{"id":7738,"date":"2025-06-01T13:58:06","date_gmt":"2025-06-05T06:44:05","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7738"},"modified":"2025-06-05T13:58:06","modified_gmt":"2025-06-05T06:44:05","slug":"https-badgameshow-com-steven-512","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-512\/","title":{"rendered":"SwiftUI \u5c0d\u8a71\u6846\u5168\u9762\u89e3\u6790\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"

<\/p>\n

SwiftUI \u5c0d\u8a71\u6846\u5168\u9762\u89e3\u6790\uff1a2025 \u6700\u65b0\u8a9e\u6cd5\u8207\u6700\u4f73\u5be6\u8e10<\/h1>\n

SwiftUI \u662f Apple \u5728 WWDC 2019 \u63a8\u51fa\u7684\u73fe\u4ee3\u5316\u6846\u67b6\uff0c\u4f7f\u958b\u767c\u8005\u80fd\u5920\u5feb\u901f\u958b\u767c\u539f\u751f\u7684 iOS\u3001macOS\u3001tvOS \u548c watchOS \u61c9\u7528\u7a0b\u5f0f\u3002\u5c0d\u8a71\u6846\u662f\u8207\u4f7f\u7528\u8005\u4e92\u52d5\u7684\u91cd\u8981\u5de5\u5177\uff0cSwiftUI \u63d0\u4f9b\u4e86\u591a\u7a2e\u5c0d\u8a71\u6846\u9078\u64c7\uff0c\u8b93\u958b\u767c\u8005\u80fd\u8f15\u9b06\u5be6\u73fe\u5404\u7a2e\u4e92\u52d5\u754c\u9762\u529f\u80fd\u3002<\/p>\n

\u5275\u5efa\u57fa\u672c\u5c0d\u8a71\u6846<\/h2>\n

\u5728 SwiftUI \u4e2d\uff0c\u4f7f\u7528 `Alert` \u4f86\u5275\u5efa\u57fa\u672c\u5c0d\u8a71\u6846\uff0c\u9019\u500b\u5c0d\u8a71\u6846\u53ef\u4ee5\u7528\u4f86\u986f\u793a\u91cd\u8981\u6d88\u606f\u3002\u4f8b\u5982\uff0c\u4ee5\u4e0b\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u5275\u5efa\u4e00\u500b\u7c21\u55ae\u7684\u5c0d\u8a71\u6846\uff1a<\/p>\n

