u7ba1\u7406\u5f39\u7a97<\/h3>\n<p><span class=\"token keyword\">class<\/span> <span class=\"token class-name\">PopupManager<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">ObservableObject<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Published<\/span> <span class=\"token keyword\">var<\/span> currentPopup<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">PopupType<\/span><span class=\"token operator\">?<\/span><\/p>\n<p>    <span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">PopupType<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> login<br \/>\n        <span class=\"token keyword\">case<\/span> settings<br \/>\n        <span class=\"token function\">custom<\/span><span class=\"token punctuation\">(<\/span>title<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">func<\/span> <span class=\"token function-definition function\">show<\/span><span class=\"token punctuation\">(<\/span><span class=\"token omit keyword\">_<\/span> popup<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">PopupType<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        currentPopup <span class=\"token operator\">&#061;<\/span> popup<br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">func<\/span> <span class=\"token function-definition function\">dismiss<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        currentPopup <span class=\"token operator\">&#061;<\/span> <span class=\"token nil constant\">nil<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">RootView<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;StateObject<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> popupManager <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">PopupManager<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ContentView<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">environmentObject<\/span><span class=\"token punctuation\">(<\/span>popupManager<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">overlay<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                <span class=\"token class-name\">Group<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token keyword\">switch<\/span> popupManager<span class=\"token punctuation\">.<\/span>currentPopup <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span>login<span class=\"token punctuation\">:<\/span><br \/>\n                        <span class=\"token class-name\">LoginPopup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span>settings<span class=\"token punctuation\">:<\/span><br \/>\n                        <span class=\"token class-name\">SettingsPopup<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">custom<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> title<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">let<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                        <span class=\"token class-name\">CustomMessagePopup<\/span><span class=\"token punctuation\">(<\/span>title<span class=\"token punctuation\">:<\/span> title<span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">:<\/span> message<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token keyword\">case<\/span> <span class=\"token nil constant\">nil<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                        <span class=\"token class-name\">EmptyView<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">LoginPopup<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;EnvironmentObject<\/span> <span class=\"token keyword\">var<\/span> popupManager<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">PopupManager<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">CustomPopup<\/span><span class=\"token punctuation\">(<\/span>isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">constant<\/span><span class=\"token punctuation\">(<\/span><span class=\"token boolean\">true<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">VStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u767b\u5f55&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">font<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u767b\u5f55\u8868\u5355&#8230;<\/span><\/p>\n<p>                <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u5173\u95ed&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    popupManager<span class=\"token punctuation\">.<\/span><span class=\"token function\">dismiss<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2. \u5f39\u7a97\u8def\u7531\u7cfb\u7edf<\/h3>\n<p><span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">PopupRoute<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Hashable<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> <span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span>title<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">,<\/span> message<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">String<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> <span class=\"token function\">sheet<\/span><span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">AnyView<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> <span class=\"token function\">fullScreenCover<\/span><span class=\"token punctuation\">(<\/span>content<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">AnyView<\/span><span class=\"token punctuation\">)<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">PopupRouterView<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> popupRoutes<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token class-name\">PopupRoute<\/span><span class=\"token punctuation\">]<\/span> <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">[<\/span><span class=\"token punctuation\">]<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ContentView<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">popupRouter<\/span><span class=\"token punctuation\">(<\/span>routes<span class=\"token punctuation\">:<\/span> $popupRoutes<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">extension<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">func<\/span> <span class=\"token function-definition function\">popupRouter<\/span><span class=\"token punctuation\">(<\/span>routes<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Binding<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token punctuation\">[<\/span><span class=\"token class-name\">PopupRoute<\/span><span class=\"token punctuation\">]<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">self<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">overlay<\/span><span class=\"token punctuation\">(<\/span><br \/>\n            <span class=\"token class-name\">ZStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">ForEach<\/span><span class=\"token punctuation\">(<\/span>routes<span class=\"token punctuation\">.