{"id":7228,"date":"2025-06-01T11:51:42","date_gmt":"2025-06-05T04:37:41","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/uncategorized\/https-badgameshow-com-steven-287\/"},"modified":"2025-06-05T11:51:42","modified_gmt":"2025-06-05T04:37:41","slug":"https-badgameshow-com-steven-287","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-287\/","title":{"rendered":"\ud83d\udca5 2025 \u6700\u65b0\u7248 Swift \u9663\u5217\u9ad8\u6548\u7387\u8655\u7406\u6280\u5de7"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, \u9ad8\u6548\u7387\u9663\u5217\u8655\u7406\u6280\u5de7, Swift \u9663\u5217, Swift \u51fd\u6578, Swift \u6548\u7387\"><\/p>\n<h2>Swift \u9663\u5217\u7684\u5f37\u5927\u529f\u80fd<\/h2>\n<p>Swift \u662f\u4e00\u7a2e\u975e\u5e38\u5f37\u5927\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u958b\u767c\u51fa\u9ad8\u6548\u7387\u7684\u61c9\u7528\u7a0b\u5f0f\u3002\u5728 Swift \u4e2d\uff0c\u9663\u5217\u8655\u7406\u6280\u5de7\u662f\u4e00\u9805\u95dc\u9375\u6280\u8853\uff0c\u53ef\u4ee5\u8b93\u958b\u767c\u8005\u66f4\u6709\u6548\u7387\u5730\u64cd\u4f5c\u9663\u5217\u8cc7\u6599\u3002\u672c\u6587\u5c07\u4ecb\u7d392025\u5e74\u6700\u65b0\u7684 Swift \u9663\u5217\u9ad8\u6548\u7387\u8655\u7406\u6280\u5de7\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u63d0\u5347\u958b\u767c\u6548\u7387\u3002<\/p>\n<h2>\u4f7f\u7528 map() \u65b9\u6cd5\u9032\u884c\u9663\u5217\u5143\u7d20\u64cd\u4f5c<\/h2>\n<p>\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 <code>map()<\/code> \u65b9\u6cd5\u5c0d\u9663\u5217\u4e2d\u7684\u6bcf\u500b\u5143\u7d20\u57f7\u884c\u64cd\u4f5c\u3002\u9019\u500b\u65b9\u6cd5\u6703\u8fd4\u56de\u4e00\u500b\u65b0\u7684\u9663\u5217\uff0c\u5305\u542b\u6240\u6709\u8f49\u63db\u5f8c\u7684\u5143\u7d20\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">let numbers = [1, 2, 3, 4, 5]\nlet squaredNumbers = numbers.map { <span class=\"katex math inline\">0 *<\/span>0 }\n\/\/ squaredNumbers \u73fe\u5728\u662f [1, 4, 9, 16, 25]\n<\/code><\/pre>\n<h2>\u4f7f\u7528 filter() \u65b9\u6cd5\u7be9\u9078\u9663\u5217\u5143\u7d20<\/h2>\n<p>\u82e5\u9700\u8981\u7be9\u9078\u9663\u5217\u4e2d\u7684\u7279\u5b9a\u5143\u7d20\uff0c\u53ef\u4ee5\u4f7f\u7528 <code>filter()<\/code> \u65b9\u6cd5\u3002\u9019\u500b\u65b9\u6cd5\u6703\u8fd4\u56de\u6eff\u8db3\u689d\u4ef6\u7684\u5143\u7d20\u7d44\u6210\u7684\u65b0\u9663\u5217\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">let numbers = [1, 2, 3, 4, 5]\nlet evenNumbers = numbers.filter { $0 % 2 == 0 }\n\/\/ evenNumbers \u73fe\u5728\u662f [2, 4]\n<\/code><\/pre>\n<h2>\u4f7f\u7528 reduce() \u65b9\u6cd5\u8a08\u7b97\u9663\u5217\u5143\u7d20<\/h2>\n<p>\u8981\u5c0d\u9663\u5217\u4e2d\u7684\u5143\u7d20\u9032\u884c\u8a08\u7b97\uff0c\u958b\u767c\u8005\u53ef\u4ee5\u4f7f\u7528 <code>reduce()<\/code> \u65b9\u6cd5\u3002\u9019\u500b\u65b9\u6cd5\u5c07\u9663\u5217\u4e2d\u7684\u6240\u6709\u5143\u7d20\u5408\u4f75\u70ba\u4e00\u500b\u55ae\u4e00\u503c\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">let numbers = [1, 2, 3, 4, 5]\nlet sum = numbers.reduce(0, +)\n\/\/ sum \u73fe\u5728\u662f 15\n<\/code><\/pre>\n<h2>\u4f7f\u7528 sorted() \u65b9\u6cd5\u9032\u884c\u9663\u5217\u6392\u5e8f<\/h2>\n<p>\u958b\u767c\u8005\u53ef\u4ee5\u5229\u7528 <code>sorted()<\/code> \u65b9\u6cd5\u5c0d\u9663\u5217\u4e2d\u7684\u5143\u7d20\u9032\u884c\u6392\u5e8f\uff0c\u751f\u6210\u4e00\u500b\u65b0\u7684\u6709\u5e8f\u9663\u5217\u3002<\/p>\n<pre><code