{"id":7497,"date":"2025-05-30T14:19:45","date_gmt":"2025-06-05T06:54:45","guid":{"rendered":"https:\/\/badgameshow.com\/steven\/?p=7497"},"modified":"2025-06-05T14:19:45","modified_gmt":"2025-06-05T06:54:45","slug":"https-badgameshow-com-steven-418","status":"publish","type":"post","link":"https:\/\/badgameshow.com\/steven\/swift\/https-badgameshow-com-steven-418\/","title":{"rendered":"\ud83d\udcc82025 \u6700\u65b0 Swift \u6578\u5b78\u51fd\u6578\u61c9\u7528\u8207\u6700\u4f73\u5be6\u8e10"},"content":{"rendered":"<p><meta name=\"keywords\" content=\"swift, \u6578\u5b78\u51fd\u6578, \u61c9\u7528, \u6700\u65b0\u6700\u4f73\u5be6\u8e10\"><\/p>\n<h1>\ud83d\udcc82025 \u6700\u65b0 Swift \u6578\u5b78\u51fd\u6578\u61c9\u7528\u8207\u6700\u4f73\u5be6\u8e10<\/h1>\n<p>Swift \u662f\u4e00\u7a2e\u5f37\u5927\u7684\u7a0b\u5f0f\u8a9e\u8a00\uff0c\u63d0\u4f9b\u4e86\u8a31\u591a\u6578\u5b78\u51fd\u6578\uff0c\u8b93\u958b\u767c\u8005\u80fd\u5920\u8f15\u9b06\u8655\u7406\u6578\u5b78\u904b\u7b97\u3002\u5728\u9019\u7bc7\u6587\u7ae0\u4e2d\uff0c\u6211\u5011\u5c07\u6df1\u5165\u4ecb\u7d39 Swift \u4e2d\u7684\u5e38\u7528\u6578\u5b78\u51fd\u6578\uff0c\u4e26\u63d0\u4f9b\u5be6\u505a\u7bc4\u4f8b\u3001\u932f\u8aa4\u6392\u9664\u65b9\u6cd5\u53ca\u5ef6\u4f38\u61c9\u7528\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u66f4\u8f15\u9b06\u5730\u904b\u7528\u9019\u4e9b\u51fd\u6578\u3002<\/p>\n<h2>Swift \u4e2d\u7684\u6578\u5b78\u51fd\u6578\u6982\u89bd<\/h2>\n<p>Swift \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u5b78\u51fd\u6578\uff0c\u4ee5\u4e0b\u662f\u4e00\u4e9b\u6700\u5e38\u7528\u7684\u51fd\u6578\u53ca\u5176\u4f7f\u7528\u8aaa\u660e\uff1a<\/p>\n<ul>\n<li><strong>abs()<\/strong>\uff1a\u53d6\u5f97\u7d55\u5c0d\u503c\uff0c\u5e38\u7528\u65bc\u78ba\u4fdd\u6578\u503c\u975e\u8ca0\u3002<\/li>\n<li><strong>ceil()<\/strong>\uff1a\u53d6\u5f97\u6700\u63a5\u8fd1\u7684\u6574\u6578\uff0c\u4e14\u5927\u65bc\u7b49\u65bc\u8a72\u6578\uff0c\u9069\u7528\u65bc\u9700\u8981\u6574\u6578\u4e0a\u9650\u7684\u60c5\u5883\u3002<\/li>\n<li><strong>floor()<\/strong>\uff1a\u53d6\u5f97\u6700\u63a5\u8fd1\u7684\u6574\u6578\uff0c\u4e14\u5c0f\u65bc\u7b49\u65bc\u8a72\u6578\uff0c\u9069\u5408\u7528\u65bc\u9700\u8981\u6574\u6578\u4e0b\u9650\u7684\u5834\u5408\u3002<\/li>\n<li><strong>max()<\/strong>\uff1a\u53d6\u5f97\u591a\u500b\u6578\u503c\u4e2d\u7684\u6700\u5927\u503c\uff0c\u5e38\u898b\u65bc\u6bd4\u8f03\u6578\u64da\u3002<\/li>\n<li><strong>min()<\/strong>\uff1a\u53d6\u5f97\u591a\u500b\u6578\u503c\u4e2d\u7684\u6700\u5c0f\u503c\uff0c\u9069\u