<\/span>wrappedValue<span class=\"token punctuation\">,<\/span> id<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">\\\\<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">self<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> route <span class=\"token keyword\">in<\/span><br \/>\n                    <span class=\"token keyword\">switch<\/span> route <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">alert<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> title<span class=\"token punctuation\">,<\/span> <span class=\"token keyword\">let<\/span> message<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                        <span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>black<span class=\"token punctuation\">.<\/span><span class=\"token function\">opacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.4<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">edgesIgnoringSafeArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>all<span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span>onTapGesture <span class=\"token punctuation\">{<\/span><br \/>\n                                routes<span class=\"token punctuation\">.<\/span>wrappedValue<span class=\"token punctuation\">.<\/span>removeAll <span class=\"token punctuation\">{<\/span> <span class=\"token short-argument\">$0<\/span> <span class=\"token operator\">&#061;&#061;<\/span> route <span class=\"token punctuation\">}<\/span><br \/>\n                            <span class=\"token punctuation\">}<\/span><\/p>\n<p>                        <span class=\"token class-name\">VStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                            <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span>title<span class=\"token punctuation\">)<\/span><br \/>\n                                <span class=\"token punctuation\">.<\/span><span class=\"token function\">font<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>headline<span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span>message<span class=\"token punctuation\">)<\/span><br \/>\n                                <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u786e\u5b9a&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                                routes<span class=\"token punctuation\">.<\/span>wrappedValue<span class=\"token punctuation\">.<\/span>removeAll <span class=\"token punctuation\">{<\/span> <span class=\"token short-argument\">$0<\/span> <span class=\"token operator\">&#061;&#061;<\/span> route <span class=\"token punctuation\">}<\/span><br \/>\n                            <span class=\"token punctuation\">}<\/span><br \/>\n                        <span class=\"token punctuation\">}<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">background<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">cornerRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                    <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">sheet<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                        content<br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">frame<\/span><span class=\"token punctuation\">(<\/span>maxWidth<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>infinity<span class=\"token punctuation\">,<\/span> maxHeight<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>infinity<span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">background<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">cornerRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">shadow<\/span><span class=\"token punctuation\">(<\/span>radius<span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">transition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">move<\/span><span class=\"token punctuation\">(<\/span>edge<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>bottom<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                    <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">fullScreenCover<\/span><span class=\"token punctuation\">(<\/span><span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">:<\/span><br \/>\n                        content<br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">frame<\/span><span class=\"token punctuation\">(<\/span>maxWidth<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>infinity<span class=\"token punctuation\">,<\/span> maxHeight<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>infinity<span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">background<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">edgesIgnoringSafeArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>all<span class=\"token punctuation\">)<\/span><br \/>\n                            <span class=\"token punctuation\">.<\/span><span class=\"token function\">transition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">animation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">default<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> routes<span class=\"token punctuation\">.<\/span>wrappedValue<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u56db\u3001\u52a8\u753b\u4e0e\u8fc7\u6e21\u6548\u679c<\/h2>\n<h3>1. \u81ea\u5b9a\u4e49\u5f39\u7a97\u52a8\u753b<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">AnimatedPopup<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Content<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ZStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> isPresented <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u80cc\u666f<\/span><br \/>\n                <span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>black<span class=\"token punctuation\">.<\/span><span class=\"token function\">opacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.4<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">edgesIgnoringSafeArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>all<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span>onTapGesture <span class=\"token punctuation\">{<\/span><br \/>\n                        withAnimation <span class=\"token punctuation\">{<\/span><br \/>\n                            isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                        <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">transition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token comment\">\/\/ \u5f39\u7a97\u5185\u5bb9<\/span><br \/>\n                <span class=\"token function\">content<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">background<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">cornerRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">shadow<\/span><span class=\"token punctuation\">(<\/span>radius<span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">transition<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">asymmetric<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                            