{"id":7694,"date":"2025-06-02T15:25:51","date_gmt":"2025-06-05T07:25:51","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7694"},"modified":"2025-06-05T15:25:51","modified_gmt":"2025-06-05T07:25:51","slug":"https-badgameshow-com-steven-490","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-490\/","title":{"rendered":"\u5728 SwiftUI \u4e2d\u4f7f\u7528 Button \u548c Alert\uff1a2025 \u6700\u65b0\u6559\u5b78\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, SwiftUI, Button, Alert, 2025\u6700\u65b0\u6559\u5b78, iOS\u958b\u767c\"><\/p>\n<h2>\u5f15\u8a00<\/h2>\n<p>\u5728 SwiftUI \u4e2d\u4f7f\u7528 <strong>Button<\/strong> \u548c <strong>Alert<\/strong> \u662f\u4e00\u500b\u975e\u5e38\u5e38\u898b\u4e14\u91cd\u8981\u7684\u4efb\u52d9\u3002\u9019\u4e0d\u50c5\u80fd\u8b93\u4f60\u5728\u61c9\u7528\u7a0b\u5f0f\u4e2d\u6dfb\u52a0\u4e92\u52d5\u6027\uff0c\u9084\u80fd\u63d0\u5347\u7528\u6236\u9ad4\u9a57\u3002\u672c\u6587\u5c07\u70ba\u4f60\u63d0\u4f9b\u6700\u5b8c\u6574\u76842025\u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10\uff0c\u5e6b\u52a9\u4f60\u8f15\u9b06\u5730\u5c07\u9019\u4e9b\u5143\u4ef6\u6574\u5408\u5230\u4f60\u7684\u61c9\u7528\u4e2d\u3002<\/p>\n<h2>\u5b9a\u7fa9\u6309\u9215 (Button)<\/h2>\n<p>\u70ba\u4e86\u5728\u4f60\u7684\u61c9\u7528\u4e2d\u986f\u793a\u4e00\u500b\u6309\u9215\uff0c\u4f60\u9700\u8981\u4f7f\u7528 <code>Button<\/code> \u985e\u5225\u3002\u9019\u500b\u6309\u9215\u5c07\u63a5\u53d7\u4e00\u500b\u6a19\u984c\u548c\u4e00\u500b\u52d5\u4f5c\u9589\u5305\uff0c\u7576\u7528\u6236\u9ede\u64ca\u6309\u9215\u6642\u5c31\u6703\u57f7\u884c\u9019\u500b\u52d5\u4f5c\u3002\u4ee5\u4e0b\u662f\u5982\u4f55\u5b9a\u7fa9\u4e00\u500b\u7c21\u55ae\u7684\u6309\u9215\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">Button(action: {\n    \/\/ \u5728\u9019\u88e1\u57f7\u884c\u6309\u9215\u6309\u4e0b\u6642\u8981\u57f7\u884c\u7684\u52d5\u4f5c\n}) {\n    Text(\"\u6309\u9215\u6a19\u984c\")\n}\n<\/code><\/pre>\n<h2>\u5b9a\u7fa9\u8b66\u544a (Alert)<\/h2>\n<p>\u7576\u7528\u6236\u6309\u4e0b\u6309\u9215\u6642\uff0c\u4f60\u53ef\u80fd\u60f3\u8981\u986f\u793a\u4e00\u500b\u8b66\u544a\u4f86\u78ba\u8a8d\u4ed6\u5011\u7684\u64cd\u4f5c\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>Alert<\/code> \u985e\u5225\u4f86\u5b9a\u7fa9\u9019\u500b\u8b66\u544a\u3002\u4e0b\u9762\u662f\u4e00\u500b\u7c21\u55ae\u7684\u8b66\u544a\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">Alert(title: Text(\"\u8b66\u544a\u6a19\u984c\"), message: Text(\"\u8b66\u544a\u8a0a\u606f\"), primaryButton: .default(Text(\"\u78ba\u5b9a\")), secondaryButton: .cancel())\n<\/code><\/pre>\n<h2>\u7d50\u5408 Button \u548c Alert<\/h2>\n<p>\u63a5\u4e0b\u4f86\uff0c\u6211\u5011\u9700\u8981\u5c07 Button \u548c Alert \u7d50\u5408\u8d77\u4f86\uff0c\u8b93\u6309\u9215\u6309\u4e0b\u6642\u986f\u793a\u8b66\u544a\u3002\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>.alert<\/code> \u4fee\u98fe\u7b26\u4f86\u9054\u6210\u9019\u4e00\u9ede\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">@State private var showingAlert = false\n\nButton(action: {\n    \/\/ \u7576\u6309\u9215\u88ab\u9ede\u64ca\uff0c\u986f\u793a\u8b66\u544a\n    showingAlert = true\n}) {\n    Text(\"\u6309\u9215\u6a19\u984c\")\n}\n.alert(isPresented: $showingAlert) {\n    Alert(title: Text(\"\u8b66\u544a\u6a19\u984c\"), message: Text(\"\u8b66\u544a\u8a0a\u606f\"), primaryButton: .default(Text(\"\u78ba\u5b9a\")), secondaryButton: .cancel())\n}\n<\/code><\/pre>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5982\u679c\u60a8\u5728\u986f\u793a\u8b66\u544a\u6642\u9047\u5230\u554f\u984c\uff0c\u8acb\u6aa2\u67e5\u4ee5\u4e0b\u5e7e\u9ede\uff1a<\/p>\n<ul>\n<li>\u78ba\u4fdd <code>showingAlert<\/code> \u5c6c\u6027\u5df2\u6b63\u78ba\u5b9a\u7fa9\u70ba @State\u3002<\/li>\n<li>\u6aa2\u67e5\u662f\u5426\u5728\u4e3b\u7dda\u7a0b\u4e2d\u57f7\u884c UI \u66f4\u65b0\u3002<\/li>\n<li>\u78ba\u8a8d\u8b66\u544a\u7684\u6a19\u984c\u548c\u8a0a\u606f\u4e0d\u70ba\u7a7a\u3002<\/li>\n<\/ul>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u5728\u5be6\u969b\u958b\u767c\u4e2d\uff0c\u4f60\u53ef\u4ee5\u6839\u64da\u9700\u6c42\u64f4\u5c55\u8b66\u544a\u7684\u529f\u80fd\u3002\u4f8b\u5982\uff0c\u53ef\u4ee5\u6839\u64da\u7528\u6236\u7684\u9078\u64c7\u57f7\u884c\u4e0d\u540c\u7684\u52d5\u4f5c\uff0c\u6216\u662f\u6dfb\u52a0\u66f4\u591a\u7684\u6309\u9215\u9078\u9805\u4f86\u8655\u7406\u4e0d\u540c\u60c5\u6cc1\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>\u5728 SwiftUI \u4e2d\u4f7f\u7528 Button \u548c Alert \u662f\u4e00\u500b\u7c21\u55ae\u7684\u4efb\u52d9\uff0c\u900f\u904e\u4e0a\u8ff0\u6b65\u9a5f\uff0c\u4f60\u53ef\u4ee5\u8f15\u9b06\u5730\u5c07\u9019\u4e9b\u5143\u4ef6\u6574\u5408\u5230\u4f60\u7684\u61c9\u7528\u4e2d\uff0c\u63d0\u5347\u7528\u6236\u7684\u4e92\u52d5\u9ad4\u9a57\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/\u5728-SwiftUI-\u4e2d\u4f7f\u7528-Button-\u548c-Alert_1676960294.579128.webp\" alt=\"\u5728 SwiftUI \u4e2d\u4f7f\u7528 Button \u548c Alert\" title=\"SwiftUI\u3001Button\u3001Alert\u3001\u4f7f\u7528\u8005\u4ecb\u9762\u3001App \u6d41\u7a0b\" width=\"1200\" height=\"628\"\/><\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>1. \u5982\u4f55\u5728 SwiftUI \u4e2d\u4f7f\u7528 Button \u7684\u81ea\u8a02\u6a23\u5f0f\uff1f<\/h3>\n<p>\u4f60\u53ef\u4ee5\u4f7f\u7528 <code>buttonStyle()<\/code> \u4fee\u98fe\u7b26\u4f86\u61c9\u7528\u81ea\u8a02\u6a23\u5f0f\uff0c\u4f8b\u5982\uff1a<code>Button(\"\u81ea\u8a02\u6309\u9215\") .buttonStyle(MyCustomButtonStyle())<\/code>.<\/p>\n<h3>2. \u70ba\u4ec0\u9ebc\u6211\u7684 Alert \u7121\u6cd5\u986f\u793a\uff1f<\/h3>\n<p>\u78ba\u8a8d <code>showingAlert<\/code> \u7684\u72c0\u614b\u662f\u5426\u6b63\u78ba\u66f4\u65b0\uff0c\u4e26\u4e14\u5728\u4e3b\u7dda\u7a0b\u4e2d\u57f7\u884c\u3002<\/p>\n<h3>3. \u53ef\u4ee5\u5728 Alert \u4e2d\u4f7f\u7528\u5716\u7247\u55ce\uff1f<\/h3>\n<p>\u76ee\u524d SwiftUI \u7684 Alert \u4e26\u4e0d\u652f\u6301\u5167\u5d4c\u5716\u7247\uff0c\u5efa\u8b70\u4f7f\u7528\u81ea\u8a02\u7684\u8996\u5716\u4f86\u986f\u793a\u66f4\u8907\u96dc\u7684\u5167\u5bb9\u3002<\/p>\n<p>&#8220;`<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u5728SwiftUI\u4e2d\u4f7f\u7528Button\u548cAlert\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u5efa\u7acb\u4f7f\u7528\u8005\u4ecb\u9762\uff0c\u4e26\u66f4\u6709\u6548\u5730\u63a7\u5236App\u7684\u6d41\u7a0b\u3002<\/p>\n","protected":false},"author":1,"featured_media":7693,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[174,5],"tags":[173,9],"class_list":["post-7694","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ios","category-swift","tag-ios","tag-swift"],"jetpack_publicize_connections":[],"jetpack_featured_media_url":"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/\u5728-SwiftUI-\u4e2d\u4f7f\u7528-Button-\u548c-Alert_1676960294.579128.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-206","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7694","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/comments?post=7694"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7694\/revisions"}],"predecessor-version":[{"id":13364,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7694\/revisions\/13364"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/7693"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=7694"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=7694"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=7694"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}