7528\u65bc\u7be9\u9078\u6700\u5c0f\u6578\u64da\u3002<\/li>\n<li><strong>pow()<\/strong>\uff1a\u8a08\u7b97\u6307\u5b9a\u6578\u7684\u6307\u5b9a\u6b21\u65b9\uff0c\u61c9\u7528\u65bc\u79d1\u5b78\u8a08\u7b97\u3002<\/li>\n<li><strong>sqrt()<\/strong>\uff1a\u8a08\u7b97\u6307\u5b9a\u6578\u7684\u5e73\u65b9\u6839\uff0c\u7d93\u5e38\u7528\u65bc\u6578\u5b78\u904b\u7b97\u4e2d\u3002<\/li>\n<li><strong>round()<\/strong>\uff1a\u5c07\u6578\u503c\u56db\u6368\u4e94\u5165\u81f3\u6700\u63a5\u8fd1\u7684\u6574\u6578\uff0c\u9069\u5408\u986f\u793a\u7d50\u679c\u6642\u3002<\/li>\n<\/ul>\n<h2>Swift \u6578\u5b78\u51fd\u6578\u5be6\u4f5c\u7bc4\u4f8b<\/h2>\n<p>\u4ee5\u4e0b\u662f\u4e00\u4e9b Swift \u6578\u5b78\u51fd\u6578\u7684\u5be6\u4f5c\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u60a8\u7406\u89e3\u5982\u4f55\u5728\u5be6\u969b\u958b\u767c\u4e2d\u904b\u7528\u5b83\u5011\uff1a<\/p>\n<h3>1. abs()<\/h3>\n<p>\u53d6\u5f97\u7d55\u5c0d\u503c\u7684\u793a\u4f8b\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let num1 = -5\nlet num2 = abs(num1)\nprint(num2) \/\/ \u8f38\u51fa: 5\n<\/code><\/pre>\n<h3>2. ceil()<\/h3>\n<p>\u53d6\u5f97\u6700\u63a5\u8fd1\u7684\u6574\u6578\uff0c\u4e14\u5927\u65bc\u7b49\u65bc\u8a72\u6578\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let num1 = 5.5\nlet num2 = ceil(num1)\nprint(num2) \/\/ \u8f38\u51fa: 6\n<\/code><\/pre>\n<h3>3. floor()<\/h3>\n<p>\u53d6\u5f97\u6700\u63a5\u8fd1\u7684\u6574\u6578\uff0c\u4e14\u5c0f\u65bc\u7b49\u65bc\u8a72\u6578\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let num1 = 5.5\nlet num2 = floor(num1)\nprint(num2) \/\/ \u8f38\u51fa: 5\n<\/code><\/pre>\n<h3>4. max()<\/h3>\n<p>\u6bd4\u8f03\u5169\u500b\u6578\u5b57\u4e26\u53d6\u5f97\u6700\u5927\u503c\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let num1 = 5\nlet num2 = 10\nlet num3 = max(num1, num2)\nprint(num3) \/\/ \u8f38\u51fa: 10\n<\/code><\/pre>\n<h3>5. min()<\/h3>\n<p>\u6bd4\u8f03\u5169\u500b\u6578\u5b57\u4e26\u53d6\u5f97\u6700\u5c0f\u503c\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let num1 = 5\nlet num2 = 10\nlet num3 = min(num1, num2)\nprint(num3) \/\/ \u8f38\u51fa: 5\n<\/code><\/pre>\n<h3>6. pow()<\/h3>\n<p>\u8a08\u7b97\u6307\u5b9a\u6578\u7684\u6307\u5b9a\u6b21\u65b9\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let num1 = 5\nlet num2 = pow(num1, 2)\nprint(num2) \/\/ \u8f38\u51fa: 25\n<\/code><\/pre>\n<h3>7. sqrt()<\/h3>\n<p>\u8a08\u7b97\u6578\u5b57\u7684\u5e73\u65b9\u6839\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let num1 = 25\nlet num2 = sqrt(num1)\nprint(num2) \/\/ \u8f38\u51fa: 5\n<\/code><\/pre>\n<h3>8. round()<\/h3>\n<p>\u5c07\u6578\u5b57\u56db\u6368\u4e94\u5165\u81f3\u6700\u8fd1\u7684\u6574\u6578\uff1a<\/p>\n<pre><code class=\"language-swift line-numbers\">let num1 = 5.5\nlet num2 = round(num1)\nprint(num2) \/\/ \u8f38\u51fa: 6\n<\/code><\/pre>\n<h2>\u932f\u8aa4\u6392\u9664\u8207\u6700\u4f73\u5be6\u8e10<\/h2>\n<p>\u5728\u4f7f\u7528\u9019\u4e9b\u6578\u5b78\u51fd\u6578\u6642\uff0c\u958b\u767c\u8005\u53ef\u80fd\u6703\u9047\u5230\u4e00\u4e9b\u5e38\u898b\u932f\u8aa4\uff0c\u4f8b\u5982\uff1a<\/p>\n<p>&#8211; **\u50b3\u5165 nil \u503c**\uff1a\u6240\u6709\u6578\u5b78\u51fd\u6578\u90fd\u7121\u6cd5\u8655\u7406 nil \u503c\uff0c\u8acb\u78ba\u4fdd\u5728\u4f7f\u7528\u524d\u6aa2\u67e5\u6578\u503c\u662f\u5426\u70ba nil\u3002<br \/>\n&#8211; **\u6578\u64da\u985e\u578b\u4e0d\u5339\u914d**\uff1a\u78ba\u8a8d\u50b3\u5165\u7684\u6578\u503c\u662f\u6b63\u78ba\u7684\u985e\u578b\uff0c\u7279\u5225\u662f\u6574\u6578\u8207\u6d6e\u9ede\u6578\u4e4b\u9593\u7684\u8f49\u63db\u3002<\/p>\n<p>\u6700\u4f73\u5be6\u8e10\u5305\u62ec\uff1a<\/p>\n<p>&#8211; \u4f7f\u7528\u9069\u7576\u7684\u932f\u8aa4\u8655\u7406\u4f86\u9632\u6b62\u904b\u884c\u6642\u932f\u8aa4\u3002<br \/>\n&#8211; \u8a18\u5f97\u5728\u5fc5\u8981\u6642\u4f7f\u7528\u985e\u578b\u8f49\u63db\uff0c\u4f8b\u5982\u5728\u4f7f\u7528 `pow()` \u51fd\u6578\u6642\uff0c\u78ba\u4fdd\u8f38\u5165\u90fd\u662f\u6d6e\u9ede\u6578\u3002<\/p>\n<h2>\u5ef6\u4f38\u61c9\u7528<\/h2>\n<p>\u9019\u4e9b\u6578\u5b78\u51fd\u6578\u4e0d\u50c5\u9650\u65bc\u7c21\u55ae\u8a08\u7b97\uff0c\u9084\u53ef\u4ee5\u7528\u65bc\u66f4\u8907\u96dc\u7684\u61c9\u7528\uff0c\u5982\u904a\u6232\u958b\u767c\u4e2d\u7684\u78b0\u649e\u6aa2\u6e2c\u3001\u6578\u64da\u5206\u6790\u4e2d\u7684\u7d71\u8a08\u8a08\u7b97\u7b49\u3002<\/p>\n<h2>\u7d50\u8ad6<\/h2>\n<p>Swift \u63d0\u4f9b\u4e86\u591a\u7a2e\u6578\u5b78\u51fd\u6578\uff0c\u8b93\u958b\u767c\u8005\u53ef\u4ee5\u8f15\u9b06\u9032\u884c\u5404\u7a2e\u6578\u5b78\u904b\u7b97\u3002\u672c\u6587\u4ecb\u7d39\u4e86\u9019\u4e9b\u51fd\u6578\u53ca\u5176\u5be6\u4f5c\u7bc4\u4f8b\uff0c\u5e6b\u52a9\u60a8\u5728\u958b\u767c\u4e2d\u66f4\u597d\u5730\u61c9\u7528\u5b83\u5011\u3002<\/p>\n<h2>Q&#038;A\uff08\u5e38\u898b\u554f\u984c\u89e3\u7b54\uff09<\/h2>\n<h3>Q1: Swift \u4e2d\u7684\u6578\u5b78\u51fd\u6578\u53ef\u4ee5\u7528\u65bc\u54ea\u4e9b\u5834\u666f\uff1f<\/h3>\n<p>A1: Swift \u7684\u6578\u5b78\u51fd\u6578\u53ef\u7528\u65bc\u904a\u6232\u958b\u767c\u3001\u6578\u64da\u5206\u6790\u3001\u5de5\u7a0b\u8a08\u7b97\u7b49\u591a\u7a2e\u5834\u666f\uff0c\u5e6b\u52a9\u958b\u767c\u8005\u5feb\u901f\u89e3\u6c7a\u6578\u5b78\u554f\u984c\u3002<\/p>\n<h3>Q2: \u5982\u4f55\u8655\u7406 Swift \u4e2d\u7684\u6578\u5b78\u904b\u7b97\u932f\u8aa4\uff1f<\/h3>\n<p>A2: \u5efa\u8b70\u5728\u904b\u884c\u6578\u5b78\u51fd\u6578\u524d\u6aa2\u67e5\u8f38\u5165\u503c\u7684\u6709\u6548\u6027\uff0c\u4e26\u4f7f\u7528\u932f\u8aa4\u8655\u7406\u4f86\u6355\u7372\u904b\u884c\u6642\u932f\u8aa4\u3002<\/p>\n<p><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/badgameshow.com\/steven\/wp-content\/uploads\/2023\/02\/\ud83d\udcc8Swift\u5e38\u7528\u6578\u5b78\u51fd\u6578\u61c9\u7528_1675476768.4104981.webp\" alt=\"\ud83d\udcc8Swift\u5e38\u7528\u6578\u5b78\u51fd\u6578\u61c9\u7528\" title=\"Swift \u6578\u5b78\u51fd\u6578, \u7d55\u5c0d\u503c, \u5e73\u65b9\u6839, \u6307\u6578, \u4e09\u89d2\u51fd\u6578\" width=\"1200\" height=\"628\"\/><br \/>\n&#8212;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u6587\u7ae0\u6458\u8981:\u672c\u6587\u5c07\u4ecb\u7d39Swift\u4e2d\u5e38\u7528\u7684\u6578\u5b78\u51fd\u6578\uff0c\u5305\u62ec\u7d55\u5c0d\u503c\u3001\u5e73\u65b9\u6839\u3001\u6307\u6578\u3001\u4e09\u89d2\u51fd\u6578\u7b49\uff0c\u4e26\u63d0\u4f9b\u7c21\u55ae\u7684\u7a0b\u5f0f\u78bc\u793a\u4f8b\uff0c\u8b93\u8b80\u8005\u80fd\u5920\u66f4\u6df1\u5165\u5730\u4e86\u89e3Swift\u4e2d\u7684\u6578\u5b78\u51fd\u6578\u61c9\u7528\u3002<\/p>\n","protected":false},"author":1,"featured_media":7494,"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-7497","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\udcc8Swift\u5e38\u7528\u6578\u5b78\u51fd\u6578\u61c9\u7528_1675476768.4104981.webp","jetpack-related-posts":[],"jetpack_shortlink":"https:\/\/wp.me\/pcFK27-1WV","jetpack_sharing_enabled":true,"_links":{"self":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7497","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=7497"}],"version-history":[{"count":2,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7497\/revisions"}],"predecessor-version":[{"id":13607,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/posts\/7497\/revisions\/13607"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media\/7494"}],"wp:attachment":[{"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/media?parent=7497"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/categories?post=7497"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/badgameshow.com\/steven\/wp-json\/wp\/v2\/tags?post=7497"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}