insertion<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">scale<\/span><span class=\"token punctuation\">(<\/span>scale<span class=\"token punctuation\">:<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">combined<\/span><span class=\"token punctuation\">(<\/span>with<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span><br \/>\n                            removal<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">scale<\/span><span class=\"token punctuation\">(<\/span>scale<span class=\"token punctuation\">:<\/span> <span class=\"token number\">0.9<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">combined<\/span><span class=\"token punctuation\">(<\/span>with<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">zIndex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">animation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">spring<\/span><span class=\"token punctuation\">(<\/span>response<span class=\"token punctuation\">:<\/span> <span class=\"token number\">0.4<\/span><span class=\"token punctuation\">,<\/span> dampingFraction<span class=\"token punctuation\">:<\/span> <span class=\"token number\">0.7<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> isPresented<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2. \u591a\u79cd\u5165\u573a\u52a8\u753b<\/h3>\n<p><span class=\"token keyword\">enum<\/span> <span class=\"token class-name\">PopupAnimationStyle<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">case<\/span> scale<br \/>\n    <span class=\"token keyword\">case<\/span> slide<br \/>\n    <span class=\"token keyword\">case<\/span> fade<br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">AnimatedPopup<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> animationStyle<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">PopupAnimationStyle<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Content<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> insertionTransition<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">AnyTransition<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">switch<\/span> animationStyle <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span>scale<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">.<\/span>scale<span class=\"token punctuation\">.<\/span><span class=\"token function\">combined<\/span><span class=\"token punctuation\">(<\/span>with<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span>slide<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">move<\/span><span class=\"token punctuation\">(<\/span>edge<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>bottom<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span>fade<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">.<\/span>opacity<br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> removalTransition<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">AnyTransition<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">switch<\/span> animationStyle <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span>scale<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">scale<\/span><span class=\"token punctuation\">(<\/span>scale<span class=\"token punctuation\">:<\/span> <span class=\"token number\">0.8<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">combined<\/span><span class=\"token punctuation\">(<\/span>with<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span>slide<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">move<\/span><span class=\"token punctuation\">(<\/span>edge<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>bottom<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token keyword\">case<\/span> <span class=\"token punctuation\">.<\/span>fade<span class=\"token punctuation\">:<\/span><br \/>\n            <span class=\"token keyword\">return<\/span> <span class=\"token punctuation\">.<\/span>opacity<br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ZStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> isPresented <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>black<span class=\"token punctuation\">.<\/span><span class=\"token function\">opacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.4<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">edgesIgnoringSafeArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>all<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">transition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token function\">content<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">transition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">asymmetric<\/span><span class=\"token punctuation\">(<\/span><br \/>\n                        insertion<span class=\"token punctuation\">:<\/span> insertionTransition<span class=\"token punctuation\">,<\/span><br \/>\n                        removal<span class=\"token punctuation\">:<\/span> removalTransition<br \/>\n                    <span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">zIndex<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">1<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">animation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">spring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> isPresented<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e94\u3001\u5b9e\u9645\u5e94\u7528\u573a\u666f<\/h2>\n<h3>1. \u767b\u5f55\u5f39\u7a97<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">LoginPopup<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> username <span class=\"token operator\">&#061;<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#034;&#034;<\/span><\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> password <span class=\"token operator\">&#061;<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#034;&#034;<\/span><\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">VStack<\/span><span class=\"token punctuation\">(<\/span>spacing<span class=\"token punctuation\">:<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u767b\u5f55\u8d26\u53f7&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">font<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token class-name\">TextField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u7528\u6237\u540d&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> text<span class=\"token punctuation\">:<\/span> $username<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">textFieldStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>roundedBorder<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>horizontal<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token class-name\">SecureField<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u5bc6\u7801&#034;<\/span><\/span><span class=\"token punctuation\">,<\/span> text<span class=\"token