class=\"language-swift line-numbers\">let numbers = [5, 4, 3, 2, 1]\nlet sortedNumbers = numbers.sorted()\n\/\/ sortedNumbers \u73fe\u5728\u662f [1, 2, 3, 4, 5]\n<\/code><\/pre>\n<h2>\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff08Q&#038;A\uff09<\/h2>\n<h3>Q1: \u5982\u4f55\u9078\u64c7\u5408\u9069\u7684\u9663\u5217\u8655\u7406\u65b9\u6cd5\uff1f<\/h3>\n<p>A1: \u9078\u64c7\u65b9\u6cd5\u53d6\u6c7a\u65bc\u9700\u6c42\u3002\u5982\u679c\u9700\u8981\u5c0d\u6bcf\u500b\u5143\u7d20\u9032\u884c\u8b8a\u63db\uff0c\u4f7f\u7528 <code>map()<\/code>\uff1b\u5982\u679c\u9700\u8981\u7be9\u9078\u5143\u7d20\uff0c\u4f7f\u7528 <code>filter()<\/code>\uff1b\u5982\u679c\u9700\u8981\u8a08\u7b97\u7e3d\u548c\u6216\u805a\u5408\u6578\u64da\uff0c\u4f7f\u7528 <code>reduce()<\/code>\uff1b\u82e5\u9700\u8981\u6392\u5e8f\uff0c\u5247\u4f7f\u7528 <code>sorted()<\/code>\u3002<\/p>\n<h3>Q2: Swift \u9663\u5217\u7684\u6027\u80fd\u5982\u4f55\u512a\u5316\uff1f<\/h3>\n<p>A2: \u4f7f\u7528\u503c\u985e\u578b\uff08\u5982 <code>let<\/code> \u8072\u660e\u7684\u9663\u5217\uff09\u53ef\u4ee5\u63d0\u9ad8\u6027\u80fd\uff0c\u907f\u514d\u4e0d\u5fc5\u8981\u7684\u8907\u88fd\u3002\u6b64\u5916\uff0c\u9078\u64c7\u5408\u9069\u7684\u8655\u7406\u65b9\u6cd5\u4e5f\u80fd\u63d0\u9ad8\u6548\u7387\u3002<\/p>\n<h3>Q3: \u5728 Swift \u4e2d\u53ef\u4ee5\u4f7f\u7528\u54ea\u4e9b\u5176\u4ed6\u96c6\u5408\u985e\u578b\uff1f<\/h3>\n<p>A3: \u9664\u4e86\u9663\u5217\u5916\uff0cSwift \u9084\u652f\u6301\u5b57\u5178\uff08<code>Dictionary<\/code>\uff09\u548c\u96c6\u5408\uff08<code>Set<\/code>\uff09\uff0c\u9019\u4e9b\u96c6\u5408\u985e\u578b\u5728\u4e0d\u540c\u5834\u666f\u4e0b\u90fd\u6709\u4e0d\u540c\u7684\u512a\u52e2\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/\ud83d\udca5Swift\u9ad8\u6548\u7387\u9663\u5217\u8655\u7406\u6280\u5de7_1675409377.213578.webp\" alt=\"Swift \u9663\u5217\u8655\u7406\u6280\u5de7\" title=\"Swift \u9663\u5217\u8655\u7406\u3001Swift \u9ad8\u6548\u7387\u3001Swift \u51fd\u6578\u3001Swift \u6280\u5de7\u3001Swift \u6548\u7387\" width=\"1200\" height=\"628\"\/><br \/>\n&#8220;`<br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981\uff1a\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2d\u7684\u9ad8\u6548\u7387\u9663\u5217\u8655\u7406\u6280\u5de7\uff0c\u5305\u62ecmap()\u3001filter()\u3001reduce()\u7b49\u51fd\u6578\uff0c\u8b93\u4f60\u5feb\u901f\u638c\u63e1Swift\u7684\u9663\u5217\u8655\u7406\u6280\u5de7\uff0c\u63d0\u5347\u7a0b\u5f0f\u958b\u767c\u6548\u7387\u3002<\/p>\n","protected":false},"author":1,"featured_media":7227,"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-7228","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\/\ud83d\udca5Swift\u9ad8\u6548\u7387\u9663\u5217\u8655\u7406\u6280\u5de7_1675409377.213578.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1SA","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7228","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=7228"}],"version-history":[{"count":0,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7228\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/7227"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=7228"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=7228"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=7228"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}