{"id":208,"date":"2022-08-31T23:14:10","date_gmt":"2022-08-31T15:14:10","guid":{"rendered":"https:\/\/www.jinhaihan.top\/WordPress\/?p=208"},"modified":"2022-08-31T23:14:13","modified_gmt":"2022-08-31T15:14:13","slug":"swiftui-%e5%ba%94%e7%94%a8%e5%86%85%e4%ba%8b%e4%bb%b6%e9%80%9a%e7%9f%a5-notificationcenter","status":"publish","type":"post","link":"https:\/\/www.jinhaihan.top\/WordPress\/swiftui-%e5%ba%94%e7%94%a8%e5%86%85%e4%ba%8b%e4%bb%b6%e9%80%9a%e7%9f%a5-notificationcenter\/","title":{"rendered":"SwiftUI-\u5e94\u7528\u5185\u4e8b\u4ef6\u901a\u77e5 &#8211; NotificationCenter"},"content":{"rendered":"\n<p><\/p>\n\n\n\n<div class=\"wp-block-jetpack-markdown\"><h1>\u5f00\u53d1\u73af\u5883<\/h1>\n<p>XCode 14 Beta\nMacos 13\nMac os App SwiftUI<\/p>\n<h1>\u4f7f\u7528\u65b9\u6cd5<\/h1>\n<ol>\n<li>\u5b9a\u4e49\u4e8b\u4ef6\u540d\u79f0\uff0c\u5e76\u5148\u6ce8\u518c\u4e00\u4e0b<\/li>\n<\/ol>\n<pre><code class=\"language-swift\">\/\/\u5b9a\u4e49\u4e8b\u4ef6\u540d\u79f0\uff0c\u540e\u9762\u4ee5\u5176\u4e3a\u6807\u5fd7\u63a5\u6536\u901a\u77e5\nstatic let SHOW_ALERT = &quot;ShowAlert&quot;\n\n\/\/OperationQueue.main\u4e3a\u4e3b\u7ebf\u7a0b\uff0c\u6536\u5230\u901a\u77e5\u4e4b\u540e\u4f1a\u5728\u4e3b\u7ebf\u7a0b\u89e6\u53d1\uff0cnotification\u5c31\u662f\u81ea\u5df1\u6536\u5230\u7684object\nNotificationCenter.default.addObserver(forName: NSNotification.Name(NotificationEvent.SHOW_ALERT), object: nil,\n                                        queue: OperationQueue.main) {[self] notificationObj in\n    \/\/do something\n}\n<\/code><\/pre>\n<ol start=\"2\">\n<li>\u53d1\u9001\u901a\u77e5\u4e8b\u4ef6\uff0c\u8fd9\u4e2a\u7b80\u5355\u4e0d\u7528\u591a\u8bf4<\/li>\n<\/ol>\n<pre><code class=\"language-swift\">NotificationCenter.default.post(name: NSNotification.Name(NotificationEvent.SHOW_ALERT), object: notificationObj)\n<\/code><\/pre>\n<h1>\u4e00\u4e9b\u6ce8\u610f\u4e8b\u9879<\/h1>\n<p>\u5728SwiftUI\u4e2d\uff0c\u9ed8\u8ba4\u4f7f\u7528struct\u4f5c\u4e3a\u4e3bUI\u5bf9\u8c61\uff0cUI\u5bf9\u8c61\u7684Init\u4f1a\u88ab\u591a\u6b21\u8c03\u7528\uff0c\u6240\u4ee5\u5c3d\u91cf\u4e0d\u8981\u5728Init\u4e2d\u6ce8\u518c\u901a\u77e5\uff0c\u4e0d\u7136\u4f1a\u53d1\u751f\u6536\u5230\u591a\u6b21\u901a\u77e5\u7684\u60c5\u51b5\uff0c\u5185\u5b58\u6cc4\u6f0f\u4ec0\u4e48\u7684\u3002<\/p>\n<p>\u4e00\u79cd\u89e3\u51b3\u65b9\u6cd5\u662f\u5728Ui\u663e\u793a\u65f6\u8ba2\u9605\u901a\u77e5\uff0c\u5728UI\u6d88\u5931\u65f6\u53d6\u6d88\u8ba2\u9605\uff1a<\/p>\n<pre><code>\/\/\u5728UI\u58f0\u660e\u4e4b\u540e\u6dfb\u52a0\n.onAppear(){\n    NotificationCenter.default.removeObserver(self, name: NSNotification.Name(NotificationEvent.SHOW_ALERT), object: nil)\n    NotificationCenter.default.addObserver(forName: NSNotification.Name(NotificationEvent.SHOW_ALERT), object: nil,\n                                            queue: OperationQueue.main) {[self] notification in\n        notificationAction(notification:notification)\n    }\n}\n.onDisappear(){\n    NotificationCenter.default.removeObserver(self)\n}\n<\/code><\/pre>\n<\/div>\n","protected":false},"excerpt":{"rendered":"","protected":false},"author":1,"featured_media":209,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":"","jetpack_publicize_message":"","jetpack_is_tweetstorm":false,"jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":false,"jetpack_social_options":{"image_generator_settings":{"template":"highway","enabled":false}}},"categories":[22,7],"tags":[],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/i0.wp.com\/www.jinhaihan.top\/WordPress\/wp-content\/uploads\/2022\/08\/pexels-photo-193003.jpeg?fit=1880%2C1253&ssl=1","jetpack-related-posts":[{"id":205,"url":"https:\/\/www.jinhaihan.top\/WordPress\/wpf%e4%b8%ad%e7%9a%84%e5%a4%9a%e8%af%ad%e8%a8%80%e6%94%af%e6%8c%81_%e5%8a%a8%e6%80%81%e5%88%87%e6%8d%a2%e8%af%ad%e8%a8%80\/","url_meta":{"origin":208,"position":0},"title":"wpf\u4e2d\u7684\u591a\u8bed\u8a00\u652f\u6301_\u52a8\u6001\u5207\u6362\u8bed\u8a00","author":"Kim","date":"2022\u5e748\u670831\u65e5","format":false,"excerpt":"\u4e3b\u6d41\u65b9\u6cd5\u53c2\u8003\u535a\u5ba2\uff1a(\u867d\u7136\u8001\u4e86\u70b9\u4f46\u662f\u6709\u7528) 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