punctuation\">:<\/span> $password<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">textFieldStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>roundedBorder<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>horizontal<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token class-name\">HStack<\/span><span class=\"token punctuation\">(<\/span>spacing<span class=\"token punctuation\">:<\/span> <span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u53d6\u6d88&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">frame<\/span><span class=\"token punctuation\">(<\/span>maxWidth<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>infinity<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">buttonStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>bordered<span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u767b\u5f55&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token comment\">\/\/ \u767b\u5f55\u903b\u8f91<\/span><br \/>\n                    isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">frame<\/span><span class=\"token punctuation\">(<\/span>maxWidth<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>infinity<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">buttonStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>borderedProminent<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">disabled<\/span><span class=\"token punctuation\">(<\/span>username<span class=\"token punctuation\">.<\/span>isEmpty <span class=\"token operator\">||<\/span> password<span class=\"token punctuation\">.<\/span>isEmpty<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">background<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">cornerRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">shadow<\/span><span class=\"token punctuation\">(<\/span>radius<span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2. \u5546\u54c1\u8be6\u60c5\u5f39\u7a97<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">ProductDetailPopup<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> product<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Product<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">VStack<\/span><span class=\"token punctuation\">(<\/span>alignment<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>leading<span class=\"token punctuation\">,<\/span> spacing<span class=\"token punctuation\">:<\/span> <span class=\"token number\">15<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u5173\u95ed\u6309\u94ae<\/span><br \/>\n            <span class=\"token class-name\">HStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Spacer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span>action<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token class-name\">Image<\/span><span class=\"token punctuation\">(<\/span>systemName<span class=\"token punctuation\">:<\/span> <span class=\"token string-literal\"><span class=\"token string\">&#034;xmark.circle.fill&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">font<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>title<span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">foregroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>gray<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5546\u54c1\u56fe\u7247<\/span><br \/>\n            <span class=\"token class-name\">AsyncImage<\/span><span class=\"token punctuation\">(<\/span>url<span class=\"token punctuation\">:<\/span> product<span class=\"token punctuation\">.<\/span>imageURL<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> image <span class=\"token keyword\">in<\/span><br \/>\n                image<span class=\"token punctuation\">.<\/span><span class=\"token function\">resizable<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span> placeholder<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">ProgressView<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">aspectRatio<\/span><span class=\"token punctuation\">(<\/span>contentMode<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>fit<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">frame<\/span><span class=\"token punctuation\">(<\/span>height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">200<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">cornerRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u5546\u54c1\u4fe1\u606f<\/span><br \/>\n            <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span>product<span class=\"token punctuation\">.<\/span>name<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">font<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>title2<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontWeight<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>bold<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span>product<span class=\"token punctuation\">.<\/span>description<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">font<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>body<span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">.<\/span><span class=\"token function\">foregroundColor<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>secondary<span class=\"token punctuation\">)<\/span><\/p>\n<p>            <span class=\"token class-name\">HStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Text<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u00a5$product.price, specifier: &#034;<\/span><\/span><span class=\"token operator\">%<\/span><span class=\"token punctuation\">.<\/span>2f<span class=\"token string-literal\"><span class=\"token string\">&#034;)&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">font<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>title3<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">fontWeight<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>semibold<span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token class-name\">Spacer<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><\/p>\n<p>                <span class=\"token class-name\">RatingView<\/span><span class=\"token punctuation\">(<\/span>rating<span class=\"token punctuation\">:<\/span> product<span class=\"token punctuation\">.