let alert = Alert(\n    title: Text(\"Hello World\"),\n    message: Text(\"This is an alert!\"),\n    dismissButton: .default(Text(\"OK\"))\n)<\/code><\/pre>\n
`Alert` \u5c0d\u8a71\u6846\u63a5\u53d7\u4e09\u500b\u4e3b\u8981\u53c3\u6578\uff1a`title`\u3001`message` \u548c `dismissButton`\uff0c\u9019\u4e9b\u53c3\u6578\u5206\u5225\u7528\u65bc\u986f\u793a\u5c0d\u8a71\u6846\u7684\u6a19\u984c\u3001\u6d88\u606f\u4ee5\u53ca\u7528\u6236\u6309\u4e0b\u6309\u9215\u5f8c\u7684\u64cd\u4f5c\u3002<\/p>\n
\u4f7f\u7528\u52d5\u4f5c\u9078\u55ae\u5c0d\u8a71\u6846<\/h2>\n
\u9664\u4e86 `Alert`\uff0cSwiftUI \u4e5f\u63d0\u4f9b `ActionSheet` \u4f86\u986f\u793a\u53ef\u9078\u64c7\u7684\u6e05\u55ae\u3002\u4f8b\u5982\uff0c\u4e0b\u9762\u7684\u4ee3\u78bc\u5c55\u793a\u5982\u4f55\u5275\u5efa\u4e00\u500b\u52d5\u4f5c\u9078\u55ae\uff1a<\/p>\n
let actionSheet = ActionSheet(\n    title: Text(\"Choose an option\"),\n    message: Text(\"This is an action sheet!\"),\n    buttons: [\n        .default(Text(\"Option 1\")),\n        .default(Text(\"Option 2\")),\n        .cancel()\n    ]\n)<\/code><\/pre>\n
`ActionSheet` \u5141\u8a31\u958b\u767c\u8005\u5b9a\u7fa9\u591a\u500b\u6309\u9215\uff0c\u4e26\u6839\u64da\u7528\u6236\u7684\u9078\u64c7\u57f7\u884c\u4e0d\u540c\u64cd\u4f5c\u3002<\/p>\n
\u5275\u5efa\u9078\u64c7\u5668\u5c0d\u8a71\u6846<\/h2>\n
SwiftUI \u9084\u63d0\u4f9b\u4e86 `Picker`\uff0c\u7528\u4f86\u5275\u5efa\u4e00\u500b\u9078\u64c7\u5668\u5c0d\u8a71\u6846\u3002\u4ee5\u4e0b\u4ee3\u78bc\u5c55\u793a\u4e86\u5982\u4f55\u4f7f\u7528 `Picker`\uff1a<\/p>\n
@State private var selectedOption = 1\n\nlet picker = Picker(\"Choose an option\", selection: $selectedOption) {\n    Text(\"Option 1\").tag(1)\n    Text(\"Option 2\").tag(2)\n}<\/code><\/pre>\n
\u5728\u9019\u6bb5\u4ee3\u78bc\u4e2d\uff0c\u6211\u5011\u4f7f\u7528 `@State` \u5c6c\u6027\u4f86\u4fdd\u5b58\u9078\u64c7\u7684\u9078\u9805\u3002`Picker` \u6703\u6839\u64da\u7528\u6236\u7684\u9078\u64c7\u66f4\u65b0 `selectedOption` \u7684\u503c\u3002<\/p>\n
\u932f\u8aa4\u6392\u9664\u8207\u5e38\u898b\u554f\u984c<\/h2>\n
\u5728\u4f7f\u7528 SwiftUI \u5c0d\u8a71\u6846\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u554f\u984c\uff0c\u4f8b\u5982\uff1a<\/p>\n
– **\u5c0d\u8a71\u6846\u4e0d\u986f\u793a**\uff1a\u78ba\u4fdd\u5c0d\u8a71\u6846\u7684\u5448\u73fe\u908f\u8f2f\u6b63\u78ba\uff0c\u901a\u5e38\u9700\u8981\u5c07\u5c0d\u8a71\u6846\u8207\u67d0\u500b\u72c0\u614b\u8b8a\u91cf\u7d81\u5b9a\u3002
\n– **\u6309\u9215\u672a\u97ff\u61c9**\uff1a\u6aa2\u67e5\u6309\u9215\u7684\u52d5\u4f5c\u662f\u5426\u6b63\u78ba\u8a2d\u7f6e\uff0c\u4e26\u78ba\u4fdd UI \u66f4\u65b0\u80fd\u5920\u89f8\u767c\u3002<\/p>\n
\u5ef6\u4f38\u61c9\u7528\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n
\u5728\u5be6\u969b\u61c9\u7528\u4e2d\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u8003\u616e\u5c07\u5c0d\u8a71\u6846\u8207\u5176\u4ed6\u8996\u5716\u7d50\u5408\u4f7f\u7528\uff0c\u63d0\u4f9b\u66f4\u8c50\u5bcc\u7684\u7528\u6236\u4e92\u52d5\u9ad4\u9a57\u3002\u4f8b\u5982\uff0c\u7d50\u5408 `Form` \u548c `Alert`\uff0c\u53ef\u4ee5\u5728\u7528\u6236\u63d0\u4ea4\u8868\u55ae\u5f8c\u63d0\u793a\u6210\u529f\u6216\u932f\u8aa4\u4fe1\u606f\u3002<\/p>\n
\"SwiftUI<\/p>\n
Q&A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n
1. \u5982\u4f55\u5728 SwiftUI \u4e2d\u986f\u793a\u5c0d\u8a71\u6846\uff1f<\/h3>\n
\u4f7f\u7528 `@State` \u5c6c\u6027\u4f86\u63a7\u5236\u5c0d\u8a71\u6846\u7684\u986f\u793a\uff0c\u4e26\u4f7f\u7528 `alert` \u6216 `actionSheet` \u4fee\u98fe\u7b26\u4f86\u986f\u793a\u5c0d\u8a71\u6846\u3002<\/p>\n
2. SwiftUI \u7684\u5c0d\u8a71\u6846\u53ef\u4ee5\u81ea\u5b9a\u7fa9\u6a23\u5f0f\u55ce\uff1f<\/h3>\n
\u76ee\u524d SwiftUI \u63d0\u4f9b\u7684 `Alert` \u548c `ActionSheet` \u7684\u6a23\u5f0f\u8f03\u70ba\u56fa\u5b9a\uff0c\u4f46\u53ef\u4ee5\u901a\u904e\u5176\u4ed6\u8996\u5716\u7d44\u5408\u4f86\u9054\u5230\u66f4\u597d\u7684\u81ea\u5b9a\u7fa9\u6548\u679c\u3002<\/p>\n
3. \u5982\u4f55\u8655\u7406\u5c0d\u8a71\u6846\u7684\u591a\u500b\u6309\u9215\u4e8b\u4ef6\uff1f<\/h3>\n
\u5728 `ActionSheet` \u4e2d\uff0c\u53ef\u4ee5\u70ba\u6bcf\u500b\u6309\u9215\u6307\u5b9a\u4e0d\u540c\u7684\u64cd\u4f5c\uff0c\u4e26\u5728\u6309\u9215\u7684\u9589\u5305\u4e2d\u57f7\u884c\u76f8\u61c9\u7684\u908f\u8f2f\u3002<\/p>\n
—<\/p>\n","protected":false},"excerpt":{"rendered":"
\u672c\u6587\u5c07\u4ecb\u7d39SwiftUI\u4e2d\u7684\u5c0d\u8a71\u6846\u529f\u80fd\uff0c\u8a73\u7d30\u89e3\u91cb\u5982\u4f55\u4f7f\u7528SwiftUI\u4e2d\u7684\u5c0d\u8a71\u6846\uff0c\u4ee5\u53ca\u5982\u4f55\u4f7f\u7528\u5c0d\u8a71\u6846\u4f86\u5efa\u7acb\u66f4\u591a\u529f\u80fd\u3002<\/p>\n","protected":false},"author":1,"featured_media":7737,"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-7738","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\/SwiftUI-\u4e2d\u7684\u5c0d\u8a71\u6846_1676962576.996681.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-20O","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7738","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=7738"}],"version-history":[{"count":1,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7738\/revisions"}],"predecessor-version":[{"id":13097,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7738\/revisions\/13097"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/7737"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=7738"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=7738"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=7738"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}