{"id":7304,"date":"2025-06-04T12:49:44","date_gmt":"2025-06-05T05:03:43","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7304"},"modified":"2025-06-05T12:49:44","modified_gmt":"2025-06-05T05:03:43","slug":"https-badgameshow-com-steven-324","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-324\/","title":{"rendered":"Swift \u65e5\u671f\u683c\u5f0f\u5316\u5b8c\u5168\u6307\u5357 \u2013 \u53d6\u5f97\u7576\u524d\u6642\u9593\u8207\u65e5\u671f\u5b57\u4e32\u8f49\u63db\u6280\u5de7 (2025 \u6700\u65b0\u7248) \ud83d\udd70\ufe0f"},"content":{"rendered":"<p>&#8220;`html<br \/>\n<meta name=\"keywords\" content=\"swift, \u65e5\u671f\u683c\u5f0f\u5316, \u7576\u524d\u6642\u9593, \u65e5\u671f\u5b57\u4e32\u8f49\u65e5\u671f\u7269\u4ef6, Swift 2025, Swift \u8a9e\u6cd5\"><\/p>\n<h2>Swift \u65e5\u671f\u683c\u5f0f\u5316\u5b8c\u5168\u6307\u5357<\/h2>\n<p>Swift \u662f\u4e00\u7a2e\u529f\u80fd\u5f37\u5927\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u4f7f\u958b\u767c\u8005\u80fd\u5feb\u901f\u958b\u767c\u51fa\u5404\u5f0f\u5404\u6a23\u7684\u61c9\u7528\u7a0b\u5f0f\u3002\u5728\u61c9\u7528\u7a0b\u5f0f\u958b\u767c\u4e2d\uff0c\u5c0d\u65e5\u671f\u7684\u64cd\u4f5c\u662f\u975e\u5e38\u5e38\u898b\u7684\u9700\u6c42\uff0c\u4f8b\u5982\u53d6\u5f97\u7576\u524d\u6642\u9593\uff0c\u6216\u5c07\u65e5\u671f\u5b57\u4e32\u8f49\u63db\u70ba\u65e5\u671f\u7269\u4ef6\u3002\u672c\u6587\u5c07\u4ecb\u7d39\u5982\u4f55\u4f7f\u7528 Swift \u4f86\u9032\u884c\u65e5\u671f\u683c\u5f0f\u5316\uff0c\u4e26\u63d0\u4f9b\u6700\u65b0\u7684\u8a9e\u6cd5\u53ca\u6700\u4f73\u5be6\u8e10\u3002<\/p>\n<h2>\u53d6\u5f97\u7576\u524d\u6642\u9593<\/h2>\n<p>\u5728 Swift \u4e2d\uff0c\u53d6\u5f97\u7576\u524d\u6642\u9593\u7684\u65b9\u6cd5\u975e\u5e38\u7c21\u55ae\u3002\u53ea\u9700\u4f7f\u7528 <strong>Date()<\/strong> \u4f86\u7372\u53d6\u7576\u524d\u7684\u65e5\u671f\u548c\u6642\u9593\uff0c\u4ee5\u4e0b\u662f\u793a\u7bc4\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let currentDate = Date()\nprint(\"\u7576\u524d\u6642\u9593\uff1a\\(currentDate)\") \/\/ \u8f38\u51fa\u7576\u524d\u6642\u9593\n<\/code><\/pre>\n<h2>\u65e5\u671f\u5b57\u4e32\u8f49\u65e5\u671f\u7269\u4ef6<\/h2>\n<p>\u82e5\u4f60\u6709\u4e00\u500b\u65e5\u671f\u5b57\u4e32\uff0c\u60f3\u5c07\u5b83\u8f49\u63db\u6210\u65e5\u671f\u7269\u4ef6\uff0c\u53ef\u4ee5\u4f7f\u7528 <strong>DateFormatter<\/strong> \u4f86\u5b8c\u6210\u3002\u4ee5\u4e0b\u662f\u793a\u7bc4\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let dateString = \"2025-06-01\"\nlet dateFormatter = DateFormatter()\ndateFormatter.dateFormat = \"yyyy-MM-dd\"\nif let date = dateFormatter.date(from: dateString) {\n    print(\"\u8f49\u63db\u5f8c\u7684\u65e5\u671f\u7269\u4ef6\uff1a\\(date)\")\n} else {\n    print(\"\u7121\u6cd5\u8f49\u63db\u5b57\u4e32\u70ba\u65e5\u671f\")\n}\n<\/code><\/pre>\n<h2>\u65e5\u671f\u7269\u4ef6\u8f49\u65e5\u671f\u5b57\u4e32<\/h2>\n<p>\u5982\u679c\u4f60\u60f3\u5c07\u4e00\u500b\u65e5\u671f\u7269\u4ef6\u8f49\u63db\u70ba\u65e5\u671f\u5b57\u4e32\uff0c\u4e5f\u53ef\u4ee5\u4f7f\u7528 <strong>DateFormatter<\/strong>\u3002\u4ee5\u4e0b\u662f\u793a\u7bc4\u7a0b\u5f0f\u78bc\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let date = Date()\nlet dateFormatter = DateFormatter()\ndateFormatter.dateFormat = \"yyyy-MM-dd\"\nlet dateString = dateFormatter.string(from: date)\nprint(\"\u8f49\u63db\u5f8c\u7684\u65e5\u671f\u5b57\u4e32\uff1a\\(dateString)\")\n<\/code><\/pre>\n<h2>\u932f\u8aa4\u6392\u9664<\/h2>\n<p>\u5728\u9032\u884c\u65e5\u671f\u8f49\u63db\u6642\uff0c\u53ef\u80fd\u6703\u9047\u5230\u4ee5\u4e0b\u5e7e\u500b\u5e38\u898b\u554f\u984c\uff1a<\/p>\n<ul>\n<li><strong>\u683c\u5f0f\u4e0d\u6b63\u78ba\uff1a<\/strong>\u78ba\u4fdd\u65e5\u671f\u5b57\u4e32\u7b26\u5408\u4f60\u8a2d\u5b9a\u7684\u683c\u5f0f\uff0c\u5426\u5247\u6703\u8fd4\u56de <code>nil<\/code>\u3002<\/li>\n<li><strong>\u6642\u5340\u554f\u984c\uff1a<\/strong>\u5982\u679c\u9700\u8981\u7279\u5b9a\u6642\u5340\u7684\u65e5\u671f\uff0c\u8acb\u8a2d\u7f6e <code>dateFormatter.timeZone<\/code>\u3002<\/li>\n<\/ul>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u65e5\u671f\u683c\u5f0f\u5316\u5728\u8a31\u591a\u61c9\u7528\u4e2d\u90fd\u975e\u5e38\u91cd\u8981\uff0c\u4f8b\u5982\uff1a<\/p>\n<ul>\n<li>\u986f\u793a\u7528\u6236\u7684\u8a3b\u518a\u65e5\u671f<\/li>\n<li>\u65e5\u66c6\u4e8b\u4ef6\u7684\u7ba1\u7406\u8207\u986f\u793a<\/li>\n<li>\u5831\u544a\u751f\u6210\u4e2d\u7684\u6642\u9593\u6233\u8a18<\/li>\n<\/ul>\n<h2>\u7e3d\u7d50<\/h2>\n<p>\u672c\u6587\u4ecb\u7d39\u4e86\u5982\u4f55\u4f7f\u7528 Swift \u4f86\u9032\u884c\u65e5\u671f\u683c\u5f0f\u5316\uff0c\u5305\u62ec\u53d6\u5f97\u7576\u524d\u6642\u9593\u3001\u5c07\u65e5\u671f\u5b57\u4e32\u8f49\u63db\u6210\u65e5\u671f\u7269\u4ef6\u4ee5\u53ca\u65e5\u671f\u7269\u4ef6\u8f49\u63db\u6210\u5b57\u4e32\u7684\u6280\u8853\u3002\u9019\u4e9b\u6280\u8853\u5728\u958b\u767c\u61c9\u7528\u7a0b\u5f0f\u6642\u975e\u5e38\u5be6\u7528\uff0c\u80fd\u5920\u5e6b\u52a9\u958b\u767c\u8005\u6709\u6548\u7ba1\u7406\u6642\u9593\u76f8\u95dc\u7684\u6578\u64da\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q: Swift \u4e2d\u5982\u4f55\u8655\u7406\u4e0d\u540c\u683c\u5f0f\u7684\u65e5\u671f\u5b57\u4e32\uff1f<\/h3>\n<p>A: \u53ef\u4ee5\u4f7f\u7528 <strong>DateFormatter<\/strong> \u8a2d\u5b9a\u4e0d\u540c\u7684 <code>dateFormat<\/code>\uff0c\u4f8b\u5982 &#8220;MM-dd-yyyy&#8221; \u6216 &#8220;dd\/MM\/yyyy&#8221; \u4f86\u8655\u7406\u4e0d\u540c\u683c\u5f0f\u7684\u5b57\u4e32\u3002<\/p>\n<h3>Q: \u5982\u4f55\u5c07\u65e5\u671f\u7269\u4ef6\u8f49\u63db\u70ba\u7279\u5b9a\u6642\u5340\u7684\u5b57\u4e32\uff1f<\/h3>\n<p>A: \u8a2d\u7f6e <code>dateFormatter.timeZone<\/code> \u70ba\u6240\u9700\u7684\u6642\u5340\uff0c\u7136\u5f8c\u4f7f\u7528 <code>string(from:)<\/code> \u65b9\u6cd5\u8f49\u63db\u65e5\u671f\u7269\u4ef6\u3002<\/p>\n<h3>Q: \u70ba\u4ec0\u9ebc\u6211\u7684\u65e5\u671f\u8f49\u63db\u6703\u8fd4\u56de nil\uff1f<\/h3>\n<p>A: \u9019\u901a\u5e38\u662f\u56e0\u70ba\u65e5\u671f\u5b57\u4e32\u4e0d\u7b26\u5408\u6307\u5b9a\u7684\u65e5\u671f\u683c\u5f0f\uff0c\u8acb\u6aa2\u67e5\u5b57\u4e32\u683c\u5f0f\u662f\u5426\u6b63\u78ba\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/Swift-\u65e5\u671f\u683c\u5f0f\u5316-\u2013-\u53d6\u5f97\u7576\u524d\u6642\u9593\u3001\u65e5\u671f\u5b57\u4e32\u8f49\u65e5\u671f\u7269\u4ef6-\ud83d\udd70\ufe0f_1675410421.873503.webp\" alt=\"Swift \u65e5\u671f\u683c\u5f0f\u5316 \u2013 \u53d6\u5f97\u7576\u524d\u6642\u9593\u3001\u65e5\u671f\u5b57\u4e32\u8f49\u65e5\u671f\u7269\u4ef6 \ud83d\udd70\ufe0f\" title=\"Swift \u65e5\u671f\u683c\u5f0f\u5316\u3001\u53d6\u5f97\u7576\u524d\u6642\u9593\u3001\u65e5\u671f\u5b57\u4e32\u8f49\u63db\u65e5\u671f\u7269\u4ef6\u3001Swift \u65e5\u671f\u683c\u5f0f\u3001Swift \u65e5\u671f\u8655\u7406\u3001Swift \u65e5\u671f\u51fd\u6578\" 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\u65e5\u671f\u683c\u5f0f\u5316\uff0c\u5305\u62ec\u53d6\u5f97\u7576\u524d\u6642\u9593\u3001\u65e5\u671f\u5b57\u4e32\u8f49\u63db\u65e5\u671f\u7269\u4ef6\u7b49\u529f\u80fd\uff0c\u8b93\u4f60\u53ef\u4ee5\u66f4\u8f15\u9b06\u5730\u4f7f\u7528Swift\u4f86\u64cd\u4f5c\u65e5\u671f\u683c\u5f0f\u5316\u3002<\/p>\n","protected":false},"author":1,"featured_media":7303,"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-7304","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\/Swift-\u65e5\u671f\u683c\u5f0f\u5316-\u2013-\u53d6\u5f97\u7576\u524d\u6642\u9593\u3001\u65e5\u671f\u5b57\u4e32\u8f49\u65e5\u671f\u7269\u4ef6-\ud83d\udd70\ufe0f_1675410421.873503.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1TO","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7304","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=7304"}],"version-history":[{"count":0,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7304\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/7303"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=7304"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=7304"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=7304"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}