<\/span>rating<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><\/p>\n<p>            <span class=\"token comment\">\/\/ \u64cd\u4f5c\u6309\u94ae<\/span><br \/>\n            <span class=\"token class-name\">Button<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;\u52a0\u5165\u8d2d\u7269\u8f66&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token comment\">\/\/ \u6dfb\u52a0\u5230\u8d2d\u7269\u8f66\u903b\u8f91<\/span><br \/>\n                isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">buttonStyle<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>borderedProminent<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">frame<\/span><span class=\"token punctuation\">(<\/span>maxWidth<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>infinity<span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>top<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">background<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>white<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">cornerRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">12<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">shadow<\/span><span class=\"token punctuation\">(<\/span>radius<span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">20<\/span><span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u516d\u3001\u6700\u4f73\u5b9e\u8df5\u4e0e\u6027\u80fd\u4f18\u5316<\/h2>\n<h3>1. \u5f39\u7a97\u751f\u547d\u5468\u671f\u7ba1\u7406<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">SmartPopup<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Content<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u63a7\u5236\u5185\u5bb9\u521b\u5efa\u65f6\u673a<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;State<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> shouldCreateContent <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">ZStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> isPresented <span class=\"token operator\">||<\/span> shouldCreateContent <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">.<\/span>black<span class=\"token punctuation\">.<\/span><span class=\"token function\">opacity<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">0.4<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">edgesIgnoringSafeArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>all<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span>onTapGesture <span class=\"token punctuation\">{<\/span><br \/>\n                        isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span>onAppear <span class=\"token punctuation\">{<\/span><br \/>\n                        shouldCreateContent <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span>onDisappear <span class=\"token punctuation\">{<\/span><br \/>\n                        <span class=\"token comment\">\/\/ \u5ef6\u8fdf\u9500\u6bc1\u4ee5\u5b8c\u6210\u52a8\u753b<\/span><br \/>\n                        <span class=\"token class-name\">DispatchQueue<\/span><span class=\"token punctuation\">.<\/span>main<span class=\"token punctuation\">.<\/span><span class=\"token function\">asyncAfter<\/span><span class=\"token punctuation\">(<\/span>deadline<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span><span class=\"token function\">now<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">&#043;<\/span> <span class=\"token number\">0.5<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n                            shouldCreateContent <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                        <span class=\"token punctuation\">}<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token keyword\">if<\/span> shouldCreateContent <span class=\"token punctuation\">{<\/span><br \/>\n                    <span class=\"token function\">content<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                        <span class=\"token punctuation\">.<\/span><span class=\"token function\">transition<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>scale<span class=\"token punctuation\">.<\/span><span class=\"token function\">combined<\/span><span class=\"token punctuation\">(<\/span>with<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>opacity<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                <span class=\"token punctuation\">}<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">animation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">spring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> isPresented<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">animation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token function\">spring<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> shouldCreateContent<span class=\"token punctuation\">)<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h3>2. \u5f39\u7a97\u72b6\u6001\u6301\u4e45\u5316<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">PersistentPopup<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Content<\/span><\/p>\n<p>    <span class=\"token comment\">\/\/ \u4f7f\u7528SceneStorage\u4fdd\u5b58\u72b6\u6001<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;SceneStorage<\/span><span class=\"token punctuation\">(<\/span><span class=\"token string-literal\"><span class=\"token string\">&#034;persistentPopupState&#034;<\/span><\/span><span class=\"token punctuation\">)<\/span> <span class=\"token keyword\">private<\/span> <span class=\"token keyword\">var<\/span> persistentState <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token class-name\">SmartPopup<\/span><span class=\"token punctuation\">(<\/span>isPresented<span class=\"token punctuation\">:<\/span> $isPresented<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">content<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">onChange<\/span><span class=\"token punctuation\">(<\/span>of<span class=\"token punctuation\">:<\/span> isPresented<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span> newValue <span class=\"token keyword\">in<\/span><br \/>\n            persistentState <span class=\"token operator\">&#061;<\/span> newValue<br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span>onAppear <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token comment\">\/\/ \u6062\u590d\u4e0a\u6b21\u72b6\u6001<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> persistentState <span class=\"token punctuation\">{<\/span><br \/>\n                isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">true<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<h2>\u4e03\u3001\u8de8\u5e73\u53f0\u9002\u914d<\/h2>\n<h3>1. macOS \u9002\u914d<\/h3>\n<p><span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">CrossPlatformPopup<\/span><span class=\"token operator\">&lt;<\/span><span class=\"token class-name\">Content<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span><span class=\"token operator\">&gt;<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token attribute atrule\">&#064;Binding<\/span> <span class=\"token keyword\">var<\/span> isPresented<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Bool<\/span><br \/>\n    <span class=\"token keyword\">let<\/span> content<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">Content<\/span><\/p>\n<p>    <span class=\"token keyword\">var<\/span> body<span class=\"token punctuation\">:<\/span> <span class=\"token keyword\">some<\/span> <span class=\"token class-name\">View<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token directive property\"><span class=\"token directive-name\">#if<\/span> os<span class=\"token punctuation\">(<\/span>iOS<span class=\"token punctuation\">)<\/span><\/span><br \/>\n        <span class=\"token class-name\">SmartPopup<\/span><span class=\"token punctuation\">(<\/span>isPresented<span class=\"token punctuation\">:<\/span> $isPresented<span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token function\">content<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token directive property\"><span class=\"token directive-name\">#elseif<\/span> os<span class=\"token punctuation\">(<\/span>macOS<span class=\"token punctuation\">)<\/span><\/span><br \/>\n        <span class=\"token comment\">\/\/ macOS \u7279\u5b9a\u5b9e\u73b0<\/span><br \/>\n        <span class=\"token class-name\">ZStack<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n            <span class=\"token keyword\">if<\/span> isPresented <span class=\"token punctuation\">{<\/span><br \/>\n                <span class=\"token class-name\">VisualEffectView<\/span><span class=\"token punctuation\">(<\/span>material<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>hudWindow<span class=\"token punctuation\">,<\/span> blendingMode<span class=\"token punctuation\">:<\/span> <span class=\"token punctuation\">.<\/span>withinWindow<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">edgesIgnoringSafeArea<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>all<span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span>onTapGesture <span class=\"token punctuation\">{<\/span><br \/>\n                        isPresented <span class=\"token operator\">&#061;<\/span> <span class=\"token boolean\">false<\/span><br \/>\n                    <span class=\"token punctuation\">}<\/span><\/p>\n<p>                <span class=\"token function\">content<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">frame<\/span><span class=\"token punctuation\">(<\/span>width<span class=\"token punctuation\">:<\/span> <span class=\"token number\">400<\/span><span class=\"token punctuation\">,<\/span> height<span class=\"token punctuation\">:<\/span> <span class=\"token number\">300<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">background<\/span><span class=\"token punctuation\">(<\/span><span class=\"token class-name\">Color<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span>windowBackgroundColor<span class=\"token punctuation\">)<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">cornerRadius<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">8<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">shadow<\/span><span class=\"token punctuation\">(<\/span>radius<span class=\"token punctuation\">:<\/span> <span class=\"token number\">10<\/span><span class=\"token punctuation\">)<\/span><br \/>\n                    <span class=\"token punctuation\">.<\/span><span class=\"token function\">padding<\/span><span class=\"token punctuation\">(<\/span><span class=\"token number\">40<\/span><span class=\"token punctuation\">)<\/span><br \/>\n            <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">}<\/span><br \/>\n        <span class=\"token punctuation\">.<\/span><span class=\"token function\">animation<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">.<\/span><span class=\"token keyword\">default<\/span><span class=\"token punctuation\">,<\/span> value<span class=\"token punctuation\">:<\/span> isPresented<span class=\"token punctuation\">)<\/span><br \/>\n        <span class=\"token directive property\"><span class=\"token directive-name\">#endif<\/span><\/span><br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><\/p>\n<p><span class=\"token directive property\"><span class=\"token directive-name\">#if<\/span> os<span class=\"token punctuation\">(<\/span>macOS<span class=\"token punctuation\">)<\/span><\/span><br \/>\n<span class=\"token keyword\">struct<\/span> <span class=\"token class-name\">VisualEffectView<\/span><span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">NSViewRepresentable<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n    <span class=\"token keyword\">var<\/span> material<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">NSVisualEffectView<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">Material<\/span><br \/>\n    <span class=\"token keyword\">var<\/span> blendingMode<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">NSVisualEffectView<\/span><span class=\"token punctuation\">.<\/span><span class=\"token class-name\">BlendingMode<\/span><\/p>\n<p>    <span class=\"token keyword\">func<\/span> <span class=\"token function-definition function\">makeNSView<\/span><span class=\"token punctuation\">(<\/span>context<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Context<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token operator\">-&gt;<\/span> <span class=\"token class-name\">NSVisualEffectView<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        <span class=\"token keyword\">let<\/span> view <span class=\"token operator\">&#061;<\/span> <span class=\"token class-name\">NSVisualEffectView<\/span><span class=\"token punctuation\">(<\/span><span class=\"token punctuation\">)<\/span><br \/>\n        view<span class=\"token punctuation\">.<\/span>material <span class=\"token operator\">&#061;<\/span> material<br \/>\n        view<span class=\"token punctuation\">.<\/span>blendingMode <span class=\"token operator\">&#061;<\/span> blendingMode<br \/>\n        view<span class=\"token punctuation\">.<\/span>state <span class=\"token operator\">&#061;<\/span> <span class=\"token punctuation\">.<\/span>active<br \/>\n        <span class=\"token keyword\">return<\/span> view<br \/>\n    <span class=\"token punctuation\">}<\/span><\/p>\n<p>    <span class=\"token keyword\">func<\/span> <span class=\"token function-definition function\">updateNSView<\/span><span class=\"token punctuation\">(<\/span><span class=\"token omit keyword\">_<\/span> nsView<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">NSVisualEffectView<\/span><span class=\"token punctuation\">,<\/span> context<span class=\"token punctuation\">:<\/span> <span class=\"token class-name\">Context<\/span><span class=\"token punctuation\">)<\/span> <span class=\"token punctuation\">{<\/span><br \/>\n        nsView<span class=\"token punctuation\">.<\/span>material <span class=\"token operator\">&#061;<\/span> material<br \/>\n        nsView<span class=\"token punctuation\">.<\/span>blendingMode <span class=\"token operator\">&#061;<\/span> blendingMode<br \/>\n    <span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token punctuation\">}<\/span><br \/>\n<span class=\"token directive property\"><span class=\"token directive-name\">#endif<\/span><\/span><\/p>\n<h2>\u603b\u7ed3&#xff1a;SwiftUI 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